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Over the following years, spat spread out sporadically and populated adjacent areas. Eventually, possibly following adaptation to the local conditions, the Pacific oyster spread up and down the coast and now is the basis of the North American west coast oyster industry. Pendrell Sound is now a reserve that supplies spat for cultivation. [44]
The eastern oyster (Crassostrea virginica)—also called the Atlantic oyster, American oyster, or East Coast oyster—is a species of true oyster native to eastern North and South America. Other names in local or culinary use include the Wellfleet oyster , [ 3 ] Virginia oyster , Malpeque oyster , Blue Point oyster , Chesapeake Bay oyster , and ...
Unlike most bivalves, the Olympia oyster's shell lacks the periostracum, which is the outermost coating of shell that prevents erosion of the underlying shell. The color of the oyster's flesh is white to a light olive green. Ostrea lurida oysters lie with their left valve on the substrate, where they are firmly attached. Unlike most bivalves ...
Some oysters are bred to be sterile so they can grow faster, which means they carry an extra set of chromosomes. Carnegie wondered if that genetic burden, when water temperatures are high and food ...
Oyster farming is an aquaculture (or mariculture) practice in which oysters are bred and raised mainly for their pearls, shells and inner organ tissue, which is eaten. Oyster farming was practiced by the ancient Romans as early as the 1st century BC on the Italian peninsula [ 1 ] [ 2 ] and later in Britain for export to Rome.
It was initially believed that the populations of indigenous oysters were sufficient to supply both tribal and commercial harvest. [2] A marketable industry was created on the export of oysters and soon exploitation of harvesting had depleted the natural oyster beds in California and Oregon.
Research shows that filter feeders such as oysters, clams and mussels have the potential to accumulate high concentrations of heavy metals in their soft tissues, posing a risk to humans ...
Cultural sociology first emerged in Weimar, Germany, where sociologists such as Alfred Weber used the term Kultursoziologie (cultural sociology). Cultural sociology was then "reinvented" in the English-speaking world as a product of the "cultural turn" of the 1960s, which ushered in structuralist and postmodern approaches to social science ...