title: Community ecology: how green is the arctic tundra?
abstract: The exploitation ecosystems hypothesis suggests that food chain length increases along gradients of increasing primary productivity. Recent results provide compelling new evidence for this from an arctic-alpine ecosystem.
authors: Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. rebecca.morris@zoo.ox.ac.uk
authors: Rebecca J
authors: RJ
authors: Morris
mesh_terms: D000818:Animals; D001110:Arctic Regions; D003411:Arvicolinae; D018533:Biomass; D005247:Feeding Behavior; D020387:Food Chain; D045969:Mustelidae; D011235:Predatory Behavior