Titlebook: World Fish Farming: Cultivation and Economics; E. Evan Brown Book 1983 The AVI Publishing Company, Inc. 1983 Asia.China.Fish farming.Hunga

Albumin

乐器演奏者

United Kingdom,Total production was about 4400 MT in 1980 and 5200 MT in 1981 (Anon. 1981). Regrettably, however, the majority of the production is concentrated on one species, viz., rainbow trout. Nevertheless, the interest in farmed fish, actively encouraged by the media, is now extending the commercial horizons

superfluous

新星

Poland,lakes, 104,000 ha (251,000 acres) by rivers and dam reservoirs, and 60,000 ha (145,000 acres) by ponds. The most important users of these waters are State Fish Farms and the Polish Anglers Association. State Fish Farms use over 91% of total lake area and 86% of total pond area. The Polish Anglers As

表否定

Czechoslovakia,d Moravia. The greatest development was in the 16th century when complex fish farms were built in Bohemia and Moravia and water surface area was estimated to be more than 120,000 ha (296,400 acres). During the 18th and 19th centuries, cultivation became more intensive, resulting in a reduction of wa

教义

Sedative

Original

Czechoslovakia,ter area by 50% with converted ponds being used for pastures and crops. After this time, pond area gradually declined so that by 1933 there were only about 42,000 ha (103,820 acres) in Bohemia and 5915 ha (14,610 acres) in Moravia. Following this period came the first state fish farms.

季雨

Anonymous

Switzerland, with 15%, and with minor quantities from France. Total supply, including domestic production and imports, was an estimated 1332 MT (1468 ST). Domestic production accounted for only 23% of total supply, with imports accounting for the bulk of total supply.