Search Results - "PERGA, M. E."

Local human pressures influence gene flow in a hybridizing Daphnia species complex by Alric, B, Möst, M, Domaizon, I, Pignol, C, Spaak, P, Perga, M.‐E

“…Anthropogenic environmental changes are considered critical drivers of the genetic structure of populations and communities through, for example, the…”
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DNA from lake sediments reveals the long-term dynamics and diversity of Synechococcus assemblages by Domaizon, I, Savichtcheva, O, Debroas, D, Arnaud, F, Villar, C, Pignol, C, Alric, B, Perga, M. E

“…While picocyanobacteria (PC) are important actors in carbon and nutrient cycles in aquatic systems, factors controlling their interannual dynamics and…”
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How well can the fatty acid content of lake seston be predicted from its taxonomic composition by BEC, A, PERGA, M.-E, DESVILETTES, C, BOURDIER, G

“…1. Results from the few field studies that have tried to relate seston taxonomic and fatty acid (FA) composition suggest that phytoplankton composition only…”
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'Are Fish What They Eat' All Year Round? by Perga, M. E., Gerdeaux, D.

“…Isotope turnover in muscle of ectotherms depends primarily on growth rather than on metabolic replacement. Ectotherms, such as fish, have a discontinuous…”
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4D sedimentological approach to reconstructing the flood frequency and intensity of the Rhône River (Lake Bourget, NW European Alps) by Jenny, J.-P, Wilhelm, B, Arnaud, F, Sabatier, P, Giguet Covex, C, Mélo, A, Fanget, B, Malet, E, Ployon, E, Perga, M. E

“…A high-resolution sedimentological study of Lake Bourget was conducted to reconstruct the flood frequency and intensity (or magnitude) in the area over the…”
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Is PCBs concentration variability between and within freshwater fish species explained by their contamination pathways? by Lopes, C., Perga, M.-E., Peretti, A., Roger, M.-C., Persat, H., Babut, M.

“…► We study PCB contamination pathways to explain within- and between-species variability. ► We test the role played by feeding habitats by an improved SIA…”
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Origins of carbon sustaining the growth of whitefish Coregonus lavaretus early larval stages in Lake Annecy: insights from fatty-acid biomarkers by Perga, M.-E., Bec, A., Anneville, O.

“…The hypothesis that diatom carbon (C) produced during the spring peak supported spring zooplankton production and, ultimately, the growth of Coregonus…”
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A rotiferan version of the punishment of Sisyphus? by Perga, M. E., Syarki, M., Kalinkina, N., Bouffard, D.

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Trophic position and individual feeding habits as drivers of differential PCB bioaccumulation in fish populations by Masset, T., Frossard, V., Perga, M.E., Cottin, N., Piot, C., Cachera, S., Naffrechoux, E.

“…Despite PCBs being banned since the 1980's, some European peri-alpine lakes, and consequently their fish populations, are still contaminated by these…”
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Variability in epilimnion depth estimations in lakes by Wilson, Harriet L, Ayala, Ana I, Jones, Ian D, Rolston, Alec, Pierson, Don, de Eyto, Elvira, Grossart, Hans-Peter, Perga, Marie-Elodie, Woolway, R. Iestyn, Jennings, Eleanor

“…The epilimnion is the surface layer of a lake typically characterised as well mixed and is decoupled from the metalimnion due to a steep change in density. The…”
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Seasonal variability in the δ13C and δ15N values of the zooplankton taxa in two alpine lakes by PERGA, M.-E, GERDEAUX, D

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Using the δ13C and δ15N of whitefish scales for retrospective ecological studies: changes in isotope signatures during the restoration of Lake Geneva, 1980-2001 by Perga, M. E., Gerdeaux, D.

“…The scales of whitefish Coregonus lavaretus were used in place of dorsal muscle, which necessitates killing the fish, to study food webs from the δ13C and δ15N…”
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Hydroacoustic assessment of young-of-year perch, Perca fluviatilis, population dynamics in an oligotrophic lake (Lake Annecy, France) by GUILLARD, J., PERGA, M. E., COLON, M., ANGELI, N.

“…A cohort of perch, Perca fluviatilis (L.) was monitored from hatching to first winter in the oligotrophic Lake Annecy, France, by combining hydroacoustic and…”
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Are flood-driven turbidity currents hot-spots for priming effect in lakes? by Bouffard, D, Perga, M.-E

“…In deep stratified lakes, such as Lake Geneva, flood-driven turbidity currents are thought to contribute to the replenishment of deep oxygen by significant…”
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Enhanced bioavailability of dissolved organic matter (DOM) in human-disturbed streams in Alpine fluvial networks by Lambert, Thibault, Perolo, Pascal, Escoffier, Nicolas, Perga, Marie-Elodie

“…The influence of human activities on the role of inland waters in the global carbon (C) cycle is poorly constrained. In this study, we investigated the impact…”
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Are flood-driven turbidity currents hot spots for priming effect in lakes? by Bouffard, Damien, Perga, Marie-Elodie

“…In deep stratified lakes, such as Lake Geneva, flood-driven turbidity currents are thought to contribute to the replenishment of deep oxygen by significant…”
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Particle-Dissolved Phase Partition of Polychlorinated Biphenyls in High Altitude Alpine Lakes by Nellier, Yann-Michel, Perga, Marie-Elodie, Cottin, Nathalie, Fanget, Philippe, Naffrechoux, Emmanuel

“…We investigated whether polychlorinated biphenyls (PCBs) partitioning between the dissolved and particulate phases in two high altitude alpine lakes was…”
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Accounting for surface waves improves gas flux estimation at high wind speed in a large lake by Perolo, Pascal, Fernández Castro, Bieito, Escoffier, Nicolas, Lambert, Thibault, Bouffard, Damien, Perga, Marie-Elodie

“…The gas transfer velocity (k) is a major source of uncertainty when assessing the magnitude of lake gas exchange with the atmosphere. For the diversity of…”
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Seasonal variability in the delta C-13 and delta N-15 values of the zooplankton taxa in two alpine lakes by Perga, Marie-Elodie, Gerdeaux, Daniel

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Trophic history of French sub-alpine lakes over the last ~150 years: phosphorus reconstruction and assessment of taphonomic biases by Berthon, Vincent, Marchetto, Aldo, Rimet, Frédéric, Dormia, Emmanuelle, Jenny, Jean-Philippe, Pignol, Cécile, Perga, Marie-Elodie

“…Like many lakes worldwide, French sub-alpine lakes (lakes Annecy, Bourget and Geneva) have suffered from eutrophication in the mid-20th century. Although…”
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