Yazar
Lennart Nyman
4 cilt bulundu.
Cilt sonuçları
Conservation of freshwater fish
Lennart Nyman · SWEDMAR
38 sayfa · 1991
Biological diversity conservation / Conservation / Fish habitat improvement / Fishes / Freshwater fishes
Eco-environmental aspects of integrating small-scale aquaculture with rural development programs in southern Africa
Lennart Nyman · Swedish Centre for Coastal Development and Management of Aquatic Resources
48 sayfa · 1988
Aquaculture / Environmental aspects of Rural development / Rural development / Small-scale aquaculture
Fish breeding and aquaculture
Hans Ackefors, Lennart Nyman, Bengt M. P. Larsson · Swedish Council for Planning and Coordination of
Sayfa sayısı yok · 1983
Kategori yok