Jump to content

Afforestation

From Wikipedia, the free encyclopedia
This article is about the establishment of a forest in an area where there was no forest before. For natural or intentional restocking of former forests and woodlands, see reforestation. For reforestation and afforestation together, see Forest management.

An afforestation project in Rand Wood, Lincolnshire, England (this patch was open ground before)

Afforestation is the establishment of a forest or stand of trees in an area where there was no recent tree cover.[1] There are three types of afforestation: Natural regeneration, agroforestry and tree plantations.[2] Afforestation has many benefits. In the context of climate change, afforestation can be helpful for climate change mitigation through the route of carbon sequestration. Afforestation can also improve the local climate through increased rainfall and by being a barrier against high winds. The additional trees can also prevent or reduce topsoil erosion (from water and wind), floods and landslides. Finally, additional trees can be a habitat for wildlife, and provide employment and wood products.[2]

In comparison, reforestation means re-establishing forest that have either been cut down or lost due to natural causes, such as fire, storm, etc. Nowadays, the boundaries between afforestation and reforestation projects can be blurred as it may not be so clear what was there before, at what point in time.

An essential aspect of successful afforestation efforts lies in the careful selection of tree species that are well-suited to the local climate and soil conditions. By choosing appropriate species, afforested areas can better withstand the impacts of climate change.[3]

Earth offers enough room to plant an additional 0.9 billion ha of tree canopy cover.[4] Planting and protecting them would sequester 205 billion tons of carbon[4] which is about 20 years of current global carbon emissions.[5] This level of sequestration would represent about 25% of the atmosphere's current carbon pool.[4]

Australia, Canada, China, India, Israel, United States and Europe have afforestation programs to increase carbon dioxide removal in forests and in some cases to reduce desertification. However, afforestation of grasslands and savanna areas can create problems of their own.[6] Carbon sequestration estimates in those areas often do not include the full amount of carbon reductions in soils and slowing tree growth over time. Also, afforestation can negatively affect biodiversity through increasing fragmentation and edge effects for the habitat remaining outside the planted area.

Definition

[edit]

The term afforestation means establishing new forest on lands that were not forest before (e.g. abandoned agriculture).[1] The same definition in other words states that afforestation is "conversion to forest of land that historically has not contained forests".[7]: 1794 

In comparison, reforestation means the "conversion to forest of land that has previously contained forests but that has been converted to some other use".[7]: 1812 

Types

[edit]

There are three types of afforestation:[2]

  1. Natural regeneration (where native trees are planted as seeds; this creates new ecosystems and increases carbon sequestration).
  2. Agroforestry (this is essentially an agricultural activity carried out in order to grow harvestable crops such as fruits and nuts).
  3. Tree plantations (carried out in order to produce wood and wood-pulp products; this can be seen as an alternative to cutting down naturally-occurring forests).

However, the term afforestation can also "imply the intentional conversion of native non-forest ecosystems to exotic tree cover and violate biodiversity safeguards".[8]

Procedure

[edit]

The process of afforestation begins with site selection. Several environmental factors of the site must be analyzed, including climate, soil, vegetation, and human activity.[9] These factors will determine the quality of the site, what species of trees should be planted, and what planting method should be used.[9]

After the forest site has been assessed, the area must be prepared for planting. Preparation can involve a variety of mechanical or chemical methods, such as chopping, mounding, bedding, herbicides, and prescribed burning.[10] Once the site is prepared, planting can take place. One method for planting is direct seeding, which involves sowing seeds directly into the forest floor.[11] Another is seedling planting, which is similar to direct seeding except that seedlings already have an established root system.[12] Afforestation by cutting is an option for tree species that can reproduce asexually, where a piece of a tree stem, branch, root, or leaves can be planted onto the forest floor and sprout successfully.[13] Sometimes special tools, such as a tree planting bar, are used to make planting of trees easier and faster.[14]

An essential aspect of successful afforestation efforts lies in the careful selection of tree species that are well-suited to the local climate and soil conditions. By choosing appropriate species, afforested areas can better withstand the impacts of climate change.[15][3]

Benefits

[edit]

There are several benefits from afforestation such as carbon sequestration, increasing rainfall, prevention of topsoil erosion (from water and wind), flood and landslide mitigation, barriers against high winds, shelter for wildlife, employment and alternative sources of wood products.[2]

Afforestation projects create employment opportunities, particularly in rural areas, thus promoting sustainable livelihoods. They can create many jobs in various forest-related activities.[16]

Climate change mitigation

[edit]
This section is an excerpt from Carbon sequestration § Forestry.[edit]
Proportion of carbon stock in forest carbon pools, 2020[17]

Forests are an important part of the global carbon cycle because trees and plants absorb carbon dioxide through photosynthesis. Therefore, they play an important role in climate change mitigation.[18]: 37  By removing the greenhouse gas carbon dioxide from the air, forests function as terrestrial carbon sinks, meaning they store large amounts of carbon in the form of biomass, encompassing roots, stems, branches, and leaves. Throughout their lifespan, trees continue to sequester carbon, storing atmospheric CO2 long-term.[19] Sustainable forest management, afforestation, reforestation are therefore important contributions to climate change mitigation.

An important consideration in such efforts is that forests can turn from sinks to carbon sources.[20][21][22] In 2019 forests took up a third less carbon than they did in the 1990s, due to higher temperatures, droughts and deforestation. The typical tropical forest may become a carbon source by the 2060s.[23]

Researchers have found that, in terms of environmental services, it is better to avoid deforestation than to allow for deforestation to subsequently reforest, as the former leads to irreversible effects in terms of biodiversity loss and soil degradation.[24] Furthermore, the probability that legacy carbon will be released from soil is higher in younger boreal forest.[25] Global greenhouse gas emissions caused by damage to tropical rainforests may have been substantially underestimated until around 2019.[26] Additionally, the effects of afforestation and reforestation will be farther in the future than keeping existing forests intact.[27] It takes much longer − several decades − for the benefits for global warming to manifest to the same carbon sequestration benefits from mature trees in tropical forests and hence from limiting deforestation.[28] Therefore, scientists consider "the protection and recovery of carbon-rich and long-lived ecosystems, especially natural forests" to be "the major climate solution".[29]

The planting of trees on marginal crop and pasture lands helps to incorporate carbon from atmospheric CO
2 into biomass.[30][31] For this carbon sequestration process to succeed the carbon must not return to the atmosphere from biomass burning or rotting when the trees die.[32] To this end, land allotted to the trees must not be converted to other uses. Alternatively, the wood from them must itself be sequestered, e.g., via biochar, bioenergy with carbon capture and storage, landfill or stored by use in construction.

