Diving techniques in marine mesocosms

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Title: Diving techniques in marine mesocosms
Author: Klos, E
Abstract: For the last decade, the Marine Ecosystems Research Lab (MERL) has operated fourteen marine mesocosms, each of which is 13 m3 and is a living model of a temperate estuarine ecosystem. Typically, these tanks have been used to model well-mixed, relatively high salinity (30 parts per thousand) environments by conducting controlled experiments at the ecosystem level that are not possible in the field. At MERL it is possible to observe - under controlled conditions - the trajectory of an ecosystem under stress. Diving has played an important role in our research. Photographic documentation, epibenthic macrofauna quantification and precise location of sampling devices are examples of that role. Due to the relatively small size of the tanks (1.8 meters wide by 5 meters deep) only one diver can enter a tank at a time. This fact has required that we amend "standard" diving procedures to accomplish our work. Safety and supervision are assured in a unique way.
Description: American Academy of Underwater Sciences (http://www.aaus.org/)
URI: http://archive.rubicon-foundation.org/10209
Date: 1989

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