Nhn xet bc du v tac dng mt s con

NHAN XET BUOC DAU VE T AC DQNG CUACUA SONG VEN BIEN HAl PHONG ra bign cua cac tfnh phla Bic, la dAu m6i giao thOng quan trong cua cac tfnh Mi@nBie va eA nllde, dhng thOi Idn, dhng thoi d

-:~r : -,. ., _. ~, "'_.

.- .- .•.

.

Dtnll Hliu - 06i mdi cOng tac t6 ch llc v ~ quan IV hoat dOng khoa hoe v~ cOng n gh$

Ph,m GI Khl'm - 061 mdi t 6 ch l lc , c o c hi' 8

quan IV hoat dOng ' khoa hoe - c O ng n g $

TiIIo Hliu Philnll- Chfnh sach t~i chfnh trong 11 ITnhv~c khoa hoc v~ cOng ngh& phvc vv s~

nghi&p c Ong h i &p h6a '- hi&n dlili h6a dA' t nudc.

Vii Cu Phu - Giao dvc tll xa a Viet N~m 13 Nllhl'm Canll - Dl - chuyin nhin I~ c khoa h oe 1

khoa hQCv~ phat tr i n cO n g ng h&

Dtnll GI N61 Ph,m H61 Blln l l i ll X uIn Hoe.

> ;:;:::: ··))i::)}:: ph~n m&m chudng tr1nh t~ dOng tf nh to an thii't

:::j ijili :;· ~ · ~~ ;ili ;I; li:I:liil: i ~~cC~gy~TCTDl 1 Lthl cOng bing p hUd n g phil p

I ' ; '! ~ i'j; ' ~5~ ·· ····:· & :·:·:· ;i;ii :···· ii'i ·: : :·· ;;; ·:;: 1 ' I Nl lu yin T run l l V Oua tii ' n b O k y t l :lu~t 2

· ••,fI ; O : \:::::;:::i·· t ac dOng cua mOt s6 cOng t r1nhd i' n mO l t r u~ ng

Nlluy l n Thl T1I6nll Nll u yln Th l H61 - Kh f 2 N.~tlnCblft : Q( iv I h ~u anh h u ang di'n hi&n tr/ilng mOi tru~ng vUng

".Jlf.~~Il' :: i " b i gn Viet Nam

:;: ' :~~~ ~ ii!!i~!.} ~~au~:~gN:aOne x~:c~m~h~~1 !~t~h'~u~ ~~g 26

Doln Huy Khilc - v ' 8 chA ' t IU"ng thu6c trong 28

1-.•••.•.•••.• - • • ~f • I vai nAm g~n d A y

Nlluyln Xu l n N ll u Y'n Ph,m HlInll H6I •

San xuA ' t P olyme s in h hoe phue vv khoa n 30 khal th ilc d~u k h f t r ong di&u ki&n Viet Nam

U Qunll H,nh • Nhllng g i ai phap khoa hoc- 32 cOng ngh& vA cAy earn bC l nhim kha i tha c ti ' 8m

Nau In Chu HlIl - Vai y kii ' n v a viec su 34 dvng h"p IV t~i nguy8n v ~ bao v e mOi tr u ~ n g a

HlI Chlu Nl l uyln Qu 6 e Phona • Nguy&n 37 lieu cao c A ' p - ChA ' t l i eu trv c Ot cua n'8n vAn minh hi&n dl ill thi ' ky XXI.

Nauyln Due To ," - Ti&u nUdc trong 39 nOng nghi&p

TRAO D61 Nlluyln Sf LOo - MOt s6 y kii'n hAn vi&c 41 cAi cach hanh chfnh trong quan Iy a nUdc v&

khoa hQCva cOng ngh$.

Vii Di II o ~,~n, Nauyln Dmh Blnh- T1mhiiu 44

v A ' n d '8 g l d i tlnh trong giao dvc - dao tao ,

HOIDAP KHOA HQC DOl S6NG

\

',' "/

::::::,',

D.nll Huu - Renewing Organization and

M anage m e t i n the Scientif i c and technological

Ac t i viti es

Ph.m GI KhJ.m - Renewing Organization ~nd 8

Ma n aging Mechanism In t h e Scientific and

Te c hnological Activities

T.o Huu Phunll - Financial Policy in the Area 11

of Science Technology Serving to Industrializa-tion and Mode r nizati o n of Our Country.

