Welcome to FIS   Sponsored By
United States
Subscribe to FIS | Register with FIS | Advertise with FIS | Newsletter | About FIS | Contact us
   


The four subregions of the northeast shelf large marine ecosystem. (Photo Credit: NOAA)

Warming sea temperatures drive fish stocks northward

Click on the flag for more information about United States UNITED STATES
Monday, April 29, 2013, 22:50 (GMT + 9)

Sea surface temperatures in the Northeast Shelf Large Marine Ecosystem during 2012 were the highest recorded in 150 years, according to the latest Ecosystem Advisory issued by the National Oceanic and Atmospheric Administration’s (NOAA) Northeast Fisheries Science Centre (NEFSC). These high sea surface temperatures (SSTs) are the latest in a trend of above average temperature seen during the spring and summer seasons, and part of a pattern of elevated temperatures occurring in the Northwest Atlantic, but not seen elsewhere in the ocean basin over the past century.

According to the advisory's reports on conditions in the second half of 2012, sea surface temperature for the Northeast Shelf Ecosystem reached a record high of 14 degrees Celsius (57.2 °F) in 2012, exceeding the previous record high in 1951. Average SST has typically been lower than 12.4 °C (54.3 F) over the past three decades.

Sea surface temperature in the region is based on both contemporary satellite remote-sensing data and long-term ship-board measurements, with historical SST conditions based on ship-board measurements dating back to 1854. The temperature increase in 2012 was the highest jump in temperature seen in the time series and one of only five times temperature has changed by more than 1 °C (1.8 °F).

The Northeast Shelf's warm water thermal habitat was also at a record high level during 2012, while cold water habitat was at a record low level. Early winter mixing of the water column went to extreme depths, which will impact the spring 2013 plankton bloom. Mixing redistributes nutrients and affects stratification of the water column as the bloom develops.

Temperature is also affecting distributions of fish and shellfish on the Northeast Shelf. The advisory provides data on changes in distribution, or shifts in the centre of the population, of seven key fishery species over time.

The four southern species - black sea bass, summer flounder, longfin squid and butterfish - all showed a northeastward or upshelf shift. American lobster has shifted upshelf over time but at a slower rate than the southern species. Atlantic cod and haddock have shifted downshelf.

"Many factors are involved in these shifts, including temperature, population size, and the distributions of both prey and predators," said Jon Hare, a scientist in the NEFSC's Oceanography Branch.

A number of recent studies have documented changing distributions of fish and shellfish, further supporting NEFSC work reported in 2009 that found about half of the 36 fish stocks studied in the Northwest Atlantic Ocean, many of them commercially valuable species, have been shifting northward over the past four decades.

The Northeast US Continental Shelf Large Marine Ecosystem (LME) extends from the Gulf of Maine to Cape Hatteras, North Carolina.

"Changes in ocean temperatures and the timing and strength of spring and fall plankton blooms could affect the biological clocks of many marine species, which spawn at specific times of the year based on environmental cues like water temperature," Kevin Friedland, a scientist in the NEFSC Ecosystem Assessment programme, said.

editorial@fis.com
www.fis.com


 Print


Click to know how to advertise in FIS
MORE NEWS
Worldwide
Jul 30, 02:50 (GMT + 9):
Pacific bluefin tuna stock forecast to decline even further
Spain
Jul 30, 02:10 (GMT + 9):
Per capita fish consumption falls 4 kg in five years
Brazil
Jul 30, 01:30 (GMT + 9):
Aquaculture-fisheries cooperation with Angola to be bolstered
Thailand
Jul 30, 00:30 (GMT + 9):
Thai fishing sector deems US’s TIP report as ‘disappointing’
Chile
Jul 29, 23:50 (GMT + 9):
EWOS Chile obtains BAP recertification
European Union
Jul 29, 22:50 (GMT + 9):
EC adopts EUR 32.6m investment package for Slovenian fisheries sector
Worldwide
Jul 29, 22:20 (GMT + 9):
Over 15,200 vessels authorised to fish outside the EU identified
Spain
Jul 29, 21:40 (GMT + 9):
Link between illegal fishing and Spanish companies investigated
United States
Jul 29, 06:50 (GMT + 9):
IN BRIEF - Kansas fish farmers busy trying to restock ponds
Thailand
Jul 29, 06:50 (GMT + 9):
IN BRIEF - Thai Foreign Ministry says US TIP report not fair
Thailand
Jul 29, 06:50 (GMT + 9):
IN BRIEF - Minister of Labor: Thailand does its utmost in fighting human trafficking
United States
Jul 29, 06:50 (GMT + 9):
IN BRIEF - Odoriferous : Trident engineers address odor issues at plant
Viet Nam
Jul 29, 06:40 (GMT + 9):
IN BRIEF - Central city debuts fishing logistics fleet
Papua New Guinea
Jul 29, 06:40 (GMT + 9):
IN BRIEF - Slave boats tracked by satellite to Papua New Guinea fishing grounds
Thailand
Jul 29, 06:40 (GMT + 9):
IN BRIEF - US keeps Thailand at Tier 3



Lenguaje
FEATURED EVENTS
  
TOP STORIES
Rainbow trout is vanishing from British tables
United Kingdom The rainbow trout, which is one of Britain’s two commonly sold freshwater fish, could disappear from British tables within 17 years.
USD 88,000 granted to respond to harmful algal bloom outbreak
United States NOAA is committing USD 88,000 in grant and event response funding for Washington state to monitor and analyze an unusually large bloom of toxic algae off its coast.
Over one third of reduction fishery catch ‘has significant problems’
Worldwide The Sustainable Fisheries Partnership has released its annual sustainability overview of reduction fisheries.
Galician cephalopod vessels struggle to return to Mauritanian waters
Spain The National Association of Cephalopod Sector intends that the Galician cephalopod vessels can once more fish in the Mauritanian fishing ground, after three years of being excluded under the fisheries agreement signed between the EU and Mauritania.
 
Maruha Nichiro Corporation
Nichirei Corporation -Headquarter-
Pesquera El Golfo S.A.
Ventisqueros - Productos del Mar Ventisqueros S.A
Wärtsilä Corporation -Wartsila Group Headquarter-
ITOCHU Corporation -Headquarter-
BAADER - Nordischer Maschinenbau Rud. Baader GmbH (Head Office)
Inmarsat plc - Global Headquarters
Marks & Spencer
Tesco PLC (Supermarket) - Headquarters
Pescanova, S.A. - Group Headquarters
Sea Harvest Corporation (PTY) Ltd.
I&J - Irvin & Johnson Limited
Blue Continent Products (Pty) Ltd - (Oceana Group Limited)
Pesquera San Jose S.A.
Nutreco N.V. - Head Office
CNFC China National Fisheries Corporation - Group Headquarters
W. van der Zwan & Zn. B.V.
SMMI - Sunderland Marine Mutual Insurance Co., Ltd. - Headquarters
Icicle Seafoods Inc. -Headquarter-
Starkist Seafood Co. - Headquearters
Trident Seafoods Corp.
American Seafoods Group LLC - Head Office
Marel ehf - Group Headquarters
SalMar ASA - Group Headquarters
Sajo Industries Co., Ltd
Hansung Enterprise Co.,Ltd.
BIM - Irish Sea Fisheries Board (An Bord Iascaigh Mhara)
CEFAS - Centre for Environment, Fisheries & Aquaculture Science
COPEINCA ASA - Corporacion Pesquera Inca S.A.C.
Chun Cheng Fishery Enterprise Pte Ltd.
Food Project (Siam) Co., Ltd.
VASEP - Vietnam Association of Seafood Exporters & Producers
Gomes da Costa
Furuno Electric Co., Ltd. (Headquarters)
NISSUI - Nippon Suisan Kaisha, Ltd. - Group Headquarters
FAO -Food and Agriculture Organization- Fisheries and Aquaculture Department (Headquarter)
Hagoromo Foods Co., Ltd.
Koden Electronics Co., Ltd. (Headquarters)
A.P. Møller - Maersk A/S - Headquarters
BVQI - Bureau Veritas Quality International (Head Office)
UPS - United Parcel Service, Inc. - Headquarters
Hamburg Süd Group - (Headquearters)
Armadora Pereira S.A. - Group Headquarters
NOAA - National Oceanic and Atmospheric Administration (Headquarters)
Omega Protein Corporation -Headquarter-
Marona S.A.
Marine Harvest ASA - Headquarters
Marubeni Europe Plc -UK-
Findus Ltd
Icom Inc. (Headquarter)
WWF Centroamerica
Oceana Group Limited
The David and Lucile Packard Foundation
Ajinomoto Co., Inc. -Headquarter-
Friosur S.A. - Headquarters
Cargill, Incorporated - Global Headquarters
Benihana Inc.
Leardini Pescados Ltda
Mitsubishi Corporation Marine Products Depts. D.Team
CJ Corporation  -Holding Headquarter-
Greenpeace International - The Netherlands
David Suzuki Foundation
Fisheries and Oceans Canada -Communications Branch-
Mitsui & Co.,Ltd - Headquarters
Ocean Trawlers Group - Ocean Trawlers HK Ltd.
Natori Co., Ltd.
Carrefour Supermarket - Headquarters
FedEx Corporation -Headquarter-
AKBM - Aker BioMarine ASA
Seafood Choices Alliance -Headquarter-
Austevoll Seafood ASA
Walmart / Wal-Mart Stores, Inc. (Supermarket) -Headquarter-
New Japan Radio Co.Ltd (JRC) -Head Office-
Gulfstream JSC
INVE Group - Head Office
Marine Stewardship Council - MSC Worldwide Headquarters
Royal Dutch Shell plc (Headquarter)
Genki Sushi Co.,Ltd -Headquarter-
Iceland Pelagic ehf
AXA Assistance Argentina S.A.
Caterpillar Inc. - Headquarters
Tiger Brands Limited
Morpol ASA - Group Headquarters
SeaChoice
National Geographic Society
AmazonFresh, LLC - AmazonFresh

Copyright 1995 - 2015 Fish Info & Services Co.Ltd| All Rights Reserved.   DISCLAIMER