Individual Growth and Dynamics of Living and Extinct Soft Shell Clam (Mya Arenaria) Populations in Grays Harbor, Washington, and Ecological Interactions with Dungeness Crab (Cancer Magister) PDF Download
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Author: Raul Palacios
Publisher:
ISBN:
Category : Dungeness crab
Languages : en
Pages : 420
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Book Description
Author: Raul Palacios
Publisher:
ISBN:
Category : Dungeness crab
Languages : en
Pages : 420
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Book Description
Author: University of Washington. School of Fisheries
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 156
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 770
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Book Description
Author: University of Washington. School of Fisheries
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 154
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Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 800
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Author: Carly Ann Strasser
Publisher:
ISBN:
Category : Animal ecology
Languages : en
Pages : 138
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Book Description
In this dissertation, I explored metapopulation dynamics and population connectivity, with a focus on the softshell clam, Mya arenaria. I first worked towards developing a method for using elemental signatures retained in the larval shell as a tag of natal habitat. I designed and implemented an experiment to determine whether existing methods commonly used for fishes would be applicable to bivalves. I found that the instrumentation and setup I used were not able to isolate and measure the first larval shell of M. arenaria. In concert with developing this method for bivalves, I reared larval M. arenaria in the laboratory under controlled conditions to understand the environmental and biological factors that may influence elemental signatures in shell. My results show that growth rate and age have significant effects on juvenile shell composition, and that temperature and salinity affect larval and juvenile shell composition in variable ways depending on the element evaluated. I also examined the regional patterns of diversity over the current distribution of M. arenaria using the mitochondrial gene, cytochrome oxidase I (COI). I found minimal variability across all populations sampled, suggesting a recent population expansion in the Northwest Atlantic. Finally, I employed theoretical approaches to understand patch dynamics in a two-patch metapopulation when one patch is of high quality and the other low quality. I developed a matrix metapopulation model and compared growth rate elasticity to patch parameters under variable migration scenarios. I then expanded the model to include stochastic disturbance. I found that in many cases, the spatial distribution of individuals within the metapopulation affects whether growth rate is most elastic to parameters in the good or bad patch.
Author: Osgood Reuel Smith
Publisher:
ISBN:
Category : Bivalves
Languages : en
Pages : 16
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Book Description
Author: Caitlin Mary Bovery
Publisher:
ISBN:
Category : Clams
Languages : en
Pages : 82
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Book Description
Author: William N. Shaw
Publisher:
ISBN:
Category : Clams
Languages : en
Pages : 16
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Author: Canada. Department of Fisheries and Oceans
Publisher:
ISBN:
Category : American oyster
Languages : en
Pages : 88
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Book Description
This literature review summarizes results from studies on Softshell Clams (Mya arenaria) and Eastern Oysters (Crassostrea virginica). The main objective of the review is to provide a comprehensive outlook of potential interactions between wild and cultivated bivalves in temperate estuaries. The review first describes the biology (e.g.: life cycle, feeding habits) and ecology (e.g.: habitat, distribution, competition, predation) of both species. Effects from pathogens are also reviewed. The review then focuses on potential interactions between natural populations of the two species. Potential interactions between cultivated Eastern Oyster and wild Softshell Clam populations are finally presented.