ME CHA N ISM· POLICY

Vu C.o Ph n - Tele - Education ' i n Vietnam 13 Nahl•m Con I - Migration of Scientific and 16 Technolog i cal Ma n-Power In Some Research Organiza t ions fo r Sc i ences and T echnological Development

D nll GI N.I Ph m H.I B.nll Bul Xu.n Hoe.

B u l Khec DI p - Se t ting Up Software System 19

o f Auto-progr am me for Calculating, D es igning the Pre-cons tr a i ned F erro - Concrete Br id ges Execute d by E x t u siv e Mould M eth od.

Nlluy.n Tr u nl l V - To Put Adva n ced Tech- 21 nlq ue in to P rodu ctio n for Ch anging th e Plant and Breeding An i m a l Structure on the High

Mo un ta i nous Areas

En v ironmenta l I mpacts of Some Coastal Construct i on s i n Hai Phong City.

Nauy.n Th Tuonll Nauy.n Thl H.I

-Cli mate Impac t into t he State of Marine 25 Env i ronment In Vietnam.

RESEARCH RESULTS

the Possibi li ty of Bananas Production for Export i ng in the Red River Plain

Medicaments i n the Some Near Years.

Nlluy.n Xu.n Nauy.n Ph.m Honll H.I -Bio-polymer Production Served to Drill for 30 Exploitation of Gas-Petroleum under the

Vietnamese Conditions

SCIENCE AND TECHNOLOGY IN LOCALITIES

L Quna H.nh - Scientific - Technological 32 Solutions for the Orange Named BU With the Explo i tation Potential of Sloping Land in Nghe An Province

So u nd Use of Resources and Environmental Protection in the Coastal Areas of Hai Phong SCIENCE AND TECHNOLOGY ABROAD

Qual i ty Raw Material - A Bread-Winner of Modern Civil i zat i on in the 21st Century

Nlluy.n Due To.n - Drainage in Agriculture 39

EXCHANGE Nauy.n Sy Loe - Some Opinions Concerning 41 the Administrat i ve Reform in the State-Level Management of Science and Technology

f i nding Investigation of Sex in the Training and Education.

QUERY.RESPONSE SCIENCE AND LIFE EVERYTHING NEEDS TO KNOW SCIENTIFIC AND TECHNOLOGICAL ACTIVITY

NEWS

NHAN XET BUOC DAU VE T AC DQNG CUA

CUA SONG VEN BIEN HAl PHONG

ra bign cua cac tfnh phla Bic, la dAu m6i giao thOng

quan trong cua cac tfnh Mi@nBie va eA nllde, dhng thOi

Idn, dhng thoi da gay khOng It nhung tac dOng tillu e~e

b6 [ch eho hien tal va tlldng lai phat triijn cua thanh ph6

Trong vong 5 narn qua (1990 - 1994) Phan vi&n hAi

an de tai trong d6 e6 Ji~n quan dE!"nvAn d@tac dOng

- Nghilln cuu anh ht/dng eua dap olnh va dOi vdi

- Hien tr~ng bhi x6i dai bO bi@nHai Phong va bien

- Anh hlldng eua dap NguyAn Tri Phlldng d6i vdi mOi

nQuylln pMt t~i~n ki,:h tg billn Hai Phong Trong chlldng

trlnh dgn mOi trllong ella sOng ven billn nhll sa bhl, x61

PTS TRAN DUe TH~NH

Truong phOngdia mo i tmung biln.

