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The threat of invasive species is only one of the mounting pressures facing Antarctic wildlife, including warming waters, melting sea ice, ocean acidification and pollution. But broad conservation actions, like increasing marine protected areas, could help on all fronts.
What do jet streams have to do with the UK's weather and more importantly, when is it going to stop raining? Read on to find out more.
Expanding The Amount Of Work That Gliders Can Do Was A Key Topic At This Year’S Marine Autonomous Technology Showcase.Building…
The activity of marine microorganisms depends on community composition, yet, in some oceans, little is known about the environmental and ecological processes that structure their distribution. The objective of this study was to test the effect of geographic distance and environmental parameters on prokaryotic community structure in the Southern Ocean (SO). We described the total (16S rRNA gene) and the active fraction (16S rRNA-based) of surface microbial communities over a ~6.500 km longitudinal transect in the SO. We found that the community composition of the total fraction was different fr...
Jet stream, a region of long, narrow, high-speed winds that typically flow northeastward, eastward, and southeastward in the middle and upper troposphere or lower stratosphere. Jet streams are characterized by wind motions that generate strong vertical shearing action, which is thought to be largely responsible for clear air turbulence. A brief treatment of jet streams follows. For full treatment, see climate: Jet streams. First discovered by airmen during World War II, the jet streams have speeds of up to 90 metres per second (200 miles per hour) along hundreds of kilometres at their centres...