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The role of avian predators in an Oregon rocky intertidal community

Creator:

Marsh, Christopher P.

Abstract:

Birds affected the community structure of an Oregon rocky shore by preying upon mussels (Mytilus spp.) and limpets (Collisella spp.). The impact of such predation is potentially great, as mussels are the competitively dominant mid-intertidal space-occupiers, and limpets are important herbivores in this community. Prey selection by birds reflects differences...

Resource Type:

Dissertation

Full Text:

; and Scott Bassett, Tom Fitzgerald, Dick Litts, Eric Magarifugi, Bob McCoy, Bill Sanchez, Dave
Succession and stability in two rocky intertidal communities on the central Oregon coast

Creator:

Farrell, Terence M.

Abstract:

The stability of a limpet-dominated community was assessed in a experiment in which an consumer was temporarily removed. Compared to unmanipulated plots, the limpet-exclusion plots developed greater algal abundance and altered species composition of both algae and barnacles. The community was not perturbed beyond its capacity to recover, since the...

Resource Type:

Dissertation

Full Text:

Rinaldo, Jeff Peterson, Claire Fuller, Jim Morgan, Liz Walsh, Dave Booth, and Brian Tissot influenced me
The effects of biomechanical and ecological factors on population and community structure of wave-exposed, intertidal macroalgae

Creator:

Blanchette, Carol A.

Abstract:

I examined the biomechanical factors that influence the sizes of intertidal macroalgae by studying a population of Fucus gardneri at Fogarty Creek Point, OR. I constructed a mathematical model to predict optimal sizes and probabilities of survival for Fucus under conditions of high and low wave exposure. Predicted optimal sizes...

Resource Type:

Dissertation

Full Text:

present labmates for all their help and camaraderie. Gary Allison, Eric Ber low, Dave Booth, Mark