Ph dn viin hili iJU'U7/gh{)c t(Ii Hili Phong

Trung 18m khoa h{)c tv nhiin vd cong nghi QuiT c ria

phAn di d8n nhan thue dUng din va dAy du v~ mOt vAn

bao eho tau van tin ra vao eang ma kh6i IllOngnao vet

va con la mOt hy vong Idn xay eang nt/de sau eho Hal

- Hi&u ung u6n khUc dong chAy xay ra chu ygu tren

ygu xay ra tr@n doan luhng B~eh DAng va k@nhDlnh

- Hi~u ung tach dong e~lnh, t~o I~eh mdi xay ra tr~n

23

MOl TRUONG

-d~p, mOt sO tach mdi hlnh thanh, pha va cac doi cat dll

s~ hai ph[a ria lullng chay ch[n Lullng chay chlnh bi

dAy I~ch v'll ph l a tAy, I~ch di!'n 20 - 30 dO so vdi tru e

lullng tau

- Hi~u ling ke dai thdi g)an dllng chay xay ra tren

dean lullng Bach D~ng va phla d§u thllc;1ngluu ken Dlnh

Vii Hi~ntlll;lng dllng chay keo dai 3 - 5 gid, tao di'llu

ki~n lang bun cat va ngllng keo bun set

Sa b/)i !ullng va? c~g Hai P~ong la mOt v§n d'll Idn

x~§t hi~n tu IAutruce cJap d~p Dinh Vi c6 nguyen nhan

narn trong sv phat trien noi tai tI,I nhien cu VCS hlnh

phAu Bach Dang Ngoai anh hlldng cua d~p Dlnh Vi ciing

con nhi~u hoat don nhan tac khac lam tang clldng sa

b~i lullng (ch~t pha rllng d§u ngulln va rll(lg n ap m~n,

dap dam nu8i thUy san, khai hoang I§n bien, van d'll d8

bun nao vet lullng, su t~ng clldng blli t[ch do x6i la c ac

dean bd Ian c~n rna dien hlnh la a Cat Hat), N: Ing vai

tro tac dOng cua daP Dlnh Vii duoc xay dl,lngn-irn 1979

- 1981la ro nh§t

DaP Dlnh Vii con gay mOt sO tac dong tieu cue khac

vdi m8i trlldng tI,I nhien va sinh thal VCS, vi du, g6p phan

hlnh thanh dong blli tich I§p bgn ca Ngoc Hal, g6p phan

d6ng kin VCS, can tra thoat nuoc, gay canh ngap tut

keo dai a noi thanh Hai PhOng

TUy'gri de nay dai 8 km tll cua Lach Tray dgn Miii

Doc (Dll Son) ciing duoc khai c8ng nam 1979, hoan thanh

narn 1981.Khoang 1600 ha di~n ti ch dllng mU91Jd~m

nude II;l cii va bai tri'llu tu nhien dlll;lc khoanh dap nham

ph at triEin kinh tg n8ng n hi~p c§y trllng.Do b] chua, m~n,

hi~u qua kinh tg cua (khu yl c th§ kern, Tuygn d,e ma

rOng qua nhanh ra phia bien, kh8ng tuon xllng voi t6

dO blli tu n8i cao va rnd rOng tl,l nhien, lam thu hep va

tao ra sl,l ~§p khLic dot ngot cua tril.c di~n ngang bd

VI vaY, tuye de, d~c bi~t la dO(l,n.c m CaP a giLia r§t

xung ygu, thlldng xuyen bi s6n!il bien lam S(l,t la,gay de

doa va de Hang nam m9t khoi Illl;lng Idn c8ng sllC va

ti~n cua ph8 b6 ra tu b8 de ke

Sl, hlnh thanh tu 6 de dlldng 14 cung vdi anh hllang

c,ua:dap(Dln~ VQda lam xu§t h~~n mot trlldpg cat rOIJ.9

lc3nc3phla bac tl1 nam 1984 va Ian xu6ng phla nam Den

nam 1987,c t da bl I§p va v8 hi~u h6a c6ng C4 cua

n8ng trlldng Trung Diing, g y n n canh ngaP ung thlldng

xuyen v'll mua mila cho 500 ha d§t canh tac va dan cll

khu n8ng trlldng Dgn nam 1990, trllClng cat di chuyEin

qua lullng vao bgn ca Ngoc Hai gay sa blli lullng bgn

Hang tram ngll thuv.'en Idn nh6 phai b6 b6n ca N.90c Hai,

tran vao cac bai tam gAy nen tlnh tr(l,ng 6 nhiem n~ng

