Kunnskapsgrunnlag for Nedre Adventdalen

Kunnskapsgrunnlag for Nedre Adventdalen

Kunnskapsgrunnlag for Nedre Adventdalen KUNNSKAPSGRUNNLAG FOR NEDRE ADVENTDALEN 1 Kunnskapsgrunnlag for Nedre Adventdalen April 2018 INNHOLD SAMMENDRAG ............................................................................................................................... 5 1. INNLEDNING ............................................................................................................................. 6 1.1 BESKRIVELSE AV OPPDRAGET....................................................................................... 6 1.2 LEVERANSEN OG BEGRENSNINGER .............................................................................. 7 1.3 BIDRAGSYTERE OG LEVERANDØRER ............................................................................ 8 2. FAUNA ...................................................................................................................................... 8 2.1 VANNFUGL ......................................................................................................................... 8 2.1.1 Bakgrunnsdata ................................................................................................................. 8 2.1.2 Rødlistede fuglearter i utredningsområdet ...............................................................10 2.1.3 Områdevis gjennomgang ........................................................................................... 11 2.1.3.1 Adventdalsdeltaet ........................................................................................... 12 2.1.3.2 Hundegårdsområdet på sørsiden Adventdalsdeltaet ................................ 18 2.1.3.3 Fivelflya .......................................................................................................... 22 2.1.3.4 Isdammen med tilstøtende viktige områder for vannfugl ......................... 26 2.1.3.5 Området mellom utløpet av Endalen og Todalen ...................................... 30 2.1.3.6 Området mellom Todalen og Bolterdalen .................................................. 35 2.1.3.7 Området mellom Arctowskifjellet og Janssonhaugen ................................. 39 2.1.4 Vannfugl. Artsvis gjennomgang ..................................................................................41 2.1.4.1 Kortnebbgås ................................................................................................. 42 2.1.4.2 Ringgås ......................................................................................................... 43 2.1.4.3 Hvitkinngås .................................................................................................... 45 2.1.4.4 Stokkand ........................................................................................................ 46 2.1.4.5 Brunnakke...................................................................................................... 47 2.1.4.6 Krikkand ......................................................................................................... 47 2.1.4.7 Stjertand ........................................................................................................ 47 2.1.4.8 Ærfugl ........................................................................................................... 48 2.1.4.9 Praktærfugl .................................................................................................... 48 2.1.4.10 Havelle .......................................................................................................... 50 2.1.4.11 Smålom ......................................................................................................... 52 2.1.4.12 Havhest ......................................................................................................... 53 2 Kunnskapsgrunnlag for Nedre Adventdalen 2.1.4.13 Sandlo ................................................................................................... 53 2.1.4.14 Heilo ....................................................................................................... 53 2.1.4.15 Polarsnipe .............................................................................................. 54 2.1.4.16 Sandløper ............................................................................................... 54 2.1.4.17 Alaskasnipe .............................................................................................. 55 2.1.4.18 Fjæreplytt................................................................................................ 56 2.1.4.19 Myrsnipe ................................................................................................... 58 2.1.4.20 Svømmesnipe .......................................................................................... 59 2.1.4.21 Polarsvømmesnipe .......................................................................................... 60 2.1.4.22 Steinvender ..................................................................................................... 61 2.1.4.23 Tyvjo ................................................................................................................ 61 2.1.4.24 Fjelljo ............................................................................................................... 62 2.1.4.25 Storjo ............................................................................................................... 63 2.1.4.26 Hettemåke ....................................................................................................... 63 2.1.4.27 Fiskemåke ........................................................................................................ 64 2.1.4.28 Sildemåke ......................................................................................................... 64 2.1.4.29 Gråmåke ........................................................................................................... 64 2.1.4.30 Grønlandsmåke ................................................................................................ 65 2.1.4.31 Polarmåke ....................................................................................................... 65 2.1.4.32 Svartbak ........................................................................................................... 67 2.1.4.33 Krykkje .............................................................................................................. 68 2.1.4.34 Ismåke ..............................................................................................................69 2.1.4.35 Rødnebbterne ................................................................................................. 72 2.1.4.36 Polarlomvi ....................................................................................................... 74 2.1.4.37 Teist .................................................................................................................. 75 2.1.4.38 Alkekonge ......................................................................................................... 76 2.1.4.39 Lunde ............................................................................................................... 77 REFERANSER. Vannfugl (inkl. ferdselseffekter på fugl)............................................................ 77 2.2 SVALBARDRYPE ....................................................................................................................... 78 REFERANSER. Svalbardrype (inkl. ferdselseffekter) ................................................................. 82 2.3 FOREKOMST AV ANDRE FUGLEARTER .............................................................................. 83 2.4 SVALBARDREIN ...................................................................................................................... 83 REFERANSER. Svalbardrein (inkl. ferdselseffekter) .................................................................. 85 2.5 FJELLREV ................................................................................................................................ 86 2.6 FOREKOMST AV FREMMEDE ARTER. FAUNA ................................................................... 87 REFERANSER. Fjellrev og fremmede arter (inkl. ferdselseffekter) ........................................... 88 2.7 OMRÅDER SOM ER SPESIELT SÅRBARE FOR MENNESKELIG FERDSEL OG AKTIVITET ....... 89 2.7.1 Vannfugl ................................................................................................................. 89 2.7.2 Svalbardrype ............................................................................................................90 2.7.3 Svalbardrein .............................................................................................................91 2.7.4 Fjellrev ...................................................................................................................... 91 3 Kunnskapsgrunnlag for Nedre Adventdalen 2.8 KUNNSKAPSMANGLER FAUNA .......................................................................................... 92 3. FLORA ............................................................................................................................................. 92 3.1 VEGETASJONSTYPER I OMRÅDET ...................................................................................... 92 3.2 FOREKOMST AV RØDLISTEDE PLANTEARTER .................................................................... 95 3.3. FOREKOMST AV FREMMEDE PLANTEARTER ..................................................................... 96 3.4. OMRÅDER SOM ER SPESIELT

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