HOME >> BIOLOGY >> NEWS
Study of marine snail suggests conservation efforts should consider factors beyond genetic diversity

A study of climate-induced evolutionary change in a California intertidal snail suggests that resource managers shouldnt focus exclusively on genetic diversity when developing conservation plans for protecting endangered or threatened species.

In the study, detailed in the June 1 issue of Science, biologists at the University of California, San Diego and at Louisiana State University measured the genetic diversity of populations of Acanthinucella spirata, a common marine gastropod, from Tomales Bay, 40 miles north of San Francisco, to San Diego. They discovered that the snails genetic diversity, the most commonly used gauge of a populations health, is highest in the Los Angeles area and lowest in the northern part of its range.

Measurements of genetic diversity now greatly influence decisions on where to locate protected reserves, since the most genetically diverse populations are assumed to be better able to withstand environmental changes. But while the snails around Los Angeles and to the south are genetically more diverse than those to the north, the researchers discovered that they are less diverse morphologically. This is due to the presence of a different shell form, or morphology, in some populations in the northern part of the range that is not found in the Los Angeles area or in regions to the south.

Theres a big difference in the morphologyin the shape and size of the shellsbetween the northern and the southern populations, says Kaustuv Roy, an assistant professor of biology at UCSD who conducted the study with Michael E. Hellberg, an assistant professor of biology at LSU, and Deborah P. Balch, a former student at UCSD.

Looking at the coast today, theres a dramatic decline in genetic diversity in this species going from south to north, he adds. But the northern regions have a greater amount of morphological diversity. So, which do you use to make conservation decisionsgenetic diversity or morphological diversity? Heres a ca
'"/>

Contact: Kim McDonald
kimmcdonald@ucsd.edu
858-534-7572
University of California - San Diego
31-May-2001


Page: 1 2 3

Related biology news :

1. Study: Emission of smog ingredients from trees is increasing rapidly
2. Study explores gene transfer to modify underlying course of Alzheimers disease
3. Study reveals why eyes in some paintings seem to follow viewers
4. Study by Israeli scientists provides insight on DNA code
5. Study reveals first genetic step necessary for prostate cancer growth
6. Study of flu patients reveals virus outsmarting key drug
7. Study in Science reveals recreational fishing takes big bite of ocean catch
8. Study suggests cell-cycle triggers might be cancer drug targets
9. Study narrows search for genes placing men at increased risk for prostate cancer
10. Study links high carbohydrate diet to increased breast cancer risk
11. Study explains spatial orientation differences between sexes

Post Your Comments:
(Date:11/4/2014)... of Utah engineers developed the first room-temperature fuel cell ... without needing to ignite the fuel. These new fuel ... power and sensors. , A study of the new ... journal ACS Catalysis . , Fuel cells convert ... fuel and an oxygen-rich source such as air. If ...
(Date:11/4/2014)... University School of Medicine announced today that it ... funded by the Bill & Melinda Gates Foundation. ... Gynecology and Reproductive Sciences; and Vice Chair of ... of Medicine will pursue an innovative global health ... to Assess Fetal Neurodevelopment.", Grand Challenges Explorations (GCE) ...
(Date:11/4/2014)... A newly published research study examining only marketing ... of fast food restaurants has found that the ... disproportionately exposed to such marketing tactics. , Authored ... her colleagues, the study is the first to ... interior and exterior of fast food restaurants and ...
Breaking Biology News(10 mins):Jet-fueled electricity at room temperature 2Temple University School of Medicine receives Grand Challenges Explorations grant 2Fast food marketing for children disproportionately affects certain communities 2Fast food marketing for children disproportionately affects certain communities 3
(Date:11/22/2014)... Quebec , November 21, 2014 ... wechselt als Chief Commercial Officer zu KLOX ... SVP der Unternehmensentwicklung und Chief Financial Officer bestellt    ... Europa mit der Vermarktung seines jüngst zugelassenen Behandlungssystems zur ... Inc. ("KLOX" bzw. das "Unternehmen") ist sehr erfreut, die ...
(Date:11/21/2014)... --  TRU-D SmartUVC LLC and its UK partners, Rapid ... robot, TRU-D SmartUVC, at FIS 2014 in Harrogate, ... at Stand 23. The conference, hosted by Federation ... largest infection-related event of its kind and brings together ... leading events of its type throughout the world. This annual ...
(Date:11/21/2014)... November 20, 2014 Offering a complete ... Sartorius Entris Balance promotion . The Sartorius Entris Balance ... durable, high accuracy, and easy-to-maintain balance entry level balance. ... It was designed to help customer’s bridge the gap ... balance that is very durable. Sartorius is the second ...
(Date:11/21/2014)... Alto, Calif. (PRWEB) November 20, 2014 ... a nonprofit, public policy research organization representing leading ... pharmaceutical firms, and PwC US today ... states in life sciences industry growth. The trend ... 2013. The 2015 California Biomedical Industry Report ...
Breaking Biology Technology:KLOX Technologies meldet Neubesetzung von Führungspositionen 2KLOX Technologies meldet Neubesetzung von Führungspositionen 3KLOX Technologies meldet Neubesetzung von Führungspositionen 4KLOX Technologies meldet Neubesetzung von Führungspositionen 5TRU-D SmartUVC to Showcase Superbug-Killing Robot at FIS 2014 2TRU-D SmartUVC to Showcase Superbug-Killing Robot at FIS 2014 3Pipette.com Announces an Extension on the Sartorius Entris Balance Promotion to the End of 2014 2California Healthcare Institute and PwC Report Boom in California’s Biomedical Industry 2California Healthcare Institute and PwC Report Boom in California’s Biomedical Industry 3California Healthcare Institute and PwC Report Boom in California’s Biomedical Industry 4
Cached News: