Evaluación de plaguicidas en la cuenca del Parque nacional Esteros de Farrapos e islas del Río...

7/29/2019 Evaluacin de plaguicidas en la cuenca del Parque nacional Esteros de Farrapos e islas del Ro Uruguay.

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Njkhbfkhs ::03 %Hcd`dndf Nfkvhktujbhs$+ Afkthvdchf!Xrugujy+ Shb+< 49= =>0= & 0>+ h!ajdb< dk`fIvdcjsdbvhstrh+frg+uywww+vdcjsdbvhstrh+frg+uy

Ybjgudndcjs hk bj nuhknj chb Yjrquh Kjndfkjb Hsthrfs ch @jrrjpfs h Dsbjs chb ]f Xrugujy+

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Chsch jmrdb chb =994 PDCJ ^DBPH^S]H vdhkh rhjbdzjkcf ukj hvjbujndk ch prhshkndj ynfknhktrjndk ch pbjgudndcjs hk suhbf" phnhs y prfcunndk jpnfbj hk bj nuhknj ch dk`buhkndjchb Yjrquh Kjndfkjb Hsthrfs ch @jrrjpfs h Dsbjs chb ]f Xrugujy+ rhj quh chsch hb =995 ejsdcf dknfrpfrjcj jb ^dsthaj Kjndfkjb ch rhjs Yrfthgdcjs pfr sus hbhvjcfs vjbfrhs chmdfcdvhrsdcjc y bj prhshkndj ch hnfsdsthajs rhbdntujbhs+ Hb prfyhntf ùh `dkjkndjcf pfr hbYrfgrjaj ch @fkcfs pjrj Hnfsdsthajs chb Nfadt Efbjkcs ch XDNK %HGY!XDNK Efbjkcj$ yhlhnutjcf nfk jpfyf ch dkvhstdgjcfrhs ch bjs @jnubtjchs ch Ndhkndjs y Zuadnj ch bj Xchbj] yhb DKDJ+

AHSFCFBFGJ

:+ Jkbdsds ch pbjgudndcjs^h hvjbujrfk bjs nfknhktrjndfkhs ch pbjgudndcjs tpdnjahkth jpbdnjcfs hk bfs nubtdvfs chshnjkf y pbjktjndfkhs `frhstjbhs" hknfktrjcjs hk prfcuntfs jpnfbjs %adhb y nhrj$" phnhs chdkthrs nfahrndjb y ch nfksuaf bfnjb %asnubf$" suhbf" shcdahktf ch jrrfyfs y jguj" tjktfchktrf chb rhj prfthgdcj nfaf hk zfkjs jgrnfbjs y `frhstjbhs hk su nuhknj+ Sjamdk shjkjbdzjrfk auhstrjs ch jmhljs y phnhs nujkcf sh nfkstjtjrfk afrtjkcjchs ghkhrjbdzjcjs+ Hkhb Jkhxf D sh bdstjk bfs nfapuhstfs jkjbdzjcfs+ Bjs auhstrjs ùhrfk jkjbdzjcjs pfr hbbjmfrjtfrdf Dkthrtho %JYYBDNJ Jbhajkdj$" hb Bjmfrjtfrdf ch Hnftfxdnfbfgj ch bj Xkdvhrsdcjcch Ajr chb Ybjtj y hb Bjmfrjtfrdf Zuadnf ch bj Cdrhnndk Ghkhrjb ch ^hrvdndfs Jgrnfbjs%AGJY$+

=+ Afkdtfrhf pjrtdndpjtdvf ch afrtjkcjc ch jmhljs^h tfajrfk cjtfs ch afrtjkcjchs ahksujbhs ch jmhljs hk 5 jpdjrdfs umdnjcfs hk prhcdfs`frhstjbhs" nubtdvfs jgrnfbjs y jamdhkths kjturjbhs hk hb rhj prfthgdcj y su zfkj chdk`buhkndj+ ^h utdbdzjrfk trjapjs ch jmhljs auhrtjs thsthjcjs rhndhkthahkth pfr DKDJ!BH pjrjhvjbujr cd`hrhkndjs hk bj afrtjbdcjc mjsjb f nrkdnj" jsfndjcjs j cd`hrhkths usfs ch suhbf" yvjrdjndfkhs thapfrjbhs jsfndjcjs jb ndnbf chb nubtdvf ch sflj+ Hb afkdtfrhf ùh rhjbdzjcf pfr bfsprfpdfs jpdnubtfrhs+

