Determining the Anti-Erosion Efficiency of Forest Stands Installed on Degraded Land

Erosion caused by human activities is one of the reasons for forest soil degradation worldwide, with a direct impact on forest stands development, including reduced forest productivity. Therefore, in order to establish sustainable stand management practices, it is essential to assess soil losses in...

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Bibliographic Details
Published in:Sustainability 2022-11, Vol.14 (23), p.15727
Main Authors: Moldovan, Mircea, Tăut, Ioan, Rebrean, Florin Alexandru, Szilard, Bartha, Arion, Iulia Diana, Dîrja, Marcel
Format: Article
Language:English
Subjects:
Control
Deforestation
Environmental aspects
Environmental degradation
Forest management
Forest productivity
Forest soils
Forestry
Forests
Human influences
Methods
Plantations
Rainfall
Runoff
Seedlings
Soil conservation
Soil degradation
Soil erosion
Surface runoff
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Summary:Erosion caused by human activities is one of the reasons for forest soil degradation worldwide, with a direct impact on forest stands development, including reduced forest productivity. Therefore, in order to establish sustainable stand management practices, it is essential to assess soil losses in various forestry activities. Moreover, this phenomenon is studied little in stands, especially those established on degraded land. In Romanian geographical conditions, where sloping land is up to 67% of the territory and is influenced by natural factors as well as intense human activities, the soil and vegetation suffer serious ecological imbalances. In order to achieve the proposed objectives regarding the evaluation of stands in terms of anti-erosion effectiveness, we analyzed the consistency and the number of trees on the surface, the weight of the seedlings, and the surface runoff from the perspectives of rainfall and soil retention. In the two stands included in this study, the influence of rain intensity was 39% in compartment 49 and 38% in compartment 73, directly influencing surface runoff. The ground retention’s influence on surface runoff was 28% in both compartments. The indirect surface runoff was influenced by the consistency of the stands and by the degree of proximity of the crowns, which directly influenced the intensity of rain. In addition to analyzing these two parameters (rain intensity and ground retention), it was also observed that the degree of proximity to the crowns directly influenced the intensity of the rainfall within the forest, which, in turn, indirectly affected the runoff.
ISSN:2071-1050
2071-1050
DOI:10.3390/su142315727