Navigation Links
Currents could disrupt ocean food chain

If increased precipitation and sea surface heating from global warming disrupts the Atlantic Conveyer current ?as some scientists predict ?the effect on the ocean food chain in the Atlantic and other oceans could be severe, according to a new study just published in Nature.

In a worst case scenario, global productivity of phytoplankton could decrease by as much as 20 percent and in some areas, such as the North Atlantic, the loss could hit 50 percent. The study was conducted by Andreas Schmittner, an assistant professor in the College of Oceanic and Atmospheric Sciences at Oregon State University.

In his sophisticated computer model, Schmittner does not predict that the Atlantic Conveyer current, which drags warm water from the southern tropics into the North Atlantic and warms Europe, will be disrupted. Rather, his study is one of the first to examine what would happen to the ocean food chain if such a disruption did take place.

"Phytoplankton are the basis of the entire marine food web," Schmittner said. "They ultimately affect everything from zooplankton to the larger fish that people consume."

The Atlantic Conveyer current has the strongest impact in the North Atlantic, but it is a global phenomenon, Schmittner said. Surface waters from the Pacific Ocean, the Indian Ocean, the Arabian Ocean and the southern Atlantic are pulled northward where they are cooled by the atmosphere in the North Atlantic. As the water cools, it sinks 2,000 to 3,000 meters and begins flowing southward. The upwelling from the mixing of waters constantly replenishes the supply of phytoplankton at the surface, forming a rich nutrient source at the bottom of the marine food web.

There is growing concern by a number of scientists, however, that higher levels of human-generated carbon dioxide could increase water and air temperatures and decrease salinity in the North Atlantic at a rate significant enough to prevent the sinking and ultimate mixing of the
'"/>

Source:Oregon State University


Page: 1 2

Related biology news :

1. Protein discovery could unlock the secret to better TB treatment
2. Tiny particles could solve billion-dollar problem
3. First atlas of key brain genes could speed research on cancer, neurological diseases
4. Discovery of key proteins shape could lead to improved bacterial pneumonia vaccine
5. A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020
6. How the environment could be damaging mens reproductive health
7. Dead zone area in Gulf could be increasing, researchers say
8. Growth in biomass could put US on road to energy independence
9. Nano-bumps could help repair clogged blood vessels
10. Researchers develop assay that could be applied to drug screening
11. Butterfly migration could be largest known
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Currents could disrupt ocean food chain

(Date:12/22/2014)... Holiday Season may be the brightest ever for the ... long anticipated floodgates for consumer biometrics may finally be ... tablets, and wearable mobile devices that incorporate biometrics will ... nearly 4.8 billion biometric devices by 2020.   ...
(Date:12/19/2014)... Calif. , Dec. 18, 2014  23andMe, Inc., the leading ... that pinpoints fine-scale differences in genetic ancestry of individuals from ... Since immigrants first arrived more than four hundred years ago, ... a meeting place for peoples from different continents. This study ...
(Date:12/17/2014)... 2014 The Defense Logistics Agency is insourcing its ... counterfeit microcircuits from entering into its supply chain. ... anti-counterfeit initiative dubbed DNA marking. The capability will validate ... throughout the supply chain. The new quality control measures ...
Breaking Biology News(10 mins):First Season of Holiday Shopping with Mobile Biometric Payments Wraps Up With a Present for Biometrics Industry: A Rosy Forecast for More Than 2 Billion Users of 4.8 Billion Mobile Biometric Devices by 2020 223andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 2Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 3
... The National Science Foundation has awarded Iowa State ... million grant to establish the NSF Engineering Research ... The award is part of the National ... Program. The third-generation Engineering Research Centers are designed ...
... utilize small, short-lived animals (insects, worms, mice) under ... parasites, superabundant food in the laboratory. Oddly ... such animals in their harsh, stressful natural environments. ... actually age much more slowly in captive luxury ...
... Bats, ability to echolocate may have evolved more than once, ... of London scientists. Species of bat with the ability ... tree of life - some are more related to their ... of whether echolocation in bats has evolved more than once, ...
Cached Biology News:Iowa State wins $18.5M grant to create NSF Center for Biorenewable Chemicals 2Iowa State wins $18.5M grant to create NSF Center for Biorenewable Chemicals 3Iowa State wins $18.5M grant to create NSF Center for Biorenewable Chemicals 4Old before their time? Aging in flies under natural vs. laboratory conditions 2Molecular evolution is echoed in bat ears 2
(Date:1/22/2015)... , a precision medicine software company that has developed a ... genomic, imaging and other biomedical data in research and clinical ... CEO of Aspera, an IBM Company, to its board as ... "We are pleased to welcome Michelle to ...
(Date:12/25/2014)... December 25, 2014 The report “Service ... Product Type & Provider Type - Global Advancements, Worldwide ... with an in-depth analysis and forecasting of revenues. ... through 221 pages and in-depth TOC on “Service Quality ...
(Date:12/24/2014)... , Dec. 24, 2014 PlasmaTech Biopharmaceuticals, Inc. (NASDAQ: ... areas, announced the closing of an underwritten public offering of ... to an aggregate 3,500,000 shares of common stock, at an ... The warrants have a per share exercise price of $5.00, ...
(Date:12/24/2014)... Solutions , Inc. (NASDAQ: BLFS ), a leading ... storage and cryopreservation freeze media and ... or the "Company"), today announced that it will hold its ... "Annual Meeting"). Because the expected date for the ...
Breaking Biology Technology:GenoSpace Expands Board with Appointment of Michelle Munson 2Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 2Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 3Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 4PlasmaTech Biopharmaceuticals, Inc. Announces Closing of Public Offering 2PlasmaTech Biopharmaceuticals, Inc. Announces Closing of Public Offering 3BioLife Solutions Sets Date for Annual Meeting of Stockholders 2
... global climate change and population growth call for sweeping changes ... a group of prestigious scientists, including an expert in plant ... team, led by Nina Federoff, science and technology adviser to ... "critical need to get beyond popular biases against the use ...
... , -- Leading ... to Offer Innovative Resource for all Ages and Stages of the ... For the more than 1.5 million Americans living with ... is far less frequent on key topics that impact the quality ...
... ... will learn how Microsoft® products, such as SharePoint and Office 2007, can be configured to ... to provide a cost-effective FDA regulated Quality System. , ... Bedford, MA (PRWEB) February 11, 2010 -- Business Intelligence Solutions ...
Cached Biology Technology:Dramatic changes in agriculture needed as world warms and grows, researchers say 2Davis Phinney Foundation Launches 'Every Victory Counts' Program to Inform and Empower People to Live Well With Parkinson's 2Davis Phinney Foundation Launches 'Every Victory Counts' Program to Inform and Empower People to Live Well With Parkinson's 3Davis Phinney Foundation Launches 'Every Victory Counts' Program to Inform and Empower People to Live Well With Parkinson's 4Davis Phinney Foundation Launches 'Every Victory Counts' Program to Inform and Empower People to Live Well With Parkinson's 5Lunch and Learn Workshop for New Jersey-based FDA-Regulated Companies 2
Plasmid expressing the LacZ reporter gene....
Plasmid expressing Zeocin resistance gene....
... These 2800mL wide mouth PYREX Fernbach-style ... the center of the flask bottom to ... These triple baffled flasks have a Delong-style ... stainless steel closures. For plastic closures see ...
... The kit provides a simple and efficient ... normal c lture using annexin V magnetic ... phospholipid binding protein with high affinity for ... provides a simple and efficient means for ...
Biology Products: