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Södertörnsekologernas groddjursprojekt 2008

Groddjursinventering 2008 - Huddinge kommun

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SÖDERTÖRNSEKOLOGERNAS GRODDJURSPROJEKT <strong>2008</strong><br />

Diskussion ............................................................................................................................................. 33<br />

Det finns många möjligheter............................................................................................................. 33<br />

Val av prioriteringar ..................................................................................................................... 33<br />

Tidpunkt för inventering............................................................................................................... 33<br />

Val av antal besök per lokal.......................................................................................................... 34<br />

Val av platser att inventera på större lokaler ................................................................................ 34<br />

Säkerhet i bestämning av art, kvantitet och kvalitet ......................................................................... 34<br />

Artbestämning .............................................................................................................................. 34<br />

Kvantitet och kvalitet.................................................................................................................... 34<br />

Fynden av groddjur ........................................................................................................................... 35<br />

Olika vattentyper gav olika resultat.............................................................................................. 36<br />

Artfördelning ................................................................................................................................ 36<br />

Större vattensalamander i anlagda groddammar........................................................................... 36<br />

Större vattensalamander omkring Södertörn ................................................................................ 37<br />

Intresserad omvärld........................................................................................................................... 37<br />

Rapporter från allmänheten och experter...................................................................................... 37<br />

Stort medialt intresse och guidad tur ............................................................................................ 37<br />

Slutsatser............................................................................................................................................... 39<br />

Kontinuerlig insamling av data och utvärdering behövs................................................................... 39<br />

Åtgärder behövs på många platser .................................................................................................... 40<br />

Motverka uttorkning av reproduktionshabitat .............................................................................. 40<br />

Minska predation från fisk............................................................................................................ 40<br />

Groddjur och trafik ....................................................................................................................... 41<br />

Anlägg småvatten och andra våtmarker........................................................................................ 41<br />

Skötsel av anlagda vatten med groddjur....................................................................................... 41<br />

Flytta djur – en nödåtgärd............................................................................................................. 42<br />

Källor...................................................................................................................................................... 43<br />

Skriftliga (rapporter, webbsidor, databaser o.d.)...............................................................................43<br />

Kontakter (muntliga, e-post)............................................................................................................. 44<br />

BILAGOR............................................................................................................................................... 45<br />

Kommunvisa rapporter (separata dokument).................................................................................... 45<br />

Bilaga 1. Botkyrka kommun......................................................................................................... 45<br />

Bilaga 2. Haninge kommun .......................................................................................................... 45<br />

Bilaga 3. Huddinge kommun........................................................................................................ 45<br />

Bilaga 4. Nykvarn kommun.......................................................................................................... 45<br />

Bilaga 5. Nynäshamn kommun..................................................................................................... 45<br />

Bilaga 6. Salems kommun ............................................................................................................ 45<br />

Bilaga 7. Stockholms stad............................................................................................................. 45<br />

Bilaga 8. Tyresö kommun............................................................................................................. 45<br />

Övriga bilagor ................................................................................................................................... 45<br />

Bilaga 9. Blankett för datainsamling (protokoll).......................................................................... 45<br />

Bilaga 10. Blankett för datasammanställning............................................................................... 45<br />

Bilaga 11. DPSIR-modellen ......................................................................................................... 45<br />

Bilaga 12. Södertälje kommun (kommunens inventering 2007, sammanfattning)....................... 45<br />

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