>+ Jkbdsds ch bjs kfrajtdvjs y njpjndcjchs kjndfkjbhs pjrj hb usf y nfktrfb ch pbjgudndcjs^h rhjbdz ukj rhvdsdk y jkbdsds nrtdnf ch bjs kfrajtdvjs kjndfkjbhs sfmrh usf ch pbjgudndcjs yprfthnndk chb ahcdf jamdhkth" dknbuyhkcf kfrajtdvjs rhgdfkjbhs h dkthrkjndfkjbhs+ Jchas"sh hvjbujrfk bjs njpjndcjchs kjndfkjbhs pjrj hb jkbdsds y nfktrfb ch bfs pbjgudndcjs quh shjpbdnjk jntujbahkth hk Xrugujy+ Yjrj hbbf sh edzf uk rhbhvjadhktf ch bfs bjmfrjtfrdfs chb pjsquh rhjbdzjk jkbdsds ch pbjgudndcjs" y pjrj njcj ukf ch hbbf sh dchktd`dn bfs prfcuntfsquadnfs quh jkjbdzjk y sfmrh quh ajtrdnhs+

]H^XBSJCF^:+ Kdvhbhs ch pbjgudndcjs hk suhbf" jguj" phsnj y prfcunndk jpnfbjBfs prdkndpjbhs prfcuntfs hknfktrjcfs hk hsth hstucdf ùhrfk Hkcfsub`k" Nbfrpdrd`s"Ndphrahtrdkj" Ndjbftrdkj" Gbd`fsjtf" JAYJ" y Nfuajpefs+ Hb Hkcfsub`k hs uk dkshntdndcjfrgjkfnbfrjcf" cdsruptfr hkcfnrdkf" jbtjahkth txdnf+ Bj Hvdrfkahktjb Yrfthntdfk Jghknychthradkj quh bfs rhsdcufs ch Hkcfsub`k hk bfs jbdahktfs y hb jguj pfshhk rdhsgfsdkjnhptjmbhs pjrj bj sjbuc euajkj+ Auy phrsdsthkth hk hb jamdhkth %ejstj 0 jfs$" hsmdfjnuaubjmbh hk phnhs y jbtjahkth txdnf pjrj jmhljs+ Ej sdcf prfedmdcf hk as ch 89 pjshsy hk Xrugujy su usf ej sdcf rhstrdkgdcf %]hs< HKCF^XB@JK Kfvdhamrh =997+! ]hstrdkgh hb usf ch

Cdrhntdvfs


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hsth prfcuntf$+ Bj Ndphrahtrdkj hs uk dkshntdndcj pdrhtrfdch hxtrhajcjahkth txdnf pjrj phnhsy jmhljs+ Yrhshktj uk pfthkndjb afchrjcf j jbtf ch mdfjnuaubjndk y hs cdsruptfr hkcnrdkf+Hb !Ndejbftrdkj hs uk dkshntdndcj pdrhtrfdch chrdvjcf ch bj kdnftdkj auy txdnf pjrj phnhs"nrustnhfs y jmhljs+ ^fsphnefsf ch shr cdsruptfr hkcfnrdkf+ Kf hs sfbumbh hk jguj %sh jpbdnjnfaf haubsdk$+ Hb Nbfrpdrd`fs hs uk dkshntdndcj frgjkf`fs`jtjcf hxtrhajcjahkth txdnf pjrj

phnhs" jvhs y jmhljs" nfk afchrjcf j jbtf pfthkndjb ch mdfjnuaubjndk hk frgjkdsafsjnutdnfs+ Hb Nfuapjefs hs uk jnjrdndcj frgjkf`fs`jtjcf khurftxdnf h dkedmdcfr ch bjjntdvdcjc jnhtdb!nfbdkhsthrjsj" utdbdzjcf pjrj nurjr hk`hrahcjchs ch bjs nfbahkjs ! prfedmdcfhk adhb+ Hb Gbd`fsjtf hs uk ehrmdndcj jadkf`fs`rdnf pfthkndjbahkth nfktjadkjkth chb jgujsumthrrkhj+ ^h mdfjnuaubj hk phnhs y puhch ghkhrjr cjfs nrkdnfs %hkzdatdnfs"edstfbgdnfs" dkaukdtjrdfs$ h dknbusf bbhgjr j shr afrtjb hk jbtjs nfknhktrjndfkhs+ Hb JAYJ hsuk sumprfcuntf ch bj chgrjcjndk chb Gbd`fsjtf+

^h nfkstjt bj prhshkndj ch pbjgudndcjs %ehrmdndcjs h dkshntdndcjs$ hk suhbfs ch jamdhkthskjturjbhs %dknbusf chktrf chb rhj prfthgdcj$" js nfaf jbtfs kdvhbhs ch Gbd`fsjtf&JAYJ hksuhbfs `frhstjbhs cfkch kf sh jpbdnjmj phstdndcjs chsch ejnh jb ahkfs > jfs+ Sjamdk sh

nfkstjt jbtj nfknhktrjndk ch Hkcfsub`k hk shcdahktf ch njjcjs %@dgurj :$+

@dgurj :+ Nfknhktrjndk ch pbjgudndcjs hk bjs auhstrjs ch suhbf %^$ y shcdahktf %^hc$ hk zfkjs nfkcdstdktfs usfs chb suhbf hk hb rhj prfthgdcj y su hktfrkf< Nubtdvf 1 nubtdvf ch sflj" Jamdhkth kjturjb 1suhbfs chktrf chb rhj prfthgdcj f zfkjs ch mfsquh kjtdvf y @frhstjndk 1 `frhstjndk nfk hunjbdptfs+

Ch bjs fnef hsphndhs ch phnhs as nfksuadcjs bfnjbahkth y ch ajyfr dkthrs nfahrndjb" shhknfktrjrfk rhstfs ch Hkcfsub`k hk tjrjrdj %Efpbdjs ajbjmjrdnus$" mjgrh jajrdbbf %Ydahbfcusajnubjtus$" smjbf %Yrfnedbfcus bdkhjtus$ y mfgj %Bhpfrdkus fmtusdchks$ %@dgurj =$+ Hk tjrjrdrj ymjgrh jajrdbbf" bjs nfknhktrjndfkhs hknfktrjcjs `uhrfk suphrdfrhs j bf phradtdcf shgk hbNfchx jbdahktjrdua pjrj njrkh ch pfbbf %kf sh hknfktr rh`hrhkndjs pjrj njrkh ch phz$+


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@dgurj =+ Nfknhktrjndk ch Hkcfsub`k hk phnhs ch dkthrs nfahrndjb" cfkch sh dkcdnj J1 Badth axdafch rhsdcufs tfbhrjmbhs hk njrkh ch aja`hrfs pjrj nfksuaf euajkf %ag&og$? M1 Badth axdaf chrhsdcufs hk njrkh ch jvhs %ag&og$" shgk Nchx Jbdahktjrdus+

^h hknfktrjrfk hbhvjcfs kdvhbhs ch Nfuajpefs hk bjs auhstrjs ch nhrj jkjbdzjcjs %@dgurj >$"pbjgudndcj prfedmdcf hk Hurfpj y nfk nfkshnuhkndjs auy khgjtdvjs pjrj bj hxpfrtjndk ch adhbsd hb nfapuhstf sh hknfktrjsh hk adhb+

9+9

=+9

3+9

0+9

5+9

:9+9

:=+9

: = > 3 8 0 7 5 4 :9 ::

Auhstrjs

Nfknhktrjndk%ag&og$ cdndhamrh

`hmrhrf

@dgurj >+ Nfknhktrjndk ch Nfuajpefs hk nhrj rhndk fphrnubjcj ch :: jpdjrdfs+

Hk kdkgukj ch bjs :: auhstrjs ch nhrj nfbhntjcjs hk cdndhamrh sh chthntjrfk bfs ftrfspbjgudndcjs jkjbdzjcfs+ Hk ukj ch bjs :: auhstrjs nfbhntjcjs hk @hmrhrf sh rhgdstr Hkcfsub`k%9+9:3ag&og$+ Hk kdkgukj ch bjs :: auhstrjs ch adhb sh rhgdstrjrfk bfs pbjgudndcjs hstucdjcfs+

Bjs auhstrjs ch jguj jkjbdzjcjs cdhrfk khgjtdvf pjrj tfcfs bfs pbjgudndcjs jkjbdzjcfs+ Hb jguj

luktf nfk bj adhb sh nfksdchrjk hbhahktfs kf jchnujcfs pjrj chthntjr bj prhshkndj ch bfspbjgudndcjs jkjbdzjcfs" yj quh cdnefs nfapuhstfs kf sfk phrsdsthkths hk jguj y adhb+

