Navigation Links
First mass extinction linked to marine anoxia
Date:4/11/2012

The end-Ordovician mass extinction, killing roughly 86% of all marine species, is now linked to nutrient-driven anoxia in the global ocean. This marine catastrophe has previously been attributed to a cooling event of a warm Earth, as a glacier can be seen to grow on the South Pole, and to increased oxygen in the ocean. The cooling appears to be real, but from a hot to less hot greenhouse planet which not necessarily led to stress for the animals. Also, instead of increasing oxygen the resent results point towards severe lack of oxygen at depth in the ocean. The conclusion of ocean anoxia is inferred primarily from sulfur isotope data from sea floor sediments in three ocean basins worldwide. The new data overthrows century old knowledge of why marine animals met their first of three major challenges, and highlights how evolution of life is tightly coupled to the dynamics of oxygen in the ocean.


'/>"/>
Contact: Emma Hammarlund
emma@biology.sdu.dk
456-550-2739
University of Southern Denmark
Source:Eurekalert

Page: 1

Related biology news :

1. New technology tracks sparrow migration for first time from California to Alaska
2. FirstMark Exhibiting at the Inaugural Atlanta Clinical Cardiology Update
3. FirstMark Announces New Hire Jay Houtman as Southeast Regional Sales Manager
4. First complete full genetic map of promising energy crop
5. Ottawa researchers to lead world-first clinical trial of stem cell therapy for septic shock
6. American College of Rheumatology releases first classification criteria for polymyalagia rheumatica
7. First model of how buds grow into leaves
8. Research reveals first evidence of hunting by prehistoric Ohioans
9. Kessler Foundation implements Ekso Bionics first commercial robotic exoskeleton
10. ORNL completes first phase of Titan supercomputer transition
11. Researchers develop worlds first biodegradable joint implant
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/14/2020)... ... February 14, 2020 , ... Trial By Fire Solutions, ... and Payment tracking, will be showcasing SimpleTrials at the Summit For Clinical Ops ... SCOPE Summit last year, the SimpleTrials team has completed full validation of the ...
(Date:2/13/2020)... ... 13, 2020 , ... Strategic Directions International (SDi) announced today ... Life Science Instrumentation Industry. The report will be released on February 28th. The ... the $70 billion laboratory market for analytical and life science instruments. Special offers ...
(Date:2/13/2020)... ... February 13, 2020 , ... Worldwide Business with kathy ... CEO Yoram Ashery to discuss how their revolutionary technology can kill bacteria and ... keep people healthy with their revolutionary nanoparticle technology. Nobio is on the cutting ...
Breaking Biology News(10 mins):
(Date:2/11/2020)... ... February 11, 2020 , ... Synagro Technologies, ... America, today announced that the City of Fort Worth has partnered with Synagro ... Commencing in April of 2020, Synagro will assume operation of the city’s current ...
(Date:2/5/2020)... , ... February 04, 2020 , ... ... for characterizing microbiome populations down to the strain level, has announced a new ... Shoreline Biome’s microbiome kits and other products to companies and research organizations in ...
(Date:2/3/2020)... ... February 03, 2020 , ... Ovation Travel Group ... Technology Industry Travel and Biotech/Healthcare Industry Travel Indexes. , All of the Indexes ... statistics:, Average airfare price paid Domestically, Internationally and ...
(Date:1/28/2020)... WORTH, Texas (PRWEB) , ... January 28, 2020 ... ... Scientific to be the exclusive distributor to food and beverage manufactures within ... and are considered critical suppliers. This agreement will allow each company to pool ...
Breaking Biology Technology: