Results 221 to 230 of about 11,597 (258)

A general theory of avian migratory connectivity [PDF]

open access: yesEcology Letters, 2021
Abstract Birds exhibit a remarkable array of seasonal migrations. Despite much research describing migratory behaviour, the underlying forces driving how a species’ breeding and wintering populations redistribute each year, that is, migratory connectivity, remain largely unknown.
Marius Somveille   +2 more
exaly   +8 more sources

Comprehensive estimation of spatial and temporal migratory connectivity across the annual cycle to direct conservation efforts [PDF]

open access: yesEcography, 2021
Migratory connectivity is the degree to which populations are linked in space and time across the annual cycle. Low connectivity indicates mixing of populations while high connectivity indicates population separation in space or time.
Elly C Knight   +2 more
exaly   +2 more sources
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Assessing migratory connectivity for a long‐distance migratory bird using multiple intrinsic markers

Ecological Applications, 2014
Patterns of migratory connectivity are a vital yet poorly understood component of the ecology and evolution of migratory birds. Our ability to accurately characterize patterns of migratory connectivity is often limited by the spatial resolution of the data, but recent advances in probabilistic assignment approaches have begun pairing stable isotopes ...
Clark S Rushing   +2 more
exaly   +4 more sources

Low migratory connectivity is common in long‐distance migrant birds [PDF]

open access: yesJournal of Animal Ecology, 2017
Summary Estimating how much long‐distance migrant populations spread out and mix during the non‐breeding season (migratory connectivity) is essential for understanding and predicting population dynamics in the face of global change. We quantify variation in population spread and inter‐population mixing in long‐distance, terrestrial migrant land‐bird
Tom Finch   +2 more
exaly   +6 more sources

Links between worlds: unraveling migratory connectivity

Trends in Ecology and Evolution, 2002
Migration is the regular seasonal movement of animals from one place to another, often from a breeding site to a nonbreeding site and back. Because the act of migration makes it difficult to follow individuals and populations year round, our understanding of the ecology and evolution of migrating organisms, particularly birds, has been severely impeded.
Michael S Webster   +2 more
exaly   +2 more sources

THE PAST AND PRESENT OF MIGRATORY CONNECTIVITY

Ornithological Monographs, 2006
degree to which two or more periods of the annual cycle are geographically linked. The term was first proposed by a group of scientists during a workshop on "Connectivity of Migratory Birds" in October 2000 sponsored by the National Science Foundation (Webster et al. 2002, Rubenstein and Hobson 2004).
Marylène Boulet, D. Ryan Norris
openaire   +1 more source

Migratory connectivity of a Neotropical migratory songbird revealed by archival light‐level geolocators

Ecological Applications, 2015
Understanding migratory connectivity is critical for interpreting population dynamics, seasonal interactions, and for the implementation of conservation strategies of migratory species. We evaluated the migratory connectivity of a Neotropical migratory songbird, the Ovenbird (Seiurus aurocapilla) using archival light‐level geolocators deployed at two ...
Hallworth, Michael T.   +4 more
openaire   +3 more sources

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