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According to the International Down and Feather Bureau, eiderdown contributes only a small, but lucrative, portion of the world's total down production, estimated at 175,000 tonnes annually. [26] An eiderdown duvet requires from 600 to 1,600 grams of eiderdown fill; a simple 800 gram duvet sells for about 640,000 Icelandic króna (US$5,116) as ...
The eiders (/ ˈ aɪ. d ər /) are large seaducks in the genus Somateria.The three extant species all breed in the cooler latitudes of the Northern Hemisphere. [2]The down feathers of eider ducks and some other ducks and geese, are used to fill pillows and quilts—they have given the name to the type of quilt known as an eiderdown.
Eiderdown can refer to: The down feathers of the eider duck; Eiderdown (bedding), a duvet or comforter (a kind of quilt), traditionally containing eider duck down
The oceans are not just a marine habitat. They are also a workplace, a highway, a prison, a grocery store, a trash can, a cemetery — and much more. Why we need to think about the oceans differently
The king eider (pronounced / ˈ aɪ. d ər /) (Somateria spectabilis) is a large sea duck that breeds along Northern Hemisphere Arctic coasts of northeast Europe, North America and Asia.
Rydén, Migula, and Andersson [4] and Deborah Sandler of the Environmental Law Institute add that an inland sea is "more or less" cut off from the ocean. [5] [4] It may be semi-enclosed, [4] or connected to the ocean by a strait or "arm of the sea". [5] An inland sea is distinguishable from a bay in that a bay is directly connected to the ocean ...
A marine coastal ecosystem is a marine ecosystem which occurs where the land meets the ocean. Worldwide there is about 620,000 kilometres (390,000 mi) of coastline. Coastal habitats extend to the margins of the continental shelves, occupying about 7 percent of the ocean surface area.
Except in areas close to the Antarctic shelf, micronutrient deficiency severely limits productivity in the Southern Ocean. Iron availability is not the only regulator of phytoplankton productivity and biomass. [39] [40] In the Southern Ocean, prevailing low temperatures are believed to have a negative impact on phytoplankton growth rates. [40]