n~ cho khu du lich Dl Sc3n vao cac mua he 1991,1992

NhLing ~au qua nang n~ tren dang dlll;lc tlm cach h~n

chg, khac phl,lc

Trlldc day Da Do la mot nhanh Idn cua s8ng Van

Dc, chay qua Ki6n ThI,lY Phu sa chuyEin tai tll s8ng Da

DO qua nhanh s8ng Sang rlli d6 ra clla Hong a giap

phia tay ban dao oll Sc3n.Ngulln blli tiC,h nay blli t~

nu8i dllc3ng.khu bCl Sang L - O(l,iHl;lp nam trong che

dOchA4 tM Sau nam 1954, s8n9, Da DO,s8ng Sang bi

ch~n dap Day la mot tron9 nhllng nguyen nh8.n quan

trong g y x6i la m(l,nh me bc3 Bang La trong nhLing nam

60-80 v i t6 dO 5m/nam Trlldc day, ngoai de con c6

ca nhLing clln dlln, h8n x6m, nay da bi pha huy hi!'t

G§n dAy, hi~n tlll;lng x i Id bc3 giam di va c6 d§u hi~u

blli tl trc3l( ibai cao, do bai thap dlll;lc bl ma r§t rong

nhd phu sa s8ng Van Dc chuyen len

S8ng Mdi a ph[a bil.c huy~n Tien Lang, dai 3 km, la

mot con s8ng nhan t~o dlll;lc dao vao nam 1934 nham

nOi tuygn giao th8ng thuy tll phia cang Hai Phong vdi

s8ng LuOc, rlli vao s8ng Hllng, nglll;lc len thU d8 Ha NOi

Khi mdi dao, s8ng c i la mot con kenh rong 30-40 m,

sau 2 - 3 m Do thuan hlldng dong ~hay v i s8ng Luoc

(c6 Illu Illc,lngnlldc trung blnh 300 m I s ), donQ s8ng Mdi

trd nen rat m(l,n , van tOc dong chay trung bmh 1,2mls

24

(trong khi cac s8ng khac d Hai Phong chi 0.6 - 0.8 rn/s)

Do vay long s8ng b] xarn thuc sau va ngang rnanh Dgn nay s8n,Q rOng 99-100 m, sau 4,5 - 5,5m, nhi~u ghO 6-8m

S8ng Mc31dlln nuoc song Luoc sang s8ng Van Uc.•Llll;lng

chay cua n6 ngay cang tang, 60% Illl;lng chay s8ng LuOc

vao narn 196Q,70% vao narn 1980 va hi~n con tii!p tuc tang C8ng tnnh s81J.9Mdi da gay nhLing tac dong tieu cue lam thay d8i cau true pMn luu cua h~ thOng s8ng Thai Sinh va gay ra nhLing hau qua sau:

- Nhanh ~8ng TMi Sinh d.ha Ipu s8ng Mdi bi tan di,

luu Illl;ln9 nuoc s8ng giam han VI vay, xam nhaP man theE> trieu vao sau tron~ nhanh ha Illu Thai Sinh, gay

nhiern man cho nlldc tllc3ivao nOi dllng theo h~ thOng

cOng phia tAy huy~n Tien Lang cho den tan cOngHO

:-Di'llu nay da gay nhLing thi~t h(l,i cho",mua mang v a vi~c cai tao h~ thong thuy n8ng c3 day rat kh6 khan

-'Nhanh s8ng Thai blnh d thll<j1ng luu s6ng Mdi bi tan

hiin, ga¥ dlln lI,thoat nuoc kem c3ha luus8ng Thai Sinh,

g6p phan quan,trong gay q.ia tang Iii lut tll Pha L(I,i ra den biEin (Le Sac Huynh, Khi tlll;lng thuy van s6 8/1993)

So sanh thCli ky 1905 - 1960 va 1961 - 1990 muc nlldc bao dong c§p \II (Hmax = 5,5) d Pha L(I,itang tll 3 len

14 ngay ling vdi tan xu§t tang tll 7.2 len 46,6% Ml,IC nlldc to bao dong ca:p \I ciing tang tll 3§7 len 46,6%

ThCligian duy tr] muc nude cao d cac c p ciing tang

tll 3 len 4 ngayl narn a c§p 11\, 15 I~n 21 ngay I n a rn o

c§p \I.Lii Il, do anh hllc3ng mila to o thlll;lng ngulln xac

xu§t 1 ,9%,do t6 hop Iii s8ng Thai Sinh va s8ng Hllng

79,2%, con lai do cac nguyen nhan khac, trong d6 c6 anh hlldng cua thuy tri'eu ha Illu s8ng (Le Van Anh, Kh[ tlll;lng thuy van s6 7 / 1992).

