The world is facing many anthropogenic threats against biodiversity and ecosystems. For an
ecosystem to work, all components in it, for example different species of animals and plants …

Summary The Noble crayfish, Astacus astacus (also called the European crayfish or the
broad-fingered crayfish) used to be the most common crayfish species in Sweden and …

The aim of our studies to summarise the current status of the Decapods species in Hungary
and presented the effect of the red swamp crayfish (Procambarus clarkii) to the species …

Twenty alien species have become established in the lakes Mälaren, Vänern, Vättern and
Hjälmaren. Intentional introductions include fish and the signal crayfish from North America …

Loss of fishing gear have been a problem for as long as fishing has occurred in the ocean.
As modern fishing gear are made up of mostly synthetic materials, it will stay intact and …

Clean Nordic Oceans was established as a network to exchange knowledge and
experience of methods and measures that can reduce the risk of ghost fishing and marine …

Abstract Pacific Oysters (Crassostrea gigas) are an example of an invasive species and in
high densities can form reef like structures which can degrade the environment for the native …

Around the world, sportfishing of salmon is a big industry, examples of which are found in
Norway, Iceland, Scotland, Russia, Canada, etc. As shown in many investigations, anglers …

For the case study of the River Dalälven, the Swedish National Board of Fisheries will be
focused on the fish fauna and the specific problems caused by regulation and hydropower …

The report summarises the monitoring activities within the National Swedish Contaminant
Programme in marine biota. Few trends are found for the biological variables of the biota …