Hk bfs njsfs ch afrtjbdcjc ajsdvj ch phnhs y ch jmhljs quh `uh pfsdmbh hvjbujr" shhknfktrjrfk jbtjs nfknhktrjndfkhs ch pbjgudndcjs hk ghkhrjb y ch Hkcfsub`k hk pjrtdnubjr" bfquh sugdhrh quh bjs afrtjkcjchs puhchk ejmhr sdcf prfcuntf ch bj jpbdnjndk ch hstfsdkshntdndcjs f ch khgbdghkndjs hk su usf %@dgurj 3j y 3m$+

9+999

9+9:9

9+9=9

9+9>9

9+939

9+989

9+909

Sjrjrdrj Mjgrh jajrdbbf ^mjbf Mfgj

Hkcfsub`k%ag&

og$

J

M


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@dgurj 3+ Nfknhktrjndfkhs ch pbjgudndcjs hk j$ > phnhs luvhkdbhs %smjbf$ nfbhntjcfs hk uk hvhktf chafrtjkcjc ajsdvj Njjcj Nfstjs ch Mhbbjnf? m$ hk jmhljs nfbhntjcjs hk cfs hvhktfs ch afrtjbdcjcajsdvj %njsfs : y =$ y nhrj ch nfbahkjs hk ftrf hvhktf ch afrtjbdcjc ajsdvj %njsf >$+

J phsjr ch bjs ùhrths rhstrdnndfkhs quh hxdsthk hk Xrugujy rhsphntf jb usf ch Hkcfsub`k shhknfktrjrfk jbtjs nfknhktrjndfkhs hk bj ajyfrj ch bjs ajtrdnhs jkjbdzjcjs< suhbf" phnhs" nhrjy jmhljs y phnhs nfbhntjcfs curjkth afrtjkcjchs ajsdvjs+ ^hrj rhnfahkcjmbh rhhvjbujr bj

jutfrdzjndk ch su usf" cjcj su jbtj tfxdndcjc" phrsdsthkndj y pfthkndjb ch mdfjnuaubjndk ymdfajgkd`dnjndk" quh ej lustd`dnjcf su prfedmdndk hk bj ajyfr pjrth chb aukcf+

=+ Afkdtfrhf pjrtdndpjtdvf ch jpdjrdfs

Yrhvdf j bj rhjbdzjndk chb afkdtfrhf" bfs jpdnubtfrhs ch ^jk Ljvdhr %jb kfrth chb rhj prfthgdcj$y Kuhvf Mhrbk %jb sur chb rhj prfthgdcj$ thkjk cd`hrhkths phrnhpndfkhs sfmrh bfs njamdfs hksu prfcunndk jpnfbj" rhsubtjkths ch bj dkthksd`dnjndk jgrnfbj+ Adhktrjs quh bfs jpdnubtfrhsch ^jk Ljvdhr kf dchktd`dnjmjk ùhrths njamdfs hk su prfcunndk jsfndjcfs j bfs njamdfs hk hbusf chb suhbf %hvdchkndjk cdsadkundk hk bj prfcunndk ch adhb pfr nfbahkj" phrf kf ukjuahktf hk bjs afrtjkcjchs ch jmhljs$" bfs ch Kuhvf Mhrbk phrndmjk ukj jbtj prfpfrndk ch

prcdcjs ch nfbahkjs nfaf nfkshnuhkndj ch bjs ùadgjndfkhs ch bfs nubtdvfs" js nfaf ukjcdsadkundk hk su prfcunndk ch adhb+

Ahcdjkth hb afkdtfrhf pjrtdndpjtdvf dkstjbjcf nfk bfs prfpdfs jpdnubtfrhs" sh nfkstjt quh hbkahrf ch jmhljs quh auhrhk hk kfvdhamrh %afahktf ch jntdvdcjc ahkfr ch bjs nfbahkjs?prhvdf jb nubtdvf ch sflj$ ùh sdadbjr hk tfcf hb sdtdf ch hstucdf %tjktf hk ^jk Ljvdhr nfaf hkKuhvf Mhrbk$+ Yjrj bfs ahshs ch hkhrf!`hmrhrf %afahktf ch ajyfr jntdvdcjc hk bjsnfbahkjs$" hb prfahcdf ch jmhljs auhrtjs shajkjbahkth ùh ajyfr hk bj zfkj ch KuhvfMhrbk quh hk bj zfkj ch ^jk Ljvdhr %Sjmbj :$+

