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Seasonal survival and migratory connectivity of a partially migratory wading bird revealed by citizen science. / Allen, Andrew (Corresponding author); Ens, B.J.; Van de Pol, M.; van der Jeugd, H.P.; Frauendorf, M.; Oosterbeek, K.H.; Jongejans, E.

In: Auk, Vol. 136, No. 1, 14.02.2019, p. 1-17.

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@article{80e2a60ad4e5496eb93d04806da31c79,
title = "Seasonal survival and migratory connectivity of a partially migratory wading bird revealed by citizen science",
abstract = "Migratory connectivity describes linkages between breeding and non-breeding areas. An ongoing challenge is tracking avian species between breeding and non-breeding areas and hence estimating migratory connectivity and seasonal survival. Collaborative color-ringing projects between researchers and citizen scientists provide opportunities for tracking the annual movements of avian species. Our study describes seasonal survival and migratory connectivity using data from more than 4,600 individuals with over 51,000 observations, predominantly collected by citizen scientists. Our study focuses on the Eurasian Oystercatcher (Haematopus ostralegus), a species that has experienced a substantial and ongoing decline in recent decades. Multiple threats have been described, and given that these threats vary in space and time, there is an urgent need toestimate demographic rates at the appropriate spatio-temporal scale. We performed a seasonal multi-state (5 geographical areas within The Netherlands) live- and dead-recoveries analysis under varying model structures to account for biological and data complexity. Coastal breeding populations were largely sedentary, while inland breeding populations were migratory and the direction of migration varied among areas, which has not been described previously. Our results indicated that survival was lower during winter than summer and thatsurvival was lower in inland areas compared with coastal areas. A concerning result was that seasonal survival of individuals over-wintering in the Wadden Sea, an internationally important site for over-wintering shorebirds, appeared to decline during the study period. We discuss the outcomes of our study, and how citizen science was integral for conducting this study. Our findings identify how the demographic rates of the oystercatcher vary in space and time, knowledge that is vital for generating hypotheses and prioritizing future research intothe causes of decline.",
keywords = "national",
author = "Andrew Allen and B.J. Ens and {Van de Pol}, M. and {van der Jeugd}, H.P. and M. Frauendorf and K.H. Oosterbeek and E. Jongejans",
note = "6652, AnE, VT; Data Archiving: data archived at Publisher (suppl. info)",
year = "2019",
month = "2",
day = "14",
doi = "10.1093/auk/uky001",
language = "English",
volume = "136",
pages = "1--17",
journal = "Auk",
issn = "0004-8038",
number = "1",

}

RIS

TY - JOUR

T1 - Seasonal survival and migratory connectivity of a partially migratory wading bird revealed by citizen science

AU - Allen, Andrew

AU - Ens, B.J.

AU - Van de Pol, M.

AU - van der Jeugd, H.P.

AU - Frauendorf, M.

AU - Oosterbeek, K.H.

AU - Jongejans, E.

N1 - 6652, AnE, VT; Data Archiving: data archived at Publisher (suppl. info)

PY - 2019/2/14

Y1 - 2019/2/14

N2 - Migratory connectivity describes linkages between breeding and non-breeding areas. An ongoing challenge is tracking avian species between breeding and non-breeding areas and hence estimating migratory connectivity and seasonal survival. Collaborative color-ringing projects between researchers and citizen scientists provide opportunities for tracking the annual movements of avian species. Our study describes seasonal survival and migratory connectivity using data from more than 4,600 individuals with over 51,000 observations, predominantly collected by citizen scientists. Our study focuses on the Eurasian Oystercatcher (Haematopus ostralegus), a species that has experienced a substantial and ongoing decline in recent decades. Multiple threats have been described, and given that these threats vary in space and time, there is an urgent need toestimate demographic rates at the appropriate spatio-temporal scale. We performed a seasonal multi-state (5 geographical areas within The Netherlands) live- and dead-recoveries analysis under varying model structures to account for biological and data complexity. Coastal breeding populations were largely sedentary, while inland breeding populations were migratory and the direction of migration varied among areas, which has not been described previously. Our results indicated that survival was lower during winter than summer and thatsurvival was lower in inland areas compared with coastal areas. A concerning result was that seasonal survival of individuals over-wintering in the Wadden Sea, an internationally important site for over-wintering shorebirds, appeared to decline during the study period. We discuss the outcomes of our study, and how citizen science was integral for conducting this study. Our findings identify how the demographic rates of the oystercatcher vary in space and time, knowledge that is vital for generating hypotheses and prioritizing future research intothe causes of decline.

AB - Migratory connectivity describes linkages between breeding and non-breeding areas. An ongoing challenge is tracking avian species between breeding and non-breeding areas and hence estimating migratory connectivity and seasonal survival. Collaborative color-ringing projects between researchers and citizen scientists provide opportunities for tracking the annual movements of avian species. Our study describes seasonal survival and migratory connectivity using data from more than 4,600 individuals with over 51,000 observations, predominantly collected by citizen scientists. Our study focuses on the Eurasian Oystercatcher (Haematopus ostralegus), a species that has experienced a substantial and ongoing decline in recent decades. Multiple threats have been described, and given that these threats vary in space and time, there is an urgent need toestimate demographic rates at the appropriate spatio-temporal scale. We performed a seasonal multi-state (5 geographical areas within The Netherlands) live- and dead-recoveries analysis under varying model structures to account for biological and data complexity. Coastal breeding populations were largely sedentary, while inland breeding populations were migratory and the direction of migration varied among areas, which has not been described previously. Our results indicated that survival was lower during winter than summer and thatsurvival was lower in inland areas compared with coastal areas. A concerning result was that seasonal survival of individuals over-wintering in the Wadden Sea, an internationally important site for over-wintering shorebirds, appeared to decline during the study period. We discuss the outcomes of our study, and how citizen science was integral for conducting this study. Our findings identify how the demographic rates of the oystercatcher vary in space and time, knowledge that is vital for generating hypotheses and prioritizing future research intothe causes of decline.

KW - national

U2 - 10.1093/auk/uky001

DO - 10.1093/auk/uky001

M3 - Article

VL - 136

SP - 1

EP - 17

JO - Auk

JF - Auk

SN - 0004-8038

IS - 1

ER -

ID: 9104302