Kartlegging Av Biologisk Mangfald I Gjemnes 1999-2000

Kartlegging Av Biologisk Mangfald I Gjemnes 1999-2000

Kartlegging av biologisk mangfald i Gjemnes 1999-2000. John Bjarne Jordal Gjemnes kommune Forfattar: John Bjarne Jordal 6610 Øksendal Telefon 71 69 54 45 epost: [email protected] Utgjevar: Gjemnes kommune 6631 Batnfjordsøra Kan siterast fritt med vising til kjelde. Rapporten kan tingast frå: Gjemnes kommune 6631 Batnfjordsøra Tlf: 71 29 11 11 Denne rapporten kan refererast som: Jordal, J. B., 2000: Kartlegging av biologisk mangfald i Gjemnes kommune 1999-2000. Gjemnes kommune. 110 s. + kart. Framsidefoto: Traner på Osmarka, ein sjeldan hekkefugl i Møre og Romsdal. Eit av særtrekka ved naturen i Gjemnes er dei mange austlege artane av både fugl, planter og insekt på Osmarka, artar som er sjeldne eller fråverande elles i fylket. Dei slakke åsane, skogen, myrene og innsjøane gjev oss kanskje også assosiasjonar til Austlandet. Resten av kommunen er meir typisk for fjordstroka på Nordvestlandet, og gjer at Gjemnes alt i alt er ein svært variert kommune. Foto: Ulf Johannessen. 1 2 INNHALD SAMANDRAG.................................................................................................................................................... 5 INNLEIING......................................................................................................................................................... 9 Bakgrunn...........................................................................................................................................................9 Formål ...............................................................................................................................................................9 Nokre begrep.....................................................................................................................................................9 METODAR OG MATERIALE....................................................................................................................... 11 Generelt...........................................................................................................................................................11 Innsamling av informasjon..............................................................................................................................11 Bestemmelsesarbeid og dokumentasjon..........................................................................................................14 Verdsetting og prioritering..............................................................................................................................14 Presentasjon.....................................................................................................................................................16 NATURGRUNNLAG OG NATURBRUK ..................................................................................................... 17 Landskap m.m. ................................................................................................................................................17 Klima...............................................................................................................................................................17 Geologi............................................................................................................................................................17 Lausmassar......................................................................................................................................................18 Natur- og biogeografisk plassering .................................................................................................................18 Havstrand og kyst............................................................................................................................................19 Kulturlandskap ................................................................................................................................................20 Skog ................................................................................................................................................................21 Ferskvatn.........................................................................................................................................................23 Myr..................................................................................................................................................................23 Berg og rasmark ..............................................................................................................................................24 Fjell .................................................................................................................................................................24 OMRÅDESKILDRINGAR (FAKTAARK) ................................................................................................... 25 Batnfjorden: Oppunder Harstadfjellet (alm) ...................................................................................................25 Batnfjorden: Perseterlia (alm) .........................................................................................................................26 Batnfjorden: under Steinlifjellet (rikmyr) .......................................................................................................27 Batnfjordsøra (strand) .....................................................................................................................................27 Bergsøya: Jåholman ........................................................................................................................................28 Bergsøya: Sætra - Brannholmen (strand) ........................................................................................................29 Bergsøya: v. for Halset (edellauvskog) ...........................................................................................................30 Brakstadstranda: Brubekk (naturbeitemark) ...................................................................................................30 Flemma: ved Flemsetervatnet (myr)................................................................................................................31 Flemma: Flemsetra (naturbeitemark) ..............................................................................................................31 Flemma: Gagnat og Sogna (kulturlandskap)...................................................................................................32 Flemma: Nebba (alm)......................................................................................................................................33 Flemma: Varvika (alm) ...................................................................................................................................34 Flemma: Varviksetra (rikmyr).........................................................................................................................34 Flåberget (naturbeitemark)..............................................................................................................................35 Flålia (alm, rik fjellvegetasjon) .......................................................................................................................35 Fursetfjellet: Pikhaugen-Uførelva (rikmyr).....................................................................................................36 Fursetfjellet: Raudliløken (rikmyr) .................................................................................................................37 Fursetfjellet: Stangarmyra, Langliløken (rikmyr, ferskvatn)...........................................................................38 Gjemnes: ved Gjemnes kyrkje (svartor)..........................................................................................................39 Gjemnes: Høgheiskarven (Blåfjellet)(rik fjellvegetasjon) ..............................................................................40 Gjemnes: Høgsetleira (strand).........................................................................................................................40 Gjemnes: Ikornneset-Høgset (svartor m.m.) ...................................................................................................41 Gjemnesaksla (alm).........................................................................................................................................42 Gjemnesstranda: Jutulen & Øverjutulen (naturbeitemark)..............................................................................43 Hoem: Kinna (naturbeitemark) .......................................................................................................................43 Hoem: Svanavollen (naturbeitemark) .............................................................................................................44 Osmarka: Aspåsmyran (intakt låglandsmyr) ...................................................................................................45 Osmarka: Duskardbekken (rikmyr).................................................................................................................46 Osmarka: Duålia (gammel furuskog) ..............................................................................................................47 3 Osmarka: Duålisetra (naturbeitemark) ............................................................................................................48 Osmarka: Fosterlågen

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