2003
DOI: 10.1016/s1631-0691(03)00125-2
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Cartographie des peuplements du microphytobenthos par télédétection spatiale visible-infrarouge dans un écosystème conchylicole

Abstract: Présenté par Lucien Laubier RésuméL'objectif de ce travail est d'évaluer l'intérêt de la télédétection multispectrale (SPOT) dans le domaine visible-infrarouge, pour l'étude des peuplements du microphytobenthos à l'échelle d'un écosystème côtier turbide, la baie de Bourgneuf (France), baie à caractère conchylicole. Cette étude repose sur l'étalonnage d'images satellitales à partir de mesures radiométriques de terrain, étape indispensable avant toute analyse d'image. Après étalonnage, le calcul de l'indice de v… Show more

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Cited by 41 publications
(51 citation statements)
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“…Perennial MPB biofilms dominated by epipelic diatoms were previously observed in the same area using satellite data (Méléder et al, 2003). In addition, in order to investigate the effect of oysters on MPB spatial distribution, an experiment was conducted following a before-after control-impact (BACI) design (Stewart-Oaten et al, 1986) on two C. gigas wild oyster reefs surrounded by MPB biofilms (Fig.…”
Section: Study Site and Experimentsmentioning
confidence: 97%
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“…Perennial MPB biofilms dominated by epipelic diatoms were previously observed in the same area using satellite data (Méléder et al, 2003). In addition, in order to investigate the effect of oysters on MPB spatial distribution, an experiment was conducted following a before-after control-impact (BACI) design (Stewart-Oaten et al, 1986) on two C. gigas wild oyster reefs surrounded by MPB biofilms (Fig.…”
Section: Study Site and Experimentsmentioning
confidence: 97%
“…After the oysters were killed, MPB patches regularly showed a more complex and disaggregated structure instead of the regular patch shape usually observed. Variations in bathymetry, tidal dynamics, sediment type, irradiance and grazing had already been documented as factors structuring MPB spatio-temporal distribution (Brotas et al, 1995;Méléder et al, 2003;Sahan et al, 2007;Ribeiro et al, 2013). However, to date there are only a few studies which have explicitly investigated the influence of nearby macrobenthic communities on MPB dynamics (Dame, 1993;Méléder et al, 2003Newell, 2004;Engel et al, 2017).…”
Section: Oyster Reefs Influence On Mpb Biofilm Developmentmentioning
confidence: 99%
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“…In many mudflat MPB biofilms are visible from space, and they have been studied using airborne and satellite remote sensing (Méléder et al, 2003;van der Wal et al, 2010;Kazemipour et al, 2012;Brito et al, 2013). Although MPB main ecological functions are carried out when it is organized in the form of biofilms, benthic microalgae can also be resuspended into the water column together with other sedimentary particles throughout the tidal cycle (Koh et al, 2006;Ubertini et al, 2012).…”
Section: Introductionmentioning
confidence: 99%