Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"natal origin"”.
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Early Life History and Stock Discrimination of Kokanee Salmon (Oncorhynchus nerka) in an Alpine Lake Environment
… Creek, and proposed a framework to determine the natal origin of spawning adults. Monitoring in the spring of 2019 showed spawning adults produced viable eggs that survived the winter with young-of-year emerging episodically in mid-April. The majority of adults avoided spawning in Gold Creek …
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The Impact of Multiple Nursery Areas on the Population Structure of Atlantic Menhaden, <i>Brevooria tyrannus</i>
… were applied to adult menhaden of unknown natal origin that corresponded to these year-classes to determine which nursery is producing the most recruits to the fishable stock. The results indicate that while the Chesapeake Bay still dominates the proportion of age-1 recruits, the Bay's …
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The Contribution of Missouri River Reservoir Side-Channel and Floodplain Habitats to Mainstem Fish Populations: The Effects of Losing Connectivity Between Hipple Lake and Lake Sharpe
… from the 2011 flood. To evaluate Hipple Lake’s natal and adult contribution to Lake Sharpe’s fishery, otolith microchemistry was used to quantify fish movement and natal origins. This data will be used to inform management decisions regarding restoring Hipple Lake’s connectivity to the main …
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Advancements in Isotopic Geolocation Tools for Insect Migration Research
… of 23 metals and metalloids to estimate the natal origins of migratory insects, by investigating the pathways of metal incorporation into butterfly wing tissues. Using an 8-week diet-switching experiment, I show that the concentrations of many metals in insect wings can be altered through the …