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A key feature of rewilding is its focus on replacing human interventions with natural processes. Rewilding enables the return of intact large mammal assemblages. This implies the natural groupings of large mammal species in an area to promote the restoration of trophic networks. The mechanism of rewilding is a process of rebuilding, to restore natural ecosystems by introducing or re-introducing large mammals to promote resilient, self-regulating, and self-sustaining ecosystems. [1][2] (2 reference added)

The aim is to create resilient, self-regulating and self-sustaining ecosystems. A key feature of rewilding is it's focus on replacing human interventions with natural processes. Rewilding projects are usually part of programs for habitat restoration and conservation biology, and ideally they should be based on sound ecological theory and evidence.[3] (added reference)

Rewilding is a form of ecological restoration aimed at increasing biodiversity and restoring natural processes. It differs from other forms of ecological restoration in that rewilding aspires to reduce human influence on ecosystems. It is also distinct from other forms of restoration in that, while it places emphasis on recovering geographically specific sets of ecological interactions and functions that would have maintained ecosystems prior to human influence.[1] Rewilding is open to novel or emerging ecosystems which encompass new species and new interactions. [4] (added reference)

Origin

The term rewilding was coined by members of the grassroots network Earth First!, first appearing in print in 1990.[5] It was refined and grounded in a scientific context in a paper published in 1998 by conservation biologists Michael Soulé and Reed Noss. Soulé and Noss envisaged rewilding as a conservation method based on the concept of 'cores, corridors, and carnivores'. Rewilding originated in the 1980s, referring to the to the 3Cs: cores, corridors and carnivores. The key components of rewilding incorporate large core protected areas, keystone species, and ecological connectivity based on the theory that large predators play regulatory roles in ecosystems.[6] (added reference) 3Cs rewilding therefore relied on protecting 'core' areas of wild land, linked together by 'corridors' allowing passage for 'carnivores' to move around the landscape and perform their functional role.[7](added reference) The concept was developed further in 1999[8] and Earth First co-founder, Dave Foreman, subsequently wrote a full-length book on rewilding as a conservation strategy.[9]

Rewilding and climate change

Large mammals can influence ecosystems by altering biogeochemical pathways as they contribute to unique ecological roles, they are landscape engineers that aid in shaping the structure and composition of natural habitats.[10][11] (reference added) Rewilding can mitigate global climate change by restoring ecosystems.[12][13][14][15] An example of this would be rewilding pasture land, thereby reducing the number of cows and sheep and increasing the number of trees.[16][17]

Trophic rewilding can enhance the carbon capture and storage of ecosystems and has been posited as a "natural climate solution". The functional roles animals perform in an ecosystem, such as grazing, nutrient cycling and seed distribution, can influence the amount of carbon soils and plants capture in both marine and terrestrial environments.[18] A study in a tropical forest in Guyana found that an increase in mammal species from 5 to 35 increased tree and soil carbon storage by four to five times, compared to an increase of 3.5 to four times with an increase of tree species from 10 to 70.[19]

