Outline for the Day. Lingering Questions? Reading Quiz 2 and Announcement of Other Quiz Discussion of Worm et al. 2006 Fisheries Crisis Lecture Break Foraging Behavior and Diets Lecture Diet Analysis Lab. Reading Quiz 2. Discussion Topics. Are MPA’s the Answer? WTF Mate?.
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Logistic Growth Equation
Maximum Sustainable Yield
Populations influenced by other forces
MSY is "perfect condition"
Bluefin and other tuna species were relatively unregulated until the 1980s, in part due to it being an international fishery
Lobbyists convince commission to reduce fishing by 55% instead of a ban
Rest of CFL
Management Strategies for Sustainable Fisheries
Characteristics of Sustainable Fisheries
Magnuson - WA
Stevens - AK
Fishery Conservation & Management Act 1976 – Known as Magnuson-Stevens Act
- mandated a national program for the conservation and management of fishery resources
- exercise sovereign rights and exclusive fishery management authority over all fish and Continental Shelf fishery resources within the Exclusive Economic Zone (EEZ) (200 miles)
- no foreign fishing is authorized within the EEZ
1996 amendments focused rebuilding overfished fisheries, protecting essential fish habitat, and reducing bycatch.
2006 Ocean Action Plan : the President called for a hard deadline to end overfishing, increased use of market-based management tools, creation of a national saltwater angler registry, and an emphasis on ecosystem approaches to management
= 0 trained fisheries stock assessors (I think)
Catch ≠ Abundance
NMFS reported in 2004 26% of stocks were overfished, in 2005 24% of stocks
....shall we extrapolate to show that US fisheries will be fine by 2018, no !
if you do the same thing with German unemployment it says no one in Germany will be working by 2056 (100% unemployment)