Island Conservation
Founded1994
FoundersDr. Bernie Tershy,[1] and Dr. Don Croll[2]
Type501(c)(3) Non-profit Organization
FocusConserving island habitats and species
Location
Area served
Caribbean, North America, South America, Pacific
Key people
Dr. Karen Poiani, CEO
Revenue
$10.2 million in 2021[3]
WebsiteIsland Conservation

Island Conservation is a non-profit organization with the mission to prevent extinctions by removing invasive species from islands. Island Conservation has therefore focused its efforts on islands with species categorized as Critically Endangered and Endangered on the IUCN's Red List.[4] Working in partnership with local communities, government management agencies, and conservation organizations, Island Conservation develops plans and implements the removal of invasive alien species,[5] and conducts field research to document the benefits of the work and to inform future projects.

Island Conservation's approach is now being shown to have a wider beneficial effect on the marine systems surrounding its project areas.[6][7][8] In addition, invasive vertebrate eradication has now been shown to have many benefits besides conservation of species. Specifically, the approach has been found to align with 13 UN Sustainable Development Goals and 42 associated targets encompassing marine and terrestrial biodiversity conservation, promotion of local and global partnerships, economic development, climate change mitigation, human health and sanitation and sustainable production and consumption.[9][10]

To date Island Conservation has deployed teams to protect 1,195 populations of 487 species and subspecies on 64 islands.[11]

The work of Island Conservation is not without controversy, This is documented in the book Battle at the End of Eden.[12] Restoring islands requires removing whole populations of an invasive species. There is an ethical question of whether humankind has the right to remove one species to save others. However, a 2019 study suggests that if eradications of invasive animals were conducted on just 169 islands, the survival prospects of 9.4% of the Earth's most highly threatened terrestrial insular vertebrates would be improved.[13][14]

History

Island Conservation was founded by Bernie Tershy and Don Croll, both Professors at UCSC's Long Marine Lab. These scientists learned about the story of Clipperton Island which had been visited by ornithologist Ken Stager of the Los Angeles County Museum in 1958. Appalled at the depredations visited by feral pigs upon the island's brown booby and masked booby colonies (reduced to 500 and 150 birds, respectively), Stager procured a shotgun and removed all 58 pigs. By 2003, the colonies numbered 25,000 brown boobies and 112,000 masked boobies, the world's second-largest brown booby colony and largest masked booby colony.[15]

Much of organization's early focus was working in Mexico in conjunction with its sister organization, Grupo de Ecología y Conservación de Islas, in the Gulf of California and off the Pacific Coast.[16][17] Subsequently, Island Conservation expanded its geographic scope to the Channel Islands of California, Pacific Coast of Canada, The Aleutians Islands, Hawaiian Islands, and finally to the Pacific, Caribbean, and South America.

Island Conservation has a strong scientific grounding. Over 160 peer-reviewed publications in major journals such as Biological Conservation, Conservation Biology and Proceedings of the National Academy of Sciences have been authored or co-authored by Island Conservation staff and contractors.[18]

Partnerships

As Island Conservation does not have management responsibility over any islands itself, all projects are in partnership with the island owner/manager, island users, local communities and regulatory authorities. Since its founding in 1994, the organization has developed partnerships with over 100 organizations.[19] Partners include conservation organizations, government agencies, regulatory agencies, scientific institutions, and international conservation consortiums. Island Conservation is a member of the International Union for Conservation of Nature (IUCN), Alliance for Zero Extinction,[20] and has a Memorandum of Understanding with the US Fish & Wildlife Service,[21] and BirdLife International,[22] amongst others.

Advisory Council

The organization's founding Advisory Board[23] is composed of prominent scientists, practitioners, and authors in the fields of conservation biology and invasive species including Paul Ehrlich, José Sarukhán Kermez, Russell Mittermeier, Harold Mooney, David Quammen, Peter Raven, Michael Soulé, and Edward O. Wilson.

