Navigation Links
Leatherback turtles' newly discovered migration route may be roadmap to salvation
Date:7/15/2008

track was remaining the same. Not only were the turtles heading in the same direction, they were actually trying to follow an even narrower path than the raw data showed. As Bograd put it, "They definitely had a place they wanted to go."

That place is the South Pacific Gyre, a vast region considered a relative desert among the world's oceans. So why go there if it's so barren?

"That's still a big puzzle as to why they choose to go to this region," Palacios said.

The only data available are satellite images showing the color of the sea. Researchers interpret greener water to be richer in chlorophyll, which is considered the foundation for the ocean food chain. Thus, the relative abundance of chlorophyll is inferred to indicate the relative richness of a fishery. Satellite images show very little green in the South Pacific Gyre.

But, satellites can only penetrate about 25 meters below the surface in the gyre. "Maybe the turtles are targeting something that is deeper in the water column," Palacios said.

"What are they doing there is a big question," Shillinger said. "Perhaps the tremendous water clarity may work to the advantage of these leatherbacks because they are visual predators," he said. "They can spot little specks of white out in the deep blue sea." Leatherbacks dine exclusively on gelatinous zooplankton, such as jellyfish.

Shillinger also said that there is a substantial longline fishery in that area, for bigeye and yellowfin tuna. "Obviously, the fish are eating something and it's something we're not picking up in chlorophyll signatures from satellite imagery," he said.

Given that leatherbacks have been recorded diving as deeply as 1,280 meters, they have ample choice as far as where in the water column they choose to feed. And considering that they can grow to over 6 feet in length and weigh up to 2,000 pounds, it seems like a safe bet that they're feeding on something.

The presence of
'/>"/>

Contact: Dan Stober
dstober@stanford.edu
650-723-2558
Stanford University
Source:Eurekalert

Page: 1 2 3 4 5 6

Related biology news :

