Navigation Links
Columbia River salmon are adapting to climate change
Date:12/1/2011

/p>

Lisa G. Crozier, Mark D. Scheuerell, Richard W. Zabel, "Using Time Series Analysis to Characterize Evolutionary and Plastic Responses to Environmental Change: A Case Study of a Shift toward Earlier Migration Date in Sockeye Salmon." http://www.jstor.org/stable/10.1086/662669


Predators Keep Local Frogs In Uniform

Peruvian poison dart frogs of the genus Ranitomeya are jewels of the rainforest, renowned for the diversity of vivid colors they display, which vary greatly from region to region. Obviously, these colors have not evolved for our amazement, but rather to warn predators that they will be greatly ill if they dare taste them. But how do predators keep track ofand learn to avoidso many color patterns. And why do poison-dart frogs maintain such a high diversity of color patterns? Researchers from the University of Montreal have recently showed that diversity in poison-dart frogs is maintained locally due to the predators avoiding only one color pattern and quickly eliminating all others. Using hundreds of life-sized clay models painted to resemble the distinct color patterns of poison dart frogs, the researchers found that avian predators avoided models with the local coloration, but attacked models with non-local colors. The results show that the local predators have come to recognize and avoid the local frogs. "Being exotic is, in this case, not advantageous at all, as the frogs' vivid coloration make them more easily detected by predators that have not learned to recognize them," said Dr. Chouteau. These results highlight the close relationship between the colorful amphibians and their predators, and demonstrate that the geographic diversity of color patterns is maintained by the learning experience of a distinct predator community.

Mathieu Chouteau, Bernard Angers, "The Role of Predators in Maintaining the Geographic Organization
'/>"/>

Contact: Kevin Stacey
kstacey@press.uchicago.edu
401-284-3878
University of Chicago Press Journals
Source:Eurekalert  

Page: 1 2 3 4

Related biology news :

