SUR LA TRACE DES PESTICIDES
(dossier articles) Sur la trace des pesticides Qui des pesticides ? Un revers de la médaille La France, n° 1 des utilisateurs en Europe Des contaminations diffuses et ponctuelles Autant en emporte le vent Collés sur des poussières En suivant la pluie Fixés sur les particules du sol 0,1 % des pesticides passe dans la […]
LA LETTRE DE L’OBSERVATOIRE DES MAREES NOIRES
La lettre de l’observatoire des marées noires N° 1 février 2001 L’Erika un an après Erika : la 13e Sécurité maritime Nettoyage des plages N° 2 octobre 2001 Depuis l’Erika, plages en manque de sable Lavage par le déferlement des vagues Sable de l’Erika : ouvrons le débat N° 3 février 2002 Plan Polmar en […]
PROBLEMES ECOLOGIQUES LIES A L’USAGE DU TRIBUTYLETAIN EN FRANCE
(dossier articles) Problèmes écologiques liés à l’usage du tributyletain en France – Situation et prospective Introduction Effets du TBT sur la conchyliculture Mise en place d’une réglementation Situation actuelle de la contamination Prospective Références bibliographiques
NUTRIENT AND PHYTOPLANKTON DISTRIBUTION IN THE LOIRE RIVER PLUME (BAY OF BISCAY, FRANCE) RESOLVED BY A NEW FINE SCALE SAMPLER
Nutrient and phytoplankton distribution in the Loire river plume (bay of Biscay, France) resolved by a new fine scale sampler 1. Introduction 2. Material and methods 3. Results 3.1. Physiochemical conditions in the river plume 3.2. Fine scale sampling in the Loire river plume 4. Discussion and conclusion 4.1. Fine Scale Sampling technique 4.2. Phytoplankton […]
LARGE-SCALE PATTERNS OF RIVER INPUTS IN SOUTHWESTERN EUROPE: SEASONAL AND INTERANNUAL VARIATIONS AND POTENTIAL EUTROPHICATION EFFECTS AT THE COASTAL ZONE
Large-scale patterns of river inputs in southwestern Europe: seasonal and interannual variations and potential eutrophication effects at the coastal zone Introduction Materials and methods – River databases – Nutrient fluxes – Index of coastal eutrophication potential – Coastal phytoplankton data – Statistical analyses Results – River flow characterization – Nutrient loads and index of coastal […]
A LARGE RIVER (RIVER LOIRE, FRANCE) SURVEY TO COMPARE PHYTOPLANKTON FUNCTIONAL APPROACHES: DO THEY DISPLAY RIVER ZONES IN SIMILAR WAYS?
(dossier articles) A large river (river Loire, France) survey to compare phytoplankton functional approaches: do they display river zones in similar ways? 1. Introduction 2. Material and methods 2.1. Study area 2.2. Sampling stations 2.3. Phytoplankton analyses 2.4. Geographical, chemical and hydrological data 2.5. Statistical analyses 3. Results 3.1. SOM clusters based on the three […]
EUTROPHICATION MITIGATION IN RIVERS: 30 YEARS OF TRENDS IN SPATIAL AND SEASONAL PATTERNS OF BIOGEOCHEMISTRY OF THE LOIRE RIVER
Eutrophication mitigation in rivers: 30 years of trends in spatial and seasonal patterns of biogeochemistry of the Loire river 1. Introduction 2. Study area and data compilation 2.1. Geographical and physical characteristics 2.2. River monitoring data sets 3. Methods 3.1. Data-pre-processing 3.2. Building up spatiotemporal diagrams 3.3. Time series decomposition 4. Results 4.1. Long-term trends […]
CRUE DE BOUGUENAIS DE 1872 – EXTRAITS D’ARTICLES DE PRESSE
Crue de Bouguenais de 1872 – Extraits d’articles de presse
EUTROPHICATION OF AQUATIC ECOSYSTEMS: BISTABILITY AND SOIL PHOSPHORUS
(dossier articles) Eutrophication of aquatic ecosystems: bistability and soil phosphorus Soil and sediment phosphorus: role in eutrophication Model and simulations Results Discussion
DRAMATIC CHANGES IN A PHYTOPLANKTON COMMUNITY IN RESPONSE TO LOCAL AND GLOBAL PRESSURES: A 24-YEAR SURVEY OF THE RIVER LOIRE
Dramatic changes in a phytoplankton community in response to local and global pressures: a 24-year survey of the river Loire Introduction Materials and methods – Study area – Physico-chemical and phytoplankton data – Data analysis Results – Physico-chemical characteristics – Trend in the variations of the phytoplankton community – Relationship between the phytoplankton community and […]