Flashcards in Lab 3 Deck (10)
When is beach seining used?
To catch small benthic fish in large numbers
When are backpack electroshockers used?
For streams and shallow rivers
When is trawling used?
Collection of more pelagic fish
Beach seining uses a small seine _-_ feet long. Beach seines are sometimes called ______ seines.
What are the four parts of a beach seine?
Minnow seines have a ___-inch mesh. A __ foot depth is sufficient for minnow seines.
electrofishing is biased towards ______ fish.
What are the three main pieces of gear used during electrofishing?
Give three reasons to use electrofishing.
Sampling surveys, tagging, eliminating species.