Granbarkborren Hotar Sydsveriges Skogar

Granbarkborren hotar sydsveriges skogar
00:14

GIFTAS PA KINESISKA

Sedan har Skogsstyrelsen övervakat den svenska stammen av granbarkborrar och studerat hur arten har svärmat. Nu riskerar övervakningen att upphöra.



Granbarkborren hotar sydsveriges skogar
01:31

KNIVSKUREN AV EXFRUN

Det varma och torra vädret har satt ordentlig fart på den åttatandade granbarkborren. Under tre veckor har 30 granbarkborrar fångats i en fälla söder om Ljungan i Medelpad.



Granbarkborren hotar sydsveriges skogar
01:32

BESKEDET OM GRANEN SPELAR INTE MOT TURKIET

Trots sin ringa längd, endast fyra millimeter, kan granbarkborren orsaka stor skada på skog — och det i kraft av att den inte kommer ensam. I år väntas de här skalbaggarna bli ovanligt många, på grund av värmeböljan tidigare i maj.

Granbarkborren hotar sydsveriges skogar
00:09

MOBBARE SATTS DIT SNABBARE

Lennart Svensson, som jobbar med insektsövervakning på Skogsstyrelsen, varnar för att risken är stor att granbarkborren slår till om inte skada skog tas bort. Den snörika vintern orsakade stora skador på skogen i Södra Sverige.



Granbarkborren hotar sydsveriges skogar
01:04

REKTOR HALSAR ELEVER IKLADD TRIKAER

Din sökning ' ' genererade träffar. Granbarkborren är den insekt som gör mest skada på våra granskogar.



Granbarkborren hotar sydsveriges skogar
00:04

BRAKMAKARE KAN VARA DOPADE

För övriga går det att  köpa ett lösnummer här». Skogen i Skolan är ett nationellt samverkansprogram mellan skolan och Sveriges skogliga intressenter.

Sydsveriges skogar hotar Granbarkborren
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Granbarkborren hotar sydsveriges skogar
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Vindfällen och konkurrens styr antalet granbarkborrar.

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