HOME >> BIOLOGY >> NEWS
Reduced fish stocks linked to increased bushmeat trade, wildlife declines in W. Africa

Declining fish stocks are fuelling a multibillion-dollar bushmeat trade in West Africa. It's a trend that is threatening the survival of dozens of wildlife species, and EU fishing agreements with African nations may be part of the problem, says a group of international researchers that includes UBC forestry sciences professor Peter Arcese, UBC zoology professor Anthony Sinclair and UBC graduate Justin Brashares (now an assistant professor at UC, Berkeley).

Using 30 years worth of census data collected monthly by rangers in six nature reserves in Ghana, the researchers have found a direct link between fish supply and the demand for bushmeat in Ghanaian villages. Bushmeat is any wild species taken from public land and sold for consumption.

The group's findings will be published in November 12 issue of the journal Science.

More than half of Ghana's 20 million people reside within 100 km of the coast, where fish are the primary source of dietary protein and income.

Looking at data for the years 1970 to 1998, researchers found that in 14 local food markets, when fish supply was limited or its price increased, residents substituted bushmeat as an alternate source of affordable protein and the number of bushmeat hunters observed by rangers in parks increased. Overall, the wildlife harvest has contributed to a 76 per cent decline in the biomass of 41 species of mammals in parks since 1970.

The bushmeat trade in Ghana is estimated conservatively at 400,000 tons per year. Species affected include several species of antelope, carnivores and small primates.

During the same period, trawl surveys conducted in the Gulf of Guinea, off Ghana's coast, since 1970 along with other regional stock assessments, estimate that fish biomass in nearshore and offshore waters has declined by at least 50 per cent. In the same period, there has been a threefold increase in human populations in the region.

"We've suspected this
'"/>

Contact: Michelle Cook
michelle.cook@ubc.ca
1-604-822-2048
University of British Columbia
11-Nov-2004


Page: 1 2 3

Related biology news :

1. Reduced frontal-lobe activity and impulsivity may be linked to alcoholism risk
2. Reduced body temperature extends lifespan in study from the Scripps Research Institute
3. Reduced calorie and carbohydrate diet slows progression of Alzheimers disease in mouse model
4. Innovative tagging technique may help researchers better protect fish stocks
5. High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
6. Salmon go veggie to save wild fish stocks
7. Marine ecologists to help rebuild decreasing fish stocks
8. Darwinian debt may explain why fish stocks dont recover
9. Big, old fish key to restoring groundfish stocks
10. Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
11. Protein chatter linked to cancer activation

Post Your Comments:
(Date:5/10/2015)... Fingerprint Cards (FPC) has received an order for ... World Peace Industrial Group (WPI), part of WPG Holdings. WPI ... . Deliveries are planned to take place during Q3 2015 ... China . The order value of 235 ... 1 000 MSEK for 2015.   Jörgen Lantto, acting ...
(Date:5/5/2015)... -- NXT-ID, Inc. (NASDAQ: NXTD ) ("NXT-ID" or the ... commerce market, reminds investors and media that  Mr. David ... CARTES SECURE CONNEXIONS AMERICA 2015, held in Washington ... three-day conference is organized into a series of nine session ... Global Fraud: Where is the Trust in Cyberspace? and ...
(Date:4/21/2015)... Canada , April 21, 2015 ... and evolving government policies are boosting access control systems ... According to a recently published report by ... Opportunities, 2020 ", the access control systems market in ... nearly USD1.2 billion by 2020.The access control systems market ...
Breaking Biology News(10 mins):Fingerprint Cards Receives Touch Fingerprint Sensor Order of SEK 235 Million 2NXT-ID, Inc.'s CTO, David Tunnell, Presents at CARTES SECURE CONNEXIONS AMERICA 2015 Today in Washington DC. 2NXT-ID, Inc.'s CTO, David Tunnell, Presents at CARTES SECURE CONNEXIONS AMERICA 2015 Today in Washington DC. 3Saudi Arabia Access Control Systems Market to Touch USD1.2 Billion by 2020 Says TechSci Research 2Saudi Arabia Access Control Systems Market to Touch USD1.2 Billion by 2020 Says TechSci Research 3
(Date:5/26/2015)... Texas , May 26, 2015  A simple ... Health Science Center to detect early Alzheimer,s disease is ... adults. Detailed standardized guidelines that are needed ... have been published in Alzheimer,s & Dementia . ... of an international working group that includes UNT Health ...
(Date:5/26/2015)... San Diego, CA (PRWEB) May 26, 2015 ... Biopharma, announced the beginning of a long-term relationship ... works on behalf of its members to provide ... “I am extremely pleased to count VGP as ... to more arthritic dog patients nationwide. Concentrating and ...
(Date:5/26/2015)... Mr. Kevin Xu , President of MEBO ... Obama and President Bill Clinton for their ... Dr. Rongxiang Xu , Kevin,s father. ... his time, Dr. Xu,s commitment to the advancement of science ... will not be forgotten. As a renowned life scientist, Dr. ...
(Date:5/26/2015)... 2015 Oramed Pharmaceuticals Inc. (NASDAQ: ... company focused on the development of oral drug delivery ... protocol for the company,s Phase IIb trial of ORMD-0801, ... Drug Administration (FDA). The submission was made under the ... The Phase IIb study of ORMD-0801 for type 2 ...
Breaking Biology Technology:Guidelines bring UNT Health Science Center's blood test for Alzheimer's one step closer 2VetStem Biopharma & Veterinary Growth Partners Join Forces to Increase Member Veterinary Hospital Revenue Through Cutting Edge Medical Offering 2VetStem Biopharma & Veterinary Growth Partners Join Forces to Increase Member Veterinary Hospital Revenue Through Cutting Edge Medical Offering 3Dr. Rongxiang Xu, Beyond A Legend 2Oramed Submits Protocol to U.S. FDA for Its Phase IIb Oral Insulin Study 2Oramed Submits Protocol to U.S. FDA for Its Phase IIb Oral Insulin Study 3
Cached News: