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Registros recuperados: 4
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Numération et approche qualitative des populations bactériennes des lagunes aménagées de Certes (Arcachon). I. Bactéries hétérotrophés aérobies ArchiMer
Baleux, B.; Caumette, P.; Trousselier, M..
Numeration, biomass, distribution within time, some physiological characters and a taxonomical outline, with a standardized micro method, of aerobic hétérotrophie bacteria isolated from sediments an waters, from fishponds of "Domaine de Certes" (Arcachon) from june 1977 to may 1978 are described. Number of hétérotrophie bacteria evolved in a significant way, according to seasons, and bacterial biomass is higher in the sediments than in the waters. Metabolic or physiological differences (proteolysis, denitrification) appeared among populations due to the origin of sediments. Moreover the qualitative study pointed out taxonomical units as Bacillus associated to seasons, or Agrobacterium associated to vegetable detritical sediments.
Tipo: Text Palavras-chave: Lagunes; Bactéries hétérotrophes aerobies; Biomasse; Taxonomie; Micro méthode; Enzymatiques; Lagoons; Aerobic heterotrophic bacteria; Biomass; Taxonomy; Enzymatic micro methods.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41677/40886.pdf
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Numération et approche qualitative des populations bactériennes des lagunes aménagées de Certes (Arcachon). II. Bactéries sulfo-oxydantes photosynthétiques ArchiMer
Baleux, B.; Caumette, P.; Trousselier, M..
Chromatiaceae are unceasing present in the sediment of Certes's lagoons. The genera isolated ares Thiocapsa (80%),Chromatium and Ectothio- rhodospira. From august to October 1977, physical-chemical and bacteriological analysis, in red water present in lagoons, show the Chromatiaceae proliferation and presence of hydrogen sulfide. In October 1977, a study of white water development display the absence of sulphurbacteria and the presence of hydrogen sulfide,carbon dioxide and carbonate. The important role of photo­trophic bacteria in the sulphur cycle are demonstrated by comparison between these waters.
Tipo: Text Palavras-chave: Bactéries phototrophes; Eaux rouges; Eaux blanches; Lagunes; Phototrophic bacteria; Red water; White water; Lagoons.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41678/40887.pdf
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Qualité des eaux littorales. Etude expérimentale dans un pilote à flux continu de l'évolution des bactéries d'un effluent urbain en milieu marin. Données préliminaires ArchiMer
Martin, Y.; Baleux, B.; Bonnefont, J.l.; Equel, J.c.; Got, P.; Lelong, P.; Tanguy, B.; Trousselier, M..
Des expériences antérieures effectuées dans un pilote expérimental clos avaient permis d'évaluer la vitesse de disparition (T90 ) des entérobactéries d'un effluent urbain dans l'eau de mer. Afin de se rapprocher des conditions du milieu naturel, il convenait de vérifier les résultats obtenus dans un modèle à flux continu de grand volume permettant entre autre d'estimer les effets de l'apport continu d'effluent et d'eau de mer et de faire varier la dilution et la vitesse de passage des germes dans des zones de dilutions successives.
Tipo: Text
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00060/17162/14664.pdf
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Structure des peuplements bactériens : approche méthodologique et premiers résultats en milieux lagunaires ArchiMer
Troussellier, M; Baleux, B..
After the enumeration of hétérotrophie bacteria from mediterranean and atlantic lagoons water and sediment by means of cultural methods, the qualitative study of each bacteria is carried on with the help of the API 20 B standardized microbiological method. The distinctive characteristics of bacteria of each communities are coded so that to build matrix of binary data. The grouping of bacteria is realized by means of both linnean systematic and numerical taxonomy. The communities structure they constitute found expres­sion in a systematic dominance index (D2), a Shannon taxonomic regularity index (J) and a "functionnal" regularity index (E). To have a better description and interpretation of the main ecological features of bacterial communities, it seems...
Tipo: Text Palavras-chave: Bactéries hétérotrophes aérobies; Etangs saumâtres; Taxonomie; Peuplements; Paramètres de structure.
Ano: 1982 URL: http://archimer.ifremer.fr/doc/00306/41745/40956.pdf
Registros recuperados: 4
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