Earth offers enough room to plant an additional 0.9 billion ha of tree canopy cover.[33] Planting and protecting these trees would sequester 205 billion tons of carbon.[33] To put this number into perspective, this is about 20 years of current global carbon emissions (as of 2019) .[34] This level of sequestration would represent about 25% of the atmosphere's carbon pool in 2019.[33]

Life expectancy of forests varies throughout the world, influenced by tree species, site conditions, and natural disturbance patterns. In some forests, carbon may be stored for centuries, while in other forests, carbon is released with frequent stand replacing fires. Forests that are harvested prior to stand replacing events allow for the retention of carbon in manufactured forest products such as lumber.[35] However, only a portion of the carbon removed from logged forests ends up as durable goods and buildings. The remainder ends up as sawmill by-products such as pulp, paper, and pallets.[36] If all new construction globally utilized 90% wood products, largely via adoption of mass timber in low rise construction, this could sequester 700 million net tons of carbon per year.[37][38] This is in addition to the elimination of carbon emissions from the displaced construction material such as steel or concrete, which are carbon-intense to produce.

A meta-analysis found that mixed species plantations would increase carbon storage alongside other benefits of diversifying planted forests.[39]

Although a bamboo forest stores less total carbon than a mature forest of trees, a bamboo plantation sequesters carbon at a much faster rate than a mature forest or a tree plantation. Therefore, the farming of bamboo timber may have significant carbon sequestration potential.[40]

The Food and Agriculture Organization (FAO) reported that: "The total carbon stock in forests decreased from 668 gigatonnes in 1990 to 662 gigatonnes in 2020".[17]: 11  In Canada's boreal forests as much as 80% of the total carbon is stored in the soils as dead organic matter.[41]

The IPCC Sixth Assessment Report says: "Secondary forest regrowth and restoration of degraded forests and non-forest ecosystems can play a large role in carbon sequestration (high confidence) with high resilience to disturbances and additional benefits such as enhanced biodiversity."[42][43]

Impacts on temperature are affected by the location of the forest. For example, reforestation in boreal or subarctic regions has less impact on climate. This is because it substitutes a high-albedo, snow-dominated region with a lower-albedo forest canopy. By contrast, tropical reforestation projects lead to a positive change such as the formation of clouds. These clouds then reflect the sunlight, lowering temperatures.[44]: 1457 

Planting trees in tropical climates with wet seasons has another advantage. In such a setting, trees grow more quickly (fixing more carbon) because they can grow year-round. Trees in tropical climates have, on average, larger, brighter, and more abundant leaves than non-tropical climates. A study of the girth of 70,000 trees across Africa has shown that tropical forests fix more carbon dioxide pollution than previously realized. The research suggested almost one-fifth of fossil fuel emissions are absorbed by forests across Africa, Amazonia and Asia. Simon Lewis stated, "Tropical forest trees are absorbing about 18% of the carbon dioxide added to the atmosphere each year from burning fossil fuels, substantially buffering the rate of change."[45]

Environmental benefits

[edit]

Afforestation provides other environmental benefits, including increasing the soil quality and its organic carbon levels, reducing the risk of erosion and desertification.[46] The planting of trees in urban areas is also able to reduce air pollution via the trees' absorption and filtration of pollutants, including carbon monoxide, sulfur dioxide, and ozone, in addition to CO2.[47]

Afforestation protects the biodiversity of plants and animals which allows the sustenance of ecosystems that provide clean air, soil fertilization, etc.[48] Forests support biodiversity conservation, providing habitats for about 80% of the world's biodiversity and contributing to ecosystem restoration and resilience.[15] Water management can be improved afforestation, as trees regulate hydrological cycles, reduce soil erosion, and prevent water runoff. Their capacity to capture and store water helps in mitigating floods and droughts.[15]

Forests act as natural air filters, absorbing pollutants and improving air quality. Urban forestation projects have been successful in reducing respiratory illnesses and enhancing overall air quality in cities.[49][50][3] Trees provide shade and cooling effects. By shading and evaporation, forests can lower local temperatures, offering a more comfortable environment in urban areas and reducing the impact of extreme heat.[3][50]

Criticism

[edit]
See also: Reforestation § Limitations

Afforestation in grasslands and savanna

[edit]

Tree-planting campaigns are criticised for sometimes targeting areas where forests would not naturally occur, such as grassland and savanna biomes.[6][51][52] Carbon sequestration forecasts of afforestation programmes often insufficiently consider possible carbon reductions in soils as well as slowing tree growth over time.[53]

Impact on biodiversity

[edit]

Afforestation can negatively affect biodiversity through increasing fragmentation and edge effects for the habitat remaining outside the planted area. New forest plantations can introduce generalist predators that would otherwise not be found in open habitat into the covered area, which could detrimentally increase predation rates on the native species of the area. A study by scientists at the British Trust for Ornithology into the decline of British populations of Eurasian curlew found that afforestation had impacted curlew populations through fragmentation of their naturally open grassland habitats and increases in generalist predators.[54]

Surface albedo

[edit]

Questions have also been raised in the scientific community regarding how global afforestation could affect the surface albedo of Earth. The canopy cover of mature trees could make the surface albedo darker, which causes more heat to be absorbed, potentially raising the temperature of the planet. This is particularly relevant in parts of the world with high levels of snow cover, due to the more significant difference in albedo between highly reflective white snow and more darker forest cover which absorbs more solar radiation.[55][56]

Examples

[edit]

Australia

[edit]

In Adelaide, South Australia (a city of 1.3 million as of June 2016), Premier Mike Rann (2002 to 2011) launched an urban forest initiative in 2003 to plant 3 million native trees and shrubs by 2014 on 300 project sites across the metro area.[57] Thousands of Adelaide citizens participated in community planting days on sites including parks, reserves, transport corridors, schools, water courses and coastline. Only native trees were planted to ensure genetic integrity. Rann said the project aimed to beautify and cool the city and make it more livable, improve air and water quality, and reduce Adelaide's greenhouse gas emissions by 600,000 tonnes of CO2 a year.[58]

Canada

[edit]

In 2003, the government of Canada created a four-year project called the Forest 2020 Plantation Development and Assessment Initiative, which involved planting 6000 ha of fast-growing forests on non-forested lands countrywide. These plantations were used to analyze how afforestation can help to increase carbon sequestration and mitigate greenhouse gas (GHG) emissions while also considering the economic and investment attractiveness of afforestation. The results of the initiative showed that although there is not enough available land in Canada to completely offset the country's GHG emissions, afforestation can be useful mitigation technique for meeting GHG emission goals, especially until permanent, more advanced carbon storage technology becomes available.[59]

On 14 December 2020, Canada's Minister of Natural Resources Seamus O'Regan announced the federal government's investment of $3.16 billion to plant two billion trees over the next 10 years. This plan aims to reduce greenhouse gas emissions by an estimated 12 megatonnes by 2050.[60][61]

China

[edit]
Strips of forest are planted along hundreds of kilometers of the Yangtze levees in Hubei province[62]

Doubling of forest coverage between 1980 and 2021

China had the highest afforestation rate of any country or region in the world, with 4.77 million hectares (47,000 square kilometers) of afforestation in 2008.[63] According to the 2021 government work report, forest coverage will reach 24 percent based on the main targets and tasks for the 14th Five-Year Plan period.[64]

Tree-planting laws and school-children

A law in China from 1981 requires that every school student over the age of 11 plants at least one tree per year.[65]

Other

From 2011 to 2016, the city Dongying in Shandong province forested over 13,800 hectares of saline soil through the Shandong Ecological Afforestation Project, which was launched with support from the World Bank.[66] In 2017, the Saihanba Afforestation Community won the UN Champions of the Earth Award in the Inspiration and Action category for "transforming degraded land into a lush paradise".[67]

The successful afforestation of the Loess Plateau involved collaborative efforts by international and domestic professionals alongside villagers. Through this initiative, millions of villagers across four of China's poorest provinces were able to improve farming practices and increase incomes and employment, alleviating poverty.[68] In addition, the careful selection of trees ensured a healthy, self-sustainable ecosystem between tree and soil which facilitated a net carbon sink.[69] The Loess Plateau, although successful, was costly, reaching almost US$500 million.[68]

This contrasts with more recent initiatives where the results have not been as favorable. In an attempt to make afforestation both low-cost and less time-consuming, China shifted towards monoculture of mostly red pine trees. However, this did not adequately take into consideration environmental structure and led to increased soil erosion, desertification, sand/dust storms and short-lived trees.[69] This has reduced China's environmental sustainability index (ESI)[70] to one of the lowest in the world.[71]

Regarding the effects of afforestation on long-term carbon stocks and carbon sequestration these decrease when trees are less than 5 years old and increase quickly thereafter.[72] This means trees from monoculture planting that do not survive never reach full potential for carbon sequestration to offset China's carbon output. Overall, there is a possibility for afforestation to balance carbon levels and aid carbon neutrality, but several challenges still remain which hinder an all encompassing effort.[73]

The Chinese government requires mining companies to restore the environment around exhausted mines by refilling excavated pits and planting crops or trees.[74]: 53  Many mining companies use these recovered mines for ecotourism business.[74]: 54–55 

European Union

[edit]

Europe deforested more than half of its forested areas over the last 6000 years.[75] The European Union (EU) has paid farmers for afforestation since 1990, offering grants to turn farmland into forest and payments for the management of forest.[76] As part of the Green Deal,[77] the EU program "3 Billion Tree Planting Pledge by 2030"[78] provides direction on afforestation of previous farmland in addition to reforestation.  

According to Food and Agriculture Organization statistics, Spain had the third fastest afforestation rate in Europe in the 1990-2005 period, after Iceland and Ireland. In those years, a total of 44,360 square kilometers were afforested, and the total forest cover rose from 13.5 to 17.9 million hectares. In 1990, forests covered 26.6% of the Spanish territory. As of 2007, that figure had risen to 36.6%. Spain today has the fifth largest forest area in the European Union.[79]

India

[edit]
See also: Forestry in India
Afforestation in South India

As of 2023 the total forest and tree cover in India was 22%.[80] The forests of India are grouped into 5 major categories and 16 types based on biophysical criteria. 38% of the forest is categorized as subtropical dry deciduous and 30% as tropical moist deciduous and other smaller groups.

In 2016 the Indian government passed the CAMPA (Compensatory Afforestation Fund Management and Planning Authority) law, allowing about 40 thousand crores rupees (almost $6 Billion) to go to Indian states for planting trees. The funds were to be used for treatment of catchment areas, assisted natural generation, forest management, wildlife protection and management, relocation of villages from protected areas, management of human-wildlife conflicts, training and awareness generation, supply of wood saving devices and allied activities. Increasing the tree cover would also help in creating additional carbon sinks to meet the nation's Intended Nationally Determined Contribution (INDC) of 2.5 to 3 billion tonnes of carbon dioxide equivalent through additional forest and tree cover by 2030 - part of India's efforts to combat climate change.