Programs

North America

In this region, Island Conservation currently works in the United States and Canada. In the United States, the Anacapa Island Restoration Project[24][25][26] was completed in 2002 and benefited the Scripps's murrelet, Cassin's auklet, and Anacapa Deer Mouse. The Lehua Island Restoration Project was completed in 2006 which benefited Newell's shearwater and black-footed albatross.[27][28] Subsequently, projects completed include the Hawadax Island Restoration Project[29][30][31] in 2008, the San Nicolas Island Project[32][33][34] in 2010, and the Palmyra Island Restoration Project[35] in 2011.

Key federal government partnerships in North America include in the US Department of Interior, USFWS, NPS, the US Department of Agriculture-APHIS, National Wildlife Research Center, NOAA, Parks Canada Agency, and Environment and Climate Change Canada. Island Conservation is working with the following non-governmental organizations: Coastal Conservation Association (CA), Bird Studies Canada, American Bird Conservancy, The Nature Conservancy, and Grupo de Ecología y Conservación de Islas.

Pacific

Since 2010, Island Conservation has contributed to the development and implementation of island restoration projects in Australia (Lord Howe Island[36] and Norfolk Island), French Polynesia (Tetiꞌaroa Restoration Project in 2022,[37] Acteon-Gambier Archipelago Restoration Project[38] in 2015), Tonga (Late Island and numerous small islets), Republic of Palau (including within the Rock Islands Southern Lagoon World Heritage Area[39]), Federated States of Micronesia (Ulithi Lagoon), and New Caledonia (Walpole Island). Island Conservation is an active member of the Pacific Invasives Partnership.[40] Other key partnerships include Invasive Species Council,[41] BirdLife International, New Zealand Department of Conservation, SPREP and the Ornithological Society of French Polynesia.

Caribbean

In this region, Island Conservation works primarily in Puerto Rico, The Commonwealth of The Bahamas, and the Dominican Republic. In May 2012, Island Conservation and the Bahamas National Trust worked together to remove invasive house mice from Allen Cay to protect native species including the Allen Cays rock iguana and Audubon's shearwater.[42] Since 2008, Island Conservation and the US Fish and Wildlife Service (USFWS) have worked together to remove invasive vertebrates from Desecheo National Wildlife Refuge in Puerto Rico, primarily benefiting the Higo Chumbo cactus, three endemic reptiles, two endemic invertebrates, and to recover globally significant seabird colonies of brown boobies, red footed boobies, and bridled terns.[43] Future work will focus on important seabird populations, key reptile groups including West Indian Rock Iguanas, and the restoration of Mona Island,[44] Alto Velo, and offshore cays in the Puerto Rican Bank and The Bahamas. Key partnerships include the USFWS, Puerto Rico DNER, the Bahamas National Trust, and the Dominican Republic Ministry of Environment and Natural Resources.

South America

In this region, Island Conservation works primarily in Ecuador and Chile. In Ecuador, the Rábida Island Restoration Project was completed in 2010. A gecko (Phyllodactylus sp.) found during monitoring in late 2012 was only recorded from subfossils estimated at more than 5,700 years old. Live Rábida Island endemic land snails (Bulimulus (Naesiotus) rabidensis), not seen since collected over 100 years ago, were also collected in late 2012.[45] This was followed in 2012 by the Pinzon and Plaza Sur Island Restoration Project primarily benefiting the Pinzón giant tortoise, Opuntia galapageia, Galápagos land iguana. As a result of the project, Pinzon Giant Tortoise hatched from eggs and were surviving in the wild for the first time in more than 150 years[46][47][48][49] In 2019, The Directorate of Galápagos National Park with Island Conservation used drones to eradicate invasive rats from North Seymour Island - this was the first time such an approach has been used on vertebrates in the wild. The expectation is that this innovation will pave the way for cheaper invasive species eradications in the future on small and mid-sized islands.[50][51] [52][53] The current focus in Ecuador is Floreana Island with 55 IUCN threatened species present and 13 extirpated species that could be reintroduced after invasive mammals are eradicated. Partners include: The Leona M. and Harry B. Helmsley Charitable Trust, Ministry of Environment (Galápagos National Park Directorate, Galápagos Biosecurity Agency), the Ministry of Agriculture, the Floreana Parish Council and the Galapagos Government Council.

