Các vấn đề cần quan tâm trong nuôi trồng thuỷ sản ppt

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Các vấn đề cần quan tâm trong nuôi trồng thuỷ sản ppt

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Thc trng khai thác rong ở một s địa phương và những h quả gặp phải 2.2.1. “Tận diệt” rong mơ  Quảng Nam 19X67*+/012327)Y?Z*9)=0Ž!0l21g04e[09;01-_19q01C[67*4\0 !E1E9cC01A/>*01;Qe0019X*c209d*+;7-4e[4U-9?[a0L?(4)67*+/01O8- A;B01R67*+/01*‹6C)-9k-01;<) (2Z[0l2*+;7-4U*l01A:06C)*+l201;<)*+/01 w67)E9/M011)(4D09I~Qk01!19q-_A/>)*+:0 xl2*+;7-01;<) Qe0-9f67*+/016q0`<0l20([9hI~Qk014@AN0*c209d4aAN0`V*+/01G28-0;7- Ie?4\029r0101;<)*9(0K9)X0*+/012s(67*+/0123AC09r0101;Qe0E9()*9F- 9M)IM01g0`<T9()*9F-+/0123L?F2V-4UE9)\0*c2-F-C01Ai--C01d*C)`(0l2 *+;7-6)=-E9()*9F--F-A/C)9M)IM0E9F-6q0`<+Z*Q|QC016C67)I5A;B01A7009;01 0([*9D0_-9f-,0ACL?FE9VT9()*9F-+/0123E9c014i01-F-9-,0M099;G014\09= I)09*9F)+>0I(09c*+/01E9?68-Q/-F-9/>*4H014)E‘2*+/01L?F*+D09E9()*9F-w1)P* 6•*M01I(09c4>K-9e0A:0I(09cAC2IkK4y+>0I(09cnx +/016C)0l20([*+GA>)4e[+/0123`JE9()*9F-01([*‹4g?2s(6k6C*+3->0 -9fI(?6C)01C[E9()*9F-%)X?4_M099;G01*+8-*)\K4\001?@0*9? (-F-01;Qe0 *+/01*9<)1)(0*)\K*9q/`G)2s(+/0123K9F**+)a0*‹*9F01W4\0*9F01b-•01-9d09AC 2s(*c2-F-_-9v*+i01k4a4m*+V01I)09Ic)0M[0G 2.2.2. 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Khai thác rong mơ  Quảng Ngãi 9q/*9501E:-9f+):019()YUjD09M)jD09 9e? (9?[=0jD09309)=09C01 01C[-_*+:09HQe0E9()*9F-+/0123T9c01-9fG9?[=0jD0930*9<)1)(01g0 4e[K9/01*+C/E9()*9F-+/0123G9?[=04M/‡30K9F**+)a02H*-F-9@>*/+/01 4;B-1)F0:001;<)Qe0G4e[E9()*9F-6c*H)6>E9)\0+/01231g0`<1g009;->0E)=* U094>/9?[=0‡304U+(2H*-9f*9J019):2-Z2E9()*9F-+/012309;0101;<) Qe06}0Ap0Ai*+(`)a0-u*+/01?[=0E9c014.A8-A;B014a*?g0*+(E)a2I/F*6C-•01 -9;(-_-9\*C))=-E9()*9F-+/0123E9c014i01L?[*+D09E‰*9?P**+;7-2u*4qQh( 4\02c)*+;<01I5012c)*+;<01I)09IM0 (9C01-9k-A/C)9M)IM04(01I)09I5016q0 `<*>)4M/‡306C-F-9?[=06q0`)a0XAe?QC)-_01?[-3K9F6•9=I)09*9F)`)a0 E9?68-6q0`)a09M)4M/ D09*+>01E9()*9F-+/0123`‹(`U)Ep/QC)*9D2c)*+;<01`)a06q0`<It`Jc 09)|29=I(09c`J*y0*9Z*-F-A/C)9M)IM0It*+G0:0E9(09)\29P0+”*98-*+>01 E9()*9F-*9)\?E9/(9h-1e[9P?L?MEp/*9q/2H*I5*f092)X0+?01-_019X0C[4U-_ E9?[\0-F/09e0Qe0-9f0:0E9()*9F-+/01236C/*9<)4)a2*9F016CbE9)-e[+/01 1)C-v)6C*80y)A:02N*`)a0?[09):0-F-E9?[\0-F/E9c014.IV-2>094a-_*F- Qk01-M09`F/01;<)Qe0-F-L?