In 2016 the Maharashtra government planted almost 20,000,000 saplings and pledged to plant another 30,000,000 the following year. In 2019, 220 million trees were planted in a single day in the Indian state of Uttar Pradesh.[81][82]

Fourth year of a genetically modified forest in Iran, planted by Aras GED through commercial afforestation

Japan

[edit]
This section is an excerpt from Afforestation in Japan.[edit]
The Japanese temperate rainforest is well sustained and maintains a high biodiversity. One method that has been utilized in maintaining the health of forests in Japan has been afforestation. The Japanese government and private businesses have set up multiple projects to plant native tree species in open areas scattered throughout the country. This practice has resulted in shifts in forest structure and a healthy temperate rainforest that maintains a high biodiversity.

Israel

[edit]
Main article: Jewish National Fund § Afforestation

With wood production as a main objective, monocultures of Aleppo pine were vigorously planted between 1948 and the 1970s. Following a massive collapse of this species in the 1990s, due to attacks by the insect pine blast scale, the Aleppo pine was gradually replaced by Pinus brutia.[83] Since the 1990s there has been a trend towards more ecological approaches planting mixed forests combining pines with broadleaf Mediterranean species e.g. oak, pistachio, carob, olive, arbutus and buckthorn.[84] About 250 million trees have been planted through the JNF across Israel since 1990. Tree coverage increased from 2% in 1948 to over 8% at present.[85]

United Kingdom

[edit]

In January 2013, the UK government set a target of 12% woodland cover in England by 2060, up from the then 10%.[86] In Wales the National Assembly for Wales has set a target of 19% woodland cover, up from 15%. Government-backed initiatives such as the Woodland Carbon Code are intended to support this objective by encouraging corporations and landowners to create new woodland to offset their carbon emissions.

Scotland

[edit]

Charitable groups such as Trees for Life (Scotland) contribute to afforestation and reforestation efforts in the UK.

This section is an excerpt from Afforestation in Scotland.[edit]
Afforestation efforts in Scotland have provided an increase in woodland expansion. By the 20th century mark, Scotland had diminished woodland coverage to 5% of Scotland's land area.[87] However, by the early 21st century, afforestation efforts have increased woodland coverage to 17%. [88] The Scottish government released their Draft Climate Change Plan in January 2017. The 2017 draft plan has increased the targeted woodland coverage to 21% by 2032 and increases the afforestation rate to 15,000 hectares per year. [89]

United States

[edit]

In the 1800s people moving westward in the US encountered the Great Plains – land with fertile soil, a growing population and a demand for timber but with few trees to supply it. So tree planting was encouraged along homesteads. Arbor Day was founded in 1872 by Julius Sterling Morton in Nebraska City.[90] By the 1930s the Dust Bowl environmental disaster signified a reason for adding significant new tree cover. Public works programs under the New Deal saw the planting of 18,000 miles of windbreaks stretching from North Dakota to Texas to fight soil erosion (see Great Plains Shelterbelt).[91]

See also

[edit]
  • Buffer strip – Land use and runoff management technique
  • Forestry – Science and craft of managing woodlands
  • Silviculture – Practice of controlling forests for timber production
  • Windbreak – Rows of trees or shrubs planted to provide shelter from the wind

References

[edit]
  1. ^ a b Terms and definitions – FRA 2020 (PDF). Rome: FAO. 2018. Archived (PDF) from the original on 9 August 2019.
  2. ^ a b c d Lark, Rachel (2 October 2023). "The Importance of Afforestation". Environment Co. Archived from the original on 4 January 2024. Retrieved 4 January 2024.
  3. ^ a b c d Windisch, Michael G.; Davin, Edouard L.; Seneviratne, Sonia I. (October 2021). "Prioritizing forestation based on biogeochemical and local biogeophysical impacts". Nature Climate Change. 11 (10): 867–871. Bibcode:2021NatCC..11..867W. doi:10.1038/s41558-021-01161-z. S2CID 237947801. ProQuest 2578272675.
  4. ^ a b c Bastin, Jean-Francois; Finegold, Yelena; Garcia, Claude; Mollicone, Danilo; Rezende, Marcelo; Routh, Devin; Zohner, Constantin M.; Crowther, Thomas W. (5 July 2019). "The global tree restoration potential". Science. 365 (6448): 76–79. Bibcode:2019Sci...365...76B. doi:10.1126/science.aax0848. ISSN 0036-8075. PMID 31273120. Archived from the original on 3 January 2020. Retrieved 4 January 2024.
  5. ^ Tutton, Mark (4 July 2019). "Restoring forests could capture two-thirds of the carbon humans have added to the atmosphere". CNN. Archived from the original on 23 March 2020. Retrieved 15 July 2024.
  6. ^ a b Dasgupta, Shreya (1 June 2021). "Many Tree-Planting Campaigns Are Based on Flawed Science". The Wire Science. Archived from the original on 12 June 2021. Retrieved 12 June 2021.
  7. ^ a b IPCC, 2022: Annex I: Glossary Archived 13 March 2023 at the Wayback Machine [van Diemen, R., J.B.R. Matthews, V. Möller, J.S. Fuglestvedt, V. Masson-Delmotte, C.  Méndez, A. Reisinger, S. Semenov (eds)]. In IPCC, 2022: Climate Change 2022: Mitigation of Climate Change. Contribution of Working Group III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change Archived 2 August 2022 at the Wayback Machine [P.R. Shukla, J. Skea, R. Slade, A. Al Khourdajie, R. van Diemen, D. McCollum, M. Pathak, S. Some, P. Vyas, R. Fradera, M. Belkacemi, A. Hasija, G. Lisboa, S. Luz, J. Malley, (eds.)]. Cambridge University Press, Cambridge, UK and New York, NY, USA. doi: 10.1017/9781009157926.020
  8. ^ Zhang, Xianghua; Busch, Jonah; Huang, Yingli; Fleskens, Luuk; Qin, Huiyan; Qiao, Zhenhua (2023). "Cost of mitigating climate change through reforestation in China". Frontiers in Forests and Global Change. 6. Bibcode:2023FrFGC...629216Z. doi:10.3389/ffgc.2023.1229216. ISSN 2624-893X.
  9. ^ a b Duan, Jie; Abduwali, Dilnur (10 March 2021), Cristina Gonçalves, Ana (ed.), "Basic Theory and Methods of Afforestation", Silviculture, IntechOpen, doi:10.5772/intechopen.96164, ISBN 978-1-83968-448-7, archived from the original on 16 April 2021, retrieved 25 March 2021
  10. ^ Knapp, Benjamin O.; Wang, G. Geoff; Walker, Joan L.; Cohen, Susan (1 May 2006). "Effects of site preparation treatments on early growth and survival of planted longleaf pine (Pinus palustris Mill.) seedlings in North Carolina". Forest Ecology and Management. 226 (1): 122–128. Bibcode:2006ForEM.226..122K. doi:10.1016/j.foreco.2006.01.029. ISSN 0378-1127.
  11. ^ Grossnickle, Steven C.; Ivetić, Vladan (30 December 2017). "Direct Seeding in Reforestation – A Field Performance Review". Reforesta (4): 94–142. doi:10.21750/REFOR.4.07.46. ISSN 2466-4367. Archived from the original on 5 March 2021. Retrieved 26 March 2021.
  12. ^ Dey, Daniel C.; Jacobs, Douglass; McNabb, Ken; Miller, Gary; Baldwin, V.; Foster, G. (1 February 2008). "Artificial Regeneration of Major Oak (Quercus) Species in the Eastern United States—A Review of the Literature". Forest Science. 54 (1): 77–106. doi:10.1093/forestscience/54.1.77. ISSN 0015-749X.
  13. ^ Kauffman, J. Boone (1991). "Survival by Sprouting Following Fire in Tropical Forests of the Eastern Amazon". Biotropica. 23 (3): 219–224. Bibcode:1991Biotr..23..219K. doi:10.2307/2388198. ISSN 0006-3606. JSTOR 2388198.
  14. ^ Sweeney, Bernard W.; Czapka, Stephen J.; Petrow, L. Carol A. (1 May 2007). "How Planting Method, Weed Abatement, and Herbivory Affect Afforestation Success". Southern Journal of Applied Forestry. 31 (2): 85–92. doi:10.1093/sjaf/31.2.85. ISSN 0148-4419. Archived from the original on 23 June 2022. Retrieved 10 February 2021.
  15. ^ a b c Benedek, Zsófia; Fertő, Imre (2013). "Development and application of a new Forestation Index: global forestation patterns and drivers" (Document). IEHAS Discussion Papers. hdl:10419/108304. ProQuest 1698449297.
  16. ^ Kurtz, Michele (Fall 2020). "Growing trees, growing jobs". American Forests. 126 (3): 18–23. ProQuest 2464421409.
  17. ^ a b Global Forest Resources Assessment 2020. FAO. 2020. doi:10.4060/ca8753en. ISBN 978-92-5-132581-0. S2CID 130116768.
  18. ^ IPCC (2022) Summary for policy makers in Climate Change 2022: Mitigation of Climate Change. Contribution of Working Group III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA
  19. ^ Sedjo, R., & Sohngen, B. (2012). Carbon sequestration in forests and soils. Annu. Rev. Resour. Econ., 4(1), 127-144.
  20. ^ Baccini, A.; Walker, W.; Carvalho, L.; Farina, M.; Sulla-Menashe, D.; Houghton, R. A. (October 2017). "Tropical forests are a net carbon source based on aboveground measurements of gain and loss". Science. 358 (6360): 230–234. Bibcode:2017Sci...358..230B. doi:10.1126/science.aam5962. ISSN 0036-8075. PMID 28971966.
  21. ^ Spawn, Seth A.; Sullivan, Clare C.; Lark, Tyler J.; Gibbs, Holly K. (6 April 2020). "Harmonized global maps of above and belowground biomass carbon density in the year 2010". Scientific Data. 7 (1): 112. Bibcode:2020NatSD...7..112S. doi:10.1038/s41597-020-0444-4. ISSN 2052-4463. PMC 7136222. PMID 32249772.
  22. ^ Carolyn Gramling (28 September 2017). "Tropical forests have flipped from sponges to sources of carbon dioxide; A closer look at the world's trees reveals a loss of density in the tropics". Sciencenews.org. 358 (6360): 230–234. Bibcode:2017Sci...358..230B. doi:10.1126/science.aam5962. PMID 28971966. Retrieved 6 October 2017.
  23. ^ Harvey, Fiona (4 March 2020). "Tropical forests losing their ability to absorb carbon, study finds". The Guardian. ISSN 0261-3077. Retrieved 5 March 2020.
  24. ^ "Press corner". European Commission – European Commission. Retrieved 28 September 2020.
  25. ^ Walker, Xanthe J.; Baltzer, Jennifer L.; Cumming, Steven G.; Day, Nicola J.; Ebert, Christopher; Goetz, Scott; Johnstone, Jill F.; Potter, Stefano; Rogers, Brendan M.; Schuur, Edward A. G.; Turetsky, Merritt R.; Mack, Michelle C. (August 2019). "Increasing wildfires threaten historic carbon sink of boreal forest soils". Nature. 572 (7770): 520–523. Bibcode:2019Natur.572..520W. doi:10.1038/s41586-019-1474-y. ISSN 1476-4687. PMID 31435055. S2CID 201124728. Retrieved 28 September 2020.
  26. ^ "Climate emissions from tropical forest damage 'underestimated by a factor of six'". The Guardian. 31 October 2019. Retrieved 28 September 2020.
  27. ^ "Why Keeping Mature Forests Intact Is Key to the Climate Fight". Yale E360. Retrieved 28 September 2020.
  28. ^ "Would a Large-scale Reforestation Effort Help Counter the Global Warming Impacts of Deforestation?". Union of Concerned Scientists. 1 September 2012. Retrieved 28 September 2020.
  29. ^ "Planting trees is no substitute for natural forests". phys.org. Retrieved 2 May 2021.
  30. ^ McDermott, Matthew (22 August 2008). "Can Aerial Reforestation Help Slow Climate Change? Discovery Project Earth Examines Re-Engineering the Planet's Possibilities". TreeHugger. Archived from the original on 30 March 2010. Retrieved 9 May 2010.
  31. ^ Lefebvre, David; Williams, Adrian G.; Kirk, Guy J. D.; Paul; Burgess, J.; Meersmans, Jeroen; Silman, Miles R.; Román-Dañobeytia, Francisco; Farfan, Jhon; Smith, Pete (7 October 2021). "Assessing the carbon capture potential of a reforestation project". Scientific Reports. 11 (1): 19907. Bibcode:2021NatSR..1119907L. doi:10.1038/s41598-021-99395-6. ISSN 2045-2322. PMC 8497602. PMID 34620924.
  32. ^ Gorte, Ross W. (2009). Carbon Sequestration in Forests (PDF) (RL31432 ed.). Congressional Research Service. Archived (PDF) from the original on 14 November 2022. Retrieved 9 January 2023.
  33. ^ a b c Bastin, Jean-Francois; Finegold, Yelena; Garcia, Claude; Mollicone, Danilo; Rezende, Marcelo; Routh, Devin; Zohner, Constantin M.; Crowther, Thomas W. (5 July 2019). "The global tree restoration potential". Science. 365 (6448): 76–79. Bibcode:2019Sci...365...76B. doi:10.1126/science.aax0848. PMID 31273120. S2CID 195804232.
  34. ^ Tutton, Mark (4 July 2019). "Restoring forests could capture two-thirds of the carbon humans have added to the atmosphere". CNN. Archived from the original on 23 March 2020. Retrieved 23 January 2020.
  35. ^ J. Chatellier (January 2010). The Role of Forest Products in the Global Carbon Cycle: From In-Use to End-of-Life (PDF). Yale School of Forestry and Environmental Studies. Archived from the original (PDF) on 5 July 2010.
  36. ^ Harmon, M. E.; Harmon, J. M.; Ferrell, W. K.; Brooks, D. (1996). "Modeling carbon stores in Oregon and Washington forest products: 1900?1992". Climatic Change. 33 (4): 521. Bibcode:1996ClCh...33..521H. doi:10.1007/BF00141703. S2CID 27637103.
  37. ^ Toussaint, Kristin (27 January 2020). "Building with timber instead of steel could help pull millions of tons of carbon from the atmosphere". Fast Company. Archived from the original on 28 January 2020. Retrieved 29 January 2020.
  38. ^ Churkina, Galina; Organschi, Alan; Reyer, Christopher P. O.; Ruff, Andrew; Vinke, Kira; Liu, Zhu; Reck, Barbara K.; Graedel, T. E.; Schellnhuber, Hans Joachim (27 January 2020). "Buildings as a global carbon sink". Nature Sustainability. 3 (4): 269–276. Bibcode:2020NatSu...3..269C. doi:10.1038/s41893-019-0462-4. ISSN 2398-9629. S2CID 213032074. Archived from the original on 28 January 2020. Retrieved 29 January 2020.
  39. ^ Warner, Emily; Cook-Patton, Susan C.; Lewis, Owen T.; Brown, Nick; Koricheva, Julia; Eisenhauer, Nico; Ferlian, Olga; Gravel, Dominique; Hall, Jefferson S.; Jactel, Hervé; Mayoral, Carolina; Meredieu, Céline; Messier, Christian; Paquette, Alain; Parker, William C. (2023). "Young mixed planted forests store more carbon than monocultures—a meta-analysis". Frontiers in Forests and Global Change. 6. Bibcode:2023FrFGC...626514W. doi:10.3389/ffgc.2023.1226514. ISSN 2624-893X.
  40. ^ Devi, Angom Sarjubala; Singh, Kshetrimayum Suresh (12 January 2021). "Carbon storage and sequestration potential in aboveground biomass of bamboos in North East India". Scientific Reports. 11 (1): 837. doi:10.1038/s41598-020-80887-w. ISSN 2045-2322. PMC 7803772. PMID 33437001.
  41. ^ "Does harvesting in Canada's forests contribute to climate change?" (PDF). Canadian Forest Service Science-Policy Notes. Natural Resources Canada. May 2007. Archived (PDF) from the original on 30 July 2013.
  42. ^ "Climate information relevant for Forestry" (PDF).
  43. ^ Ometto, J.P., K. Kalaba, G.Z. Anshari, N. Chacón, A. Farrell, S.A. Halim, H. Neufeldt, and R. Sukumar, 2022: CrossChapter Paper 7: Tropical Forests. In: Climate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.)]. Cambridge University Press, Cambridge, UK and New York, NY, USA, pp. 2369–2410, doi:10.1017/9781009325844.024.
  44. ^ Canadell, J.G.; M.R. Raupach (13 June 2008). "Managing Forests for Climate Change" (PDF). Science. 320 (5882): 1456–1457. Bibcode:2008Sci...320.1456C. CiteSeerX 10.1.1.573.5230. doi:10.1126/science.1155458. PMID 18556550. S2CID 35218793.
