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RNR 1010 Final Exam Questions & Answers 2024/2025
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RNR 1010 Final Exam Questions & Answers 2024/2025 Bycatch - ANSWERS-non-target organisms retained by the gear -most returned as economic discards, mortality dependent on gear type and organism type caught (crustaceans not as affected) Chesapeake bay problems - ANSWERSpervasive pollution, l...

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  • 11 de octubre de 2024
  • 10
  • 2024/2025
  • Examen
  • Preguntas y respuestas

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  • rnr 1010 final exam questions answers

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  • RNR 1010
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RNR 1010 Final Exam Questions &
Answers 2024/2025

Bycatch - ANSWERS-non-target organisms retained by the gear

-most returned as economic discards, mortality dependent on gear type and organism type caught
(crustaceans not as affected)



Chesapeake bay problems - ANSWERSpervasive pollution, loss of vegetation, deep water trawling are
endemic to this bay



Coccolithophores - ANSWERSPhytoplankton covered by a number of tiny calcium carbonate plates;
climate change indicator, since the plates degrade from acidification



Coral reefs - ANSWERScolonies of small polyps in the phylum Cnidaria, most obtain energy and nutrients
from symbiotic dinoflagellates called zooxanthellae



Coral reef problems - ANSWERSclimate change, coral bleaching, chronic stress, sedimentation, are all
causing problems for this type of organism



Derby fishing - ANSWERSCatch as many fish in a limited time span, usually during a period
determinedned by fishing regulations



Dungeness Crab - ANSWERSmale only harvest



Economic discard - ANSWERSdiscarded because there is no economical value to keeping it



EEZ - ANSWERSarea of ocean that extends from the coast in which a state has special economic rights;
expanded into the Gulf of Mexico by 200 miles from Louisiana border recently as an experiment by the
federal government

, Fisheries Management Options - ANSWERSgear limits, fishing locations, fishing period duration can all be
used for this



Fisheries Management Plan - ANSWERSRegional Council for all commercially exploited stocks

-habitat diversity

-stock assessments

-commercial fishing regulations



Individual Transferrable Rights - ANSWERS-reduce problems with derby fishing in open access fisheries

-limits on gear, fishing locations, fishing times

-safer, better profits, fresh product



Limited entry - ANSWERSused with ITR programs



Magnuson-Stevens Fishery Conservation and Management Act 2006 - ANSWERSact that aims to prevent
overfishing and maintain sustainable, economically productive fish stocks



Marine Mammal Protection Act 1972 - ANSWERSact that targeted Dolphin bycatch issues; reduced
bycatch of Dolphins to insignificant levels approaching zero



Monkfish - ANSWERSHistorically overfished fishery; limiting the number of vessels with access to this
fishery, allocating days-at-sea to those vessels, and setting trip limits to prevent overfishing



Overfishing - ANSWERStechnology, demand, lack of effective management causes this problem in
fisheries



Ocean acidification - ANSWERSdecalcification of shelled organisms, loss of carbonate ions for shell
building is caused by this



BRDs - ANSWERS-bycatch reduction devices (BRDs) required for all shrimpers in federal waters

-many designs, all based on relative shrimp/fish swimming abilities

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