Skarfanes - Growing forests in Iceland deserts
Skarfanes is a deserted area in South Iceland, located close to the Hekla volcano and Búrfell mountain. For thousands of years, it is claimed to have been a fully vegetated area, with thriving birch forests. After human-induced deforestation, erosion forces took over, finally leaving the area destitute and barren. In this video, Dr. Dennis Riege and Dr. Aðalsteinn Sigurgeirsson explain an ongoing experiment in the area aimed at better understanding how do reestablish healthy forests on such eroded sites. Five treee species are used as well as nitrogen-fixing lupine. Synergies between those species are being monitored as well as carbon sequestration potential. Preliminary results are quite surprising, giving hope for better knowledge on successful afforestation measures in Iceland. [Í landi Skarfaness í Landsveit, skammt frá Heklu og Búrfelli, er uppblásið svæði þar sem áður stóð vöxtulegur birkiskógur um þúsundir ára. Hart var sótt í skóginn eftir eldiviði og á endanum tóku eyðingaröflin völdin og landið breyttist í sandorpna auðn. Í þessu myndbandi lýsa dr Dennis Riege og dr Aðalsteinn Sigurgeirsson tilraun sem lögð hefur verið út á svæðinu til að afla betri þekkingar á aðferðum við skóggræðslu á slíku landi. Fimm trjátegundir í mismunandi samsetningum eru notaðar auk lúpínu sem bindur nitur í jarðveginum. Skoðað er samspil þessara tegunda eftir því hverjar þeirra eru gróðursettar saman. Sömuleiðis eru skoðað hvernig ná megi sem mestri kolefnisbindingu með skógrækt á svona svæðum. Bráðabirgðaniðurstöður gefa vísbendingar um að tilraunin muni færa okkur betri vitneskju um hvernig ná megi góðum árangri við skógrækt á auðnum sem þessari.]

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