Zobrazeno 1 - 10
of 62
pro vyhledávání: '"G. Bertru"'
Autor:
G. Bertru, H. Le Louarn
Publikováno v:
Revue des sciences de l'eau. 4:315-327
Si de nombreux travaux ont porté sur l'influence des piscicultures intensives sur les rivières, on s'est peu intéressé aux conséquences des nombreuses créations de plan d'eau sur le milieu. Le but de cet article est de présenter en s'appuyant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6abd5c2d6cca79ca472ae624b702036e
https://doi.org/10.7202/705102ar
https://doi.org/10.7202/705102ar
Autor:
C. Quiblier-Llobéras, C. Vezie, Alain Couté, G. Sarazin, C. Robillot, Luc Brient, Cécile Bernard, N. Tandeau De Marsac, G. Bertru, M. C. Hennion
Publikováno v:
Revue des sciences de l'eau. 15:315-326
Une enquête menée à l'aide d'un questionnaire couvrant l'ensemble du territoire français ainsi que l'étude spécifique d'écosystèmes aquatiques de type lacs et réservoirs ont permis de montrer que les proliférations de cyanobactéries toxiqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81697ce2ddc712ebfb714aa98bd317f5
https://doi.org/10.7202/705455ar
https://doi.org/10.7202/705455ar
Characterization of free-living and attached bacteria in sediments colonized by Hediste diversicolor
Publikováno v:
Aquatic Microbial Ecology. 32:165-174
The dynamics of free-living and attached bacteria populations were studied in salt marsh sediments that were extensively colonized by the polychaete Hediste (Nereis) diversicolor (O. F. Muller). Bioturbation by H. diversicolor affected the density an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::151a7aeb18cc9a84954e5b878619d18d
https://doi.org/10.3354/ame032165
https://doi.org/10.3354/ame032165
Publikováno v:
Geomicrobiology Journal. 18:139-155
Many hardwater rivers of the Seine basin (France) have gradually become affected by extensive stromatolite ( sensu Monty 1973) growth during the last 30 years. In some cases, calcareous buildup development is fast enough to cement large sectors of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74f51d82a3471494ef9f22b6e992f706
https://doi.org/10.1080/01490450117943
https://doi.org/10.1080/01490450117943
An international symposium on `Ocean, River and Lakes: Energy and Substance Transfers at Interfaces'was held in Nantes, France in October 1996. It was the third International Joint Conference on Limnology and Oceanography which brings together specia
Autor:
Françoise Lucas, G. Bertru
Publikováno v:
Journal of Experimental Marine Biology and Ecology. 215:235-245
The bacteriolytic activity in the polychaete Nereis diversicolor was investigated in extracts of faeces and sediment, and in three sections of the digestive tract: foregut, midgut and hindgut. Using agarose-gel tests, we found a lysozyme-like activit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2e0088f57352cdb8a7778195ba8f460
https://doi.org/10.1016/s0022-0981(97)00051-8
https://doi.org/10.1016/s0022-0981(97)00051-8
Autor:
Luc Brient, G. Bertru, C. Vezie, Mirja Salkinoja-Salonen, Kaarina Sivonen, Jean-Claude Lefeuvre
Publikováno v:
University of Helsinki
A survey of the occurrence of microcystin-containing cyanobacterial blooms in the freshwaters of Brittany was made in September 1994. Twenty-nine sites, including rivers, ponds and reservoirs were studied. Cyanobacteria were present in twenty-five si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cefcb13f7c22bdc376dd5162b8c68640
https://doi.org/10.1127/archiv-hydrobiol/139/1997/401
https://doi.org/10.1127/archiv-hydrobiol/139/1997/401
Autor:
B. Le Rouzic, G. Bertru
Publikováno v:
Acta Oecologica. 18:121-133
Examination of published experimental data showed that nutrient addition can sometimes inhibit growth rate of natural algal communities. Such reductions in algal growth might be due to toxic effects of some enrichments. This hypothesis could not howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c58209b6f906b1d7feccfddc08d63e11
https://doi.org/10.1016/s1146-609x(97)80069-0
https://doi.org/10.1016/s1146-609x(97)80069-0
Publikováno v:
Phycologia. 35:198-202
Cyanobacterial samples were collected from ponds, water supplies and rivers in Brittany 1991–1993. Strains belonging to Microcystis, Anabaena, Aphanizomenon and Oscillatoria were isolated and maintained in culture. Toxicity of the strains was asses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa33352d50e35611bb0dc144de416148
https://doi.org/10.2216/i0031-8884-35-6s-198.1
https://doi.org/10.2216/i0031-8884-35-6s-198.1
Publikováno v:
Annales de Limnologie - International Journal of Limnology. 32:123-128
Une recherche de toxicite a ete realisee sur dix-huit souches isolees a partir d'efflorescences de cyanobacteries recoltees dans l'Ouest de la France et deux souches provenant de cultures de collection. Un biotest base sur la sensibilite de larves d'
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db21fade15f4e8cbe9d6a5d96ed19af0
https://doi.org/10.1051/limn/1996009
https://doi.org/10.1051/limn/1996009