  45. ^ Adam, David (18 February 2009). "Fifth of world carbon emissions soaked up by extra forest growth, scientists find". The Guardian. London. Retrieved 22 May 2010.
  46. ^ Suganuma, H.; Egashira, Y.; Utsugi, H.; Kojima, T. (July 2012). "Estimation of CO2 reduction amount by arid land afforestation in Western Australia". 2012 IEEE International Geoscience and Remote Sensing Symposium. pp. 7216–7219. doi:10.1109/IGARSS.2012.6351997. ISBN 978-1-4673-1159-5. S2CID 31123240. Archived from the original on 22 September 2021. Retrieved 10 February 2021.
  47. ^ Freedman, Bill; Keith, Todd (11 April 1996). "Planting trees for carbon credits: a discussion of context, issues, feasibility, and environmental benefits". Environmental Reviews. 4 (2): 100–111. doi:10.1139/a96-006.
  48. ^ Why is biodiversity important? (2018). Retrieved 28 April 2023, from https://www.conservation.org/blog/why-is-biodiversity-important Archived 9 September 2024 at the Wayback Machine
  49. ^ Zhang, Mingfang; Wei, Xiaohua (5 March 2021). "Deforestation, forestation, and water supply". Science. 371 (6533): 990–991. Bibcode:2021Sci...371..990Z. doi:10.1126/science.abe7821. PMID 33674479. S2CID 232124649.
  50. ^ a b AbdulBaqi, Faten Khalid (June 2022). "The effect of afforestation and green roofs techniques on thermal reduction in Duhok city". Trees, Forests and People. 8: 100267. Bibcode:2022TFP.....800267A. doi:10.1016/j.tfp.2022.100267. S2CID 248646593.
  51. ^ "Can tree campaigns curb climate change without harming grasslands?". Scienceline. 28 May 2021. Archived from the original on 13 June 2021. Retrieved 12 June 2021.
  52. ^ Bond, William J.; Stevens, Nicola; Midgley, Guy F.; Lehmann, Caroline E.R. (November 2019). "The Trouble with Trees: Afforestation Plans for Africa". Trends in Ecology & Evolution. 34 (11): 963–965. Bibcode:2019TEcoE..34..963B. doi:10.1016/j.tree.2019.08.003. hdl:20.500.11820/ad569ac5-dc12-4420-9517-d8f310ede95e. PMID 31515117. S2CID 202568025. Archived from the original on 15 November 2022. Retrieved 13 June 2021.
  53. ^ Maschler, Julia; Bialic-Murphy, Lalasia; Wan, Joe; Andresen, Louise C.; Zohner, Constantin M.; Reich, Peter B.; Lüscher, Andreas; Schneider, Manuel K.; Müller, Christoph (2022), Data from: Links across ecological scales: Plant biomass responses to elevated CO2, Dryad, doi:10.5061/dryad.hhmgqnkk4, archived from the original on 9 September 2024, retrieved 3 October 2022
  54. ^ Franks, Samantha E.; Douglas, David J. T.; Gillings, Simon; Pearce-Higgins, James W. (3 July 2017). "Environmental correlates of breeding abundance and population change of Eurasian Curlew Numenius arquata in Britain". Bird Study. 64 (3): 393–409. Bibcode:2017BirdS..64..393F. doi:10.1080/00063657.2017.1359233. ISSN 0006-3657. S2CID 89966879.
  55. ^ Mykleby, P. M.; Snyder, P. K.; Twine, T. E. (16 March 2017). "Quantifying the trade-off between carbon sequestration and albedo in midlatitude and high-latitude North American forests". Geophysical Research Letters. 44 (5): 2493–2501. Bibcode:2017GeoRL..44.2493M. doi:10.1002/2016GL071459. ISSN 0094-8276. S2CID 133588291. Archived from the original on 9 September 2024. Retrieved 1 May 2022.
  56. ^ Rohatyn, Shani; Yakir, Dan; Rotenberg, Eyal; Carmel, Yohay (23 September 2022). "Limited climate change mitigation potential through forestation of the vast dryland regions". Science. 377 (6613): 1436–1439. Bibcode:2022Sci...377.1436R. doi:10.1126/science.abm9684. ISSN 0036-8075. PMID 36137038. S2CID 252465486. Archived from the original on 9 September 2024. Retrieved 24 September 2022.
  57. ^ "Projects: Adelaide Greening Strategy". www.greenadelaide.sa.gov.au. Archived from the original on 9 September 2024. Retrieved 4 January 2024.
  58. ^ "Carbon Neutral Adelaide Status Report 2021 Final" (PDF). cdn.environment.sa.gov.au. Archived (PDF) from the original on 9 September 2024. Retrieved 4 January 2024.
  59. ^ Dominy, S.W.J. (June 2010). "A retrospective and lessons learned from Natural Resources Canada's Forest 2020 afforestation initiative". The Forestry Chronicle. 86 (3): 339–347. doi:10.5558/tfc86339-3.
  60. ^ "2 Billion Trees Program". Canada.ca. Government of Canada. 16 December 2021. Archived from the original on 9 September 2024. Retrieved 24 February 2022.
  61. ^ "Canada calls for proposals to support 2 Billion Trees program". Woodbusiness.ca. Annex Business Media. Canadian Forest Industries magazine. 20 December 2021. Archived from the original on 24 February 2022. Retrieved 24 February 2022.
  62. ^ 省河道堤防建设管理局2016年工作要点 Archived 2018-04-01 at the Wayback Machine (The work goals of the provincial waterway flood protection levee administration for 2016), 2016-02-17
  63. ^ Yang, Ling. "China to plant more trees in 2009". ChinaView. Xinhua News Agency. Archived from the original on 10 February 2009. Retrieved 23 October 2014.
  64. ^ "Outline of the 14th Five-Year Plan (2021-2025) for National Economic and Social Development and Vision 2035 of the People's Republic of China_ News_ 福建省人民政府门户网站". www.fujian.gov.cn. Archived from the original on 14 April 2022. Retrieved 29 September 2023.
  65. ^ China Forest Law Amendment Archived 3 February 2024 at the Wayback Machine atibt.org
  66. ^ "China: Afforestation Project in Shandong Improves Environment and Farmers' Incomes". World Bank. Archived from the original on 9 September 2024. Retrieved 3 February 2024.
  67. ^ Environment, U. N. (22 August 2019). "Saihanba Afforestation Community | Champions of the Earth". www.unep.org. Archived from the original on 3 February 2024. Retrieved 3 February 2024.
