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A review of allodiversity in Lake Naivasha, Kenya: developing conservation actions to protect East African lakes from the negative impacts of alien species

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A review of allodiversity in Lake Naivasha, Kenya : developing conservation actions to protect East African lakes from the negative impacts of alien species. / Gherardi, Francesca; Britton, J. Robert; Mavuti, Kenneth M; Pacini, Nic; Grey, Jonathan; Tricarico, Elena; Harper, David .

In: Biological Conservation, Vol. 144, No. 11, 11.2011, p. 2585-2596.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Gherardi, F, Britton, JR, Mavuti, KM, Pacini, N, Grey, J, Tricarico, E & Harper, D 2011, 'A review of allodiversity in Lake Naivasha, Kenya: developing conservation actions to protect East African lakes from the negative impacts of alien species', Biological Conservation, vol. 144, no. 11, pp. 2585-2596. https://doi.org/10.1016/j.biocon.2011.07.020

APA

Gherardi, F., Britton, J. R., Mavuti, K. M., Pacini, N., Grey, J., Tricarico, E., & Harper, D. (2011). A review of allodiversity in Lake Naivasha, Kenya: developing conservation actions to protect East African lakes from the negative impacts of alien species. Biological Conservation, 144(11), 2585-2596. https://doi.org/10.1016/j.biocon.2011.07.020

Vancouver

Author

Gherardi, Francesca ; Britton, J. Robert ; Mavuti, Kenneth M ; Pacini, Nic ; Grey, Jonathan ; Tricarico, Elena ; Harper, David . / A review of allodiversity in Lake Naivasha, Kenya : developing conservation actions to protect East African lakes from the negative impacts of alien species. In: Biological Conservation. 2011 ; Vol. 144, No. 11. pp. 2585-2596.

Bibtex

@article{e8507b6f6b704839a8b924ee87a94285,
title = "A review of allodiversity in Lake Naivasha, Kenya: developing conservation actions to protect East African lakes from the negative impacts of alien species",
abstract = "The biodiversity of developing countries is increasingly threatened by introductions of invasive alien species. This study on the allodiversity in Lake Naivasha, Kenya reviews the pathways, establishment rates and outcomes of introduced species, and provides the basis for determining conservation actions that, if implemented, could prevent potentially harmful effects of similar events in other East African lakes. Introductions into Naivasha commenced in the 1920s with the release of a sport fish and have since produced an allodiversity of 23 species. This includes species that are no longer present (e.g., some tilapia species), presumed no longer present (e.g., the Nile perch Lates niloticus) or whose distribution is highly localised and ecologically neutral (e.g., the coypu Myocastor coypus). It also includes species that established successfully and invoked major changes in lake ecology (e.g., the red swamp crayfish Procambarus clarkii) and a species that is producing apparent economic benefits to the local population (i.e., the common carp Cyprinus carpio). The most frequent donor continents were the Americas and most species were the result of secondary introductions. The main introduction vector was active release that aimed to enhance fishery production. Alien species now dominate each main level of the lake{\textquoteright}s food web and produce impacts that are rarely restricted to a single ecosystem service. With a few exceptions, the majority of introductions translate into socioeconomic costs that contribute to rising social conflicts and exacerbating poverty. Development of appropriate conservation management tools within a regulatory framework could help protect Naivasha from further damage and could be used elsewhere in East African lakes to ensure that subsequent introductions enhance ecosystem services without affecting biodiversity.",
author = "Francesca Gherardi and Britton, {J. Robert} and Mavuti, {Kenneth M} and Nic Pacini and Jonathan Grey and Elena Tricarico and David Harper",
year = "2011",
month = nov,
doi = "10.1016/j.biocon.2011.07.020",
language = "English",
volume = "144",
pages = "2585--2596",
journal = "Biological Conservation",
issn = "0006-3207",
publisher = "Elsevier Ltd",
number = "11",

}

RIS

TY - JOUR

T1 - A review of allodiversity in Lake Naivasha, Kenya

T2 - developing conservation actions to protect East African lakes from the negative impacts of alien species

AU - Gherardi, Francesca

AU - Britton, J. Robert

AU - Mavuti, Kenneth M

AU - Pacini, Nic

AU - Grey, Jonathan

AU - Tricarico, Elena

AU - Harper, David

PY - 2011/11

Y1 - 2011/11

N2 - The biodiversity of developing countries is increasingly threatened by introductions of invasive alien species. This study on the allodiversity in Lake Naivasha, Kenya reviews the pathways, establishment rates and outcomes of introduced species, and provides the basis for determining conservation actions that, if implemented, could prevent potentially harmful effects of similar events in other East African lakes. Introductions into Naivasha commenced in the 1920s with the release of a sport fish and have since produced an allodiversity of 23 species. This includes species that are no longer present (e.g., some tilapia species), presumed no longer present (e.g., the Nile perch Lates niloticus) or whose distribution is highly localised and ecologically neutral (e.g., the coypu Myocastor coypus). It also includes species that established successfully and invoked major changes in lake ecology (e.g., the red swamp crayfish Procambarus clarkii) and a species that is producing apparent economic benefits to the local population (i.e., the common carp Cyprinus carpio). The most frequent donor continents were the Americas and most species were the result of secondary introductions. The main introduction vector was active release that aimed to enhance fishery production. Alien species now dominate each main level of the lake’s food web and produce impacts that are rarely restricted to a single ecosystem service. With a few exceptions, the majority of introductions translate into socioeconomic costs that contribute to rising social conflicts and exacerbating poverty. Development of appropriate conservation management tools within a regulatory framework could help protect Naivasha from further damage and could be used elsewhere in East African lakes to ensure that subsequent introductions enhance ecosystem services without affecting biodiversity.

AB - The biodiversity of developing countries is increasingly threatened by introductions of invasive alien species. This study on the allodiversity in Lake Naivasha, Kenya reviews the pathways, establishment rates and outcomes of introduced species, and provides the basis for determining conservation actions that, if implemented, could prevent potentially harmful effects of similar events in other East African lakes. Introductions into Naivasha commenced in the 1920s with the release of a sport fish and have since produced an allodiversity of 23 species. This includes species that are no longer present (e.g., some tilapia species), presumed no longer present (e.g., the Nile perch Lates niloticus) or whose distribution is highly localised and ecologically neutral (e.g., the coypu Myocastor coypus). It also includes species that established successfully and invoked major changes in lake ecology (e.g., the red swamp crayfish Procambarus clarkii) and a species that is producing apparent economic benefits to the local population (i.e., the common carp Cyprinus carpio). The most frequent donor continents were the Americas and most species were the result of secondary introductions. The main introduction vector was active release that aimed to enhance fishery production. Alien species now dominate each main level of the lake’s food web and produce impacts that are rarely restricted to a single ecosystem service. With a few exceptions, the majority of introductions translate into socioeconomic costs that contribute to rising social conflicts and exacerbating poverty. Development of appropriate conservation management tools within a regulatory framework could help protect Naivasha from further damage and could be used elsewhere in East African lakes to ensure that subsequent introductions enhance ecosystem services without affecting biodiversity.

U2 - 10.1016/j.biocon.2011.07.020

DO - 10.1016/j.biocon.2011.07.020

M3 - Journal article

VL - 144

SP - 2585

EP - 2596

JO - Biological Conservation

JF - Biological Conservation

SN - 0006-3207

IS - 11

ER -