نتایج جستجو برای: climate effects

تعداد نتایج: 1688884  

2015
Brooke E. Penaluna Jason B. Dunham Steve F. Railsback Ivan Arismendi Sherri L. Johnson Robert E. Bilby Mohammad Safeeq Arne E. Skaugset James P. Meador

Land use and climate change occur simultaneously around the globe. Fully understanding their separate and combined effects requires a mechanistic understanding at the local scale where their effects are ultimately realized. Here we applied an individual-based model of fish population dynamics to evaluate the role of local stream variability in modifying responses of Coastal Cutthroat Trout (Onc...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Susana Bernal Lars O Hedin Gene E Likens Stefan Gerber Don C Buso

Climate exerts a powerful influence on biological processes, but the effects of climate change on ecosystem nutrient flux and cycling are poorly resolved. Although rare, long-term records offer a unique opportunity to disentangle effects of climate from other anthropogenic influences. Here, we examine the longest and most complete record of watershed nutrient and climate dynamics available worl...

2008
Hans Peter Peters Harald Heinrichs

For at least a decade, global climate change has been a very important topic in German mass media coverage. Theories of media effects such as “cultivation” and “agenda setting” lead us to expect that climate change reporting will have an impact on the risk perception of the media audience. Furthermore, because of the medialization of politics, media reporting of climate change may be assumed to...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2016
Habacuc Flores-Moreno Peter B Reich Eric M Lind Lauren L Sullivan Eric W Seabloom Laura Yahdjian Andrew S MacDougall Lara G Reichmann Juan Alberti Selene Báez Jonathan D Bakker Marc W Cadotte Maria C Caldeira Enrique J Chaneton Carla M D'Antonio Philip A Fay Jennifer Firn Nicole Hagenah W Stanley Harpole Oscar Iribarne Kevin P Kirkman Johannes M H Knops Kimberly J La Pierre Ramesh Laungani Andrew D B Leakey Rebecca L McCulley Joslin L Moore Jesus Pascual Elizabeth T Borer

Ecosystem eutrophication often increases domination by non-natives and causes displacement of native taxa. However, variation in environmental conditions may affect the outcome of interactions between native and non-native taxa in environments where nutrient supply is elevated. We examined the interactive effects of eutrophication, climate variability and climate average conditions on the succe...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2002
Roger A Pielke Gregg Marland Richard A Betts Thomas N Chase Joseph L Eastman John O Niles Dev Dutta S Niyogi Steven W Running

Our paper documents that land-use change impacts regional and global climate through the surface-energy budget, as well as through the carbon cycle. The surface-energy budget effects may be more important than the carbon-cycle effects. However, land-use impacts on climate cannot be adequately quantified with the usual metric of 'global warming potential'. A new metric is needed to quantify the ...

Barati Kahrizsangi, Mojghan, Fazljoo, Seyede Elham, Nasiriani, Khadijeh,

The ethical climate in hospitals can influence nurses' ethical decisions. In other words, in the hospital where the nurse cannot use his moral courage, the patient's rights and interests are gradually ignored. Therefore, the aim of this study was to determine the relationship between perception of ethical climate and moral courage of nurses working in hospitals affiliated to Shahid Sadoughi Uni...

Journal: :American journal of respiratory and critical care medicine 2014
Mary B Rice George D Thurston John R Balmes Kent E Pinkerton

Recent changes in the global climate system have resulted in excess mortality and morbidity, particularly among susceptible individuals with preexisting cardiopulmonary disease. These weather patterns are projected to continue and intensify as a result of rising CO2 levels, according to the most recent projections by climate scientists. In this Pulmonary Perspective, motivated by the American T...

2012
Aravind Moorthy Wolfgang Buermann Deepak Rajagopal

The study of climate change impacts on Indian agriculture has gained recent attention, due to the size of India’s agricultural sector, and reports suggesting that developing countries are more vulnerable to negative climate change effects. Studies in India have focused on predicting future trends using standard climate change scenarios from externally developed models. However, these studies ar...

Journal: :Annals of internal medicine 2016
Ryan A Crowley

Climate change could have a devastating effect on human and environmental health. Potential effects of climate change on human health include higher rates of respiratory and heat-related illness, increased prevalence of vector-borne and waterborne diseases, food and water insecurity, and malnutrition. Persons who are elderly, sick, or poor are especially vulnerable to these potential consequenc...

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