1. In many host–parasite systems, infection risk can be reduced by high local biodiversity, though the mitigating effects of diversity are context dependent and not universal. 2. In aquatic ecosystems, local fauna can reduce the transmission success of parasite free-swimming infective stages by preying on them, acting as decoy hosts, or physically interfering with transmission. However, most pr...

Primary biodiversity data constitute observations of particular species at given points in time and space. Open-access electronic databases provide unprecedented access to these data, but their usefulness in characterizing species distributions and patterns in biodiversity depend on how complete species inventories are at a given survey location and how uniformly distributed survey locations ar...

Comprehensive and accurate assessments of fish composition diversity are essential for understanding ecology resource management. Traditional surveys generally involve capturing organisms, which is invasive the biological community under study conflicts with original intention biodiversity conservation. Environmental DNA (eDNA) metabarcoding has become an integrated method monitoring species wi...

The world's demand for fish products food and industrial purposes has already significantly exceeded the reproduction capacity of wild fish. Further increasing exploitation natural populations leads to a sharp reduction in their numbers degradation population biodiversity. only way solve problem is develop artificial This applies primarily salmon, which are most valuable popular types In Murman...

Human activities have a considerable impact on hydrographic systems and fish fauna. The present review on conservation genetics of neotropical freshwater fish reveals that DNA analyses have been promoting increased knowledge on the genetic structure of fish species and their response to environmental changes. This knowledge is fundamental to the management of wild fish populations and the estab...

Biodiversity has reached a critical state. In this context, stakeholders need indicators that both provide a synthetic view of the state of biodiversity and can be used as communication tools. Using river fishes as model, we developed community indicators that aim at integrating various components of biodiversity including interactions between species and ultimately the processes influencing ec...