Biotska raznovrstnost na Krasu
author: Andrej Gogala,
Kustodiat za nevretenčarje, Prirodoslovni muzej Slovenije
published: May 17, 2010, recorded: May 2010, views: 4294
published: May 17, 2010, recorded: May 2010, views: 4294
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Description
Velika raznovrstnost rastlinstva na Krasu je predpogoj za veliko raznovrstnost živalstva, predvsem žuželk. Vzroke za oboje pa lahko iščemo
(1) v apnenčasti kamninski podlagi in tanki prsti nad njo, ki otežujeta intenzivno kmetijstvo,
(2) razmeroma toplem submediteranskem podnebju, ki omogoča preživetje toploljubnim vrstam,
(3) močni burji, ki zavira zaraščanje z gozdom vsaj na vršnih grebenih in morda tudi
(4) občasnim požarom, ki v sušnih letih vračajo rastje v zgodnejše stopnje zaraščanja.
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pms2010_gogala_brk_01.pdf (16.5 MB)
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pms2010_gogala_brk_01.ppt (74.6 MB)
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