Results 31 to 40 of about 143,970 (202)
Des contaminations record de plastiques en eau douce
Si la pollution par les plastiques des océans est fortement médiatisée, celle dans les eaux douces l’est moins. Or, il pourrait s’agir d’un problème sanitaire et environnemental majeur.
Strady, Emilie, Thivent, Viviane
openaire +4 more sources
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux +17 more
wiley +1 more source
Abstract Passive environmental DNA (eDNA) sampling is rapidly emerging as a powerful alternative to active sampling methods (e.g. direct water sampling), with a rapidly growing diversity of tested approaches but little methodological convergence.
Fidji Sandré +2 more
wiley +1 more source
Pisciculture artisanale en eau douce
Dans sa collection « Formation », la FAO vient de publier un manuel de pisciculture artisanale en eau douce remarquablement bien conçu et illustré. Destiné aux vulgarisateurs, aux techniciens et aux instructeurs, il les aidera à transmettre..
Technical Centre for Agricultural and Rural Cooperation
core +1 more source
1.1 — Dans la lutte contre la moule d'eau douce, le Bayluscide est plus actif que le Frescon. 1.2 — Les Poissons semblent plus sensibles au Frescon qu'au Bayluscide ; ils ne sont, en général, pas sensibles aux doses de Bayluscide utilisées pour détruire ...
HOESTLANDT H.
doaj +1 more source
Abstract Environmental stochasticity in abiotic factors is inherent to ecosystems and is exacerbated by global change. However, experimental protocols typically cancel this factor by using cyclic or constant conditions, limiting the study of environmental variations.
Chloé Souques +7 more
wiley +1 more source
La toxicité de sédiments provenant de deux ruisseaux du bassin versant du Stang Alar, exposés à diverses contaminations, a été testée par un ensemble de bioessais aigus et chroniques en eau douce et en eau de mer.
S. NAUDIN, M. PARDOS, F. QUINIOU
doaj
Abstract In this study, molecular oscillation technology (Merus ring), developed to prevent calcification, biofilm formation and corrosion in piping in industrial water treatment systems, was compared as an alternative to acid injection to prevent the clogging of emitters by chemicals, and fresh and saline water were compared on the basis of system ...
Servet Tekin, Attila Yazar
wiley +1 more source
Le Nord du marais breton recouvre une surface de 16 000 ha gagnée sur la baie de Bourgneuf à partir du 11ème siècle. Il est parcouru par un réseau de fossés de 3 200 km connectés à des bassins d'origine salicole ou drainant des parcelles agricoles.
FEUNTEUN E. +3 more
doaj +1 more source
ABSTRACT The Red Fox (Vulpes vulpes) can be hunted as a game species. It may also be listed as a “species likely to cause damage” (ESOD – the acronym in French), for public health reasons among others. Conversely, benefits linked to the presence of foxes are also put forward, such as the predation of rodents carrying zoonotic agents.
Emmanuelle Gilot‐Fromont +97 more
wiley +1 more source

