Courtship and copulation in Glaucous-winged Gulls,Larus glaucescens, and the influence of environmental variables

2018 ◽  
Vol 130 (1) ◽  
pp. 270-285
Author(s):  
Kelly M. McWilliams ◽  
Amanda G. Sandler ◽  
Gordon J. Atkins ◽  
Shandelle M. Henson ◽  
James L. Hayward
2010 ◽  
Vol 17 (1) ◽  
pp. 17-30 ◽  
Author(s):  
Katarzyna J. Chwedorzewska

ABSTRACTThe geographic position, astronomic factors (e.g. the Earth’s maximum distance from the Sun during winter), ice cover and altitude are the main factors affecting the climate of the Antarctic, which is the coldest place on Earth. Parts of Antarctica are facing the most rapid rates of anthropogenic climate change currently seen on the planet. Climate changes are occurring throughout Antarctica, affecting three major groups of environmental variables of considerable biological significance: temperature, water, UV-B radiation.Low diversity ecosystems are expected to be more vulnerable to global changes than high diversity ecosystems


2012 ◽  
Author(s):  
Luiz C. J. Perera ◽  
Aida Maria M. Milani ◽  
Roberto Borges Kerr ◽  
Marco Antonio F. Milani Filho

2008 ◽  
Author(s):  
James L. Hayward ◽  
N. A. Verbeek
Keyword(s):  

2008 ◽  
Author(s):  
James L. Hayward ◽  
N. A. Verbeek
Keyword(s):  

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