Describe how freshwater ecosystems face challenges of global climate change

What will be an ideal response?


In regions where climate change increases precipitation and stream flow, erosion and flooding could threaten the structure and function of aquatic systems. Where human activities have altered the landscape, flooding could bring increased pollution. In regions where precipitation decreases, water bodies could shrink, affecting organisms in these habitats, as well as human health and well-being. Also, low-lying coastal wetlands, such as the Florida Everglades and Gulf coast marshlands, will very likely make a transition either to brackish water ecosystems or even marine ecosystems as seal levels rise.

Environmental & Atmospheric Sciences

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If precipitation and soil moisture are inadequate to meet potential evapotranspiration demands, the moisture condition is described as

A) actual evapotranspiration. B) a surplus. C) a deficit. D) soil moisture utilization.

Environmental & Atmospheric Sciences

What happens to rain water that does not end up becoming surface water, getting evaporated, or transpired back into the atmosphere by plants?

A. It becomes groundwater. B. It is lost to outer space. C. It is transformed into solid minerals. D. It is absorbed by impermeable surfaces like roads and parking lots.

Environmental & Atmospheric Sciences

The tropical rainforest terrestrial ecosystem has been disturbed by human activity more than any other

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

During the past half-century, global food production has ________ world population growth

A) surpassed by several orders of magnitude B) stayed about even with C) fallen behind D) fallen to critical levels compared to E) grown at a faster rate than

Environmental & Atmospheric Sciences