  68. ^ a b "Restoring China's Loess Plateau". World Bank. Archived from the original on 10 May 2023. Retrieved 1 June 2023.
  69. ^ a b Li, Yifei; Shapiro, Judith (2020). China goes green: coercive environmentalism for a troubled planet = Zhong guo zou xiang lü se. Cambridge, UK Medford, MA: Polity. ISBN 978-1-5095-4312-0.
  70. ^ Schmiedeknecht, Maud H. (2013), "Environmental Sustainability Index", in Idowu, Samuel O.; Capaldi, Nicholas; Zu, Liangrong; Gupta, Ananda Das (eds.), Encyclopedia of Corporate Social Responsibility, Berlin, Heidelberg: Springer, pp. 1017–1024, doi:10.1007/978-3-642-28036-8_116, ISBN 978-3-642-28036-8, retrieved 3 February 2024
  71. ^ Cao, Shixiong; Chen, Li; Shankman, David; Wang, Chunmei; Wang, Xiongbin; Zhang, Hong (1 February 2011). "Excessive reliance on afforestation in China's arid and semi-arid regions: Lessons in ecological restoration". Earth-Science Reviews. 104 (4): 240–245. Bibcode:2011ESRv..104..240C. doi:10.1016/j.earscirev.2010.11.002. ISSN 0012-8252.
  72. ^ Shi, Jun; Cui, Linli (30 November 2010). "Soil carbon change and its affecting factors following afforestation in China". Landscape and Urban Planning. 98 (2): 75–85. Bibcode:2010LUrbP..98...75S. doi:10.1016/j.landurbplan.2010.07.011. ISSN 0169-2046.
  73. ^ Xu, Deying (1 January 1995). "The potential for reducing atmospheric carbon by large-scale afforestation in China and related cost/benefit analysis". Biomass and Bioenergy. Forestry and Climate Change. 8 (5): 337–344. Bibcode:1995BmBe....8..337X. doi:10.1016/0961-9534(95)00026-7. ISSN 0961-9534.
  74. ^ a b Zhan, Jing Vivian (2022). China's Contained Resource Curse: How Minerals Shape State-Capital-Labor Relations. Cambridge, United Kingdom: Cambridge University Press. ISBN 978-1-009-04898-9.
  75. ^ Roberts, N.; Fyfe, R. M.; Woodbridge, J.; Gaillard, M.-J.; Davis, B. a. S.; Kaplan, J. O.; Marquer, L.; Mazier, F.; Nielsen, A. B.; Sugita, S.; Trondman, A.-K.; Leydet, M. (15 January 2018). "Europe's lost forests: a pollen-based synthesis for the last 11,000 years". Scientific Reports. 8 (1): 716. Bibcode:2018NatSR...8..716R. doi:10.1038/s41598-017-18646-7. ISSN 2045-2322. PMC 5768782. PMID 29335417.
  76. ^ Zanchi, Giuliana; Thiel, Daniel; Green, Tim; Lindner, Marcus (26 January 2007). Afforestation in Europe (PDF) (Report). Joensuu, Finland: European Forest Institute. SSPE-CT-2004-503604.
  77. ^ "The European Green Deal - European Commission". commission.europa.eu. 14 July 2021. Archived from the original on 9 September 2024. Retrieved 4 March 2024.
  78. ^ COMMISSION STAFF WORKING DOCUMENT The 3 Billion Tree Planting Pledge For 2030 Accompanying the document COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS New EU Forest Strategy for 2030
  79. ^ Vadell, Enric; de-Miguel, Sergio; Pemán, Jesús (1 September 2016). "Large-scale reforestation and afforestation policy in Spain: A historical review of its underlying ecological, socioeconomic and political dynamics". Land Use Policy. 55: 37–48. Bibcode:2016LUPol..55...37V. doi:10.1016/j.landusepol.2016.03.017. ISSN 0264-8377. S2CID 155200935.
  80. ^ "Total forest and tree cover increased by 2261 square kilometre in India as per the India State of Forest Report (ISFR) 2021". pib.gov.in. Archived from the original on 9 September 2024. Retrieved 3 February 2024.
  81. ^ "Uttar Pradesh plants 220 million trees in one day". The Hindu. 13 August 2019. ISSN 0971-751X. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
  82. ^ "Indians Plant 220 Million Trees In A Single Day". HuffPost. 11 August 2019. Archived from the original on 13 January 2022. Retrieved 12 January 2022.
  83. ^ Pritchard, H. W (1 January 2001). "Ne'eman G, Traubaud L, eds. 2000. Ecology, biogeography and management of Pinus halepensis and P. brutia forest ecosystems in the Mediterranean Basin. 404 pp. Leiden: Backhuys Publishers. $120 (hardback)". Annals of Botany. 87 (1): 132–133. doi:10.1006/anbo.2000.1313. ISSN 0305-7364. Archived from the original on 9 September 2024. Retrieved 5 February 2024.
  84. ^ Perevolotsky, Avi; Sheffer, Efrat (1 December 2009). "Forest management in Israel—The ecological alternative". Israel Journal of Plant Sciences. 57 (1): 35–48. Bibcode:2009IsJPS..57...35P. doi:10.1560/IJPS.57.1-2.35 (inactive 17 September 2024). ISSN 0792-9978.{{cite journal}}: CS1 maint: DOI inactive as of September 2024 (link)[permanent dead link]
  85. ^ "The Reforestation of Israel - Aardvark Israel". aardvarkisrael.com. 28 November 2017. Archived from the original on 3 February 2024. Retrieved 3 February 2024.
  86. ^ Westaway, Sally; Grange, Ian; Smith, Jo; Smith, Laurence G. (1 February 2023). "Meeting tree planting targets on the UK's path to net-zero: A review of lessons learnt from 100 years of land use policies". Land Use Policy. 125: 106502. Bibcode:2023LUPol.12506502W. doi:10.1016/j.landusepol.2022.106502. ISSN 0264-8377.
  87. ^ Smout, T C; MacDonald, R; Watson, Fiona (2007). A History of the Native Woodlands of Scotland 1500–1920. Edinburgh University Press. ISBN 978-0-7486-3294-7.
  88. ^ "Woodland expansion across Scotland". NatureScot. Retrieved 29 November 2019.
  89. ^ "Draft Climate Change Plan: The draft third report on policies and proposals 2017-2032" (PDF). Government of Scotland. January 2017.
  90. ^ "History at arborday.org". www.arborday.org. Archived from the original on 25 April 2020. Retrieved 4 March 2024.
  91. ^ Snow, Megan Anne (January 2019). "The Shelterbelt "Scheme": Radical Ecological Forestry and the Production of Climate in the Fight for the Prairie States Forestry Project". Archived from the original on 9 September 2024.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Afforestation&oldid=1254540873"