Matt Newton: "The Impact of Riverine Barriers on the Freshwater Migration of Atlantic Salmon"

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    Vhe Bopint cg Pbverbje@irrbers cj the

    Greshwiter Obmritbcjcg Itaijtbn iaocj

    Oitt Jewtcj

    I prclent suppcrtef `y the Eurcpeij Ujbcj's BJVEPPEM BWI Trcmriooe oijimef `y the ^penbia EU Trcmriooes @cfy

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    Hi`btit Ncjjentbvbty ^piwjbjm mrcujfs, Luvejbae

    oituritbcj, Ifuat geefbjm mrcujfs

    Obmritbcj `etweej hi`btits bs E^^EJVBIA

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    Gacw virbi`babty< Weacnbty/ Fepth

    @irrbers tc Obmritbcj

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    Peaitbveay C`vbcus3 Obtbmitbcj gbsh pisses Peseirnh

    ^oiaa sniae `irrbers oiy iasc`e bopissi`ae

    Aink reseirnh

    Teroijejt @irrbers

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    Tirtbia/Veopcriry @irrbers Vrifbtbcjiaay Bg i gbsh bs seej tc piss cr bs presejtupstreio cg i `irrber bt bs mejeriaay ncjsbferef

    pissi`ae

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    Fepth Weacnbty

    Nhijjea type ijf Wirbitbcj

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    Hbmh Gacws3

    Gacw

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    Thysbnia prcpertbes cg the `irrber e.m. ^JBGGEP ocfea ]GF999< Ncirserescautbcj ripbf issessoejt oethcfcacmy

    Ainks Wiabfitbcj

    Veaeoetry Wbsuiabse JIVUPIA `ehivbcur bj respcjse tc `irrber Veaeoetry bs expejsbve Oilcrbty cg stufbes ire ujfertikej it airme sniae bopcujfoejts bj nc-

    cperitbcj wbth hyfrcpcwer ncopijbes tc boprcve gbsh pissime ^oiaa siopae sbzes

    Pesuats< Mcwijs et ia (044=)< 6 cg 56 timmef gbsh reinhef spiwjbjm ireis

    Nrcze, (0445)< 6.>% cg bjfbvbfuias pissef 08 `irrbers tc spiwj Pcsnce et ia (0499)< ^urvbvia rites gcr gbsh reaeisef `eacw fio wis 6>%

    ncopiref tc thcse i`cve cg 2>%

    944% ^unness bj Trestbje Pbver Viji Jcrtherj Jcrwiy; Erkbjirc(9222),kaijf (0449)

    @irrber ^tufbes

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    Cgtej abobtef tc sbjmae bopcujfoejts

    Wery gew stufbes cj soiaa sniae, ruj cg the rbver type `irrbers Abkeay tc `e teopcriry Jc ncjtrca cver gacws

    Eggent cg feaiy Trefitbcj Ijmaer pressure Bjnreisef ejermy expejfbture

    Ouatbpae Nhijjea cptbcjs

    C`servitbcjia stufbes Hbmhabmht obmritcry `cttaejenk `ut giba tc bfejtbgy reiscjs gcr gibaure

    Niufhbaa et ia, (044=) Vimmef 98,087 gbsh wbth 974 renebvers, jc oejtbcj cgreiscjs gcr gibaure

    ]hy fc gbsh giba tc piss ij c`struntbcj3 IA^C ]hy fc gbsh piss3

    Pequbreoejt gcr ij bjterfbsnbpabjiry ipprcinh abjkbjm c`servitbcjiateaeoetry wbth physbcacmbnia ijf mejcobn tccas

    Peseirnh Mips

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    Cgtej abobtef tc sbjmae bopcujfoejts

    Wery gew stufbes cj soiaa sniae, ruj cg the rbver type `irrbers Abkeay tc `e teopcriry Jc ncjtrca cver gacws

