Trophic structure, the partitioning of biomass among trophic levels, is a major characteristic
of ecosystems. Most studies of the forces that shape trophic structure emphasize either …

Les auteurs ont examiné 24 expériences conduites sur la pisciculture du saumon sockeye
en lacs, lesquelles impliquent la fertilisation en vrac avec des traitements appropriés et des …

We develop a conceptual argument thatdensity-dependent growth via reductions in
preyresources are most likely to occur in the late-larvalor juvenile stage in both marine and …

Planktonic nutrient regeneration is a fundamental process that maintains most of the primary
productivity in marine and freshwater environments. However, there is no robust predictive …

Omnivory has been implicated in both diffusing and intensifying the effects of consumer
control in food chains. Some have postulated that the strong, community level, top-down …

Fish communities in prairie wetlands are extremely dynamic. Due to complete winterkills and
periodic colonization, individual basins alternate between supporting a fish population and …

Abstract Space-time distribution of the zooplankton (Rotifera, Cladocera and Copepoda)
density along the central axis (horizontally and vertically) and the shores of La Concepción …

Experiences with lake food web biomanipulation have involved three basic biomanipulation
types, repeated in two freshwater environments with distinctly different physio‐chemical …

Planktivorous fish were hypothesised to influence the abundance of algal biomass in lakes
by changing zooplankton grazing, affecting zooplankton nutrient recycling and by direct …

Fish introductions are one of the most widespread anthropogenic perturbations to aquatic
ecosystems. Paradoxically, the effects of these introductions on aquatic ecosystems are …