Supplementary material from "Covariation in population trends and demography reveals targets for conservation action"
Posted on 2021-02-18 - 13:15
Wildlife conservation policies directed at common and widespread, but declining, species are difficult to design and implement effectively, as multiple environmental changes are likely to contribute to population declines. Conservation actions ultimately aim to influence demographic rates, but targeting actions towards feasible improvements in these is challenging in widespread species with ranges that encompass a wide range of environmental conditions. Across Europe, sharp declines in the abundance of migratory landbirds have driven international calls for action, but actions that could feasibly contribute to population recovery have yet to be identified. Targeted actions to improve conditions on poor-quality sites could be an effective approach, but only if local conditions consistently influence local demography and hence population trends. Using long-term measures of abundance and demography of breeding birds at survey sites across Europe, we show that co-occurring species with differing migration behaviours have similar directions of local population trends and magnitudes of productivity, but not survival rates. Targeted actions to boost local productivity within Europe, alongside large-scale (non-targeted) environmental protection across non-breeding ranges, could therefore help address the urgent need to halt migrant landbird declines. Such demographic routes to recovery are likely to be increasingly needed to address global wildlife declines.
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Morrison, Catriona A.; Butler, Simon J.; Robinson, Robert A.; Clark, Jacquie A.; Arizaga, Juan; Aunins, Ainars; et al. (2021). Supplementary material from "Covariation in population trends and demography reveals targets for conservation action". The Royal Society. Collection. https://doi.org/10.6084/m9.figshare.c.5309947.v1
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AUTHORS (30)
CM
Catriona A. Morrison
SB
Simon J. Butler
RR
Robert A. Robinson
JC
Jacquie A. Clark
JA
Juan Arizaga
AA
Ainars Aunins
OB
Oriol Baltà
JC
Jaroslav Cepák
TC
Tomasz Chodkiewicz
VE
Virginia Escandell
RF
Rudd P. B. Foppen
RG
Richard D. Gregory
MH
Magne Husby
FJ
Frédéric Jiguet
JK
John Atle Kålås
AL
Aleksi Lehikoinen
ÅL
Åke Lindström
CM
Charlotte M. Moshøj
KN
Károly Nagy
AN
Arantza Leal Nebot