In 2009 Chile, Island Conservation initiated formal collaborations with CONAF, the country's protected areas agency, to further restoration of islands under their administration. In January 2014, the Choros Island Restoration Project was completed benefiting the Humboldt penguin, Peruvian diving petrel, and the local eco-tourism industry.[54][55] The focus of future work includes the Humboldt Penguin National Reserve and the Juan Fernández Archipelago.

Conservation Innovation

From its earliest days, Island Conservation has prided itself on innovating its tools and approach to eradication projects. Island Conservation implemented its first helicopter-based aerial broadcast eradication on Anacapa Island in 2001 refining technology developed in New Zealand for agriculture and pest control, this has been replicated on more than 10 international island restoration projects since.[56] Island Conservation has developed practices for holding native species in captivity for re-release and mitigating risks to species, including the successful capture and release of endemic mice on Anacapa and hawks on Pinzon.[57]

In 2010, Island Conservation partnered with the U.S. Humane Society to remove feral cats from San Nicolas Island [58] for relocation to a sanctuary on the mainland California. New tools including a remote trap monitoring system, digital data collection system,[59] and statistical decision support tools[60][61] improved the humanness of removal methods, reduced project cost, and reduced time to declare success.[62]

Following a series of failed eradication attempts in 2012, Island Conservation led a group of international experts to identify challenges on tropical islands[63] resulting in recommend practices for tropical rodent eradications.[64] Applying these lessons[65] following a failed attempt on Desecheo island 2017 resulted in success.

Island Conservation led a horizon scan in 2015[66] that identified drones,[67] genetic biocontrol, and conflict transformation as critical innovations to increase the scale, scope, and pace of rodent eradications. Since this exercise, Island Conservation formed the Genetic Biocontrol for Invasive Rodents (GBIRd) partnership to cautiously explore the development of safe and ethical genetic technologies[68] to prevent extinctions, supported sustainable community-driven approaches[69] to conservation projects, and implemented the world’s first drone-powered rat eradication. The current focus of the Conservation Innovation program is to advance methods that increase safety, reduce cost, and improve the feasibility of eradicating invasive vertebrates from islands.

