La Tour du Valat

Article

Consequences of breeding system for body condition and survival throughout the annual cycle of tidal marsh sparrows

Alyssa Borowske, Auteur ; Christopher R. Field, Auteur ; Katharine J. Ruskin, Auteur ; Chris S. Elphick, Auteur

Dans Journal of Avian Biology (49(4) April 2018)

An individual's body condition and probability of survival can change throughout the annual cycle, based on the combined effects of many factors, including reproductive investment during breeding, colder temperatures during winter, and elevated [...]

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Article

Factors that influence vital rates of Seaside and Saltmarsh sparrows in coastal New Jersey, USA

Samuel G. Roberts, Auteur ; Rebecca A. Longenecker, Auteur ; Matthew A. Etterson, Auteur ; Katharine J. Ruskin, Auteur ; Chris S. Elphick, Auteur ; Brian J. Olsen, Auteur ; W. Gregory Shriver, Auteur

Dans Journal of Field Ornithology (88(2) June, 2017)

As saltmarsh habitat continues to disappear, understanding the factors that influence the population dynamics of saltmarsh breeding birds is an important step in the conservation of these declining species. Using 5 yrs (2011–2015) of demographic[...]

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