1111 thực trạng sử dụng các loại ngư cụ trên đầm phá tam giang cầu hai và những tác động đến môi

Hdi nehj Khoa hgc va Cdng nghf biin loan quoch"' thu V

THirc TRANG StfDUNG CAC LO^ NGlT CU TREN DAM PKA TAJSp!^AUHAIVANHmGTACDQNGDENM6lTRirONG

Nguyin Dinh Huy

Vien Tai nguydn, Mdi trudng va Cdng ngh$ sinh hoc

07 - Ha Npi, Thanh phd Hue

Email: hiiYcreb(ahueuni.edu.vn

- D?i hpc Hul

Tdm tit Trang hoat dpng sinh ki tren ddm phd Tam Giang - Cau Hai, cac ngu dan a

toyed xu hudng si difng ngay mat nhieu cdc logi ngu cu co tinh huy dift,

khdng than thien vdi moi trudng nhu Gid cao, Cao rong, Te qufu. Ngo hen, Cao

luan, Ra dien... Qua trinh si dung cdc logi ngu cif nay dd tdc dgng xau den moi

trudng nhu phd huy nen day, tham thuc vgt day, tham thuc vgt: huy diet nguon

Igi thuy sdn hang logt: gdy 6 nhiim nguon nude: gidm dgng luc dong chdy; gdy

khd khan trong cong tdc kiim tra, Mem sodt, gidm sdt cua cdc ca quan, ban,

nganh chic ndng.

Abstract

USES OF FISHING GEARS IN TAM GIANG - CAU HAI LAGOON AND THEIR

IMPAIjrS ON THE ENVIRONMENT

For their livelihood on Tam Giang Cau Hai lagoon, local fishermen are

increasingly using destructive tools and equipments ur^riendiy to the environment

such as Gia cao, Cao rang, Te queu, Nao hen, Cao luon. Electrifying pod, etc. The use

of these tools and equipments is negatively affecting the environment such as damage

of bottom biotap and bottom vegetation and other aquatic plants species; massive

losses of aquatic living resources; water pollution; reduce of water circulation;; and

lead to difficulties for the monitoring of relevant governmental agencies.

1. Dat van dl

He dam pha Tam Giang - Ciu Hai cd

dien tich hon 22.000 ha, keo dai gin 70

km, thdng vdi biln Ddng qua hai cua Tu

Hien va Thuan An. Dd la he dim pha

Idn nhat d khu vuc Ddng Nam A va cd

vai trd het sire quan trpng ddi vdi cpng

ddng ngu dan ven dam pha, ciing nhu

ddi vdi su phat triln kinh tl - xa hdi ciia

tinh Thira Thien Hue. Trong vimg bien

cd 45 xa va thi trin cd dien tich mjt

nude dim pha vdi khoang 300.000 dan

thupc cac huyen Phong Diln, Quang Hinh I. Hg dam pha Tam Giang - ciu Hai