The relationships between environmental and disturbance factors in temperate deciduous forest ecosystem (Amasya/Turkey)

Yıl 2021, , 44 - 50, 15.05.2021

Dudu Duygu Kılıç , Burak Sürmen , Hamdi Güray Kutbay

https://doi.org/10.30616/ajb.873328

Öz

Deciduous forests face many disturbance factors. Grazing and cutting are the leading factors in this disturbance.The study area's vegetation was analyzed using numerical methods to identify plant communities and determine the relationship between environmental gradients and disturbance factors. The species diversity was calculated using alpha and beta diversity indexes. As a result, four different communities were identified in the study area. One of the communities was under grazing pressure while the other community was under cutting pressure. No disturbance factors were found in the remaining two communities. Elevation and soil moisture were found to be important in the distribution of plant communities. pH, soil moisture, soil % N content and canopy factors were found to be important. The highest Shannon-Wienner diversity index values were found in non-cutting and non-grazing forest communities. The lowest Shannon-Wienner diversity index values were found in grazing and cutting forest communities. Unlike the Shannon-Wienner diversity index, the highest beta index values were found in grazing and cutting forest communities. The lowest beta index values were found in non-cutting and non-grazing forest communities.

Anahtar Kelimeler

Plant ecology, plant diversity, numerical method

Kaynakça

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