Wolf-Dieter N Busch

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Questions related from Wolf-Dieter N Busch

Proof that lake sturgeon will prey on sea lamprey ammocoetes?

Lake sturgeon and sea lamprey ammocoetes occupy similar stream habitats with soft sediments. While sturgeon can reach 30+ years of age, the ammocoetes can be in the sediments 4 to 7 years....

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What are the best and most useful health indicators of the health of wild fish?

For human health we use a number of general and specific tests that help understand the condition of people. Have any such tests been done and tested for fish?

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Is DNA information on the size/strength of a descrete fish population legally useful by fishery managers?

The main metric used to manage harvest is changes in abundance. The various data used are complicated by a number of factors including weather during the harvest period, etc. Can DNA results...

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How accurate are stable isotope analysis for food habit studies instead of stomach content?

I am interested in food habits of yellow American eels in streams and would like to consider stable isotope analysis. I do not know the cost nor how tissue samples need to be preserved. Thanks

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