Christine Paillès
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View article: Drought events during the African Humid Period suggest future drying of the Sahara
Drought events during the African Humid Period suggest future drying of the Sahara Open
The Sahara and the Sahel are currently experiencing an increase in rainfall during the rainy season, possibly related to the strengthening of the hydrological cycle induced by global warming. However, the slowdown of the Atlantic Meridiona…
View article: Projet Collectif de Recherche « Juliobona, capitale des Calètes ». Rapport d'opération 2022-2023
Projet Collectif de Recherche « Juliobona, capitale des Calètes ». Rapport d'opération 2022-2023 Open
Mis en place au début de l’année 2021, le Projet Collectif de Recherche « Juliobona, capitale des Calètes » (PCR Cap. Cal.) a été poursuivi et consolidé lors d’une seconde année probatoire (2022). En accord avec la conservatrice régionale …
View article: Influence of the Rhone River intrusion on microplastic distribution in the Bay of Marseille
Influence of the Rhone River intrusion on microplastic distribution in the Bay of Marseille Open
View article: Coupling High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy with Microfluidic Cells for in Situ Monitoring of Tungsten Nanoparticles Redox Transformation
Coupling High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy with Microfluidic Cells for in Situ Monitoring of Tungsten Nanoparticles Redox Transformation Open
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View article: Dinocyst assemblages and water surface conditions in the Sea of Marmara during MIS 6 and 5 from two long cores
Dinocyst assemblages and water surface conditions in the Sea of Marmara during MIS 6 and 5 from two long cores Open
View article: Juliobona : pour une géoarchéologie antique - Trajectoire environnementale holocène d’une vallée anthropisée affluente de la basse Seine
Juliobona : pour une géoarchéologie antique - Trajectoire environnementale holocène d’une vallée anthropisée affluente de la basse Seine Open
View article: The African Holocene Humid Period in the Tibesti mountains (central Sahara, Chad): Climate reconstruction inferred from fossil diatoms and their oxygen isotope composition
The African Holocene Humid Period in the Tibesti mountains (central Sahara, Chad): Climate reconstruction inferred from fossil diatoms and their oxygen isotope composition Open
View article: MICROPLASTICS SPATIOTEMPORAL DISTRIBUTION AND ABUNDANCE IN WATER AND SEDIMENTS FROM THE BAY OF MARSEILLE
MICROPLASTICS SPATIOTEMPORAL DISTRIBUTION AND ABUNDANCE IN WATER AND SEDIMENTS FROM THE BAY OF MARSEILLE Open
The Bay of Marseille (North-western Mediterranean Sea, France) is bordered by an over urbanised coastline and faces high anthropogenic pressure. We studied the spatiotemporal concentration of microplastics (MP) in surface waters and sedime…
View article: A diatom-based predictive model for inferring past conductivity in Chadian Sahara lakes
A diatom-based predictive model for inferring past conductivity in Chadian Sahara lakes Open
View article: Staurophora ouniangaensis sp. nov. (Bacillariophyceae, Anomoeoneidaceae), a new diatom from the Ounianga Lakes in the Sahara, Chad
Staurophora ouniangaensis sp. nov. (Bacillariophyceae, Anomoeoneidaceae), a new diatom from the Ounianga Lakes in the Sahara, Chad Open
Modern diatom assemblages were investigated in the Ounianga Lakes located in the driest part of the Chadian Sahara. These lakes still exist today due to groundwater seepage. They contain a variety of diatom species, one of which could not …
View article: Reconstruction of limnological and environmental variations in the lake Lauzet (Southern Alps) during the last 3 centuries : contribution of diatoms
Reconstruction of limnological and environmental variations in the lake Lauzet (Southern Alps) during the last 3 centuries : contribution of diatoms Open
View article: The Holocene African Humid Period from Tibesti mountains (Chad): Contribution of the fossil assemblage and the oxygen isotopic composition from lacustrine diatoms
The Holocene African Humid Period from Tibesti mountains (Chad): Contribution of the fossil assemblage and the oxygen isotopic composition from lacustrine diatoms Open
<p>During the Holocene (0-11.7 ka BP), the subtropical regions of Africa were characterized by very significant climatic changes. These changes were evidenced by variations in lake levels which reflect the balance between precipitati…
View article: New fossil genus and new extant species of diatoms (Stephanodiscaceae, Bacillariophyceae) from Pleistocene sediments in the Neotropics (Guatemala, Central America): adaptation to a changing environment?
New fossil genus and new extant species of diatoms (Stephanodiscaceae, Bacillariophyceae) from Pleistocene sediments in the Neotropics (Guatemala, Central America): adaptation to a changing environment? Open
Several taxa of Stephanodiscaceae were found in the upper section of Pleistocene sediments from Lake Petén-Itzá (Guatemala). A new fossil genus Cyclocostis Paillès gen. nov. and new extant species Discostella gabinii Paillès & Sylvestre sp…
View article: New fossil genus and new extant species of diatoms (Stephanodiscaceae, Bacillariophyceae) from Pleistocene sediments in the Neotropics (Guatemala, Central America): adaptation to a changing environment?