1. Leatherback turtles go with the flow
2. Isotope analysis reveals foraging area dichotomy for Atlantic leatherback turtles
3. Research shows loggerhead sea turtles threatened by small-scale fishing operations
4. Newly described dragon protein could be key to bird flu cure
5. Death, division or cancer? Newly discovered checkpoint process holds the line in cell division
6. Newly identified role for power plants in human cells could lead to targeted therapies
7. Newly defined signaling pathway could mean better biofuel sources
8. Newly-identified exercise gene could help with depression
9. Newly created cancer stem cells could aid breast cancer research
10. Surprisingly rapid changes in the Earths core discovered
11. New source of heart stem cells discovered
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/17/2015)... GERMANTOWN, Maryland , June 17, 2015 ... Produktlinie mit DNA-Tests verbessert den Analyseprozess und senkt Laborkosten ... Frankfurt Prime Standard: QIA) hat heute in den ... Investigator ® für die forensische ... Kits zur Erstellung genetischer Fingerabdrücke bieten eine integrierte Lösung ...
(Date:6/17/2015)... Calif. , June 17, 2015  Synaptics ... human interface solutions, today announced that Xiaomi, one ... the Synaptics ® ClearPad ® family ... display driver integrated circuits (DDICs) for its latest ... By leveraging ClearPad for full in-cell display solutions ...
(Date:6/16/2015)... June 16, 2015 /CNW Telbec/ - handyem Inc. ... around the incorporation of handyem,s HPC-150 portable flow ... the Mo-POD™. This unprecedented model of mobile laboratory ... at the Pennsylvania Convention ... 15 th to 18 th 2015. ...
Breaking Biology News(10 mins):QIAGEN bringt in den USA neue Kits für die forensische DNA-Analyse auf den Markt 2QIAGEN bringt in den USA neue Kits für die forensische DNA-Analyse auf den Markt 3QIAGEN bringt in den USA neue Kits für die forensische DNA-Analyse auf den Markt 4QIAGEN bringt in den USA neue Kits für die forensische DNA-Analyse auf den Markt 5QIAGEN bringt in den USA neue Kits für die forensische DNA-Analyse auf den Markt 6Synaptics Touchscreen and Display Driver IC Solutions Power Xiaomi's Latest Flagship Smartphones 2Synaptics Touchscreen and Display Driver IC Solutions Power Xiaomi's Latest Flagship Smartphones 3handyem and FlowMetric Diagnostics announce their partnership in the development of Flow Cytometry- Based Solutions in diagnostic capabilities 2handyem and FlowMetric Diagnostics announce their partnership in the development of Flow Cytometry- Based Solutions in diagnostic capabilities 3
... supply based on biomass grown to generate electricity and ... Jrgen O. Metzger from Carl von Ossietzky University of ... University of Goettingen in Germany, it is both a ... suggests it is unrealistic. Their findings(1) are published online ...
... know that poor diet and lack of exercise can lead ... is not just the heart that is affected blood ... pain when walking, immobility and even in extreme cases, amputation. ... artery disease (PAD) once we are 65 or over, and ...
... sensors for cancer drugs and other DNA-damaging agents inside ... wrapped in DNA, can detect chemotherapy drugs such as ... that damage DNA. "We,ve made a sensor that ... and actually detect several different classes of molecules that ...
Cached Biology News:Turning over a new leaf for future energy supplies 2MIT nanotubes sniff out cancer agents in living cells 2
(Date:7/1/2015)... and BANGALORE, India , July ... profiling company that uses next generation sequencing technology to ... Scott A. Storrer as chief executive officer. In ... will be responsible for all strategy, business expansion and ... who has served as Strand,s chairman and CEO since ...
(Date:7/1/2015)... Ariz. , July 1, 2015 Isagenix ... it has earned three Gold, three Silver, and three ... Awards gala held in Chicago ... as the premier business awards program in the U.S. ... recognizes our company,s strength in developing leaders, cultivating talent, ...
(Date:7/1/2015)... ... July 01, 2015 , ... Apex Therapeutics announced today that company CEO, ... PA. , The presentation took place on Tuesday, June 16 and provided ... development of APX3330 for the treatment of pancreatic cancer. A copy of the ...
(Date:6/30/2015)... -- R-Japan Co.,Ltd. obtained the license of cell processing facility ... the Ministry of Health, Labour and Welfare Kinki Bureau of ... The fact that R- Japan received the ... and Medical Devices Agency (PMDA) on May 18, 2015 two ... cell manufacturing service to medical institutions. As of November 25, ...
Breaking Biology Technology:Strand Life Sciences Names Scott A. Storrer CEO as Company Continues Global Expansion with Focus on Precision Medicine Product 2Strand Life Sciences Names Scott A. Storrer CEO as Company Continues Global Expansion with Focus on Precision Medicine Product 3Isagenix Earns Nine American Business Awards 2Isagenix Earns Nine American Business Awards 3Apex Therapeutics Presented Company Overview at This Year’s BIO International Convention in Philadelphia, PA 2R-Japan Obtained Autologous Stem Cell Manufacturing License from the Ministry of Health, Labour and Welfare 2
... Wilmington, DE (PRWEB) May 5, 2009 -- The ... group vice president -- DuPont Applied BioSciences ... the biofuels industry that ranges from the advanced ... the new advanced biofuels technologies we are bringing ...
... Inc., a clinical-stage biopharmaceutical company focused on diseases of ... 1B trial for SQ109 with the dosing of the ... intended to replace one or more of the current ... U.S. FDA Fast Track designation and FDA/EMEA Orphan Drug ...
... Syrinx Consulting Corporation , an IT consulting ... SharePoint applications , announced today that ... a leading biopharmaceutical company in the Boston area. ... gigabytes of data from a SharePoint 2003 environment to ...
Cached Biology Technology:DuPont Statement on Obama Administration Biofuels Interagency Working Group 2DuPont Statement on Obama Administration Biofuels Interagency Working Group 3Sequella Commences Phase 1B Study for New Tuberculosis Drug SQ109 2Syrinx Wins Contract with Leading Pharmaceutical Company for SharePoint 2007 Services 2
Form: Ready to use Applications: ELISA...
Form: Ready to use Applications: ELISA...
X-prolyl aminopeptidase (aminopeptidase P) 1, soluble...
2,4,6, Trinitrophenyl hapten is conjugated to lipopolysaccharide (LPS)....
Biology Products: