Navigation Links
Some populations of Fraser River salmon more likely to survive climate change: UBC study
Date:3/31/2011

Populations of Fraser River sockeye salmon are so fine-tuned to their environment that any further environmental changes caused by climate change could lead to the disappearance of some populations, while others may be less affected, says a new study by University of British Columbia scientists.

The Fraser River is the longest river in British Columbia, flowing more than 2,000 kilometres through the province. It is known for its large salmon runs, where typically several million sockeye salmon return to the river to spawn each year. There are more than 100 distinct populations of sockeye salmon in the Fraser River watershed and to spawn, each population completes a unique migration route that varies in distance, elevation gain, river temperature and river flow.

For their study, published today as the cover article in the journal Science, UBC researchers studied eight populations of adult Fraser River sockeye and found that populations with the most difficult migrations were more athletic, displaying superior swimming ability and specialized heart adaptations. They also found that the optimal water temperature for a population, or temperature where the fish performed the best, matched the historical river temperatures encountered by each population on its migration routes.

"This is the first large-scale study on wild fish to show how different populations of the same species have adapted to such specific migration conditions," says Erika Eliason, a PhD candidate in the Department of Zoology at UBC and lead author of the study. "As climate change alters the conditions of the Fraser River watershed, our concern is that some populations may not be able to adapt to these changes quickly enough to survive."

NB: Images are available by contacting Heather Amos at heather.amos@ubc.ca

Eliason, who worked on this study with co-authors Tony Farrell, a professor in the Department of Zoology at UBC, and Scott Hinch, a p
'/>"/>

Contact: Heather Amos
heather.amos@ubc.ca
604-822-3213
University of British Columbia
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Snakes, salamanders and other creatures thrive in areas with higher deer populations
2. Shifts in soil bacterial populations linked to wetland restoration success
3. Lake Michigan fish populations threatened by decline of tiny creature
4. You dont call, you dont write: Connectivity in marine fish populations
5. U of Minnesota-led study finds that hunters are depleting lion and cougar populations
6. Changing the course of nature: Are fisheries directing the evolution of fish populations?
7. Commercial fishing endangers dolphin populations
8. Crucial differences found among Latino populations facing heart disease risks
9. Climate change and habitat destruction affect butterfly populations
10. North Atlantic fish populations shifting as ocean temperatures warm
11. Even at sublethal levels, pesticides may slow the recovery of wild salmon populations
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/14/2014)... fly genome for the first time, revealing robust immune ... thrives in pathogen-rich dung piles and garbage heaps. , ... Genome Biology , will increase understanding of house fly ... to resist insecticides, which could lead to novel control ... transmit more than 100 human and animal diseases, including ...
(Date:10/14/2014)... new kind of stem cell that can become either a ... according to a study published today in the journal ... type contradicts current theory on how organs arise from cell ... of, and future treatment for, liver cancer., Thanks to stem ... being made up of more than 200 cell types. The ...
(Date:10/14/2014)... LA JOLLA, CA – October 14, 2014 – Scientists ... $6.6 million from the National Institutes of Health (NIH) ... most prevalent virus-induced hemorrhagic fever disease in Africa. The ... disease and why some patients die, while others survive ... researchers to understand the basic mechanism of how Lassa ...
Breaking Biology News(10 mins):House fly genome reveals expanded immune system 2Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 2Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 3Scripps Research Institute team receives $6.6 million to investigate deadly Lassa virus 2
... pioneering stem cell bandage, believed to be the world,s first ... heal torn meniscal cartilage, can now take the technology to ... the UK,s most successful entrepreneurs. Mr Hugh Osmond, a ... into the UK,s largest sit-down restaurant chain and founded one ...
... The possibility that functional, three-dimensional tissues and organs ... stem cells (ESCs) and induced pluripotent stem cells (iPSCs), ... research, but is also one of the fundamental goals ... has played a central role in informing such efforts, ...
... November 14, 2011 DERMALOG Identification Systems ... a new world record in the identification of fingerprints. ... is capable of correctly identifying the ten fingerprints of ... more than 129 million fingerprints. The renowned international SGS ...
Cached Biology News:World's first stem cell bandage in human clinical trials 2Self-organized pituitary-like tissue from mouse ES cells 2Self-organized pituitary-like tissue from mouse ES cells 3Self-organized pituitary-like tissue from mouse ES cells 4World Record in Fingerprint Identification: DERMALOG Correctly Identifies 129 Million Fingerprints in one Second 2World Record in Fingerprint Identification: DERMALOG Correctly Identifies 129 Million Fingerprints in one Second 3
(Date:10/22/2014)... BOSTON , Oct. 22, 2014 /PRNewswire/ ... global specialty pharmaceutical company, and Rhythm, a biopharmaceutical company, ... option to acquire Rhythm,s wholly owned subsidiary, Rhythm Health, ... agonist, for the treatment of diabetic gastroparesis and other ... a successful Phase 2 trial of relamorelin for the ...
(Date:10/22/2014)... The North American crystal oscillator market report ... analysis and forecast of revenue. This market was valued ... reach $623.6 million by 2018, at a CAGR of ... TOC of the North American crystal oscillator market report, ... This also provides a glimpse of the segmentation of ...
(Date:10/22/2014)... October 22, 2014 Involution Studios ... release of a new infographic, Understanding Ebola . ... a beautifully designed, easy to follow informative tool for ... of outbreak, symptoms and prevention. , "As the news ... the 2014 Ebola outbreak represents not only a healthcare ...
(Date:10/22/2014)... CA (PRWEB) October 22, 2014 ... from Sartorius, A & D Weighing, Rice Lake, ... CPA Semi-Micro Balance . The Sartorius CPA Semi-Micro ... an affordable high-quality, precise, and user-friendly laboratory balance. ... of laboratory equipment, their laboratory balances are well ...
Breaking Biology Technology:Actavis Signs Option to Acquire Rhythm Subsidiary and its GI Development Product, Relamorelin 2Actavis Signs Option to Acquire Rhythm Subsidiary and its GI Development Product, Relamorelin 3Actavis Signs Option to Acquire Rhythm Subsidiary and its GI Development Product, Relamorelin 4Actavis Signs Option to Acquire Rhythm Subsidiary and its GI Development Product, Relamorelin 5The North American crystal oscillator market is expected to reach $623.6 million by 2018 - New Report by MicroMarket Monitor 2The North American crystal oscillator market is expected to reach $623.6 million by 2018 - New Report by MicroMarket Monitor 3The North American crystal oscillator market is expected to reach $623.6 million by 2018 - New Report by MicroMarket Monitor 4Involution Studios' Ebola Infographic Provides Key Disease Information and Statistics at a Glance 2Pipette.com Launches the Addition of Sartorius CPA Semi-Micro Balance to Their Product Portfolio with Special Promotional Pricing 2Pipette.com Launches the Addition of Sartorius CPA Semi-Micro Balance to Their Product Portfolio with Special Promotional Pricing 3
... Terumo Americas Holding, Inc., a U.S. subsidiary of Japan,s ... manufacturers with $3.4 billion in sales and operations in ... entered into a Stock Purchase Agreement to acquire all ... company working to commercialize the world,s first point-of-care technology ...
... make it possible to improve photoelectrochemical cells. In the ... into energy, these cells use sunlight to drive chemical ... involves using a light-sensitive semi-conducting material such as cuprous ... reaction. Although it is not expensive, the oxide is ...
... 2011 Biocept, Inc., a privately-held laboratory testing ... of circulating tumor cells (CTCs) in cancer patients, ... the identification of different CTC phenotypes using its ... paper, appearing in the Journal of Oncology ...
Cached Biology Technology:Terumo Americas Holding, Inc., Agrees to Acquire Harvest Technologies Corporation, a Leader in the Development of Point-of-Care Cellular Therapy 2Terumo Americas Holding, Inc., Agrees to Acquire Harvest Technologies Corporation, a Leader in the Development of Point-of-Care Cellular Therapy 3Terumo Americas Holding, Inc., Agrees to Acquire Harvest Technologies Corporation, a Leader in the Development of Point-of-Care Cellular Therapy 4Harnessing the energy of the Sun: New technique improves artificial photosynthesis 2Biocept Demonstrates Multiple Phenotypes of Circulating Tumor Cells (CTCs) in Cancer Patients 2Biocept Demonstrates Multiple Phenotypes of Circulating Tumor Cells (CTCs) in Cancer Patients 3
Recognizes the ~115 kDa NMDA receptor NR1 subunit in rat cortex tissue extracts....
... T4 DNA Ligase catalyzes the formation of ... between double-stranded DNAs with 3' hydroxyl and ... Ligase buffer optimizes ligation which can be ... acids are not substrates for this enzyme. ...
Porcine Coronary Artery Smooth Muscle Cells (PCASMC) (>500,000 cells)...
Sulfadimethoxine (CH-2027)...
Biology Products: