30 kinds of fish significantly depressed the Xiangjiang ,shanghai massage
- 4 1 will the premier batch of 1 million fry stocking
2008-3-29 7:34:11
correspondent intern Tianxiang Ping Dai Dan Changsha reported
hydraulic structure, water pollution, overfishing and fisheries cool the status of fishery resources hh Xiangjiang River is facing many threats, has significantly reduced the digit of 30 kinds of fish, rarely seen in recent years from the date of May 1 .4 , Tan Xiangjiang River segment of the first fishing ban will be carried out and targeted allocation of millions of fry, the Xiangjiang River's fishery resources to recuperate.
eating carp, male, and the snails dine the herring, carp, to sustain the ecological equilibrium of the waters of the Xiangjiang River. br> depletion of some fish species are in danger of
Xiangjiang River fisheries resources are facing many menaces, such as hydraulic buildings, water pollution, fisheries over-exploitation and other chilly, Xiangjiang River fishery resources are in a serious state of decline.
70s of last centenary, along apt examine of fishery resources, the Xiangjiang River water fish and extra of 117 category. At present, annual fishing Changsha listed 30 kinds of fish species has been tough to look, the fishermen tend to catch a single fish species listed, individual younger old, fishing decline, the Xiangjiang River fish have been peril of exhaustion, the location is very serious.
put 1 million fry
first 3 cities this year, is expected to absolute flow of 15 million fish will be placed, and in the April 1 of the releasing rite, to be the first put 1 million 3 to 5-inch-long fish, the fish will use the larger body aerobic course sent to the creek transport, the survival rate is commonly up to 九成.
fisheries resources and the proliferation of a scientific and effective system. Yangtze River every year from all provinces to take alike amounts to defend fish resources. During closures, in line with the natural array of fishery product is conducive to the Xiangjiang River and other freshwater carps the recovery of economic fish.
stocking fingerlings into list ecological harmony
major character. , bighead carp) are the natural enemies of cyanobacteria. the dark carp,yet still was no detected. the all filming process lasted almost half one hour. Later, carp to benthic beasts, such as snail bait, with high economic merit and food merit; microlepis Xenocypris indirect jaw scraping the base because its agreeable food in the algae, can refine water,beijing escort, the water was hailed as .
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