- Ciing do II tic nlldc a ha Illu s8ng Thai Sinh lien quan dgn s8ng Mdi, Illl;lng nlldc phan luu cho cac nhanh s8ng Kinh Thay va s8ng C§m ngay cang tang Llll;lng chay s8ng C§m 9-10 km3 vao nam 1960 - 19i1 , khoang 11km3 vao nhLing nam 70 va tang len 12,9 km vao nam

1991 '

Lllc;ing bun cat qua s8ng C§m ciing tang len dang kEi va g6p phan vao sa bli lullng cana Hai Phong Nh,

vay, vi~c dao s8ng Mdi da gay ra nhllng tac dong tll tll nhllng to Idn va lau dai

Va cu6i th6 ky XIX , d u thg k XX do~n s8ng Tam S~c ngang chl;l sil.t sau 1-3m.Day la mOt cang phl,

cua cang Hai Phong Nc3iday ph6 xa sam u§t, bu8n ban tren bi!'n dlldi thuy'en t§p nap, c6 xllang d6ng thuy'en

bullm, tau Mi nlldc nh6 va c6 cae au da slla chLia DEi duy trl dong chay va dO sll.u,s8ng Tam S~c da nhi'llu Ian dlll;lc n~o vet Tll nam 1910 dgn 1936, da tign hanh n~o vet 14 Ian vdi 892240 m3 bUn cat NhLing sO do thuy van vao nam 1963 cho th§y, Illl;lng chay s8ng Tam S~c g6p mot ph§n dang kEi vao Illl;lng chay s8ng C§m, vdi Illu Illl;lng nlldc 70-100 m3I s vao mOt pha tri'llu (25h) cllClng, 30-40 m3I s vao pha tri'eu kem Llll;lng bun cat s8ng Tam S~c d6 vao s8ng C§m 100-1500 t§n trong mOt ngay demo

Vao khoang nam 1965 - 1967,do yeu c§u ch6ng chign tranh pha hO(l,icua ~Mng qull.n My, dap Nguy~n Tri Phllc3ng dlll;lc chan dap dong Tam S~c Tam Sac bign thanh s8ng 91,1tlong b, i blli c~n va tau thuy'lln Idri kh8ng vao dlll;lc ben d ven song Tam Sac, dll.n cll taP trung

d,ong duc, mat b~ng ven s8ng th§p, long s8ng bi b8i lang, khang c6 dong chay nen bi 8 nhi~m ch§t thai sinh ho~t nang n~ Dll.y la nc3ic6 ma,t do.c ng thai cao nh§t thanh pho vc3i khoang 20 c6ng lc3nd6 trl,lc tigp vao song

Cl,lt Tam S~c hoac d6 ra hll Tam S~c rl ra s8ng Tam S~c DEigiai quygt n~n 6 nhi~m, khc3i I~i dong Tam Sac,

kh8i phl,lc I~i thllc3ng bgn t§ naP tren bil'n dlldi thuy'il'1 nhll xlla, nam 1993 cAu Lac Lon!'!.da dlll;lc xay dl,lng de chu§n bi cho ~i~c pha dap Nguyen Tri Phllc3ng.Cung vdi

sieu thi chl;l Sat dang xay dl,lng,viac kMi I~i don,9 Tam S~c se t~o,nen mot ~hu vllc pMn vinh v'll kinh te, trong s~ch Mn ve m8i trllc3ng

( X e m Tifp T r al l g 1 )

T~ P CH i HO~T DONG KHO A HO C s6 4 / 1995

CO CH~ CttfNH SACH · MOl TRllONG "" ' - _

due co uy tin d~ dam bao kien thuc dUQcchuy~n

Khong cham ~ hon vi~ tri~n khai lam hQCli~u

san sang ma van d~ thiet ke chuong trlnh, n~i dung

4U chua tM hi~n ml)t som met chieu, Vi~ thiet lap

di~u ki~n co th~ tlnrc hi~n thOng qua radio hai chieu

hoac di~n thoai hai chien vC1isu giup da d~ co dUQc

llnh V\1cnay chung ta hoan toan co kha nang cho

con ton tai hlnh thiic i4Ii trung dao tao d6i vC1i

- Dau tu cho san xuat hQCli~u gOc (giao trinh,

- Dau tu trang bt cae phuong ti~n, thiet b! tiep

giao d1,lc ntlClCnha Tat nhien truC1chet phAi la

T AP CHI HOAT DONG KHOA HOC s6 4 / 1995

(Ti3p theo trang 24)

