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Differences between Environmental Impacts of Logging and Recreation in Mature Forest Ecosystems

Published online by Cambridge University Press:  24 August 2009

M.F. Makhdoum  and
N. Khorasani
M.F. Makhdoum
Affiliation:
Assistant Professor and Head, Department of Environment & Aquatics, Faculty of Natural Resources, University of Tehran, Karadj, Iran
N. Khorasani
Affiliation:
Assistant Professor, Department of Environment & Aquatics, Faculty of Natural Resources, University of Tehran, Karadj, Iran.
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Extract

In order to be able to recommend the most compatible land-uses for adoption in a multiple land-use system, in terms of the resultant impacts on soils and vegetation in mature ecosystems, the impact of logging operations and recreation in the Caspian region of Iran was studied. Four forest communities were selected and, with an analytical approach, the bulk density, percentage of plant cover, number of individual plants, plant height, and the number of plant species encountered, in 36 sample plots (20 × 1 m) located on various slopes and aspects, and used for logging or recreation at different intensities (unused, transitional, used), were recorded.

The effectiveness of data, in terms of demonstrating the statistically significant differences, was tested by the method described in Conquest (1983). T-statistics for two means were used to discern statistical differences.

The results of the study indicate that the effect of logging is greater than that of recreation on soil bulk density, whereas the effect of recreation is greater on plants than that of logging. Aspect has no effect on the resultant impact, but steep slopes are more susceptible than gentle ones. With increases in altitude, the degree of impact decreases. Ecosystems having loamy clay soils and a greater proportion of monocotyledonous than dicotyledonous species, located on gentle slopes at the higher altitudes investigated, tend to resist the impacts of both logging and recreation best.

Type
Main Papers
Information
Environmental Conservation , Volume 15 , Issue 2 , Summer 1988 , pp. 137 - 142
Copyright
Copyright © Foundation for Environmental Conservation 1988

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