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Community ecology
Study of the relationships of species that interact in a common area.
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PDF Beyond the Golden Gate--oceanography, geology, biology, and environmental issues in the Gulf of the Farallones [New Window]
A geologic and oceanographic study of the waters and Continental Shelf of Gulf of the Farallones adjacent to the San Francisco Bay region. The results of the study provide a scientific basis to evaluate and monitor human impact on the marine environment.
Biological soil crusts [New Window]
Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
Coastal habitats in Puget Sound [New Window]
Declines in fish and wildlife populations, water-quality issues, and changes in coastal habitats have prompted this USGS study of the region's nearshore life and environment. Includes links to data from published reports.
Geographic Analysis and Monitoring Program [New Window]
Geographic Analysis and Monitoring Program (GAM) conducts studies about land surface change, environmental and human health, fire and urban ecology, and natural hazards to help decision-makers in land-use planning and land management.


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