Space Partition within Aquatic Ecosystems

distribution of the zoobenthos community in a woodland pond (Switzer-land).- Spatial patterns of planktonic microcrustaceans in a small shallow lake.- Space and time distribution of zooplankton in a Mediterranean lagoon (Etang de Berre).- Feeding behavior and migrations in a natural population of the copepod Acartia tonsa.- Two: Vertebrates.- Habitat variability and space utilization by the amphibian communities of the French Upper-Rhône floodplain.- Heterogeneity and typology of fish habitat in the main stream of a Breton coastal river (Elorn-Finistère, France).- Analysis of spatial and temporal organization in a salmonid brook in relation to physical factors and macrophytic vegetation.- Reproduction, condition and food of adult arctic charr (Salvelinus alpinus, L.) in Lake Pavin (Massif Central, France).- Sand smelt (Atherina boyeri) migration within the water system of the Camargue, southern France.- Spatial pattern of size distribution of four fish species on Réunion coral reef flats.- Microhabitat requirements for settlement of juveniles sparid fishes on Mediterranean rocky shores.- Spatial and temporal separation of littoral zone fishes of Lake Geneva (Switzerland-France).- Effects of vertical prey distribution on the food-searching behavior of Danube bleak Chalcal-burnus chalcoides mento.- Temporal distribution of perch (Perca fluviatilis L.) in a lake-reservoir (Moselle, France): analysis of catches with vertical gill nets.- Impact of Caulerpa taxifola colonization on the littoral ichthyofauna of North-Western Mediterranean sea: preliminary results.-Ichthyogeographic regions and watershed size in the French river Rhône network.- Three: Methodology.- In situ observation of suspended solid aggregates in rivers.- Multi-scale heterogeneity in a macrobenthic epifauna community.- Examination through a Principal Component Analysis of the phosphorus exchanges between sediments and water in trophically different reservoirs.- 31P-NMR study of natural phytoplankton samples.- Mass-marking of bone tissue of Coregonus lavaretus L. and its potential application to moni-toring the spatio-temporal distribution of larvae, fry and juveniles of lacustrine fishes.- A survey of the spawning of perch (Perca fluviatilis), pike (Esox lucius), and roach (Rutilus rutilus), using artificial spawning substrates in lakes.- An acoustic telemetry study of seabream (Spams aurata L.): first results on activity rhythm, effects of environmental variables and space utilization.- Using multivariate analyses for separating spatial and temporal effects within species-environment relationships.- Contribution of mathematical modeling to lake ecosystem understanding: Lake Bourget (Savoy, France).