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Filtering by: Subject Crab pots--Pacific Coast (U.S) Non-Academic Affiliation Oregon Explorer

Marine wetland boundary definition : evaluation of methodology

Creator:

Eilers, H. Peter, Taylor, Alan, Sanville, William, and Corvallis Environmental Research Laboratory

Abstract:

With legislation to protect wetlands and current pressures to convert them to other uses, it is often necessary to accurately determine a wetland-upland boundary. We investigated 6 methods to establish such a boundary based on vegetation. Each method was applied to a common data set obtained from 295 quadrats along...

Resource Type:

Technical Report

Full Text:

vegetation; and (4) provide appropriate plant lists and computer software to apply methodology to Pacific
Use of tethered prey for estimating the impact of the invasive European green crab

Creator:

Hauck, Laura L.

Abstract:

Various mollusks, including small bivalves and gastropod snails, are a common food source for intertidal crabs. Prey opening techniques used on hard-shell prey are dependent on claw size and morphology. For example, large, strong claws can crush a snail outright while smaller, weaker claws leave characteristic peels, pulls and upper...

Resource Type:

Undergraduate Thesis

Full Text:

European green crab and five common native Pacific Northwest crab species on three size classes of the