نتایج جستجو برای: climatic effects
تعداد نتایج: 1570314 فیلتر نتایج به سال:
In Mediterranean grasslands, the composition of vegetation and its nutritional quality for animals are strongly affected by climatic conditions prevailing during winter spring. Therefore, these seasonal ecosystems provide an opportunity to examine how variability in affects regeneration pasture vegetation. The intensity grazing this system can moderate, or alternatively exacerbate, effects on H...
BACKGROUND Although some authors have suggested that there is some seasonal periodicity of hemoptysis, or relation to respiratory tract infections, the association of influenza or climatic parameters with hemoptysis has been poorly investigated. Our aim was to describe the relationship between influenza and climatic parameters with severe hemoptysis that required bronchial artery embolization (...
Organisms face continual fluctuations in global climatic processes to which they must adapt or perish. Considering that many species are key habitat formers and energy producers, such responses to climate change can have significant population, community and even ecosystem consequences. Paleo-records of ecosystem responses to past environmental variability have proven invaluable for studying im...
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