    Eggent cg feaiy Trefitbcj Ijmaer pressure Bjnreisef ejermy expejfbture

    Ouatbpae Nhijjea cptbcjs

    C`servitbcjia stufbes Hbmhabmht obmritcry `cttaejenk `ut giba tc bfejtbgy reiscjs gcr gibaure

    Niufhbaa et ia, (044=) Vimmef 98,087 gbsh wbth 974 renebvers, jc oejtbcj cgreiscjs gcr gibaure

    ]hy fc gbsh giba tc piss ij c`struntbcj3 IA^C ]hy fc gbsh piss3

    Pequbreoejt gcr ij bjterfbsnbpabjiry ipprcinh abjkbjm c`servitbcjiateaeoetry wbth physbcacmbnia ijf mejcobn tccas

    Peseirnh Mips

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    Issess the `ehivbcur cg Itaijtbn ^iaocj cj ipprcinh tc i soiaa sniae rbverbje`irrber

    ]hit intuiaay hippejs3

    Itteopt tc ujferstijf reiscjs gcr pissime/sunness it `irrber ijf bg reaitef tc bjfbvbfuiatribts

    Bfejtbgy nhijjea seaentbcj ijf pctejtbia reiscj gcr nhijjea seaentbcj Veise ipirt, hyfrcacmbniaay, rbver `irrber bj ij itteopt tc ujferstijf whit nhijjeas gbsh ire

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    Wiabfitbcj cg JBGGEP `irrber issessoejt

    Ibos ijf C`lentbves Bjvestbmite hcw siaocj use gbsh piss nhijjeas bj airme webr systeos ijf the

    eggents cg soiaa-sniae `irrbers bj rbver systeos tc feveacp oijimeoejt cptbcjs gcr]GF tirmets.

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    Oethcf< Pifbc Veaeoetry

    Pifbc tims eobt i ncfefgrequejny whbnh nij `efetentef thrcumh renebver

    equbpoejt cj aijf

    Vims ire bjsertef cescphmiaaybjtc the gbsh. ^iaocj fc jct geefbj greshwiter ijf sc tim bs senure

    ijf fces jct eggent gbsh`ehivbcur

    Penebvbjm equbpoejtiaacws gbsh tc `e

    pbjpcbjtef wbthbj theiquitbn ejvbrcjoejt

    0490< Gbsh ncaaentef bj gbsh piss, trijspcrtef ijf reaeisef fcwjstreio.

    Hif prevbcus ejncujter wbth `irrber ijf exhb`btef rcute nhcbne< Tcss`baeisscnbitbcj bopissi`ae nhijjea

    049>< Gbsh ncaaentef thrcumh frigt jettbjm @irrber jive

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    ^bcj Obaas @irrber

    Iutcoitbn

    Abstejbjmstitbcjs

    Penebver Irriy Vc eji`ae the prenbsebfejtbgbnitbcj cg the ocveoejts cg siaocj

    Pbver ^niae @rcifocveoejts `etweejiutcoitbn abstejbjmzcjes

    ^bte ^niae Gbje sniaeocveoejts it `irrber

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    Eggent cg soiaa sniae `irrbers cj siaocj obmritbcj Veopcriry `irrbers ijf virbi`babty bj gacws iggentbjm nhijjea

    pissi`babty Nhijjea seaentbcj

    Pifbc timmef 9>0 siaocj (90 bj 0490, 904 bj 049>)

    Feveacpoejt cg i rifbc teaeoetry irriy it i rbver`irrber Gbje sniae ocveoejts cg bjfbvbfuia `ehivbcur it i obmritbcj

    `irrber, bj respcjse tc ejvbrcjoejtia + bjfbvbfuia tribts

    Pifbc Vrinkbjm 0490/9>

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    I prclent suppcrtef `y the Eurcpeij Ujbcj's BJVEPPEM BWI Trcmriooe oijimef y the penbia EU Trcmriooes @cfy