Navigation Links
All the eggs in one basket

91 million green turtles living throughout the Caribbean during this same time period. For Hawksbill turtles, the researchers estimate the population has dwindled from 11 million to less than 30,000.

McClenachan and colleagues suggest that the loss of entire nesting sites and nesting populations has compounded the population drop for the turtles, and see the reestablishment of lost sites as "extremely unlikely." Their data point to hunting destroying 24 nesting sites of the two species of turtles, which also severely thinned turtle populations at the remaining sites.

Impact on Ecosystems

Besides the loss of the turtles themselves, sea turtles were also ecosystem engineers in the Caribbean, shaping the environment in which they lived.

According to the researchers, "The ecological extinction of green turtles transformed an ecosystem with diverse species of seagrass dominated by large herbivores into a detritus-based ecosystem dominated by overgrown monocultures of one species of grass."

Green turtles feed mostly on turtle grass, while hawksbill turtles prefer marine sponges.

"The decline in green turtles has led to a loss of productivity available to the animal food chain ?including commercial reef fishes ?reducing the protein-rich food available for the Caribbean people," say the researchers.

When the hawksbill's numbers were larger they ate more toxic sponges. Now however, the results suggest the turtles are eating more non-toxic sponges. According to observations gathered by McClenachan's group, the toxicity of hawksbill turtle meat has decreased from the 17th through 20th century, most likely due the turtles eating fewer of the toxic sponges. The changing ratio of sponge species will ultimately affect the landscape of coral reefs.

The scientists say more protection is needed for the sea turtle nesting sites.

"Protecting more nesting beaches is not a politically o
'"/>

Source:Ecological Society of America


Page: 1 2 3

Related biology news :

1. Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection
2. Active Vaccine Prevents Mice From Developing Prion Disease
3. Prions rapidly remodel good protein into bad, Brown study shows
4. Prion disease treatable if caught early
5. New study pinpoints epicenters of Earths imminent extinctions
6. Radiotherapy advance points way to noninvasive brain cancer treatment
7. Study pinpoints proteins role in cancer spread
8. New finding points way to foiling anthraxs tricks
9. Discovery of an HIV inhibitor in human blood points to new drug class
10. Imaging pinpoints brain regions that see the future
11. Newly identified mechanism for silencing genes points to possible anti-cancer strategies
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: All the eggs one basket

