Arctic Marine Biodiversity Observation Network
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Sediment characteristics

September 17, 2015 by Stacey Buckelew

sedimentSediment grain size and the organic content within sediments are important metrics for benthic organisms in terms of their habitat and food web requirements. For example, coarser sediments favor benthic organisms that need a hard substrate to settle on, while finer sediments favor organisms that burrow into the sediment or move over the sediment to feed on the organic matter. Sediment characteristics are being determined from small sediment subsamples from van Veen grabs. [AMBON scientist: Lee Cooper]

AMBON Study Area

AMBON_2015_water_masses_a

A team of multi-disciplinary scientists are monitoring marine biodiversity in the U.S Arctic waters of the  Chukchi Sea. The  study stations (red circles) are shown together with the main water mass flow (arrows).

Arctic Ecosystem

Presentation1

The Arctic ecosystem has 3 main ecosystem realms: the sea ice provides habitat for small organisms and supports larger megafauna; the pelagic system includes both important primary producers and grazers; and the well-developed benthic system helps drive a complex food web.

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