Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Pierre Lavandier"'
1
Drift and benthic population structure of the mayfly Rhithrogena semicolorata (Heptageniidae) under natural and hydropeaking conditions
Autor: Pierre Lavandier, M. Legalle, Régis Céréghino
Publikováno v: Hydrobiologia. 519:127-133
Are stream insects able to control their entry into the drift under all flow conditions? Do changes in streamflow patterns modify the typical drift patterns? Which larval instars are most affected by fluctuating flows? In order to document these ques
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c7a625232f019cfc33a7d4622cb8e0b
https://doi.org/10.1023/b:hydr.0000026499.53979.69
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2
Diel and seasonal variations in brown trout (Salmo trutta) feeding patterns and relationship with invertebrate drift under natural and hydropeaking conditions in a mountain stream
Autor: Pierre Lavandier, Alain Belaud, Régis Céréghino, Puy Lim, Thierry Lagarrigue, Rémi Chappaz, Patricia Reyes-Marchant
Publikováno v: Aquatic Living Resources. 15:129-137
The abundance of prey ingested by brown trout ( Salmo trutta ) were compared with the abundance of drifting invertebrates in a mountain stream managed by hydropeaking, upstream (site A) and downstream (site B) of a hydroelectric power plant. During p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbbb62eec2f5d3cf2581f3ca57d590d5
https://doi.org/10.1016/s0990-7440(02)01152-x
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3
Phytoplanktonic exudation, bacterial reassimilation and production for three diel cycles in different trophic conditions
Autor: Gilberto Pekala Alves, Pierre Lavandier, Muriel Petit
Publikováno v: Fundamental and Applied Limnology. 146:285-309
Three diel studies of algae-bacteria relationships were carried out in three French lakes of different trophic status. Primary production was measured by the 14 C incorporation method. Exudation and bacterial uptake rates of organic carbon excreted b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ccdca95963ce2a7a0ae15a2cfbcc795a
https://doi.org/10.1127/archiv-hydrobiol/146/1999/285
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4
Does storage affect epifluorescence microscopic counts of total bacteria in freshwater samples?
Autor: Muriel Petit, Frédéric Garabetian, Pierre Lavandier
Publikováno v: Comptes Rendus de l'Académie des Sciences - Series III - Sciences de la Vie. 322:779-784
Preservation with formalin and storage at 4 degrees C of freshwater samples, associated with sonication before counting, proved to be efficient for a few days of storage (no differences with the initial cell count within 7 d of storage); after 8 mont
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af1582d989dfb0246d0a927b07961707
https://doi.org/10.1016/s0764-4469(00)80036-0
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5
Influence of hypolimnetic hydropeaking on the distribution and population dynamics of Ephemeroptera in a mountain stream
Autor: Pierre Lavandier, Régis Céréghino
Publikováno v: Freshwater Biology. 40:385-399
Summary 1. The Ephemeroptera assemblage of the River Oriege (Pyrenees, France) was studied up- and downstream of a hydroelectric power plant with hypolimnetic releases from a nearby high altitude reservoir. The life histories and larval growth of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7a4a1d46e18d92bcabfaa825d440032
https://doi.org/10.1046/j.1365-2427.1998.00353.x
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6
Influence of hydropeaking on the distribution and larval development of the Plecoptera from a mountain stream
Autor: Régis Céréghino, Pierre Lavandier
Publikováno v: Scopus-Elsevier
The downstream distribution and larval development of the Plecoptera from a Pyrenean stream were studied upstream and downstream of a hydroelectric power plant with intermittent hypolimnetic releases. During power generation, flow and temperature wer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec65d74a9e12dc399d03bbc05b1ab70a
https://doi.org/10.1002/(sici)1099-1646(199805/06)14:3<297::aid-rrr503>3.0.co
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7
Influence des éclusées hydroélectriques sur la distribution et le développement larvaire des Diptères Simuliidae d'une rivière de moyenne montagne
Autor: Régis Céréghino, Pierre Lavandier
Publikováno v: Comptes Rendus de l'Académie des Sciences - Series III - Sciences de la Vie. 320:329-338
Resume La composition specifique, la distribution longitudinale et le developpement larvaire des Dipteres Simuliidae d'une riviere pyreneenne ont ete etudies en amont et en aval d'une usine hydroelectrique geree par eclusees. Regime hydrologique et r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::061282d3ff9e725cbd089da665b5b99c
https://doi.org/10.1016/s0764-4469(97)82775-8
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10
Dynamics of bacterioplankton in a mesotrophic French reservoir (Pareloup)
Autor: Pierre Lavandier
Publikováno v: Hydrobiologia. 207:79-86
Bacterioplankton abundance, biomass and production were studied at a central station (35 m depth) from April 1987 to September 1988 in a mesotrophic reservoir. Bacterial production was calculated by the (3H) thymidine method. For the water column, in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c1923ea0ff5018af3ac93a5b89d78fd
https://doi.org/10.1007/bf00041443
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