Hélène MASCLAUX

Chrono-environnement - UMR 6249
Campus de la Bouloie
16 rue de Gray
25030 Besançon

Hélène Masclaux

Assistant Professor
DYNABIO

helene.masclaux@-Code to remove to avoid SPAM-univ-fcomte.fr
+33 (0)3 81 66 63 66, room -209K

Limnology, food webs, carbon cycle, stable isotopes, disturbances

My current research activities focus on understanding the trophic functioning of lakes and lentic systems and their role in the carbon cycle. With my colleagues, we are looking in particular to assess how land use or the presence of disturbances in the catchment area can impact the origin and transfer of carbon consumed by benthic or pelagic consumers by combining neo- and palaeolimnological approaches. Among other things, this work will enable us to assess the conditions favouring methane production in lake sediments and to study its transfer in food webs.

Current projects :

IRP Cold Forests 2021-2026.
Carbonium (PEPR FairCarboN targeted project) 2023-2026
DEEP-C (PEPR FairCarboN open project) 2023-2026
CARLA 2023-2026

 

Journal articles

2022

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Valentin Essert, Hélène Masclaux, Valérie Verneaux, Emilie Lyautey, David Etienne, et al.. Spatial and seasonal variability of the carbon isotopic signature of Daphnia and their ephippia in four French lakes: Implications for the study of carbon transfers in lake food webs. Freshwater Biology, 2022, 67 (8), pp.1439-1455. ⟨10.1111/fwb.13952⟩. ⟨hal-03937095⟩
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Valentin Essert, Hélène Masclaux, Valérie Verneaux, Laurent Millet. Influence of thermal regime, oxygen conditions and land use on source and pathways of carbon in lake pelagic food webs. Ecoscience, 2022, 29 (4), pp.293-310. ⟨10.1080/11956860.2022.2094630⟩. ⟨hal-03852878⟩
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2021

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Vincent Tardy, David Etienne, Hélène Masclaux, Valentin Essert, Laurent Millet, et al.. Spatial distribution of sediment archaeal and bacterial communities relates to the source of organic matter and hypoxia – a biogeographical study on Lake Remoray (France). FEMS Microbiology Ecology, 2021, 97 (10), ⟨10.1093/femsec/fiab126⟩. ⟨hal-03439896⟩
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2019

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Charles Henriot, Quentin Cuenot, Lise-Hélène Levrey, Christophe Loup, Landry Chiarello, et al.. Relationships between key functional traits of the waterlily Nuphar lutea and wetland nutrient content. PeerJ, 2019, 7, ⟨10.7717/peerj.7861⟩. ⟨hal-02372966⟩
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https://hal.science/hal-02372966/file/peerj-7861-Henriot.pdf BibTex
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Charles Henriot, Daniel Martak, Quentin Cuenot, Christophe Loup, Hélène Masclaux, et al.. Occurrence and ecological determinants of the contamination of floodplain wetlands with Klebsiella pneumoniae and pathogenic or antibiotic-resistant Escherichia coli. FEMS Microbiology Ecology, 2019, 95 (8), ⟨10.1093/femsec/fiz097⟩. ⟨hal-02315686⟩
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https://hal.science/hal-02315686/file/Henriot2019_FEMS.pdf BibTex

2017

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Maiko Kagami, Yasumichi Motoki, Hélène Masclaux, Alexandre Bec. Carbon and nutrients of indigestible pollen are transferred to zooplankton by chytrid fungi. Freshwater Biology, 2017, 62 (5), pp.954-964. ⟨10.1111/fwb.12916⟩. ⟨hal-01515596⟩
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Hélène Masclaux, Nicole B. Richoux. Effects of temperature and food quality on isotopic turnover and discrimination in a cladoceran. Aquatic Ecology, 2017, 54, pp.33-44. ⟨10.1007/s10452-016-9592-1⟩. ⟨hal-01515598⟩
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2015

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Hélène Masclaux, Sébastien Tortajada, Olivier Philippine, François-Xavier Robin, Christine Dupuy. Planktonic food web structure and dynamic in freshwater marshes after a lock closing in early spring. Aquatic Sciences - Research Across Boundaries, 2015, 77, pp.115-128. ⟨10.1007/s00027-014-0376-1⟩. ⟨hal-01117285⟩
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2014

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M. Marquet, H. Masclaux, J. Champagnon, Marie-Christine Eybert. Sélection de l’habitat, biologie de la reproduction et estimation de la population chez la Gorgebleue à miroir blanc de Nantes Luscinia svecica namnetum dans les marais briérons. Alauda, 2014, 82, pp.177-192. ⟨hal-01109691⟩
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Hélène Masclaux, Gilles Bourdier, Lionel Jouve, Emilie Duffaud, Alexandre Bec. Temporal changes in essential fatty acid availability in different food sources in the littoral macrophyte zone. Hydrobiologia, 2014, 736 (1), pp.127-137. ⟨hal-01983221⟩
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Hélène Masclaux, Gilles Bourdier, Pascal Riera, Martin J. Kainz, Lionel Jouve, et al.. Resource partitioning among cladocerans in a littoral macrophyte zone: implications for the transfer of essential compounds. Aquatic Sciences - Research Across Boundaries, 2014, 76 (1), pp.73-81. ⟨10.1007/s00027-013-0314-7⟩. ⟨hal-01255945⟩
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2013

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Hélène Masclaux, Marie-Elodie Perga, Maiko Kagami, Christian Desvilettes, Gilles Bourdier, et al.. How pollen organic matter enters freshwater food webs. Limnology and Oceanography Bulletin, 2013, 58 (4), pp.1185-1195. ⟨10.4319/lo.2013.58.4.1185⟩. ⟨hal-02092859⟩
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2012

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Hélène Masclaux, Alexandre Bec, Martin Kainz, Fanny Perrière, Christian Desvilettes, et al.. Accumulation of polyunsaturated fatty acids by cladocerans: effects of taxonomy, temperature and food. Freshwater Biology, 2012, 57 (4), pp.696-703. ⟨10.1111/j.1365-2427.2012.02735.x⟩. ⟨hal-02092825⟩
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Hélène Masclaux, Alexandre Bec, Gilles Bourdier. Trophic partitioning among three littoral microcrustaceans: relative importance of periphyton as food resource. Annales de Limnologie - International Journal of Limnology, 2012, 71 (2), pp.28. ⟨10.4081/jlimnol.2012.e28⟩. ⟨hal-02092841⟩
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2011

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Hélène Masclaux, Alexandre Bec, Maiko Kagami, Marie-Elodie Perga, Télesphore Sime-Ngando, et al.. Food quality of anemophilous plant pollen for zooplankton. Limnology and Oceanography, 2011, 56 (3), pp.939-946. ⟨10.4319/lo.2011.56.3.0939⟩. ⟨hal-02650779⟩
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2009

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Hélène Masclaux, Alexandre Bec, J. Martin Kainz, Christian Desvilettes, Lionel Jouve, et al.. Combined effects of food quality and temperature on somatic growth and reproduction of two freshwater cladocerans. Limnology and Oceanography, 2009, 54 (4), pp.1323-1332. ⟨10.4319/lo.2009.54.4.1323⟩. ⟨hal-00525522⟩
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Theses

2011

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Hélène Masclaux. Diversité des interactions trophiques à l'interface microorganismes - microcrustacés dans une zone littorale à macrophytes : conséquences sur le transfert des acides gras essentiels. Sciences agricoles. Université Blaise Pascal - Clermont-Ferrand II, 2011. Français. ⟨NNT : 2011CLF22137⟩. ⟨tel-00673430⟩
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https://theses.hal.science/tel-00673430/file/2011CLF22137Masclaux.pdf BibTex