Global synthesis of conservation studies reveals the importance of small habitat patches for biodiversity
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In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 116, No. 3, 15.01.2019, p. 909-914.
Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Global synthesis of conservation studies reveals the importance of small habitat patches for biodiversity
AU - Wintle, Brendan A.
AU - Kujala, Heini
AU - Whitehead, Amy
AU - Cameron, Alison
AU - Veloz, Sam
AU - Kukkala, Aija
AU - Moilanen, Atte
AU - Gordon, Ascelin
AU - Lentini, Pia E.
AU - Cadenhead, Natasha C. R.
AU - Bekessy, Sarah A.
N1 - Copyright © 2019 the Author(s). Published by PNAS.
PY - 2019/1/15
Y1 - 2019/1/15
N2 - Island biogeography theory posits that species richness increases with island size and decreases with isolation. This logic underpins much conservation policy and regulation, with preference given to conserving large, highly connected areas, and relative ambivalence shown toward protecting small, isolated habitat patches. We undertook a global synthesis of the relationship between the conservation value of habitat patches and their size and isolation, based on 31 systematic conservation planning studies across four continents. We found that small, isolated patches are inordinately important for biodiversity conservation. Our results provide a powerful argument for redressing the neglect of small, isolated habitat patches, for urgently prioritizing their restoration, and for avoiding simplistic application of island biogeography theory in conservation decisions.
AB - Island biogeography theory posits that species richness increases with island size and decreases with isolation. This logic underpins much conservation policy and regulation, with preference given to conserving large, highly connected areas, and relative ambivalence shown toward protecting small, isolated habitat patches. We undertook a global synthesis of the relationship between the conservation value of habitat patches and their size and isolation, based on 31 systematic conservation planning studies across four continents. We found that small, isolated patches are inordinately important for biodiversity conservation. Our results provide a powerful argument for redressing the neglect of small, isolated habitat patches, for urgently prioritizing their restoration, and for avoiding simplistic application of island biogeography theory in conservation decisions.
KW - Zonation
KW - irreplaceability
KW - complementarity
KW - fragmentation
KW - conservation
KW - biodiversity
UR - https://www.pnas.org/content/116/3/909/tab-figures-data
U2 - 10.1073/pnas.1813051115
DO - 10.1073/pnas.1813051115
M3 - Article
C2 - 30530660
VL - 116
SP - 909
EP - 914
JO - Proceedings of the National Academy of Sciences of the United States of America
JF - Proceedings of the National Academy of Sciences of the United States of America
SN - 0027-8424
IS - 3
ER -