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Filtering by: Committee Member Ramsey, Fred Remove constraint Committee Member: Ramsey, Fred Degree Field Zoology Remove constraint Degree Field: Zoology Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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Early succession in beds of the red alga, Iridaea cornucopiae Post. & Rupr. (Gigartinaceae) : alternate pathways

Creator:

Olson, Annette M.

Abstract:

Multiple successional sequences have been observed following disturbance in communities on marine hard substrata. Observations of the turf-forming alga, Iridaea cornucopiae Post. & Rupr. (Gigartinaceae), suggest that I. cornucopiae may assume its dominance by its ability to vegetatively pre-empt space. High limpet densities in the natural community, suggest that I....

Resource Type:

Masters Thesis
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
Bottom-up and top-down forces in tidepools : the influence of nutrients, herbivores, and wave exposure on community structure

Creator:

Nielsen, Karina Johanna

Abstract:

The relationship between nutrients and community structure is poorly understood in open-coast habitats. I created a system of artificial tidepools, of identical age and physical dimensions, at two sites that differed in wave exposure, and manipulated nutrient levels and the abundance of herbivores. Using these unique field mesocosms, I explored...

Resource Type:

Dissertation
The ecological and behavioral dynamics of breeding in three sympatric anuran amphibians

Creator:

Olson, Deanna H.

Abstract:

Breeding ecology and behavior were investigated in a field study of three sympatric anuran amphibians in the Oregon Cascade Mountains: the western toad (Bufo boreas), the Cascades frog (Rana cascadae) and the Pacific treefrog (Hyla regilla). A comprehensive study of the western toad mating system was conducted at three populations...

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Dissertation

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Academic Affiliation

Zoology4

Advisor

Lubchenco, Jane2
Menge, Bruce2

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1985 to 1999

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Committee Member

Ramsey, Fred[remove]4
Menge, Bruce2
Blaustein, Andrew1
Blaustein, Andy1
Dawson, Pete1
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Creator

Farrell, Terence M.1
Nielsen, Karina Johanna1
Olson, Annette M.1
Olson, Deanna H.1

Date

Date range begin – Date range end

Current results range from 1985 to 1998

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Decade

1990-19991
1980-19893

Degree Field

Zoology[remove]4

Degree Level

Doctoral3
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)1

File Format

application/pdf1

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis1

Rights Statement

Copyright Not Evaluated[remove]4

Subject

Anura -- Breeding1
Biotic communities1
Ecological succession -- Pacific Coast (Or.)1
Intertidal ecology1
Intertidal ecology -- Pacific Coast (Or.) -- Stability1
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