Karakterizacija razvoja biljnoga pokrova u regiji Aurès (istočni Alžir)
uporabom Landsatovih snimaka
DOI:
https://doi.org/10.15291/geoadria.3203Sažetak
Bolje razumijevanje evolucije vegetacijskog pokrova glavna je briga zemljama u kojima su planinski ekosustavi značajno degradirani. Mediteranski šumski ekosustavi općenito, a posebno oni u Alžiru, ugrožavaju mnogobrojni tipovi degradacija, klimatski ili antropogeni. Radi boljeg razumijevanja ove problematike i nošenja s njom, provedeno je istraživanje u planinama Aurès (istočni Alžir), gdje fenomen degradacije ima izravan utjecaj na prirodne resurse. Analiziran je razvoj vegetacijskog pokrivača u regiji s pomoću podataka daljinskog istraživanja (satelitskih snimaka tipa Landsat) u razdoblju od trideset tri godine (1984. – 2017.). Izrazito izražena regresija biljnog pokrivača pripisuje se klimatskim promjenama i odumiranju (što je posebno zahvatilo nasade cedra) te antropogenom pritisku na vegetaciju u cjelini. Skupovi podataka s Landsat snimaka pokazuju smanjenje guste i otvorene šumske površine za 9.272,52 ha odnosno 12.953,30 ha. Stoga je prijeko potrebno poduzeti mjere za zaštitu i očuvanje bogate ekološke baštine regije.
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