Protection of aquatic biodiversity - will we meet the challenge?; protection of aquatic biodiversity; a common conservation ethic - communicating the way towards protection and sustainable use of aquatic biodiversity; genetic effects of stock transfers of fish; impacts of aquaculture and hatcheries on wild fish; policy and socio-economic aspects of aquatic biological diversity conservation; integrated pest management in freshwater systems - lessons for the zebra mussel invasion in North America; reproductive success and the genetic threat of cultured fish to wild populations; diversity below the species level - biochemical evidence of adaptation among largemouth bass stocks; the effects of introduced fishes on native fishes - Arizona, Southernwestern United States; implementation of the EIFAC/ICES Code of Practice - experiences with the evaluation of international fish transfers into the Sepik River Basin, Papua New Guinea; introductions, chief elements of native freshwater fish degradation and use of indices and co-efficients in quantifying the situation in Italy; bioloical and human dimensions of strategies for conserving aquatic biodiversity; species introductions in the aquatic environment - changes in biodiversity and economics of exploitation; can biodiversity survive European fisheries management?; the endangered fish species of Nigeria; diversity and habitat of ornamental fishes in the Rio Negro, Brazil - exploitation and conservation issues; freshwater fishes introduced in Spain and relationships with autochthonous species; are introduced species the right answer to declining inland fisheries within the Mediterranean Region?; the Asian fish tapework bothriocephalus acheilognathi, infecting plagopterus argentissimus and other endangered fish species in the Virgin River, Utah and Nevada; overview of experimental stocking programme for shortnose sturgeon in the Southeastern United States; the impact of natural invasion and an exotic introduction on the ichthyofauna of Laguna de Terminos, Campeche, Mexico.