New fossil genus and new extant species of diatoms (Stephanodiscaceae, Bacillariophyceae) from Pleistocene sediments in the Neotropics (Guatemala, Central America): adaptation to a changing environment? Open
This dataset contains the digitized treatments in Plazi based on the original journal article Paillès, Christine, Sylvestre, Florence, Tonetto, Alain, Mazur, Jean-Charles, Conrod, Sandrine (2020): New fossil genus and new extant species of…
View article: Diatom-oxygen isotope record from high-altitude Lake Petit (2200 m a.s.l.) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 ka
Diatom-oxygen isotope record from high-altitude Lake Petit (2200 m a.s.l.) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 ka Open
In the Mediterranean area, the 4.2 ka BP event is recorded with contrasting expressions between regions. In the southern Alps, the high-altitude Lake Petit (Mercantour Massif, France; 2200 m a.s.l.) offers pollen and diatom-rich sediments …
View article: Diatom-oxygen isotopic record from high-altitude Petit Lake (2200 m a.s.l) in the Mediterranean Alps: shedding light on a climatic pulse
Diatom-oxygen isotopic record from high-altitude Petit Lake (2200 m a.s.l) in the Mediterranean Alps: shedding light on a climatic pulse Open
The 4.2 kyrs event, used as a marker of holocene stratigraphy, has been described as a rapid climate change in the northern hemisphere triggering droughts in the Mediterranean region. However, the severity and geographical extent of this e…
View article: Cyclotella petenensis and Cyclotella cassandrae, two new fossil diatoms from Pleistocene sediments of Lake Petén-Itzá, Guatemala, Central America
Cyclotella petenensis and Cyclotella cassandrae, two new fossil diatoms from Pleistocene sediments of Lake Petén-Itzá, Guatemala, Central America Open
While analyzing the fossil diatom flora in one of the longest paleolimnological records (core PI-6) from Lake Petén-Itzá, lowland Guatemala, we encountered Aulacoseira Thwaites, Cyclotella (Kützing) and Discostella (Cleve & Grunow) Houk & …
View article: Multiproxy analyses of Lake Allos reveal synchronicity and divergence in geosystem dynamics during the Lateglacial/Holocene in the Alps
Multiproxy analyses of Lake Allos reveal synchronicity and divergence in geosystem dynamics during the Lateglacial/Holocene in the Alps Open
View article: Novel insights from coleopteran and pollen evidence into the Lateglacial/Holocene transition in Aubrac, French Massif Central
Novel insights from coleopteran and pollen evidence into the Lateglacial/Holocene transition in Aubrac, French Massif Central Open
View article: Environmental and climate reconstruction of the late-glacial-Holocene transition from a lake sediment sequence in Aubrac, French Massif Central: Chironomid and diatom evidence
Environmental and climate reconstruction of the late-glacial-Holocene transition from a lake sediment sequence in Aubrac, French Massif Central: Chironomid and diatom evidence Open
View article: A multidisciplinary investigation of a holocene lake sediment sequence in the Southern French Alps at Lake Petit (Mercantour, 2200 m a.s.l., France): history of a disturbed geosystem
A multidisciplinary investigation of a holocene lake sediment sequence in the Southern French Alps at Lake Petit (Mercantour, 2200 m a.s.l., France): history of a disturbed geosystem Open
View article: Lake Chad sedimentation and environments during the late Miocene and Pliocene: New evidence from mineralogy and chemistry of the Bol core sediments
Lake Chad sedimentation and environments during the late Miocene and Pliocene: New evidence from mineralogy and chemistry of the Bol core sediments Open
View article: High-resolution paleolimnology opens new management perspectives for lakes adaptation to climate warming
High-resolution paleolimnology opens new management perspectives for lakes adaptation to climate warming Open
Varved lake sediments provide opportunities for high-resolution paleolimnological investigations that may extend monitoring surveys in order to target priority management actions under climate warming. This paper provides the synthesis of …
View article: Impact of Bolivian paleolake evaporation on the δ18O of the Andean glaciers during the last deglaciation (18.5–11.7 ka): diatom-inferred δ18O values and hydro-isotopic modeling
Impact of Bolivian paleolake evaporation on the δ18O of the Andean glaciers during the last deglaciation (18.5–11.7 ka): diatom-inferred δ18O values and hydro-isotopic modeling Open
View article: Diatom, phytolith, and pollen records from a 10Be/9Be dated lacustrine succession in the Chad basin: Insight on the Miocene–Pliocene paleoenvironmental changes in Central Africa
Diatom, phytolith, and pollen records from a 10Be/9Be dated lacustrine succession in the Chad basin: Insight on the Miocene–Pliocene paleoenvironmental changes in Central Africa Open
View article: 5000 years of lacustrine ecosystem changes from Lake Petit (Southern Alps, 2200 m a.s.l.): Regime shift and resilience of algal communities
5000 years of lacustrine ecosystem changes from Lake Petit (Southern Alps, 2200 m a.s.l.): Regime shift and resilience of algal communities Open
Sediments from Lake Petit (2200 m a.s.l., Southern Alps) are particularly relevant for analysis of coupled landscape palaeoecology and palaeolimnology. Diatom assemblages, organic matter composition of sediments (total nitrogen and organic…