publication . Article . 1990

Seabirds and fronts: a brief overview

Open Access
  • Published: 06 Jan 1990 Journal: Polar Research, volume 8, pages 17-21 (eissn: 1751-8369, Copyright policy)
  • Publisher: Norwegian Polar Institute
Oceanographic fronts are the sites of enhanced physical and biological activity, including locally concentrated feeding by marine birds. Two general hypotheses relating marine birds to fronts have been developed. The first is that enhanced primary production at fronts increases prey supply through increased animal growth, reproduction, or immigration. The second is that prey patches develop at fronts either through behavioural responses of prey to thermal or salinity gradients, or through interaction between prey behaviour and circulatory patterns. Several recent studies support the second hypothesis. The first hypothesis, that birds benefit from enhanced primar...
Medical Subject Headings: digestive, oral, and skin physiology
free text keywords: Earth and Planetary Sciences (miscellaneous), Oceanography, General Environmental Science, Environmental Chemistry, Pollutant, Ecology, Predation, Trophic level, Biology, Salinity
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