Navigation Links
Penguins marching into trouble
Date:2/16/2009

A quarter-century of data reveals how changing weather patterns and land use, combined with overfishing and pollution, are taking a heavy toll on penguin numbers

NEW YORK (Embargoed by the American Association for the Advancement of Science for release 5p.m. EST Friday, Feb. 12, 2009) A combination of changing weather patterns, overfishing, pollution, and other factors have conspired to drive penguin populations into a precipitous decline, according to long-term research funded by the Wildlife Conservation Society. The findings were presented today by University of Washington professor and WCS scientific fellow Dr. P. Dee Boersma at the American Association for the Advancement of Science annual meeting in Chicago. Boersma has studied Magellanic penguins in Argentina for WCS since 1982.

Boersma, director of the Wildlife Conservation Society's Penguin Project, has recently published two papers documenting some of the serious challenges faced by Magellanic penguins at a colony she has studied for more than 25 years at Punta Tombo, a wildlife reserve some 1,000 miles south of Buenos Aires. The papers appeared in the February issues of the journals Marine Ecology Progress Series, and Ecological Monographs.

Boersma's data reveal that penguins at Punta Tombo are traveling farther to find food than they did just a decade ago due to changing ocean conditions and overfishingparticularly of anchovies, a favorite penguin food. This has forced some penguins to attempt to nest outside of protected areas where they often fall prey to predators. Meanwhile, changing weather patterns have also led to increased instances of heavy rains, which have caused high mortality of penguin chicks in five of the last 25 years.

All told, penguin numbers at Punta Tombo have declined by more than 20 percent in the last 22 years, from 300,000 to just 200,000 breeding pairs, Boersma said.

"Penguins are having trouble with food on their wintering grounds and if that happens they're not going to come back to their breeding grounds," she said. "If we continue to fish down the food chain and take smaller and smaller fish like anchovies, there won't be anything left for penguins and other wildlife that depend on these small fish for food."

Of the world's 17 species of penguins 12 are rapidly declining Boersma added.


'/>"/>

Contact: Stephen Sautner
ssautner@wcs.org
718-220-3682
Wildlife Conservation Society
Source:Eurekalert  

Related biology news :

1. A happy new year for penguins
2. Penguins setting off sirens over health of worlds oceans
3. Penguins exposed to DDT from melting glaciers
4. Dry spells spelled trouble in ancient China
5. Rare corals breed their way out of trouble
6. People with heart disease still have trouble controlling blood lipid levels
7. More acidic ocean could spell trouble for marine lifes earliest stages
8. Hatchery fish outnumber wild chinook salmon in troubled fall run
9. Answer to troublesome question of why some genetic assoc. studies have failed replication attempts
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Penguins marching into trouble
(Date:4/11/2017)... April 11, 2017 No two people ... at the New York University Tandon School of ... have found that partial similarities between prints are ... in mobile phones and other electronic devices can ... The vulnerability lies in the fact that fingerprint-based ...
(Date:4/6/2017)... 2017 Forecasts by Product Type ... by End-Use (Transportation & Logistics, Government & Public Sector, ... Fossil Generation Facility, Nuclear Power), Industrial, Retail, Business Organisation ... Are you looking for a definitive report on the ... ...
(Date:4/5/2017)... 5, 2017 Today HYPR Corp. , ... server component of the HYPR platform is officially ... end-to-end security architecture that empowers biometric authentication across Fortune ... already secured over 15 million users across the financial ... connected home product suites and physical access represent a ...
Breaking Biology News(10 mins):
(Date:10/12/2017)... (PRWEB) , ... October 12, ... ... ) has launched Rosalind™, the first-ever genomics analysis platform specifically designed for ... complexity. Named in honor of pioneering researcher Rosalind Franklin, who made a ...
(Date:10/11/2017)... Alto, CA, USA (PRWEB) , ... October 11, 2017 , ... ... set to take place on 7th and 8th June 2018 in San Francisco, CA. ... policy influencers as well as several distinguished CEOs, board directors and government officials from ...
(Date:10/11/2017)... ... October 11, 2017 , ... Disappearing forests and increased emissions are ... 5.5 million people each year. Especially those living in larger cities are affected by ... in one of the most pollution-affected countries globally - decided to take action. , ...
(Date:10/10/2017)... ... October 10, 2017 , ... ... targeted antibody-drug conjugate (ADC) therapeutics, today confirmed licensing rights that give it ... Nanoparticle), a technology developed in collaboration with Children’s Hospital Los Angeles (CHLA). ...
Breaking Biology Technology: