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Dustin Schornagel

Fine-scale habitat use of age 1 Greenland cod (Gadus ogac) as revealed by acoustic telemetry

Dustin Schornagel
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Originally from Saskatoon SK, I completed my BSc in Biology at the University of Victoria in 2010. My research interests are wide and include spatial ecology, population dynamics, habitat selection, and deep-sea invertebrate biology.

Robert Gregory and Paul Snelgrove

Ocean Sciences Centre, Memorial University

9/2011 to 8/2013

Population Connectivity, PC-03

In Newman Sound, a glacial fjord on the East Coast of Newfoundland, juvenile cod occupy shallow, nearshore nursery habitats. These areas may increase juvenile survivorship by providing things such as enhanced feeding opportunities and refuge from predation. Through the use of detailed seabed habitat mapping and the latest technology in fish tracking, my project examines the spatial patterns of movement and habitat selection in age 1 Greenland Cod (Gadus ogac).

The specific project/thesis aims are:

1. Determine if age 1 Greenland cod prefer or avoid any particular habitat types.

2. Examine whether temporal variations in these patterns exist. 3. Investigate the effects of time, temperature, depth and habitat type on activity patterns.

Understanding the movement ecology of juvenile cod can provide insight into the dispersal potential and connectivity of cod populations. Knowledge of juvenile cod habitat use will be vital in the development of effective conservation and management strategies, such as the delineation of marine protected areas.

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