The population dynamics of two cladocerans, Ceriodaphnia pulchella and Diaphanosoma brachyurum competing under laboratory conditions in lake water was analysed using crosscorrelations. Both mixed and isolated populations of the two cladocerans showed delayed densitydependence in the death rates of juveniles and adults as well as in fecundity rate. The regressions for each of the three rates on ...

We publish a data set of environmental and biological collected in 2000 during the ice-free period high mountain lakes located above local timberline Alps, Italy, Switzerland Austria. Environmental include coordinates, geographical attributes detailed information on vegetation, bedrock land use lake catchments. Chemical analyses sample for each at surface Summer are also reported. Biological ph...