نتایج جستجو برای: climatic change

تعداد نتایج: 615299  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Anthony D Barnosky Christopher J Bell Steven D Emslie H Thomas Goodwin Jim I Mead Charles A Repenning Eric Scott Alan B Shabel

Mid-Pleistocene vertebrates in North America are scarce but important for recognizing the ecological effects of climatic change in the absence of humans. We report on a uniquely rich mid-Pleistocene vertebrate sequence from Porcupine Cave, Colorado, which records at least 127 species and the earliest appearances of 30 mammals and birds. By analyzing >20,000 mammal fossils in relation to modern ...

2014
Annette Leingärtner Bernhard Hoiss Jochen Krauss Ingolf Steffan-Dewenter

Climatic extreme events can cause the shift or disruption of plant-insect interactions due to altered plant quality, e.g. leaf carbon to nitrogen ratios, and phenology. However, the response of plant-herbivore interactions to extreme events and climatic gradients has been rarely studied, although climatic extremes will increase in frequency and intensity in the future and insect herbivores repr...

Journal: :Environmental Modeling & Assessment 2015

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :Geographical Review of Japan 1943

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