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The garganey (Spatula querquedula) is a small dabbling duck.It breeds in much of Europe and across the Palearctic, but is strictly migratory, with the entire population moving to Africa, India (in particular Santragachi), Bangladesh (in the natural reservoirs of Sylhet district) and Australasia during the winter of the Northern hemisphere, [2] where large flocks can occur.
Denser material that is thought to exist under the surface of the ocean includes plastic called polyethylene terephthalate that is used to make soft drink and water bottles. [6] However, these denser plastics are not observed in the North Atlantic garbage patch because the methods to collect samples only capture the surface microplastics.
Flotsam can be blown by the wind, or follow the flow of ocean currents, often ending up in the middle of oceanic gyres where currents are weakest. Within garbage patches, the waste is not compact, and although most of it is near the surface of the ocean, it can be found up to more than 30 metres (100 ft) deep in the water. [1]
The largest ocean-based source of plastic pollution is discarded fishing gear (including traps and nets), estimated to be up to 90% of plastic debris in some areas. [56] [57] Continental plastic litter enters the ocean largely through storm-water runoff, flowing into watercourses or directly discharged into coastal waters. [58]
In 2016, three Bay Area friends vacationing in Fiji placed a message in a bottle and set it out to sea. After 8 years they got an answer, from Australia. Eight years and 2,000 miles across the ocean.
Since liquid water flows, ocean waters cycle and flow in currents around the world. Since water easily changes phase, it can be carried into the atmosphere as water vapour or frozen as an iceberg. It can then precipitate or melt to become liquid water again. All marine life is immersed in water, the matrix and womb of life itself. [7]
The 300-plus-year-old glass onion bottles were discovered from the ... from a shipwreck in the Atlantic Ocean off the coast of Indian River County in Florida in 2021 and 2022. While the exact ship ...
Marine microorganisms are defined by their habitat as microorganisms living in a marine environment, that is, in the saltwater of a sea or ocean or the brackish water of a coastal estuary. A microorganism (or microbe ) is any microscopic living organism or virus , which is invisibly small to the unaided human eye without magnification .