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B T H N sK H VIN NGHIấN CU HI SN ã TUYENTAP H BIM Tpl | ỏ im .4 ' - ^ : }ir'i i {' -''- ;, r i r - 'S THU VIEN OAI HOC THUT SAN 1000002157 n h -x u t b n n On g n g h i p B THY SN VIN NGHIấN c c u HI SN H J'VH ..! 11 TUYN TP CC CễNG TRèNH NGHIấN c u NGH C BIN TPl r T H i r '7 ! |ằ NH XUT N NễNG NGHIP H NễI - 1998 MINISTRY OF FISHERIES RESEARCH INSTITUTE OF MARINE PRODUCTS PROCEEDING OF MARINE FISHERIES RESEARCH VOLUME AGRICULTURE PUBLISHING HOUSE BAN BIấN TP GS TS Bựi ỡnh C hun Trng ban PGS PTS Nguyen Xuõn Lý Phú trng ban C nhõn Lờ Th Kim Oanh Th ký TS Nguyn Tin cnh U viờn PGS TS Pham Thc viờn PGS PTS Vn Khng U viờn PTS L Vin Chớ U viờn s PTS Niiuycn Long U viờn KS o Mnh Mun U viờn 10 KS Nguyn Vn Thc U viờn 11 PTS Chu Tin Vnh U viờn EDITORIAL COMMITTEE Prof Dr Sc Bui Dinh Chung Editor-in-chicl' Assoc Dr Nguyen Xuan Ly Vice editor-in-chief Ba Lc Thi Kim Oanh Secretary Dr Sc Nguyen Tien Canh Editor AsstK P a r Dr Sc Pham Thuoc Editor Assoc Dr Do Van Khuong Editor Dr Le Vien Chi Editor S Sr Nguyen Long Editor Eng Dao Manh Muon Editor lU Eng Nguyen Van Thuc Editor 11 Dr Chu Tien Vinh Editor LI NểI U v.in ciru Hi sn (1(1 tham (tkicc hin nhu chuớn irinli khuu ! 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SN FOREWORD In recent years, th,e Research ns .ttc o f Marine'Pr()lnc.is (RIMP) has carrieti out s()ne TechnoioRtcal and Scienctttfic P()^rJi^s o f the Siate and Mtti,st^ levels, as vell as oj provinces Resnlts o f the research v(-)rk and sthecs lave heen clecked and accepted s()n e acli,eventens have been nsed i.n fi,slertes nana eten as well as i.n tlte prcd cth n T()pi,cs ()f researcl o f RIM P are wi.de Cớ^nsi,sin shertes The s tidi.ed (nd experintental snb ects ct)nsist ()f assessnentt o f narine res()nrces, narine consem uion, l)i.odi.versit ntarine envir(in nent, brackishwater and miU'iculture, ishi.n^ lechnolo^ anil pri^cessins technil()' trainin ằanil iechni)!()^' ex.ensi.()n In it i.s v()liin ewe w()ti!d tike ti) inirodiice s()tne research work t)n tnarine resi)nrces hiolo.^ and a(ittacnltnre techni.iies, prt)cessin; The studied resitlts ()f tecin()l()j ies will be presented in other volumes Witli th.e Ciintents, the Editors would like ti) Cijntribute s ()ne o f research results Si) ilua reailers can n ake a sttidy i)f tle statiis ()f li 'i)^ ntarine resources, atuaculture and pr ()cessi)^^ as a base fi )' exploitinj^ anil iisin ;then ratii)nallv in the ^()il o f Siistainable deve !()pn ent The voliin e can be the reference ft)r researcli aitfl Slttdv in Universuies anti c ,()lle^es ' Despite l avinj^ tnany tri.es, tliere re st)ue restrictu)ns and erriirs in tliis voliinte Tlie Edit()'s (e'l^i()wle(l^e t^nd I()i)k i)rwar(l to tlte readers i)pinii)ns Pleitse contact ti) tlte atldress: Research Institute Marine Products 170 Lo Liti Sir., Ngo Ouyen DIstrist, Hai Phi)ng city Prol Dr Sc B U I D IN H C H U N G DIRECTOR, RESEARCH INSTITUTE OF MARINE PRODUCTS MUCLLIC ' ! ^( YU T MềI TRềNG VNG B!N VEN Bề OUANC -THA BINH Niiyn Tien Canh Nuytỡ Citi Rirn Lờ Hin Cõu lớS nghin cu d Ong ch Ay v Anh hng ca nc t r i T s PHAT t r in c Ua thc v t ph du ti v Ung bin MIN 'nam v iờ t nam Y N^uvn Tien Cnh Vn Vit NUvn 29 ,M()T Sể RT QU NGHIấN c u HIN TI^NG ề NHIM MềI TRNG v Un G bin PHIA TAY TIN CA MAU Nuvn Cụni Rn Tran Ltrii Khanh CHl' TIấU HOA HC VA MUOl DINH DNG 'PRONG (I M'I' s NC' bi I n p h Ia t Ay t Inh c A MAU Lu Khanh Trõn , , SINH v At p h U du v Ung bin o. 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