RNR 2102 Exam 3_ Fish & Wildlife Sampling.

RNR 2102 Exam 3: Fish & Wildlife
Sampling
(T or F) Result from electrofishing can be considered as an estimate of fish
density. - CORRECT ANSWER-F

(T or F) The pulse frequency of electrofishing can be selected to target a certain
fish species or size. - CORRECT ANSWER-T

(T or F) Toxicants such as rotenone is appropriate in fast moving water because
they can be spread quickly. - CORRECT ANSWER-F

(T or F) Rotenone kills fish that cannot be consumed later because of poisonous
residue - CORRECT ANSWER-F

(T or F) Primacord is the brand name of a toxicant for killing fish. - CORRECT
ANSWER-F

Identify all active gear - CORRECT ANSWER-Seine, trawl, backpack
electrofisher, Dip net, Hess Sampler, ponar grab, eckman's dredge

Identify all passive gear - CORRECT ANSWER-Gill net, hoop net, fyke net, traps

Which of the following items is not measured by a hydrolab?
a. Water temperature.
b. Substrate physical properties
c. Conductivity.
d. pH.
e. Dissolved oxygen. - CORRECT ANSWER-B

What is the biggest problem in sampling animal populations? - CORRECT
ANSWER-They aren't trees.
They move