GANGGUAN HUMUS HUTAN DI TAHURA YANG BERBATASAN DENGAN LAHAN PERTANIAN MASYARAKAT, DESA DOLAT RAYAT KABUPATEN KARO
ABSTRACT: The forest is seen
as an ecosystem, because forest is formed or composed by many components, each
component can not stand on its own, can not be separated, even interplay and
interdependence. One component forests have an important role to the
availability of nutrient cycling in the forest is humus. Humus is part of the
composition of the forest has its own function in maintaining the balance of
nature. Without humus, then the forest will lose its function in maintaining
the stability of the hydrological cycle and soil nutrient cycling. Accordingly,
this research aims to detect differences in the thickness of humus at a
distance of 0-500 m of agricultural land
society, to determine the distance to the forest by forest communities Dolat
Rayat villages, districts of Karo, and determine the impact of forest humus decision
on vegetation For seedling and saplings.
This research showed that the availability (thickness) humus in Forest
Park (TAHURA) bordering agricultural land within the community is varied from
0-500 m and impaired. Withdrawal of forest humus reaches a distance of 250 m,
and humus began to stabilize in thickness at a distance of 350 m into the forest. Withdrawal of humus
also affects the amount and type of vegetation growing in the forest so that
species diversity of an area to be low. In areas that do not damage the forest
and humus disturbance to the number of individuals, and higher species
diversity.
Penulis: Bangun Sikettang,
Budi Utomo, Afifuddin Dalimunthe
Kode Jurnal: jpkehutanandd150249
