Ocean ecosystems can take millennia to recover from the climate-related disturbances, suggests a new study. The first massive study helped explore the historical ocean response to abrupt climate change with the help of a 30-foot-long core sample of Pacific Ocean seafloor.
The study's authors, including Peter Roopnarine, of the California Academy of Sciences, analyzed thousands of invertebrate fossils to show that ecosystem recovery from climate change and seawater deoxygenation might take place on a millennial scale.
Our Marine Ecosystems Are Being Severely Effected By Plastics
Up till now it was unknown to researchers whether ingested plastic transfers chemical additives or pollutants to wildlife. However, a new study has shown that toxic concentrations of pollutants
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The scientific collaborative, led by Sarah Moffitt, from the UC Davis Bodega Marine Laboratory and Coastal and Marine Sciences Institute, analyzed more than 5,400 invertebrate fossils, from sea urchins to clams, within a sediment core from offshore Santa Barbara, California.
The tube-like sediment core was a slice of ocean life as it existed between 3,400 and 16,100 years ago, and provides a before-and-after snapshot of what happened during the last major deglaciation, a time of abrupt climate warming, melting polar ice caps, and expansion of low oxygen zones in the ocean.
![Global Cooling may Affect Marine Ecosystem]( "Global Cooling may Affect Marine Ecosystem")
According to a new research, a cold snap 116 million years ago triggered a similar marine ecosystem crisis to those witnessed in the past as a result of global warming.
The new study documented how long it has historically taken for ecosystems to begin recovery following dramatic shifts in climate.
The results suggested that future periods of global climate change may result in similar ecosystem-level effects with millennial-scale recovery periods. As the planet warms, scientists expect to see much larger areas of low-oxygen "dead zones" in the world's oceans.
The study is published today in the journal PNAS.
Source: ANI
Global Cooling may Affect Marine Ecosystem
According to a new research, a cold snap 116 million years ago triggered a similar marine ecosystem crisis to those witnessed in the past as a result of global warming.
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The new study documented how long it has historically taken for ecosystems to begin recovery following dramatic shifts in climate.
The results suggested that future periods of global climate change may result in similar ecosystem-level effects with millennial-scale recovery periods. As the planet warms, scientists expect to see much larger areas of low-oxygen "dead zones" in the world's oceans.
The study is published today in the journal PNAS.
Source: ANI
Worst 'Coral Bleaching' in 20 Years
The worst coral bleaching ever set to happen in 20 years is expected to be recorded in the Pacific soon, state the researchers.
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Radical Methods are in Need to Save Oceans, Say ExpertsExperts say that the current global efforts to counter the impact of carbon emissions are not enough, a broader and radical approach is needed for marine management and mitigation options. | Advertisement
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