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Environmental Sciences

WWU Graduate School Collection

Theses/Dissertations

2008

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A Spatially Explicit Relative Elevation Model For Padilla Bay, Washington, Peter Kairis Jan 2008

A Spatially Explicit Relative Elevation Model For Padilla Bay, Washington, Peter Kairis

WWU Graduate School Collection

The dynamics that govern the elevation of a coastal wetland relative to sea level are complex, involving non-linear feedbacks among opposing processes. Changes in the balance between these processes can result in significant alterations to vegetation communities that are adapted to a specific range of water levels. Given that the accretion rate in Padilla Bay, Washington, is suspected to be considerably lower than historical levels and that eustatic sea level rise continues to accelerate, the long term sustainability of the Zostera marina (eelgrass) meadows in the bay may be at risk to eventual submergence. I extended an existing Relative Elevation …


Habitat Relationships And Gene Flow Of Martes Americana In Northern Idaho, Tzeidle N. (Tzeidle Nichole) Wasserman Jan 2008

Habitat Relationships And Gene Flow Of Martes Americana In Northern Idaho, Tzeidle N. (Tzeidle Nichole) Wasserman

WWU Graduate School Collection

Forest fragmentation can have a dramatic effect on landscape connectivity and dispersal of animals, potentially reducing gene flow within and among populations. American marten populations (Martes americana) are sensitive to forest fragmentation and the spatial configuration of patches of remnant mature forest has an important impact on habitat quality. This study represents an extensive multiple scale habitat relationships analysis conducted for American marten. In conjunction with Idaho Department of Fish and Game (IDFG) and the U.S. Forest Service, genetic data on marten populations across the Idaho Panhandle National Forest was used to build habitat relationships models. Over 3 years of …