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References

  1. ^ Cromsigt, Joris P. G. M.; te Beest, Mariska; Kerley, Graham I. H.; Landman, Marietjie; le Roux, Elizabeth; Smith, Felisa A. (2018-12-05). "Trophic rewilding as a climate change mitigation strategy?". Philosophical Transactions of the Royal Society B: Biological Sciences. 373 (1761): 20170440. doi:10.1098/rstb.2017.0440. ISSN 0962-8436. PMC 6231077. PMID 30348867.{{cite journal}}: CS1 maint: PMC format (link)
  2. ^ Bakker, Elisabeth S.; Svenning, Jens-Christian (2018-12-05). "Trophic rewilding: impact on ecosystems under global change". Philosophical Transactions of the Royal Society B: Biological Sciences. 373 (1761): 20170432. doi:10.1098/rstb.2017.0432. ISSN 0962-8436. PMC 6231072. PMID 30348876.{{cite journal}}: CS1 maint: PMC format (link)
  3. ^ Svenning, Jens-Christian (2020-12). "Rewilding should be central to global restoration efforts". One Earth. 3 (6): 657–660. doi:10.1016/j.oneear.2020.11.014. ISSN 2590-3322. {{cite journal}}: Check date values in: |date= (help)
  4. ^ Svenning, Jens-Christian (2020-12). "Rewilding should be central to global restoration efforts". One Earth. 3 (6): 657–660. doi:10.1016/j.oneear.2020.11.014. ISSN 2590-3322. {{cite journal}}: Check date values in: |date= (help)
  5. ^ Foote, Jennifer (5 February 1990). "Trying to Take Back the Planet". Newsweek.
  6. ^ Wolf, Christopher; Ripple, William J. (2018-03). "Rewilding the world's large carnivores". Royal Society Open Science. 5 (3): 172235. doi:10.1098/rsos.172235. ISSN 2054-5703. PMC 5882739. PMID 29657815. {{cite journal}}: Check date values in: |date= (help)CS1 maint: PMC format (link)
  7. ^ Sweeney, Oisín F.; Turnbull, John; Jones, Menna; Letnic, Mike; Newsome, Thomas M.; Sharp, Andy (2019-08). "An Australian perspective on rewilding". Conservation Biology. 33 (4): 812–820. doi:10.1111/cobi.13280. ISSN 0888-8892. {{cite journal}}: Check date values in: |date= (help)
  8. ^ Carver, Steve (2016). "Rewilding... conservation and conflict" (PDF). ECOS. 37 (2). Retrieved 1 June 2022.
  9. ^ Petersen, David (2005). "Book Review: Rewilding North America" (PDF). Bloomsbury Review. 25 (3). Archived (PDF) from the original on 11 April 2023. Retrieved 3 April 2023.
  10. ^ Lundgren, Erick J.; Ramp, Daniel; Ripple, William J.; Wallach, Arian D. (2018-06). "Introduced megafauna are rewilding the Anthropocene". Ecography. 41 (6): 857–866. doi:10.1111/ecog.03430. ISSN 0906-7590. {{cite journal}}: Check date values in: |date= (help)
  11. ^ Athumani, Paulo C.; Munishi, Linus K.; Ngondya, Issakwisa B. (2023-01). "Reconstructing Historical Distribution of Large Mammals and their Habitat to Inform Rewilding and Restoration in Central Tanzania". Tropical Conservation Science. 16: 194008292311668. doi:10.1177/19400829231166832. ISSN 1940-0829. {{cite journal}}: Check date values in: |date= (help)
  12. ^ Carroll, Carlos; Noss, Reed F. (February 2021). "Rewilding in the face of climate change". Conservation Biology. 35 (1): 155–167. Bibcode:2021ConBi..35..155C. doi:10.1111/cobi.13531. ISSN 0888-8892. PMC 7984084. PMID 32557877.
  13. ^ Cromsigt, Joris P. G. M.; te Beest, Mariska; Kerley, Graham I. H.; Landman, Marietjie; le Roux, Elizabeth; Smith, Felisa A. (5 December 2018). "Trophic rewilding as a climate change mitigation strategy?". Philosophical Transactions of the Royal Society B: Biological Sciences. 373 (1761): 20170440. doi:10.1098/rstb.2017.0440. ISSN 0962-8436. PMC 6231077. PMID 30348867.
  14. ^ Nogués-Bravo, David; Simberloff, Daniel; Rahbek, Carsten; Sanders, Nathan James (February 2016). "Rewilding is the new Pandora's box in conservation". Current Biology. 26 (3): R87 – R91. Bibcode:2016CBio...26..R87N. doi:10.1016/j.cub.2015.12.044. PMID 26859272. S2CID 739698.
  15. ^ Svenning, Jens-Christian (December 2020). "Rewilding should be central to global restoration efforts". One Earth. 3 (6): 657–660. Bibcode:2020OEart...3..657S. doi:10.1016/j.oneear.2020.11.014. S2CID 234537481.
  16. ^ "England must reduce meat intake to avoid climate breakdown, says food tsar". The Guardian. 16 August 2022. Archived from the original on 28 June 2023. Retrieved 16 August 2022.
  17. ^ "The most damaging farm products? Organic, pasture-fed beef and lamb". The Guardian. 16 August 2022. Archived from the original on 16 August 2022. Retrieved 16 August 2022.
  18. ^ Schmitz, Oswald J.; Sylvén, Magnus; Atwood, Trisha B.; Bakker, Elisabeth S.; Berzaghi, Fabio; Brodie, Jedediah F.; Cromsigt, Joris P. G. M.; Davies, Andrew B.; Leroux, Shawn J.; Schepers, Frans J.; Smith, Felisa A.; Stark, Sari; Svenning, Jens-Christian; Tilker, Andrew; Ylänne, Henni (27 March 2023). "Trophic rewilding can expand natural climate solutions". Nature Climate Change. 13 (4): 324–333. Bibcode:2023NatCC..13..324S. doi:10.1038/s41558-023-01631-6. hdl:20.500.11755/f02184f8-911c-4efd-ac4e-d0882f666ebf. ISSN 1758-6798. S2CID 257777277. Archived from the original on 11 September 2023. Retrieved 27 September 2023.
  19. ^ Sobral, Mar; Silvius, Kirsten M.; Overman, Han; Oliveira, Luiz F. B.; Raab, Ted K.; Fragoso, José M. V. (9 October 2017). "Mammal diversity influences the carbon cycle through trophic interactions in the Amazon". Nature Ecology & Evolution. 1 (11): 1670–1676. Bibcode:2017NatEE...1.1670S. doi:10.1038/s41559-017-0334-0. ISSN 2397-334X. PMID 28993614. S2CID 256704162. Archived from the original on 27 September 2023. Retrieved 27 September 2023.
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