(Date:7/27/2014)... and fungi can evade treatment by acquiring mutations in ... permanent mutations were once thought to be the only ... study has shown that microorganisms can use a temporary ... to gain the benefits of drug resistance without the ... a fungus called Mucor circinelloides, it is likely to ...
(Date:7/27/2014)... at Barts Cancer Institute have found that targeting a ... more effective, according to research published in Nature ... part of Queen Mary University of London, have found ... the body to repair itself after chemotherapy or radiotherapy, ... researchers removed FAK from blood vessels that grew in ...
(Date:7/27/2014)... 18,000 patients, scientists have identified more than two ... including six that had not been previously reported. ... was partially funded by the National Institutes of ... NIH laboratories. , "Unraveling the genetic underpinnings of ... involved in this complex disease, and hopefully, may ...
Breaking Biology News(10 mins):Scientists discover new, noncommittal mechanism of drug resistance 2Scientists discover new, noncommittal mechanism of drug resistance 3New drug target can break down cancer's barrier against treatment 2NIH scientists find 6 new genetic risk factors for Parkinson's 2
... laser laboratory operational later this year, he will use ... bonds like a stringed musical instrument. Tokmakoff, the ... at the University of Chicago in January to tackle ... vibrational spectroscopy methods that he has developed. "He ...
... Cognitive impairments are disabling for individuals with schizophrenia, ... affect a wide range of cognition, including memory, ... appear in the earliest stages of the disease ... Scientists are exploring a variety of strategies ...
... 2013 Shiner Beers, the popular Texas craft brew, will ... for Diabetes Research at the Translational Genomics Research Institute (TGen). ... kick off on Wednesday, March 13, at the Hotel San ... Conferences & Festivals. The noon-8 p.m. event, themed after ...
Cached Biology News:Watery research theme to flow through new Tokmakoff lab 2Watery research theme to flow through new Tokmakoff lab 3Tickling the brain with magnetic stimulation improves memory in schizophrenia 2Shiner Beers launches nationwide support of TGen diabetes studies 2
(Date:7/28/2014)... DC (PRWEB) July 28, 2014 It’s a ... GI Bill benefits to further their post-secondary education are failing ... a study released this year. And according to an analysis ... this shortfall is veteran students’ uninformed choice of college majors, ... The details of the study: Some 51.7 percent of post-9/11 ...
(Date:7/28/2014)... 28, 2014 Research and Markets has ... Market 2014-2018" report to their offering. ... is a technique used to determine the size of a ... is crucial to analyze the size of particles as it ... analysis is performed to determine the behavior and nature of ...
(Date:7/25/2014)... , July 25, 2014 Amgen (NASDAQ: ... Directors today declared a $0.61 per share dividend for ... paid on Sept. 5, 2014, to all stockholders of ... 14, 2014.  About Amgen Amgen is ... suffering from serious illnesses by discovering, developing, manufacturing and ...
(Date:7/25/2014)... According to a new market report ... Global Industry Analysis, Size, Share, Growth, Trends and Forecast, ... estimated at USD 161,056.5 million in 2014 and is ... 2014 to 2020, to reach an estimated value of ... market is witnessing a significant growth due to the ...
Breaking Biology Technology:Resume Place: To Choose the Best College Majors, Veterans Need Early Career Counseling, Data Shows 2Resume Place: To Choose the Best College Majors, Veterans Need Early Career Counseling, Data Shows 3Resume Place: To Choose the Best College Majors, Veterans Need Early Career Counseling, Data Shows 4Global Particle Size Analysis Market 2014-2018 2Amgen Announces 2014 Third Quarter Dividend 2Amgen Announces 2014 Third Quarter Dividend 3Biological Drugs Market: Global Industry Analysis, Size, Share, Growth, Trends and Forecast 2014 - 2020 2Biological Drugs Market: Global Industry Analysis, Size, Share, Growth, Trends and Forecast 2014 - 2020 3
... /PRNewswire-Asia-FirstCall/  - China Cord Blood Corporation (NYSE: ... largest cord blood banking operator in China, today announced ... which allowed warrant holders to receive one ordinary share ... ordinary shares, equivalent to 2.2% of shares outstanding as ...
... BioTrends Research Group, Inc. finds that with ... (DMA) for the treatment of multiple sclerosis (MS), neurologists anticipate ... month after the launch of Gilenya, trial and uptake of ... to be tempered due to the perception that Extavia is ...
... December 9, 2010 Scientists from Pacific Biosciences of ... successfully employed single molecule, real-time (SMRT) DNA sequencing technology ... deadly cholera epidemic in Haiti. Published Thursday in ... results provide the first whole genome sequence analysis and ...
Cached Biology Technology:China Cord Blood Corporation Announces Completion of Warrant Exchange 2With the Recent Launch of Novartis's Gilenya, Extavia is Pushed Into the Background of Multiple Sclerosis Treatment One Year After its Launch 2With the Recent Launch of Novartis's Gilenya, Extavia is Pushed Into the Background of Multiple Sclerosis Treatment One Year After its Launch 3Pacific Biosciences and Harvard scientists decode genome of Haitian cholera pathogen 2Pacific Biosciences and Harvard scientists decode genome of Haitian cholera pathogen 3
... Dithiothreitol DTT White solid.. ... disulfides to thiols, so reaction is "driven" to ... not contain waxy surfactant found in many other ... pentobarbitol. Purity: ≥97% by titration. ...
... This kit is designed for easy transformation ... protocol allows for successful transformation simply by ... reagents with cultured yeast cells. No complicated ... are required. The kit is particularly well ...
... for easy transformation of the budding yeast, ... transformation simply by mixing a plasmid DNA ... cells. No complicated steps, such as centrifugation ... is particularly well suited for high-throughput transformation ...
... pro balance increases your lab productivity and allows ... and regulatory compliance. Move ahead beyond traditional paper-based ... data system. *Instruments supported: ... MX, UMX, AG, XS, XP, PR, SR, PG-S, ...
Biology Products: