HOME >> BIOLOGY >> NEWS
Warming temperatures put tufted puffin at risk

Warmer ocean temperatures may be harming reproduction of the tufted puffin in western Canada and if global temperatures continue to increase, the species could be at risk, says a new study co-authored by a University of Alberta researcher.

Throughout the last two decades, uncharacteristically warm sea-surfaces have persisted near Triangle Island--off the coast of British Columbia--a haven for these birds. Researchers have been studying the reproductive performance of tufted puffins there since 1975. For years this seabird, but not others, had frequent reproductive failures--seasons when no chicks were reared and researchers did not know why.

The study, published in the current edition of Proceedings of the National Academy of Sciences (PNAS) journal, found that there is a direct relationship between the puffins' breeding success and temperature.

"They raise few chicks when sea surface temperatures are either unusually cold, as they were in the 70s, or especially when they are unusually warm, as they were through most of the 1990s," said author Colleen Cassady St. Clair, a behavioural ecologist from the Faculty of Science. She shared research duties with Carina Gjerdrum--a master's-level graduate from Simon Fraser University and the lead author on the paper--Douglas Bertram, now with Environment Canada and John Ryder and Gwylim Blackburn from Simon Fraser University. Another author Anne Valle, died 21 years ago after a fall she endured while studying the puffins.

The researchers speculate that the biggest reason for these reproductive changes are due to the puffins' prey, which are small fish and mainly a small anchovy-like species called sand lance. "It appears that these fish leave areas with warm water," said St. Clair. "When this warm water surrounds the breeding colonies, the puffins can't catch fish. The adults then appear to abandon their chicks under these conditions, perhaps so that they can forage farther offshore and th
'"/>

Contact: Phoebe Dey
phoebe.dey@ualberta.ca
780-492-0437
University of Alberta
14-Jul-2003


Page: 1 2

Related biology news :

1. Warming study indicates water problems in the West
2. Warming temperatures may freeze North American timber industry
3. Warming trend seen in late freeze, early thaw of northern waterways, say Science researchers
4. A Bacterium Can Help Slow Global Warming
5. Bones of Crocodile-like Beasts Tell Tale of Global Warming
6. Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
7. Georgia Scientists Study Salt Marsh To Understand Global Warming
8. Scientists Find Further Global Warming Evidence In Temperature Reconstruction Study
9. Global Warming Would Foster Spread Of Dengue Fever Into Some Temperate Regions
10. Prairies Will Be Hit Hard By Global Warming
11. Population Growth Costs Include Global Warming Impact

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/30/2017)... 30, 2017 Today, American Trucking Associations ... of face and eye tracking software, became the ... program. "Artificial intelligence and advanced ... monitor a driver,s attentiveness levels while on the ... to detect fatigue and prevent potential accidents, which ...
(Date:5/16/2017)... 2017   Bridge Patient Portal , an ... MD EMR Systems , an electronic medical record ... have established a partnership to build an interface ... GE Centricity™ products, including Centricity Practice Solution (CPS), ... These new integrations will allow healthcare delivery networks ...
(Date:4/17/2017)... MELBOURNE, Florida , April 17, 2017 ... security technology company, announces the filing of its 2016 Annual Report ... Securities and Exchange Commission. ... Report on Form 10-K is available in the Investor Relations section ... well as on the SEC,s website at http://www.sec.gov . ...
Breaking Biology News(10 mins):
(Date:9/20/2017)... (PRWEB) , ... September 20, 2017 , ... Diversity focused ... annual multi-city Fueling the Growth pitch competition to uncover the top technology-driven, women-led startups ... be an integral part of each city’s entrepreneurial events going on that week – ...
(Date:9/20/2017)... ... September 20, 2017 , ... Foresight Institute, a ... other transformative technologies, announced the winners for the 2017 Foresight Institute Feynman Prizes.These ... in nanotechnology/molecular manufacturing. , Established in 1993 and named in honor of pioneer ...
(Date:9/19/2017)... ... ... CEO and founder, Dr. Bob Harman DVM, MPVM, is featured in an interview with Dr. ... Dr. Harman and Dr. Riordan met in 2003 and have remained in contact over ... cell therapy and a fast friendship was formed. , Dr. Harman has been a leader ...
(Date:9/19/2017)... ... September 19, 2017 , ... Molecular Devices, LLC, a ... GmbH to launch the CloneSelect™ Single-Cell Printer™ in North America. This novel ... and provide visual documentation of monoclonality for use in cell line development. ...
Breaking Biology Technology:
Cached News: