نتایج جستجو برای: seasonally

تعداد نتایج: 5393  

Journal: :Nature Climate Change 2019

Journal: :Current Biology 2013
Harold Zakon

Animals may vary in their responsiveness to sensory cues seasonally. The transcriptional regulation of a potassium channel in the hearing organ of a fish explains its seasonally varying sensitivity to acoustic frequencies in its courtship vocalization.

Journal: :Computers & OR 2008
Malick Ndiaye Hesham K. Alfares

Locating public services for nomadic population groups is a difficult challenge as the locations of the targeted populations seasonally change. In this paper, the population groups are assumed to occupy different locations according to the time of the year, i.e., winter and summer. A binary integer programming model is formulated to determine the optimal number and locations of primary health u...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Georg Kaser Martin Grosshauser Ben Marzeion

Although reliable figures are often missing, considerable detrimental changes due to shrinking glaciers are universally expected for water availability in river systems under the influence of ongoing global climate change. We estimate the contribution potential of seasonally delayed glacier melt water to total water availability in large river systems. We find that the seasonally delayed glacie...

The Lo Go-Xa Mat is a national park in the southeastern region of Vietnam, which has a particularly high biodiversity and it includes different wetlands which are unique diverse in species composition. It can be categorized into two types: temporarily-seasonally and permanently flooded wetlands. Ta Not grassy marsh is representative of the seasonally flooded wetland. Whilst the diversity and ec...

Journal: :Mathematical and Computer Modelling 2011
Zilong Wang Qiang Fu Qiuxiang Jiang Tianxiao Li

In view of the insufficiencies of existing research into soil water and heat movements in seasonally frozen soil regions, water–heat coupled movements in seasonally frozen soil were studied by using a numerical simulation method. On the basis of viscous flow theory for liquid water in porous media and the heat balance principle, one-dimensional seasonal frozen soil water–heat coupled movements ...

Journal: :The American journal of clinical nutrition 2010
Mark J Bolland Catherine J Bacon Anne M Horne Barbara H Mason Ruth W Ames Tom Km Wang Andrew B Grey Greg D Gamble Ian R Reid

BACKGROUND Vitamin D insufficiency was shown to be associated with adverse musculoskeletal and nonskeletal outcomes in numerous observational studies. However, some studies did not control for confounding factors such as age or seasonal variation of 25-hydroxyvitamin D [25(OH)D]. OBJECTIVE We sought to determine the effect of vitamin D status on health outcomes. DESIGN Healthy community-dwe...

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