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- Historical Baselines in Marine Ecosystem Management: An Ecoregional Approach for the Northern Caribbean09-06-2005
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- ... food webs in the past and potential for predator dominated ecosystems that are only observable today in a few, remnant, unfished reef ecosystems ... take an ecoregional, historical approach to address the issue of overfishing and ecosystem change for the northern Caribbean ecoregion.
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- Historical Baselines in Marine Ecosystem Management: An Ecoregional Approach for the Northern Caribbean09-06-2005
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- ... food webs in the past and potential for predator dominated ecosystems that are only observable today in a few, remnant, unfished reef ecosystems ... take an ecoregional, historical approach to address the issue of overfishing and ecosystem change for the northern Caribbean ecoregion.
- Marine Ecosystems12-28-2009
- "Discusses the health of marine ecosystems and provides links to information about marine biodiversity and programs to protect marine ecosystems."
- The EPA Great Waters Program: An Introduction to the Issues and the Ecosystems: Sisters to the Chesapeake06-12-2009
- "Estuaries are unique and endangered ecosystems that are an important natural and economic resource"
- EPA Biodiversity - Overexploitation of Species12-28-2009
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- ... Erie trout populations have also suffered as a result of overfishing and environmental stress. In addition, overfishing has caused the extinction of blue pike and the decline ...
- Ecosystems Videos Ecosystems Videos | Region 10 | US EPA04-15-2009
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- Focuses on the interconnectedness among different species and their ecosystems, and how our everyday actions affect the environment... Shows the wealth of life in the Puget Sound marine ecosystems.
- Puget Sound Georgia Basin Ecosystem | Region 10 | US EPA11-01-2006
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- ... or the nearshore – is one of the most productive ecosystem types known in addition to wetlands... Downloads Species at Risk in the Puget Sound - Georgia Basin Ecosystem View Map View Data Download PDF Species at Risk in the Puget Sound - Georgia Basin Ecosystem as a Percentage of Native Breeding Species View Graph View ...
- Great Lakes Ecosystem: Lake Strugeon in Detroit River03-09-2006
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- ... Survey Great Lakes Science Center Ann Arbor, Michigan Summary Overfishing and habitat destruction in the early 1900s devastated lake sturgeon ...
- Sisters to the Chesapeake Bay | An Introduction to the Issues and the Ecosystems | The Great Waters Program | Air Quality Planning & Standards | Air & Radiation | US EPA06-12-2009
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- ... chosen to reflect regional differences and a wide variety of ecosystem types... and aesthetic) that are dependent on maintenance of a healthy ecosystem.
- Conservation of Biological Diversity in the Great Lakes Basin Ecosystem: Issues and Opportunities03-09-2006
- "Biological diversity underpins the functional integrity of the Great Lakes basin ecosystem."
- Great Lakes Ecosystem: Conservation of Biological Diversity in the Great Lakes Basin03-09-2006
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- Geologically, the Great Lakes ecosystem is very young and can be thought of as an ... The Great Lakes Ecosystem What is the Great Lakes Ecosystem.