References

  1. ↑ "Bernie Tershy UCSC Faculty Profile". UCSC. Archived from the original on 24 March 2016. Retrieved 14 June 2016.
  2. ↑ "Don Croll UCSC Faculty Profile". UCSC. Archived from the original on 19 June 2016. Retrieved 13 June 2016.
  3. ↑ "2021 Audited Financial Statements" (PDF). Island Conservation. Retrieved 22 May 2023.
  4. ↑ Jones, Holly P.; Holmes, Nick D.; Butchart, Stuart H. M.; Tershy, Bernie R.; Kappes, Peter J.; Corkery, Ilse; Aguirre-Muñoz, Alfonso; Armstrong, Doug P.; Bonnaud, Elsa; Burbidge, Andrew A.; Campbell, Karl; Courchamp, Franck; Cowan, Philip E.; Cuthbert, Richard J.; Ebbert, Steve; Genovesi, Piero; Howald, Gregg R.; Keitt, Bradford S.; Kress, Stephen W.; Miskelly, Colin M.; Oppel, Steffen; Poncet, Sally; Rauzon, Mark J.; Rocamora, Gérard; Russell, James C.; Samaniego-Herrera, Araceli; Seddon, Philip J.; Spatz, Dena R.; Towns, David R.; Croll, Donald A. (2016-03-21). "Invasive mammal eradication on islands results in substantial conservation gains". Proceedings of the National Academy of Sciences. 113 (15): 4033–4038. doi:10.1073/pnas.1521179113. ISSN 0027-8424. PMC 4839448. PMID 27001852.
  5. ↑ "What are Invasive Alien Species?". CBD Secretariat. Retrieved 18 June 2016.
  6. ↑ McCauley, Douglas (May 17, 2012). "From wing to wing: the persistence of long ecological interaction chains in less-disturbed ecosystems". Nature. 2: 409. doi:10.1038/srep00409. PMC 3354671. PMID 22624091.
  7. ↑ Graham, Nicolas (July 12, 2018). "Seabirds enhance coral reef productivity and functioning in the absence of invasive rats" (PDF). Nature. 559 (7713): 250–253. doi:10.1038/s41586-018-0202-3. PMID 29995864. S2CID 49669772.
  8. ↑ "Marine Threat:Islands & Marine Biodiversity". Revive & Restore. April 2019. Retrieved 27 June 2019.
  9. ↑ de Wit, Luz A; Zilliacus, Kelly M; Quadri, Paulo; Will, David; Grima, Nelson; Spatz, Dena; Holmes, Nick; Tershy, Bernie; Howald, Gregg R; Croll, Donald A (2020). "Invasive vertebrate eradications on islands as a tool for implementing global Sustainable Development Goals". Environmental Conservation. 47 (3): 139–148. doi:10.1017/S0376892920000211. ISSN 0376-8929.
  10. ↑ "Pursuing Sustainable Development for Island Communities by Removing Invasive Species". Island Conservation. 13 August 2020. Retrieved 13 August 2020.
  11. ↑ "Island Conservation Mission and History". Retrieved 20 March 2021.
  12. ↑ "Battle at the End of Eden". Atlantic Books. Retrieved 11 February 2016.
  13. ↑ Holmes, Nick (March 27, 2019). "Globally important islands where eradicating invasive mammals will benefit highly threatened vertebrates". PLOS ONE. 14 (3): e0212128. Bibcode:2019PLoSO..1412128H. doi:10.1371/journal.pone.0212128. PMC 6436766. PMID 30917126.
  14. ↑ "169 Islands that Offer Hope for Stemming the Extinction Crisis". Island Conservation. 2019-03-26. Retrieved 28 March 2019.
  15. ↑ "Clipperton Island: Pig Sty, Rat Hole and Booby Prize" (PDF). Marine Ornithology. Retrieved 12 February 2016.
  16. ↑ "Island Conservation Action in Northwest Mexico" (PDF). Proceedings of the Fifth California Islands Symposium. Santa Barbara Museum of Natural History, Santa Barbara, CA. Archived from the original (PDF) on 21 October 2012. Retrieved 14 June 2016.
  17. ↑ Aguirre-Muñoz, Alfonso; Croll, Donald A.; Donlan, C. Josh; Henry, R. William; Hermosillo, Miguel Angel; Howald, Gregg R.; Keitt, Bradford S.; Luna-Mendoza, Luciana; Rodríguez-Malagón, Marlenne; Salas-Flores, Luz María; Samaniego-Herrera, Araceli; Sanchez-Pacheco, Jose Angel; Sheppard, Jacob; Tershy, Bernie R.; Toro-Benito, Jorge; Wolf, Shaye; Wood, Bill (2008). "High-impact Conservation: Invasive Mammal Eradications from the Islands of Western México". Ambio: A Journal of the Human Environment. Royal Swedish Academy of Sciences. 37 (2): 101–7. doi:10.1579/0044-7447(2008)37[101:HCIMEF]2.0.CO;2. PMID 18488552. S2CID 14721860.
  18. ↑ "Island Conservation Publications". Island Conservation. Retrieved 7 May 2021.
  19. ↑ "2020 Annual Report". Retrieved 20 March 2021., Island Conservation, p. 17.
