Jean-Claude Druart

Learn More
The first identification of anatoxin-a in a French lotic system is reported. Rapid deaths of dogs occurred in 2003 after the animals drank water from the shoreline of the La Loue River in eastern France. Sediments, stones and macrophytes surfaces at the margin of the river were covered by a thick biofilm containing large quantities of several benthic(More)
A diatom intercomparison exercise on sampling, slide preparation, countsand identification has been carried out in September 1999 with 24French-speaking diatomists on the River Loup (Alpes Maritimes, France). Fewoperators strictly respected the standard, especially for the number ofindividuals to be counted. It has however been demonstrated this had a very(More)
Irgarol 1051 is a recent herbicidal compound, inhibitor of photosynthesis, used in antifouling paints. This toxic is persistent in aquatic environments, with low abiotic and biotic degradation, highly phytotoxic, and has already been detected in estuaries and coastal areas, with suspected negative impacts on non-target organisms (aquatic plants and algae).(More)
The Stephanodiscus (Diatoms) of Lake Geneva: Taxonomic changes, description of a new species (Stephanodiscus irregularis) and seasonal distributions. Both light and electron microscopy have been used to describe the species of Stephanodiscus collected in the plankton of Lake Geneva (Lac Léman, France-Switzerland) during the last few years. Eight taxa have(More)
The genetic heterogeneity and the difficulty of accurate genetic counselling in some cases of osteogenesis imperfecta (OI) is shown by the present report. All signs characteristic of OI type II were observed in a newborn infant who died immediately after delivery: curved and deformed limbs, multiple bone fractures, enlarged and soft skull. An autosomal(More)
  • 1