8 H~ THONO o~KHAI HOANO, olu NUOI HAl SAN

H& th6ng cOng tr1nh d~ a cua sOng ven bil~n Hal Phong dai hang tram kilOmet va li~n tuc ma d!n ra phla bign Khoang 3 - 4 ch u c nam qua c6 tr~n 4000 ha dlh bhi ven bign du~c k ho anh d~p thanh cac khu khai hoang nOng nghiep, khoang 4600 ha du~c khoanh dAp lam dAm nuOi I~ m~n va tr~n 300 ha lam dhng mu6i C6 nghra la khoang 9000 ha rilng ng~p m~n bj tan pha hoan toan ho~c suy thoa i nghi~m trong do quai d~p d~ khai hoang ,

lam dAm nuOi Oi'Au n ay da ddn d3n nhling suy thoal nghi~m trong v'A mOi trudng va s inh thai, lam giam da d~ng sinh hoc va nguBn I~i thUy san ven bd Ngoai h~u qua nghi@iTl trong nay , h & th6ng dE!dy dl , /nga cda sOng ven bign con lam tha y d6i c§u true cua sOng \d~c bi&t

la vClivung cua sOng Bach DAng c6 c§u true hlnh ph~u

a phfa b~c oh Son) theo huClngkhep kfn cua sOng , giam lu~ng chua nuClccua thllY vl , /c va thu hep trAc di&n long dan K3t qua la xay ra hi&n tu~ng dhn u nuClcvung cda sOng (trong d6 , d~p 0 1 nh va la mOt cOng tr1nhgAy tac dOng rnanh), dan d3n cac h~u qua :

- Tang cudng sa bhi luhng ma rOng xarn thuc ngang

bd luhng , biii do dhn U nuClcva do giam dien tfch phAn b6 bhi tfch til sOng ra Day cang la mOt trong nhling nguy~n nhan quan trong g6p ph!n sa bOi luhng cang Hal

- Gay ng~p lut cac khu dAn cu, dO thl do lu~ng ctuia nuClcgiam va thdi gian thoat nuClckeo dai, khi c§u true cua sOng tl , / nhi~n nua kfn bi3n tnanh gAn kfn T1nhtr~ng ng~p lut a nOi thanh tling I~n va keo dai ra r&t ngay ca nhling ngay khOng mua, nuClctri~u van ng~p tran nhi ' ilu dudng ph6 th§p , chua kg nhling ngay rnua IClnkeo dai trung ky tri'ilu cudng Ng~p lut thudng kem theo nhi~m b~n, djch b&nh C6 nhi~u nguy~n nhan g6p ph!n t~o n~n ng~p II , It khu dAn cu, dO thj nhu cac hh di'ilu hoa b j c~n I§p , h& thOng cOng ti~u thoat nuClcxu6ng cAp va khOng chju du~c suc tai tang dAn s6 , ml , /CnuClcbiEindang nAng cao dAn (2,24 mm/ nam t~i Hon DAu) Nhung c6 Ie , sl ,

phAt trign tran Ian clla h& th6ng d~ a cUa sOng ven bi1!n c6 vai tro rdt · quan trong lam dhn U nuClcthoat a , cUa sOng.

Cac cOng trlnh dy dl , /ng a cUa sOng ven bign d'ilu

ft nhi'ilu tac dOng d3n mOi trudng tl , / nhilln va sinh thai

Oi ' 6u nay cang ra a Hai Phong, mOt vung dAt mCli bhi c6 nhling m6i quan h~ tudng tac sOng bign phuc t~p C6 cOng tr1nh gay tac dOng til!u cl , /c til til IAu dai nhung c6 quy mO anh huang IClnnhu sOng MCli C6 cOng trlnh tac dOng dOt ngOt , gay tai bign nhu d~p 01nh va , d~ dudng 14.HAu hilt cac cOng tr1nhd ' 6u gAy tac dOngnhi ' Su m~t, trong d6 c6 mat ti~u Cl , /Cn6i b~t Trong tUdng lai phat tri1!n kinh t3 va dh thj h6a Hai PhOng , ch~c chAn

se c6 nhi ' SuCong tr1nhmClidy dl , /ng DE! h~n ch3 t6i da kha nang tac dOng tieu Cl , /Cclla chung d3n m8i trudng cua sOng ven bign , cAn danh gia cac h1nhthuc va dl ,

bao muc dO tac dOng dg c6 nhling giai phap ung xU thfcti h~p.

Nhling tac dOngclla cOng tr1nhven bd dgn mOitrudng n~u tr~n cang cAn du~c di'eu tra danh gia c6 he th6ng

dg t1m cach h~n ch3, kh~c ph! , lCva dE! c6 du~c nhling kinh nghi&m quy cho quan Iy SU d! , lng vung cUa sOng ven bign 06 cang chfnh la vAn d ' S Nha nuClc va dja phudng dang tilng buClcquan tAm

15