  20. ↑ "Current global AZE members". Alliance for Zero Extinction. Archived from the original on 13 February 2016. Retrieved 11 February 2016.
  21. ↑ "Director's Corner: Partnership to Prevent Extinctions Strengthened, April 28, 2015". United States Fish & Wildlife Service. Archived from the original on 13 February 2016. Retrieved 11 February 2016.
  22. ↑ "Partnership to tackle Pacific pests". Birdlife International. Retrieved 11 February 2016.
  23. ↑ "Advisory Board Members". Island Conservation. Retrieved 20 March 2021.
  24. ↑ "Restoring Anacapa Island: Seabird Habitat". NPS. Retrieved 14 June 2016.
  25. ↑ "Anacapa Island thrives after rat eradication". Los Angeles Times. 2013-03-07. Retrieved 14 June 2016.
  26. ↑ "Rat eradication restores wildlife to Channel island / Hatching of rare seabird gives hope Park Service plan is working". San Francisco Chronicle. 22 June 2003. Retrieved 6 July 2016.
  27. ↑ "Vegetation change following rabbit eradication on Lehua Island, Hawaiian Islands" (PDF). IUCN. Archived from the original (PDF) on 20 December 2016. Retrieved 13 June 2016.
  28. ↑ "Leahua Island Restoration Project". Island Conservation. Retrieved 13 June 2016.
  29. ↑ "Hawadax Island (formerly Rat Island)". USFWS. Archived from the original on 20 January 2022. Retrieved 14 June 2016.
  30. ↑ "'Rat Island' renamed as birds make their comeback". CBS News. Retrieved 30 June 2016.
  31. ↑ Stolzenburg, William (June 19, 2012). Rat Island: Predators in Paradise and the World's Greatest Wildlife Rescue. Bloomsbury USA. ISBN 978-1608193325. Archived from the original on February 15, 2017. Retrieved June 15, 2016.
  32. ↑ "Clearing the cats of San Nicolas Island". Los Angeles Times. 18 March 2012. Retrieved 6 July 2016.
  33. ↑ "Complex effort to rid San Nicolas Island of cats declared a success". Los Angeles Times. 2012-02-26. Retrieved 14 June 2016.
  34. ↑ "San Nicolas Island". NOAA. Retrieved 14 June 2016.
  35. ↑ "Palmyra Atoll Restoration Project Completes Removal of Introduced Rats". The Nature Conservancy. Archived from the original on 18 June 2016. Retrieved 14 June 2016.
  36. ↑ "Rodent Eradication". Lord Howe Island Board. 2015-06-21. Retrieved 14 June 2016.
  37. ↑ "Tetiaroa Atoll". Island Conservation.
  38. ↑ "Update from the field: expedition Acteon Gambier". Ornithological Society of French Polynesia. 2015-06-27. Archived from the original on 2016-10-22. Retrieved 14 June 2016.
  39. ↑ "Rock Islands Southern Lagoon World Heritage Area". UNESCO. Retrieved 14 June 2016.
  40. ↑ "Pacific Invasives Partnership". SPREP. Retrieved 14 June 2016.
  41. ↑ "Invasive Species Council Homepage". Retrieved 14 June 2016.
  42. ↑ "Native Iguanas and Shearwaters saved from invasive mice on Allen Cay". Bahamas National Trust. Archived from the original on 18 June 2016. Retrieved 13 June 2016.
  43. ↑ "Restoring Wildlife Habitat on Desecheo Island". USFWS. Archived from the original on 15 February 2017. Retrieved 13 June 2016.
  44. ↑ "Mona Island Restoration Project". Island Conservation. Retrieved 13 June 2016.
  45. ↑ "Back from the Brink of Extinction". Island Conservation. 2013-07-24. Retrieved 19 June 2016.
  46. ↑ Aguilera, Washington Tapia; Málaga, Jeffreys; Gibbs, James P. (2015-01-14). "Conservation: Giant tortoises hatch on Galapagos island". Nature. 517 (7534): 271. Bibcode:2015Natur.517Q.271A. doi:10.1038/517271a. PMID 25592525.
  47. ↑ "Baby giant tortoises hatch in the Galapagos Islands for first time in a century". Mashable. 15 March 2015. Retrieved 14 June 2016.
  48. ↑ "Baby Tortoises Born On Galapagos Island For The First Time In A Century". Huffington Post. 2015-03-03. Retrieved 14 June 2016.
  49. ↑ "Phase II Galápagos Project: Baiting Pinzón and Plaza Sur Islands". Bell Laboratories. Retrieved 14 June 2016.
  50. ↑ "Ecological Restoration of North Seymour Island Underway Thanks to Rat Removal". Island Conservation. Retrieved 23 January 2019.
  51. ↑ Marris, Emma (2019). "Drones unleashed against invasive rats in the Galápagos". Nature. 565 (7741): 543–544. doi:10.1038/d41586-019-00176-z. PMID 30696964. S2CID 59411257.
