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Ecological Core Concepts -- Human impacts -- Climate change

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View Resource Use of Acacia by Maasai nomadic herders of southern Kenya during drought, and its ecosystem-level consequences.

This collection of twelve photographs illustrates how the Maasai use Acacia during prolonged drought, and the impacts of that use on long-term ecosystem processes. The Maasai are the largest group of nomadic livestock herders in eastern Africa. They greatly contribute to Kenya's beef industry, and cattle are their most important livestock. The Masai live in savanna ecosystems having well-defined...

 

Publisher: EcoEd Digital Library

View Resource Follow the Water.

This short film includes interviews with water researchers and presents basic concepts of hydrologic cycle. Water has many roles in the landscape; sculptor, solvent for minerals, a vector of transport, creates habitats. By following water through the landscape we can see connections between life and the physical environment.

 

Publisher: EcoEd Digital Library

View Resource Changes in Lake Ice: Ecosystem Response to Global Change

This TIEE Data Set presents long term data on changes in dates of ice cover in three Wisconsin lakes. Global temperatures have increased by about 1 degree Fahrenheit during the last century, most likely the result of “greenhouse gases” such as carbon dioxide from burning of gasoline, oil, and coal. There are many environmental consequences of warmer temperatures, some unexpected. One challenge ...

 

Publisher: EcoEd Digital Library

View Resource Issues in Ecology, Issue 09: Water in a Changing World

This report illustrates the disruption of the global water cycle as a result of human activities. The global hydrological cycle’s surface and ground water processes are detailed. The global distribution of freshwater resources and its accessibility to human populations is discussed. The increasing human demand for fresh water sources is addressed, while explaining the differences betwee...

 

Publisher: EcoEd Digital Library

View Resource Issues in Ecology, Issue 12: Impacts of Atmospheric Pollution on Aquatic Ecosystems

This report discusses the three primary categories of atmospheric pollutants of aquatic ecosystems and how their ecological effects impact humans, fish and wildlife. Pollutants of concern such as organic compounds, synthetic fragrances, fluorinated surfactants, flame retardants, mercury, and nutrients are reviewed. The emission, deposition, and fate of atmospheric pollutants are discussed; in...

 

Publisher: EcoEd Digital Library

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