Decomposition of salix and populus leaves in the area of Lake Balaton and Kis-Balaton Wetland
Kulcsszavak:
avar lebontás, fűz, nyárAbsztrakt
A vízbe kerülő avar bomlása nagymértékben meghatározza az anyagforgalmi folyamatok alakulását, így annak vizsgálata kiemelt fontosságú. Kísérletünkben célul tűztük ki meghatározni fűz és nyár avar lebontási ütemét egy téli és egy nyári időszakban, makrogerinctelen szervezetek jelenlétében és azok hiányában, a Balaton és a Kis-Balaton területén. Ehhez a szakirodalomban is alkalmazott avarzsákos módszert alkalmaztuk, kis és nagy lyukbőségű zsákokkal. Meghatároztuk a bomlási ütemét, illetve a víz kémiai tulajdonságait (pH, vezetőképesség, NH4+, NO3-, SO42-, PO43-, Cl-). A nyári időszakban az avar bomlása lényegesen gyorsabb ütemben történt, mint télen. A két víztest esetében elmondható, hogy az avar gyorsabban bomlott a Balatonban, mint a Kis-Balatonban. A vízkémiai változók tekintetében megállapítható, hogy nincs szignifikáns különbség sem a víztestek, sem a mintavételi helyek között.
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