  52. ↑ "Drones help Galapagos tackle rat infestation". BBC News. 31 January 2019. Retrieved 31 January 2019.
  53. ↑ "Drones drop poison bombs to fight one island's rat invasions". Wired. Retrieved 23 January 2019.
  54. ↑ "Registran positiva restauración ecológica en isla Choros" (in Spanish). CONAF. Retrieved 14 June 2016.
  55. ↑ "Choros Island Restoration Project". Island Conservation. Retrieved 13 June 2016.
  56. ↑ "Considerations and consequences when conducting aerial broadcast applications during rodent eradications. Island invasives: scaling up to meet the challenge, 71-78" (PDF). ISSG. Archived from the original (PDF) on 6 May 2021. Retrieved 6 May 2021.
  57. ↑ "Considerations and consequences when conducting aerial broadcast applications during rodent eradications. Island invasives: scaling up to meet the challenge, (62), 51". ISSG. Retrieved 6 May 2021.
  58. ↑ Hanson, Chad C.; Jolley, Wesley J.; Smith, Grace; Garcelon, David K.; Keitt, Bradford S.; Little, Annie E.; Campbell, Karl J. (2014). "Feral cat eradication in the presence of endemic San Nicolas Island foxes". Biological Invasions. 17 (4): 977–986. doi:10.1007/s10530-014-0784-0. ISSN 1387-3547. S2CID 29574235.
  59. ↑ Will, D. (10 September 2005). A trap monitoring system to enhance efficiency of feral cat eradication and minimize adverse effects on non-target endemic species on San Nicolas Island. 24th Vertebrate Pest Conference. Sacramento, California. pp. 78–85. Retrieved 6 May 2021.
  60. ↑ Ramsey, D.S.L.; Parkes, J.P.; Hanson, C.C.; Campbell, K.J. (January 1985). "Quantifying the success of feral cat eradication, San Nicolas Island". New Zealand Journal of Ecology. 35 (2): 163–173.
  61. ↑ "Framework for undertaking eradication programs on insular populations of vertebrate pests" (PDF). Island Conservation. Retrieved 6 May 2021.
  62. ↑ "Complex effort to rid San Nicolas Island of cats declared a success". LA Times. 26 February 2012. Retrieved 6 May 2021.
  63. ↑ Samaniego, Araceli; Kappes, Peter; Broome, Keith; Cranwell, Steve; Griffiths, Richard; Harper, Grant; McClelland, Pete; Palmer, Russell; Rocamora, Gérard; Springer, Keith; Will, David; Siers, Shane (2021). "Factors leading to successful island rodent eradications following initial failure". Conservation Science and Practice. 3 (6). doi:10.1111/csp2.404. ISSN 2578-4854.
  64. ↑ Keitt, B.; Griffiths, R.; Boudjelas, S.; Broome, K.; Cranwell, S.; Millett, J.; Pitt, W.; Samaniego-Herrera, A. (2015). "Best practice guidelines for rat eradication on tropical islands". Biological Conservation. 185: 17–26. doi:10.1016/j.biocon.2014.10.014. ISSN 0006-3207.
  65. ↑ "Applying lessons learnt from tropical rodent eradications: a second attempt to remove invasive rats from Desecheo National Wildlife Refuge, Puerto Rico" (PDF). ISSG. Archived from the original (PDF) on 6 May 2021. Retrieved 6 May 2021.
  66. ↑ Campbell, Karl J.; Beek, Joe; Eason, Charles T.; Glen, Alistair S.; Godwin, John; Gould, Fred; Holmes, Nick D.; Howald, Gregg R.; Madden, Francine M.; Ponder, Julia B.; Threadgill, David W.; Wegmann, Alexander S.; Baxter, Greg S. (2015). "The next generation of rodent eradications: Innovative technologies and tools to improve species specificity and increase their feasibility on islands". Biological Conservation. 185: 47–58. doi:10.1016/j.biocon.2014.10.016. ISSN 0006-3207. S2CID 13516546.
  67. ↑ Conservation, Island (2023-05-15). "PRESS RELEASE: Island Conservation and Parallel Flight Technologies partner to revolutionize restoring islands worldwide". Island Conservation. Retrieved 2023-05-19.
  68. ↑ Scudellari, Megan (2019). "Self-destructing mosquitoes and sterilized rodents: the promise of gene drives". Nature. 571 (7764): 160–162. doi:10.1038/d41586-019-02087-5. ISSN 0028-0836. PMID 31289403.
  69. ↑ "Community Drives Restoration of Floreana Island, Galápagos". Island Conservation. 7 November 2018. Retrieved 6 May 2021.
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