Sjmbj :+ Kahrf ch jmhljs auhrtjs shajkjbahkth pfr phrfcf y pfr zfkj

Yhrfcf \fkj ch ^jk Ljvdhr \fkj ch Kuhvf Mhrbk

kfvdhamrh 07 39 jmhljs 85 >4 jmhljs

hkhrf!`hmrhrf 00 >4 jmhljs >47 =45 jmhljs

Jchas" sh rhgdstrjrfk cd`hrhkndjs hk hb kahrf ch jmhljs auhrtjs hk prhcdfs hk hktfrkfsnfk cd`hrhkths usfs ch suhbf+ ^h fmshrv quh bj afrtjkcjc mjsjb ch jmhljs hs ajyfr hkjpdjrdfs hk prhcdfs rfchjcfs ch nubtdvfs ch sflj" quh hk jpdjrdfs hk hktfrkfs `frhstjbhs" y quhhk jamdhkths kjturjbhs %@dgurj 8$+


5/6


>3+4>

:70

7:+:

9

89

:99

:89

=99

Jamdhkth kjturjb Nubtdvf @frhstjndk

Xsf chb suhbf

Kchjmhljsauhrtjs

@dgurj 8+ Yrfahcdf ch jmhljs auhrtjs pfr shajkj pfr usf ch suhbf+

Jbgukfs rhsubtjcfs prhbdadkjrhs sugdhrhk jchas quh hxdsth ukj nfrrhbjndk khgjtdvj hktrhprfcunndk ch adhb y ( ch nubtdvf jgrnfbj jbrhchcfr chb jpdjrdf+ ^dhkcf quh j ajyfr ( chnubtdvf" ahkfr njktdcjc ch adhb fmthkdcj pfr cdnef jpdjrdf %hvjbujcf pfr nfbahkj$+

Hsth tdpf ch rhsubtjcfs" fmthkdcfs pfr bfs prfpdfs prfcuntfrhs y quh phradthk hvjbujr suprfpdj prfcunndk y nfaf stj sh vh j`hntjcj pfr njamdfs hk hb usf chb suhbf" hvdchkndjk bj

utdbdcjc ch ghkhrjr njpjndcjchs hk bfs prfcuntfrhs pjrj hb afkdtfrhf ch su prfcunndk" ynfaf hbhahktf ch jpfyf pjrj ahlfrjr bj ghstdk chb thrrdtfrdf quh rhjbdzjk bjs f`dndkjs chgfmdhrkf+

>+ Kfrajtdvj y njpjndcjchs kjndfkjbhs

Bj rhvdsdk y jkbdsds ch bj kfrajtdvj vdghkth sfmrh hb usf y nfktrfb ch pbjgudndcjs dchktd`dnkuahrfsfs vjnfs" chstjnkcfsh bj dkhxdsthkndj ch kfrajtdvjs rhsphntf j su usf hk rhjsprfthgdcjs f sdtdfs kjturjbhs hk ghkhrjb" sdk quh hxdstj kfrajtdvj rhsphntf j bjs cdstjkndjsakdajs pjrj bjs jpbdnjndfkhs+ Kf `uh pfsdmbh dchktd`dnjr hstucdfs quh lustd`dquhk bjs cdstjkndjsutdbdzjcjs hk bj kfrajtdvj rhsphntf j cd`hrhkths nfapfkhkths chb pjdsjlh" y njrhkndjs chnrdthrdfs rhsphntf j jbgukfs ch hbbfs %h+g+" njsjs jdsbjcjs y hsnuhbjs rurjbhs$+

^h hknfktr quh bfs bjmfrjtfrdfs kjndfkjbhs kf tdhkhk jlustjcjs bjs tnkdnjs pjrj hstucdjr bjrhsdcujbdcjc ch pbjgudndcjs hk phnhs y jmhljs" pfr bf quh kf hs pfsdmbh hb afkdtfrhf ch sudkndchkndj hk phnhs f prfcuntfs jpnfbjs" dknbudcjs afrtjkcjchs ajsdvjs ch `jukj %Sjmbj =$+

Sjmbj =+ Bjmfrjtfrdfs kjndfkjbhs nfktjntjcfs y sus njpjndcjchs ch jkbdsds ch auhstrjs pjrj hvjbujr rhsdcufs chpbjgudndcjs+

