澄海莱芜人工鱼礁区集鱼效果初步评价.pdf

第 4 卷第 6 期 南 方 水 产 V o1．4 ， N o ．6
th China Sea Fisheries Research Institute，C hinese A cadem y of F ishery Sciences；Key Lab．of Fishery E cology

Environm ent，M inistry of Agriculture；M inistry of Agriculture Ke y Field ，Station of O bservation and R esearch for Fishery

R eso urce an d E nvironm ent in S outh C h in a S ea ， G ua ngzhou 5 10 300 ，C h ina ；2 ． G ua ng dong O cea n a nd F ishery

E nvironm ent M onitoring Center，Guangzhou 510220 ，China ；3．College of M arine Scienc e

a nd T ech nolog y ，Sh angh a i O cean U niversity ，Sh ang ha i 20 13 06 ，C hina )


A b stract： T he b ackgroun d survey an d track ing survey of art ifi ciM reefs area in C h engh ai L aiw u w ere ca~ ied out in 200 3 and 20 07 ，re—
spectively．T he resu lts in dicated th at after the d ep loym en t of artifi cial reefs ，the b iom ass den sity of fi sh ery resou rces increased b y 25 ．6 3
tim es ，w hic h w ere m uch high er th an b efore．T h e resou rces sp ec ies w as m uch m ore ab un dant， total nu m b er in creased from 2 3 to 4 1 ，
w h ich in cre ased by 0 ．7 8 tim es．T he crab resources sharply increased by 1．75 tim es after artifi cial reefs w ere deplo