USGS: Science Topics: effects of climate change

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Effects of climate change

Characteristics and behaviors of organisms and earth systems that are modified as a result of changes in global, regional, or local climate.

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A climate trend analysis of Mali [More info]: Summer rains have remained steady for the past 20 years, but are below the long-term average. Current population and agricultural trends indicate increasing yields have offset population expansion, keeping per capita cereal production steady.
A Climate Trend Analysis of Niger [More info]: While summer rains have increased during the past 20 years, temperatures have increased as well, amplifying the effects of droughts. Crop yields are low but the population is growing, pointing to rising food insecurity.
A climate trend analysis of Senegal [More info]: Modest declines in rainfall, accompanied by increases in air temperatures, declining farmland per person, along with trends in population and agriculture could lead to a 30% reduction in per capita cereal production by 2025.
A climate trend analysis of Sudan [More info]: The data shown here depict drying trends in one of the world's most food insecure regions. Decreasing rainfall since 1980 accompanied increases in air temperature greater than global warming.
A climate trend analysis of Uganda [More info]: Long-term reduction in rainfall and increasing temperature threaten Uganda's future food production prospects; combined with rapid population growth these factors could increase the number of people who are at risk during the next 20 years.
Changing Arctic Ecosystems-Measuring and forecasting the response of Alaska's terrestrial ecosystem to a warming climate [More info]: Combining genetic data with current and predicted climate scenarios, we are modeling the predicted future distributions of wildlife populations in the Arctic and identifying key environmental variables that determine important animal habitat.
Climatic changes and effect on wild sheep habitat [More info]: Preliminary results indicate significant changes in Dall sheep diet accompanying vegetation changes and upslope retreat of glaciers.
DOI Climate Science Centers--Regional science to address management priorities [More info]: Locations of USGS science centers focused on climate change, with a brief description of the scientific focus and regional partner organizations.
U.S. Department of the Interior South Central Climate Science Center [More info]: Explains the goals and strategies to be pursued by this organizational unit of the USGS along with partners and stakeholders.
USGS science for the Nation's changing coasts; Shoreline change assessment [More info]: Shorelines are always changing, yet we use these areas heavily. This shows what we measure and how, to help adapt to changing coastal zones.

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