Weather Mediated Impacts on the Breeding Output of an Afro-Palearctic Migratory Waterbird-Reference-Cited by-同舟云学术

Weather Mediated Impacts on the Breeding Output of an Afro-Palearctic Migratory Waterbird

Published:2016-09 Issue:3 Volume:9 Page:167-173
ISSN:1758-1559
Container-title:Avian Biology Research
language:en
Short-container-title:Avian Biology Research

Author:

Carneiro Camilo¹,Correia Edna¹,Gonçalves David¹²,Brito Rui³,Luís António⁴,Alves José A.⁵⁶

Affiliation:

1. Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal

2. CIBIO – Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal

3. Departamento de Biodiversidade da Ecoinside, Lda., Rua de júlio Dinis, n° 561 – 7° andar - sala 702, 4050-325 Porto

4. Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro

5. CESAM, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal

6. University of Iceland, South Iceland Research Centre, Fjolheimar, Bankavegur, IS-800 Selfoss, Iceland

Abstract

Understanding the consequences of changing environmental conditions on the demographic parameters of migratory species is key for addressing the widely reported declines for many of these species. We explore the variation in reproductive investment and output of Purple Herons ( Ardea purpurea) in two breeding seasons, with very different precipitation levels but similar temperatures. Despite similar investment in egg volume, reproductive output in the drier year was less than half of the wetter year (∼1.9 vs ∼4.1 chicks per pair) due to weather mediated higher predation. The current predictions of erratic precipitation and warming may threaten the breeding output of waterbirds, if water levels are unsuitable during the breeding season.

Publisher

SAGE Publications

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

Link

http://journals.sagepub.com/doi/pdf/10.3184/175815516X14628114851451

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