Navigation Links
Scientists discover stinging truths about jellyfish blooms in the Bering Sea
Date:5/29/2008

ea's jellyfish population peaked in 2000, and then eventually stabilized at moderate levels between those of the bloom years of the 1990s and the less populated years of the 1980s. The post-2000 population decreases occurred while water temperatures dramatically increased--even though increasing temperatures have been associated with increasing jellyfish numbers in lab studies and in other waters, such as Narragansett Bay.

What is causing this apparent incongruity in the Bering Sea? "We think that once the Bering Sea's jellyfish population outsized the available food supply, the jellyfish population probably shrunk," says Ciannelli.

A Squishy Scourge

The most common jellyfish in the Bering Sea is the sea nettle, which has tentacles up to six meters long. Sea nettles and other jellyfish damage the fishing industry by: 1) gumming up fishing nets, 2) stinging captured young fish, which spoils their commercial value, and 3) consuming young fish, which may reduce the sizes of commercial catches.

Do More Blooms Loom?

"There are still too many mysteries about Bering Sea jellyfish to predict their next moves," says Ciannelli. These mysteries include whether food for jellyfish is being increased by the fishing industry's removal of jellyfish competitors that eat the same food that jellyfish eat.

In addition, "the Bering Sea's current jellyfish population is still much bigger and ranges further than it did during the 1980s," observes Ciannelli. "This finding suggests that water temperatures influence jellyfish populations. But we don't know how and how much."

Desparately Seeking Polyps

Scientists suspect that increasing water temperatures may influence jellyfish population in various ways. For example, they may:

  • Impact the food supplies of jellyfish.

  • Prolong an early developmental stage for jellyfish during which they live as tiny, bottom-dwelling polyps b
    '/>"/>

Contact: Lily Whiteman
lwhitema@nsf.gov
703-292-8310
National Science Foundation
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Scientists find bacteria thriving on a feast of seafloor rock
2. Leiden scientists sequence first female DNA
3. Scientists announce top 10 new species, issue SOS
4. U-M scientists remove thousands of aspens to glimpse forests future
5. Scientists reveal the lifestyle evolution of wild marine bacteria
6. Scientists discover a molecular scaffold that guides connections between brain cells
7. Scientists paint viruses to track their fate in the body
8. Incense is psychoactive: Scientists identify the biology behind the ceremony
9. Scientists decipher fruit tree genome for the first time
10. Scientists discover small RNAs that regulate gene expression and protect the genome
11. Argonne scientists use lasers to align molecules
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Scientists discover stinging truths about jellyfish blooms in the Bering Sea
(Date:9/2/2014)... and their propensity for eating anything, including each other, ... research from North Carolina State University finds that non-native ... eastern United States. , "The good news is that ... threat to humans," says Dr. Mary Jane Epps, a ... a paper about the research. , The research stems ...
(Date:9/1/2014)... us fat? An increasing amount of research shows an ... a more sedentary lifestyle. Now, a new Cornell University ... Some TV programs might lead people to eat twice ... you,re watching an action movie while snacking your mouth ... lead author on the new article just published in ...
(Date:9/1/2014)... after birth, every child in the U.S. undergoes a ... conditions, including sickle cell disease. Thousands of children born ... many suffer and die from the disease each year. ... to at least some of those deaths. , ... in the lab of George Whitesides, the Woodford L. ...
Breaking Biology News(10 mins):Researchers find Asian camel crickets now common in US homes 2Can action movies make you fat? 2Faster, cheaper tests for sickle cell 2Faster, cheaper tests for sickle cell 3
... are usually the largest players and have the endurance required ... comes to fish, larger doesn,t always mean stronger. A University ... than larger fish. "The point of the study was ... fish," said researcher Cory Suski. "We wanted to know if ...
... study to systematically investigate genome-wide epigenetic differences in ... at the Institute of Psychiatry (IoP) at King,s ... play an important role in neuropsychiatric disease. Published ... may offer potential new avenues for treatment. ...
... the classroom, and many of them speak a different language ... University of Gerona has assessed the knowledge of Catalan and ... least six years to acquire the same language levels as ... successful in other countries as a way of stopping language ...
Cached Biology News:Small fish recover faster than large fish 2Twin study reveals epigenetic alterations of psychiatric disorders 2Foreign children take at least 6 years to learn the language used in school 2Foreign children take at least 6 years to learn the language used in school 3
(Date:9/2/2014)... Winston-Salem, NC and Rocky Mount, NC (PRWEB) September 02, ... (PMG) announced today the establishment of its 11th clinical ... 1, PMG Research has assumed ownership and operation of ... in Rocky Mount, NC, further expanding PMG’s presence in ... to an additional 130,000 patients. For the patients in ...
(Date:9/1/2014)... The global oligonucleotide synthesis market is expected to ... in 2014, growing at a CAGR of 9.8% ... market is categorized on the basis of products ... synthesized oligonucleotides segment is expected to register the ... during the forecast period, owing to an increasing ...
(Date:8/31/2014)... Texas (PRWEB) August 31, 2014 ... the current state of the Epoxy Hardener ... a basic overview of the industry, including definitions, ... and Chinese domestic market analysis are provided with ... landscape of the market. A comparison between the ...
(Date:8/29/2014)... August 29, 2014 According to a new ... the global orthobiologics market was valued at USD 3,754.6 million ... USD 5,519.9million in 2019at a CAGR of 5.9% from 2013 ... years and above is afflicted by bone and joint disorders, ... year 2020. This has and will continue to increase the ...
Breaking Biology Technology:PMG Research Announces the Formation of its Eleventh Site 2PMG Research Announces the Formation of its Eleventh Site 39.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 29.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 39.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 49.8% CAGR for Oligonucleotide Synthesis Market Globally to 2019 Says a New Research Report Available at RnRMarketResearch.com 5Epoxy Hardener Industry Development Trends in Global & China Regions Now Available at ReportsnReports.com 2Epoxy Hardener Industry Development Trends in Global & China Regions Now Available at ReportsnReports.com 3Global Orthobiologics Market to Reach $5,519.9 Million by 2019: Transparency Market Research 2Global Orthobiologics Market to Reach $5,519.9 Million by 2019: Transparency Market Research 3
... ... if (typeof(lpUnit)==,undefined,) var lpUnit=,PRN,; --> ... var shortURL = ""; BitlyCB.alertResponse = function(data) { var s = ,; var first_result; // ... data.results) { first_result = data.results[r]; break; } for (var key in first_result) { //s += key + ...
... Ohio -- In a development that holds potential for both ... used a new technique to obtain the highest-ever resolution MRI ... Ohio Eminent Scholar in Experimental Physics, and his colleagues took ... of a meter) across and 40 nanometers (billionths of a ...
... scientists who proved it is possible to cultivate a network ... or the brain on a microchip have been involved ... activity at a resolution never achieved before. Developed ... chips are also simpler to use, which will help future ...
Cached Biology Technology:FDA Grants Approval of ella(R) for Emergency Contraception 2FDA Grants Approval of ella(R) for Emergency Contraception 3FDA Grants Approval of ella(R) for Emergency Contraception 4FDA Grants Approval of ella(R) for Emergency Contraception 5FDA Grants Approval of ella(R) for Emergency Contraception 6FDA Grants Approval of ella(R) for Emergency Contraception 7Scientists achieve highest-resolution MRI of a magnet 2Neurochip technology developed by Canadian team 2
TRIS-EDTA based buffer prepared from RNase-free water suitable for storage and dilution of siRNA, pH 8, store at 4 C ...
Request Info...
...
Request Info...
Biology Products: