Dynamics of physical and biological systems of the Prince Edward Islands in a changing climate

作者: IJ Ansorge , JV Durgadoo , EA Pakhomov

DOI: 10.26749/RSTPP.143.1.15

关键词: Ocean dynamicsOceanic climateForagingCircumpolar starEcologyEcosystemApex predatorOceanographyMarine ecosystemGeography

摘要: Sub-Antarctic islands are classified as isolated, hostile, impoverished regions, in which the terrestrial and marine ecosystems relatively simple extremely sensitive to perturbations. They provide an ideal ecological laboratory for studying how organisms, processes and respond a changing ocean climate Southern Ocean. 1hese characterised by large populations of top predators subsequently any changes oceanographic frontal dynamics associated with Antarctic Circumpolar Current, either in vicinity these or further afield, may have strong implications on their foraging behaviour. The relatively easy accessibility of Prince Edward Islands from South Africa location between main systems bordering Circumpolar Current enable high-resolution synoptic field studies be undertaken. Such provided information impact in the large-·scale local ecosystems.

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