1. Columbia to award 2008 Horwitz Prize to Arthur Horwich & Ulrich Hartl for cellular protein folding
2. Similar survival rates for Pacific salmon in Fraser, Columbia Rivers raises new questions
3. Salmon smolt survival similar in Columbia and Fraser rivers
4. Columbia University scientist devises new way to more rapidly generate bone tissue
5. Columbia University Medical Center announces 2009 Katz Prizes in Cardiovascular Research
6. Columbia engineer part of team to receive $6.2 million DOD grant for blast research
7. Columbia University Medical Center announces 2010 Katz Prizes in cardiovascular research
8. Columbia University uses technological innovation to study bone structure
9. Columbia engineer observes surprising behavior of cells during blood-vessel formation
10. Columbia professor to discuss good, bad aspects of choice at NJIT March 23 talk
11. Columbia engineers patch a heart
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Columbia River salmon are adapting to climate change
(Date:9/2/2014)... of Human Genetics (ASHG) and the National Human ... Institutes of Health, have named Katherine D. Blizinsky, ... the newest ASHG/NHGRI Genetics and Public Policy Fellow. ... and Public Policy Fellowship is intended to help ... and research policy at a national level. Fellows ...
(Date:9/2/2014)... digital distribution of media will have lower carbon ... when file sizes are large. , That,s the ... Journal of Industrial Ecology that looked at ... as PlayStation3. Researchers found that Blu-ray Discs delivered ... than game files downloaded over broadband Internet. For ...
(Date:9/2/2014)... baseball pitchers with poor core stability are more likely to ... of injury than are pitchers who have good control of ... study, 347 pitchers were assessed for lumbopelvic control during spring ... raised a leg to step up were up to three ... cumulative, not consecutive during the season than were pitchers ...
Breaking Biology News(10 mins):ASHG and NHGRI award genetics and public policy fellowship 2In pro baseball pitchers, weak core linked to more missed days 2In pro baseball pitchers, weak core linked to more missed days 3
... combat or cure human disease often involves a phase of ... a living mouse,s innards has real value. But with ... laboratory mice, the view becomes so murky several millimeters under ... future from the rodent,s entrails than they do extracting usable ...
... being: "So far scientific studies were limited mostly to ... of locomotion", says Fischer, Professor of Systematic Zoology and ... team started a comprehensive study about the locomotion of ... results. With enormous technical effort the scientists measured, ...
... Researchers of the Max Delbrck Center for Molecular ... cells to differentiate into diverse cell types and thus ... molecule E-cadherin hitherto primarily known for its ... "intracellular glue". If E-cadherin is absent, the stem cells ...
Cached Biology News:Better viewing through fluorescent nanotubes when peering into innards of a mouse 2Better viewing through fluorescent nanotubes when peering into innards of a mouse 3Dogs in motion 2Dogs in motion 3MDC researchers discover key molecule for stem cell pluripotency 2
(Date:9/2/2014)...  Xencor, Inc. (NASDAQ: XNCR ), ... for the treatment of autoimmune diseases, asthma and ... of Debra Zack , M.D., Ph.D., vice ... Lloyd Rowland , senior vice president, chief compliance ... expertise in biologics clinical development and medical affairs ...
(Date:9/2/2014)...  Spherix Incorporated (SPEX) -- an intellectual property development company committed ... announced that the United States Patent & Trademark Office ... month of August that are part of a standard ... patents are: , U.S.RE45,065 issued August ... and , U.S.RE45,095 issued August 26, 2014.  ...
(Date:9/1/2014)... (PRWEB) September 01, 2014 The ... and Diagnostics report provides comprehensive understanding and unprecedented ... entered into by the worlds leading life science ... and analysis of how and why companies enter ... a prospective partner’s negotiated deals terms provides critical ...
(Date:8/30/2014)... TX (PRWEB) August 31, 2014 ... is a professional and in-depth study on the ... in Global and China. , The report provides ... applications and industry chain structure. Global market analysis ... a focus on history, developments, trends and competitive ...
Breaking Biology Technology:Xencor Appoints Debra Zack, M.D., Ph.D., Vice President, Clinical Development and Lloyd Rowland, Senior Vice President, Chief Compliance Officer and General Counsel 2Xencor Appoints Debra Zack, M.D., Ph.D., Vice President, Clinical Development and Lloyd Rowland, Senior Vice President, Chief Compliance Officer and General Counsel 3United States Patent & Trademark Office Issues Three New Standard Essential Patents to Spherix 2Collaborative R&D Terms & Agreements in Pharma, Biotech and Diagnostics Industry Analysis, Size, Share, Growth, Trends And Forecast Research Report by Researchmoz.us 2Collaborative R&D Terms & Agreements in Pharma, Biotech and Diagnostics Industry Analysis, Size, Share, Growth, Trends And Forecast Research Report by Researchmoz.us 3Collaborative R&D Terms & Agreements in Pharma, Biotech and Diagnostics Industry Analysis, Size, Share, Growth, Trends And Forecast Research Report by Researchmoz.us 4Electrical Insulating Varnish Market World, China Regional Analysis & 2020 Forecasts Available at DeepResearchReports.com 2Electrical Insulating Varnish Market World, China Regional Analysis & 2020 Forecasts Available at DeepResearchReports.com 3
... ... Discuss Opportunities and Challenges of Maize Cultivation Under Dry Conditions , ... Bordeaux, France (Vocus) February 4, 2010 ... to develop drought-tolerant crops, which will play a major role in sustainably increasing agricultural ...
... , RESEARCH TRIANGLE PARK, N.C. , ... a biotechnology company developing orally available antiviral therapeutics, announced today ... the company as Chief Medical Officer.   , Dr. Painter ... industry, including work in clinical development, clinical safety and pharmacovigilance, ...
... ... , ... has a unique opportunity today to engage, innovate and deliver sustainable solutions to the growing ... World CEO Forum of the Delhi Sustainable Development Summit 2010 in India. , ...
Cached Biology Technology:DuPont Leader: Drought-Tolerant Crops Developed Through Modern Breeding are Key to Sustainably Increasing Grain Production 2Chimerix Names Wendy Painter, M.D., M.P.H., as Chief Medical Officer 2Chimerix Names Wendy Painter, M.D., M.P.H., as Chief Medical Officer 3Sustainability Is A Business Imperative 2
... The Beacon 2000 Fluorescence Polarization System ... research and assay development. Standard Beacon ... 2000 System uses a quartz-halogen lamp ... of 360-700 nm. It accommodates all ...
Preparation Note: Prepared essentially by method of Singer, T.P., J. Biol. Chem., 174, 11 (1948). Quality Clarifier: Contains lipase Unit Definition: One unit will hydrolyze 1.0 μmole of p-ni...
... buffer, pH 10.2 give activity approx. 2X ... in diethanolamine buffer, pH 9.8 give activity ... system. Protein determined by Biuret Physical form: ... Unit Definition: One unit will hydrolyze 1 ...
... traps a wide variety of solvent vapors that can ... flask (GCF400) allows for the collection of liquid into ... time minimizes waiting period., Ultra low -104 ... , Digital Display of ...
Biology Products: