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Filtering by: Creator Barros, A. M. Advisor Yamada, Sylvia Non-Academic Affiliation Oregon Explorer

The Distribution and Abundance of a Non-native Eelgrass, Zostera japonica, in Oregon Estuaries

Creator:

Dudoit, Chana Makale’a

Abstract:

Biological introductions may considerably alter the composition and community dynamics of invaded areas thereby changing many ecosystem processes including productivity, decomposition, nutrient cycling and hydrology. The effects on native species may be obscured by a lack of information on distribution and abundance patterns. The Japanese eelgrass, Zostera japonica, was introduced...

Resource Type:

Undergraduate Thesis

Full Text:

beds. The percent cover of Z. japonica was taken at 10-m intervals using a 50x50-cm quadrat. In
Rate of prey consumption in two intertidal crab species : the introduced European green crab, Carcinus maenas, and native dungeness crab, Cancer magister

Creator:

Davidson, Timothy Mathias

Abstract:

The prey consumption rates of two estuarine crab species were compared: the introduced Carcinus maenas and the native Cancer magister. Similar sized crabs of each species were placed into individual perforated plastic boxes and then placed in a seawater table. Each crab was offered 50 Mytilus trossulus mussels (15-25mm) per...

Resource Type:

Undergraduate Thesis

Full Text:

then placed in a seawater table. Each crab was offered 50 Mytilus trossulus mussels (15-25mm) per day