Compared with the stagnanteconomy of the rest world,Asian-Pa-cific economy has been experiencingthe hightest growth since the 1980s.Now,most researchers and officials,and even entrepreneurs believe
This paper deals with abundance estimations of anchovy obtained by the acoustic method during surveys with R/V "Bei Dou" in the Yellow Sea and East China Sea, the development of the stock size and the fisher...This paper deals with abundance estimations of anchovy obtained by the acoustic method during surveys with R/V "Bei Dou" in the Yellow Sea and East China Sea, the development of the stock size and the fishery of anchovy in 1984 1999.展开更多
The paper deals with growth of Japanese anchovy (Engraulis japonicus) and variations in length by area and maturity of anchovy and some selected fish species obtained during surveys with R/V "Bei Dou" in the...The paper deals with growth of Japanese anchovy (Engraulis japonicus) and variations in length by area and maturity of anchovy and some selected fish species obtained during surveys with R/V "Bei Dou" in the Yellow Sea and East China Sea,in 1984-1999.Demersal trawl catch rates for some selected fish species from the same surveys are also included.No density dependent growth in length or weight of anchovy was found.Reduced length at maturity of small yellow croaker was apparent from 1986 to 1994.展开更多
文摘Compared with the stagnanteconomy of the rest world,Asian-Pa-cific economy has been experiencingthe hightest growth since the 1980s.Now,most researchers and officials,and even entrepreneurs believe
文摘This paper deals with abundance estimations of anchovy obtained by the acoustic method during surveys with R/V "Bei Dou" in the Yellow Sea and East China Sea, the development of the stock size and the fishery of anchovy in 1984 1999.
文摘The paper deals with growth of Japanese anchovy (Engraulis japonicus) and variations in length by area and maturity of anchovy and some selected fish species obtained during surveys with R/V "Bei Dou" in the Yellow Sea and East China Sea,in 1984-1999.Demersal trawl catch rates for some selected fish species from the same surveys are also included.No density dependent growth in length or weight of anchovy was found.Reduced length at maturity of small yellow croaker was apparent from 1986 to 1994.