[4J09-9\*C)A>)4;B-*98-9)=0*9)\?019):2*i-*9)\? *+)=*4a0:06)=-E9()*9F-+/01236}0Q)|0+(*+C0A(06C-9;(-_QZ?9)=?4F012‹01 0C/ G- DF3D0DH3015673I670F3JK5A;67=>6?@/156789 ()*+,L?(0*+h01 (+/01234U4;B-E9•014J09*+/0109)X?019):0-V? (-F- *F-1)M?[09):009;4U*+D09`C[01?@0AB)+/01234(01`JI?[1)M2019):2*+h016C M099;G01*+8-*)\K4\0-e0`“01I)09*9F)6s01`)a06q0`<-•0109;A):0L?(04\09/>* 4H01IM0Y?Z* (09)X?01C09-c01019)=K0;7-*(+;7-*98-*+>014_[:?-g?K9M)-_ 09r014H01*9F)*d-9-8-*+/01-c01*F-`M/6=01?@0AB) T\9/>-9`M/6=01?@0AB)+/01234U09P04;B-I8L?(0*e2 (-F-09CE9/(9h- 6C09CL?M0A‡/01E\*L?M9/>*4H01A>)+Z*9>0-9\Q/2H*I5E9_E9l0I(? + T9_YF-4J09*Z*-M-F-6s01K9e0`5+/0123Q/4)X?E)=06X4J(9D09-F-9>0 -9\6X-c01019=6C*+(01*9)\*`J019):0-V? + s01K9e0`5*809):0+H01+M)+F- + y01I5A/C)*y01IM0A;B019)=0-_-•0109;IM0A;B01E9()*9F-*)X20l01-9;( 4;B-YF-4J09 + 9;(L?[9/>-94;B--F-6s01-_*9a6CE9c01*9aE9()*9F- + 9;(-_E\9/>-9E9()*9F-9BKA‡6C*9)\?*d094@01`H1)r(-F-4J(K9;301-F- 6s01 + 9)\?-F-019):0-V?-k*9a6XE9M0l01E9()*9F-6C*oA=E9()*9F-9BKA‡*9)\? -F-9;701Q}0E9()*9F- (09CL?M0A‡ + H*I54J(K9;3014U+(-F-6l0`M0L?[4J09E9()*9F-+/0123I/01*9)\?*d09 *+)=*4a9/>*4H01E)a2*+(1)F2IF*E9c014;B-*)\09C099/N-*)\09C0909;01E9c01 9)=?L?M + 8QC0*+M)*+/019/>*4H01L?M0A‡AC21)M29)=?L?M (-c01*F-`M/6=01?@0 AB) + >0-9\6X‡*9V-`M/6=01?@0AB)6C9/>*4H01E9()*9F-*9q/*PKL?F0 ( 01;<)Qe0 L- 'M0NOPQR=S0PO/AT/67=>6?@/156789ABDUT677/K/V=WX0 %aIM0Y?Z*Eq/(A1)0(*q–?-/)Q(02(0)*/An)=*(2K9M)Q8(9/C0*/C06C/ IM0A;B01+/0123*9?9/>-9*‹*809):0)=0*+>01E9()*9F-+/01239)=00([-9/*( -F)09D04F01A/01>)6X01?@0AB)0C[*+/01*;301A() V4CE9()*9F-0C[*+/01*9<) 1)(0-9fE9/M016C)0l20r(01?@0AB)+/0123ItI?[E)=*6CE9_-_*9aK9k-9@)jM/ 6=K9k-9@)6CK9F**+)a0+/0123AC6)=-AC26c-s01L?(0*+h016CE9•0*9)\*  jM/6=01?@0AB)8I?[1)M2019):2*+h0101?@0AB)+/0123*809):0*+/01E9) -9;(-9.4H014;B-01?@001?[:0A)=?[:?-g?-c01*F-`M/6=K9M)*98-I89)=?L?M6C *+)a0E9()4@01`HG*Z*-M-F-4J(K9;301H*I5`)=0K9FK`M/6=01?@0AB)+/0123 • F-4J096s01E9()*9F- + )\09C094)X?*+(*y01*9a-F-6s01K9e0`5+/0123 + %)X?*+(IM0A;B01+/01G-F-6s01K9e0`56CYF-4J096s01-_*9a-9/IM0A;B01 E9()*9F-F-4J096C-Z2E9()*9F-G-F-6s01E9c014FKV01IM0A;B01E9()*9F- 6s01-_I8K9e0`5*+s0167)K9e0`5 (9=I)09*9F)+>0I(09c-F-6s01-_4FI(09c 6s01AC03)*+i01kI)09IM0 (-F-A/C)9M)IM0-_1)F*+JE)09*\n • PKE\9/>-9E9()*9F- + >)-F-6s01-_*9a*)\09C099/>*4H01E9()*9F-L?[9/>-96s01-_*9aE9() *9F-019):0-V?6CL?[4J092s(6kE9()*9F-*9<)1)(0`u*4g?E9()*9F- + 19):0-V?E9M0l01K9k-9@)01?@0AB) (E9?9=67)-F-2V-4HE9()*9F-E9F- 09(?