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Status and trends of circumpolar peregrine falcon and gyrfalcon populations

Artikel i vetenskaplig tidskrift
Författare A. Franke
K. Falk
K. Hawkshaw
S. Ambrose
D. L. Anderson
P. J. Bente
T. Booms
K. K. Burnham
J. Ekenstedt
I. Fufachev
S. Ganusevich
K. Johansen
J. A. Johnson
S. Kharitonov
P. Koskimies
O. Kulikova
Peter Lindberg
B. O. Lindstr?m
W. G. Mattox
C. L. McIntyre
S. Mechnikova
D. Mossop
S. Moller
O. K. Nielsen
T. Ollila
A. Ostlyngen
I. Pokrovsky
K. Poole
M. Restani
B. W. Robinson
R. Rosenfield
A. Sokolov
V. Sokolov
T. Swem
K. Vorkamp
Publicerad i Ambio
Volym 49
Nummer/häfte 3
Sidor 762-783
ISSN 0044-7447
Publiceringsår 2020
Publicerad vid Institutionen för biologi och miljövetenskap
Sidor 762-783
Språk en
Länkar dx.doi.org/10.1007/s13280-019-01300...
Ämnesord Arctic, CBMP, Falco peregrinus, Falco rusticolus, Long-term trends, Occupancy, Productivity, long-term trends, organochlorine compounds, northwest-territories, migratory movements, nestling mortality, keewatin district, flame, retardants, natural-history, rankin inlet, top predator, Engineering, Environmental Sciences & Ecology
Ämneskategorier Botanik

Sammanfattning

The peregrine falcon (Falco peregrinus) and the gyrfalcon (Falco rusticolus) are top avian predators of Arctic ecosystems. Although existing monitoring efforts are well established for both species, collaboration of activities among Arctic scientists actively involved in research of large falcons in the Nearctic and Palearctic has been poorly coordinated. Here we provide the first overview of Arctic falcon monitoring sites, present trends for long-term occupancy and productivity, and summarize information describing abundance, distribution, phenology, and health of the two species. We summarize data for 24 falcon monitoring sites across the Arctic, and identify gaps in coverage for eastern Russia, the Arctic Archipelago of Canada, and East Greenland. Our results indicate that peregrine falcon and gyrfalcon populations are generally stable, and assuming that these patterns hold beyond the temporal and spatial extents of the monitoring sites, it is reasonable to suggest that breeding populations at broader scales are similarly stable. We have highlighted several challenges that preclude direct comparisons of Focal Ecosystem Components (FEC) attributes among monitoring sites, and we acknowledge that methodological problems cannot be corrected retrospectively, but could be accounted for in future monitoring. Despite these drawbacks, ample opportunity exists to establish a coordinated monitoring program for Arctic-nesting raptor species that supports CBMP goals.

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