Ice Scour Disturbance and the Structure of Arctic Marine Benthic Communities.

Regions: Qikiqtaaluk Region, Nunavut

Tags: physical sciences, geology, biology, marine ecosystem, sonar survey, seabed, ice scouring

Principal Investigator: Conlan, Kathleen E. (3)
Licence Number: 12737
Organization: Canadian Museum of Nature
Licenced Year(s): 1994 1993 1992
Issued: Jan 01, 1994
Project Team: S. Blasco, Dr. A. Martel, Dr. R. Kvitek, and 7 Assistants

Objective(s): To assess the biological and geological impact of ice scour in the highly exposed coastal area of Resolute and the protected Alexandra Fiord; and to follow recolonization and degradation to determine how intense is this impact and how long it takes for sea bottom animals and plants to recover.

Project Description: Researchers acoustically profile the seabed in the are of Resolute by side scan sonar in order to obtain an aerial view of the seabed and locate scours known from previous years and created over the last winter. Researchers then scuba dive on these scours & count the large animals, collect small animals and measure the physical and chemical characteristics of the scours. This will help to determine what the scouring is doing to seabed animals and plants.