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University of Massachusetts Amherst

Theses/Dissertations

Critical habitat

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Identifying Critical Fish Habitat And Long-Term Trends In Fish Abundances In The Hudson River Estuary, Megan Patricia O'Connor May 2010

Identifying Critical Fish Habitat And Long-Term Trends In Fish Abundances In The Hudson River Estuary, Megan Patricia O'Connor

Open Access Dissertations

The Hudson River estuary (HRE) is a well monitored aquatic resource and much secondary data exist for this system. We developed two objectives based on accessible HRE aquatic data. The first objective was to determine if changes in HRE fish community over the time period (1974 to 2005) years are correlated to local and regional climate. We addressed this objective by employing a multivariate statistical approach. We confirmed that the HRE fish community structure has changed over the time period (1974 to 2005). These changes are correlated with local hydrology (freshwater flow and water temperature) and regional climate (Atlantic Multidecadal …