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The Decline of Atlantic Cod Fisheries

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Julia List

on 29 March 2014

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Transcript of The Decline of Atlantic Cod Fisheries

The Decline of Atlantic Cod Fisheries
Fishing Restrictions
THE PROBLEM.
Samuel Hearne (1745-1792)
Harold Innis (1894-1952)
Roger Grimes (1950-Present)
Conclusion
Fisheries- General
Top Harvesters of Atlantic Cod
Bibliography
The Fish and New England
fishwatch.gov
The Method
Courtesy of Brittanica
Important Figures throughout the Centuries
2006 global production from fishing and aquaculture was approximately 144 million tonnes, 100 million for human consumption
90% annual catch from oceans/seas
Aquaculture- breeding and rearing of fish, shellfish and plants in captivity
fun facts courtesy of greenfacts.org and the United Nations
Per capita supply of 16.7 kg!!
Graph courtesy of David Tribe, Ph. D University of Melbourne
General Name: Atlantic Cod
Gadus Morhua
Doppleganger: G.Macrocephalus
Statistics-
Weight: up to 211 lbs (average is 88.11)
Length: up to 78 in
Lifespan: up to 25 years
http://animaldiversity.ummz.umich.edu/accounts/Gadus_morhua/
Trends in Capture
Capture of cod in million tonnes
Information sourced from the FAO
Minimum mesh size- 20.3 cm
Northest Multispecies Management Plan
source: NOAA fish watch
Areas closed to fishing seasonally
Restrictions of size of fishing gear
Cap on groundfish bycatch
Loss of biodiversity due to:
-increased fishing technology
-High demand
-uncertainty in assessment


minimum size requirements for catch
Canada-US agreement
Loss of fisheries:
-cultural loss
-economic strife
Animal Diversity Web. (n.d.). Animal Diversity Web. Retrieved March 26, 2014, from http://
animaldiversity.ummz.umich.edu/accounts/Gadus_morhua/
Atlantic Cod - Status of Fishery Resources off the Northeastern US. (n.d.). Atlantic Cod -
Status of Fishery Resources off the Northeastern US. Retrieved March 26, 2014, from http://www.nefsc.noaa.gov/sos/spsyn/pg/cod/
Cooper, R. N. (1999). Lament for an ocean: The collapse of the atlantic cod fishery: A true
crime story. Foreign Affairs, 78(4), 128. Retrieved from http://search.proquest.com/docview/214296525?accountid=415
Fisheries Latest data. (n.d.). Scientific Facts on Fisheries. Retrieved March 26, 2014, from
http://www.greenfacts.org/en/fisheries/
FishWatch. (n.d.). NOAA. Retrieved March 23, 2014, from http://www.fishwatch.gov/
seafood_profiles/species/cod/species_pages/atlantic_cod.htm
General Facts Regarding World Fisheries. (n.d.). United Nations. Retrieved March 20
, 2014, from https://www.un.org/depts/los/convention_agreements/reviewconf/FishStocks_EN_A.pdf
Marine Conservation Society. (n.d.). Cod, Atlantic Cod. Retrieved March 26, 2014, from
http://www.fishonline.org/fish/cod-atlantic-cod-32
Potter, E., & Pawson, M. (1991). Laboratory Leaflet. Gill Netting, 69, 1-32.
Seelye, K. Q., & Bidgood, J. (2013, Jan 31). Officials back deep cuts in atlantic cod harvest to
save industry. New York Times. Retrieved from http://search.proquest.com/docview/1282738538?accountid=415
Swain, D. P., & Sinclair, A. F. (2000). Pelagic fishes and the cod recruitment dilemma in the
northwest atlantic. Canadian Journal of Fisheries and Aquatic Sciences, 57(7), 1321-1325. Retrieved from http://search.proquest.com/docview/219321388?accountid=415
UNIVERSITY OF MASSACHUSETTS DARTMOUTH STUDY LINKS ENVIRONMENTAL FACTORS
SUCH AS CLIMATE CHANGE TO COLLAPSE OF NORTH ATLANTIC COD FISHERY. (2007, Jun 13). US Fed News Service, Including US State News. Retrieved from http://search.proquest.com/docview/469025380?accountid=415
Editors of Encyclopædia Britannica. (n.d.). cod (fish species). Encyclopedia Britannica
Online. Retrieved March 26, 2014, from http://www.britannica.com/EBchecked/topic/123849/cod


Images

http://www.alaskaseafood.org/fishingprocessing/seafoodweb_oct07/Octchart/codpie.gif
http://gmopundit.blogspot.com/2012/07/amazing-growth-of-fish-farming-in.html
http://www.fishwatch.gov/seafood_profiles/species/cod/imgs/atl_cod_efh-large.jpg
http://www.fishwatch.gov/seafood_profiles/species/cod/imgs/cod_atlanticFNL_RR_NB_Species.png
http://kids.britannica.com/comptons/art-167338/The-North-Atlantic-gill-nets-are-entangling-nets-placed-in
http://apiscerana.files.wordpress.com/2008/06/clown-fish-is-nemo.jpg
http://celebrating200years.noaa.gov/magazine/globec/map_gulfofmaine_650.jpg
http://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Harold_Innis_public-domain_library_archives-canada.jpg/220px-Harold_Innis_public-domain_library_archives-canada.jpg
http://media.cagle.com/95/2013/01/31/126404_600.jpg

Scientists Talk
"Cod is about a third of the way to full recovery, and haddock is already back to historical biomass levels"
-Brian Petrie, a member of the Canadian surveying team of the Scotian Shelf off Canada
Further Research
"scientists need to fully explore whether climate change is affecting the North Atlantic Ocean ecosystem"
-Rothschild

"[An interruption in the food chain was] probably as important in influencing declines in cod abundance as the effects of fishing"
Dr.Rothschild, UMASS Dartmouth
"Our results could also have implications for the recommendation that seal herds off Atlantic Canada should be reduced to promote cod stock recovery"
-Swain and Sinclair
"Has recruitment during the recent period of low abundance been unusually low, or was it unusually high during the earlier low-abundance period?"
-DP Swain and AF Sinclair,
Canadian
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