*‹4_4N*+(*oA=IM0A;B01-_*9aE9()*9F-oA=E9()*9F-K9M)4M2`M/E9?9= +/019/C0*/C0-_*9aK9k-9@)01?@0AB)*+/012s(6k*)\K*9q/ + 19):0-V?YF-4J09+”*oA=6CIM0A;B01E9()*9F--9/K9pKG2v)6s01 + _E\9/>-9A?e0K9):04J(4)a2E9()*9F-*+/01*y016s01E9()*9F-019):2-Z2 E9()*9F-+/010/0+/01*+;7-E9)I)09IM0 • T)a2*+(6C1)F2IF*9/>*4H01E9()*9F- + l01-;<01A8-A;B01E)a2*+(1)F2IF*9/>*4H01E9()*9F- (01;<)Qe0 + j(09C09-F-6l0`M0K9FKA‡L?[4J092V-K9>*45)67)09r0101;<)E9c01*98- 9)=04i01E\9/>-96CK9;301K9FKE9()*9F-09r019/>*4H01AC2M099;G014\02c) *+;<01I5014\06P*`F2 (+/014N-`)=*AC-F-9/>*4H01E9()*9F-4FI(09c6CI(0 9c  9\`)\06CI~Qk0101?@0AB)+/0123AC9>0-9\-9d096D6P[-g0I~Qk01 01?@0AB)*)\*E)=26C9BKA‡ • >0-9\IM0A;B01Y?Z*E9•?I(01+?01S?5-*9q/-/04;<01*)a?01>-9 + 9k-9@)9/>*4H01 (-F-09C2F[-9\`)\0+/0123*>))=*(2 + T9?[\0E9d-96C9v*+B-F-Q/(09019)=K-9\`)\0+/010_)-9?016C+/01230_) +):01 + S?[4J092V-1)F2?(*5)*9)a?45)67)*;*9;301+?01S?5-*‹4_0e01-(/*9? 09PK-9/01;<)Qe04@01*9<)1)M2IM0A;B01+/01Y?Z*I(01+?01S?5- • 9\`)\06CI~Qk01 + 19):0-V?V01Qk01+/0123*+/016()*+,-M)*9)=0-9Z*A;B010;7-1)M29C2 A;B01-F-01?[:0*5K9_01Y>*+/010;7-`)a0%@01*9<)019):0-V?IM0Y?Z*IM0K9•2 [9h-4)X?*+J-9/-F-`=0909e009)|2-9Z*K9_01Y> + 19):0-V?9/C0*9)=06C0e01-(/9)=?L?MIM0Y?Z*-•0109;-9?[a01)(/L?[ *+D09-9)\*Y?Z*-F-IM0K9•2-_1)F*+J*‹+/0123 + M)*)\0L?[*+D09IM0Y?Z*9)=0-_*)\04\0*)09-9\6C0e01-(/-9Z*A;B01IM0 K9•2 + )\K*k-019):0-V?E9M0l01V01Qk01AC2*98-K9•2-9V-0l016C-F-V01Qk01 *+/01[9h- (IM0K9•2*F-9-9)\**‹45)*;B01 • 9F**+)a001?@0AB) )\09C09019):0-V?Ie?-F-4N-4)a2I)099h-4N-`)=*AC4N-4)a2I)099h-I)09 IM06C-F-Aˆ0968-A):0L?(009“2V01Qk01IM0Y?Z*1)5016C4;(+/0123*+G*9C0945) [...]... dẫn đến sự suy giảm không thể phục hồi của nguồn lợi này, và trong tương lai sự biến mất của nó là không khó xảy ra Tuy nhiên, nếu chúng ta có thể khai thác chúng bền vững, bên cạnh đó nghiên cứu phát triển nguồn lợi thì những lợi ích thu được sẽ rất lớn Các nước trên thế giới hiện nay đều có xu thế hướng biển Khi nguồn tài nguyên trên lục địa đang... thế hướng biển Khi nguồn tài nguyên trên lục địa đang cạn kiệt dần và không có khả năng phục hồi thì tầm nhìn của các quốc gia đều hướng đến tài nguyên biển Mục tiêu hướng biển, tận dụng các nguồn tài nguyên phong phú có trong biển và đại dương cũng là nguyên nhân chính của các cuộc tranh giành lãnh hải Là quốc gia có tiềm năng về phát triển tài

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