Dkstdtundfkhs kjndfkjbhs nfktjntjcjs< Yrfmbhatdnj dchktd`dnjcj


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^h hknfktrjrfk cd`dnubtjchs hk bj nffrcdkjndk dkstdtundfkjb" prdkndpjbahkth chktrf chcdrhnndfkhs chb Adkdsthrdf ch Gjkjchrj" Jgrdnubturj y Yhsnj" y nfk bj Cdrhnndk Kjndfkjb chAhcdf Jamdhkth y bjs dkthkchkndjs aukdndpjbhs+ Bfs rhsubtjcfs sugdhrhk quh hs khnhsjrdfhvjbujr y hstjmbhnhr nfk ajyfr prhndsdk bjs nfaphthkndjs ch njcj f`dndkj" ahlfrjr bfsahnjkdsafs ch nffrcdkjndk hktrh hbbjs" chsjrrfbbjr prftfnfbfs nfkluktfs ch jntujndk h

dksphnndk" y ahlfrjr bfs ahnjkdsafs pjrj bj rhnhpndk y rhspuhstj j chkukndjs+

Jchas" sh hvdchkndj bj `jbtj ch uk prfgrjaj phrajkhkth ch afkdtfrhf ch bjs jpbdnjndfkhs chpbjgudndcjs j kdvhb kjndfkjb y ch bjs nfknhktrjndfkhs ch bfs nfapuhstfs hk cd`hrhkths ajtrdnhs! jbdahktfs" suhbf" jguj y sdsthajs kjturjbhs !" js nfaf hstucdfs sfmrh bfs h`hntfs ch hstjsnfknhktrjndfkhs sfmrh bj mdftj f bj sjbuc euajkj" j hxnhpndk ch prfcuntfs ch dkthrs pjrj bjhxpfrtjndk nfaf njrkh" bhneh y adhb+

Hk rhsuahk"! ^h chthnt bj prhshkndj ch rhsdcufs ch pbjgudndcjs jbtjahkth txdnfs hk phnhs ch vjbfr

nfahrndjb y nfksuadcfs j kdvhb bfnjb+

! Bfs dkshntdndcjs utdbdzjcfs hk bfs sdsthajs jgrnfbjs hstucdjcfs" tdhkh uk hbhvjcf dapjntfsfmrh bj jpdnubturj" ghkhrjkcf hktrh ftrjs nfsjs" ukj nbjrj cdsadkundk ch bj prfcunndkch adhb+

! ^h nfkstjtjrfk jbtjs nfknhktrjndfkhs ch pbjgudndcjs hk phnhs y jmhljs nfbhntjcfs curjkthafrtjkcjchs ajsdvjs+

! ^h nfkstjt bj phrsdsthkndj ch dkshntdndcjs y ehrmdndcjs hk suhbfs prfcuntdvfs tdhapfchspus ch su jpbdnjndk %ejstj > jfs hk suhbfs ch usf `frhstjb y uk jf chspus hk suhbfch usf sflhrf$ y su prhshkndj hk suhbfs ch jamdhkths kjturjbhs" dknbuyhkcf hb rhjprfthgdcj" nfk dapjntfs chsnfkfndcfs sfmrh bjs efradgjs chb gkhrf Jttj y ftrjhktfaf`jukj" hbhahktfs chstjnjcfs ch bj mdfcdvhrsdcjc chb rhj prfthgdcj+

! ^h chthntjrfk hbhvjcjs nfknhktrjndfkhs ch pbjgudndcjs chktrf chb rhj prfthgdcj y hk

jbgukfs nfapfkhkths nbjvh ch bj mdfcdvhrsdcjc ch bj adsaj? hs pjrtdnubjrahkth rhbhvjkthbj prhshkndj ch pbjgudndcjs hk phnhs chb rhj" cjcf quh bj adsaj hs uk sdtdf ch nrj chdapfrtjkndj pjrj bj phsnj hk hb ]f Xrugujy" hk dknbusf hb ]f ch bj Ybjtj+

! Bj kfrajtdvj quh rhgubj hb usf ch pbjgudndcjs hst pfnf chsjrrfbbjcj" prhshktj grjkchsvjnfs y hst pfnf susthktjcj hk hxphrdhkndjs dkthrkjndfkjbhs+

! Hxdsthk `uhrths bdadtjndfkhs hk bjs njpjndcjchs kjndfkjbhs pjrj hb afkdtfrhf ch bfsdapjntfs ch pbjgudndcjs usjcfs hk sjkdcjc vhghtjb sfmrh jkdajbhs" prfcunndk jpnfbj y hbahcdf jamdhkth+

! Hs `jntdmbhs quh bfs prfpdfs prfcuntfrhs rhjbdnhk afkdtfrhfs ch su prfcunndk y suhktfrkf+

Evaluación de plaguicidas en la cuenca del Parque nacional Esteros de Farrapos e islas del Río...

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