Arctic Cod ( Boreogadus saida ) as Prey
Fish Length-Energetics Relationships in the Beaufort Sea and Hudson Bay
Bibliographic Data
| ID | 16865246 |
|---|---|
| Authors | B Britten Harter (University of Manitoba, corresponding author), Kyle H Elliott (0000-0002-4313-0345, University of Manitoba), George J Divoky (0000-0001-9902-8203, Cooper Institute), GAIL K DAVOREN (0000-0001-5703-1148, University of Manitoba) |
| Year | 2013 |
| Volume | 66 |
| Issue | 2 |
| Publication date | 2013-06-05 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | ARCTIC (JOURNAL) |
| Journal identifiers | ISSN: 0004-0843 • E-ISSN: 1923-1245 |
| Publisher | The Arctic Institute of North America (PUBLISHER) |
| DOI | 10.14430/arctic4290 |
| OpenAlex | W2056087488 |
| Language | EN |
| Citations received | 1 |
| References cited | 5 |
Although Arctic cod (Boreogadus saida) is widely recognized as an important trophic link to top predators in Arctic marine ecosystems, the challenges of conducting fieldwork in the Arctic make this species difficult to study. We establish some basic relationships to improve prey energetics modeling when only in-field parameters (e.g., fork length) can be measured. We investigated the intraspecific relationships among energy density, fork length, mass, and water content for Arctic cod captured by Black Guillemots and Thick-billed Murres at two sites (Western Beaufort and Hudson Bay). Dry energy density was similar between sites (21.6 – 22.2 kJ g-1) and increased with fork length (Dry EDkJ/g = 0.028 (± 0.01) • Fork Lengthmm + 18.12 (± 1.33). Even though fish lost some water as they were transported to the nest by avian predators, wet energy density also increased with fork length. We suggest that environmental conditions had a similar effect on growth at these two locations although they occur in very different oceanographic regimes. Arctic cod, especially large cod, is one of the most energy-rich prey species in the Arctic. Our results highlight the importance of this valuable prey to Arctic ecosystems and the utility of using seabirds opportunistically as samplers of the marine environment
Arctic · Bay · Biology · Energetics · Fish · Fish <Actinopterygii> · Fish measurement · Fishery · Forage fish · Predation · Trophic level · Ecology · Environmental Science · Fish Ecology and Management Studies · Geology · Marine and fisheries research · Marine Bivalve and Aquaculture Studies · Oceanography
Analysis of Arctic Cod Movements in the Beaufort Sea Nearshore Region, 1978-79
Occurrence of Arctic Cod ( Boreogadus Saida ) Schools and Their Vulnerability to Predation in the Canadian High Arctic
Occurrence, Habitat Use, and Behavior of Seabirds, Marine Mammals, and Arctic Cod at the Pond Inlet Ice Edge
The Epipelagic Fish Community of Beaufort Sea Coastal Waters, Alaska
Energy Flow through the Marine Ecosystem of the Lancaster Sound Region, Arctic Canada
| Citations per year | 0.08 |
|---|---|
| Citation span | 2014 - 2014 (1) |
| Highly cited | No |