INVESTIGATION OF EFFECTS OF SELECTION METHOD ON QUANTITY AND QUALITY OF SNAGS IN NORTHERN FORESTS OF IRAN (CASE STUDY: NAV ASALEM WATERSHED, DISTRICT 1)

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TAVANKAR F.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2012 | Volume:3 | Issue:1 Page(s): 1-13

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Title

INVESTIGATION OF EFFECTS OF SELECTION METHOD ON QUANTITY AND QUALITY OF SNAGS IN NORTHERN FORESTS OF IRAN (CASE STUDY: NAV ASALEM WATERSHED, DISTRICT 1)

Author(s)

TAVANKAR F. | Issue Writer Certificate

Keywords

SNAGQ2

SELECTION METHODQ2

UNEVEN AGED STANDQ2

DECAYQ2

CAVITIESQ2

BIODIVERSITYQ2

Abstract

SNAGs are the main component of forest ecosystems and have important role in sustainability of natural forests. In this research effect of SELECTION METHOD on quantity (number, diameter, height and volume) and quality (species, DECAY intensity, number and position of CAVITIES) of SNAGs (standing dead trees) were studied in district 1 from Nav Asalem forest in Guilan province. For this reason two parcels (logged and unlogged) were selected and systematic sampling design was used to collection of data. The results showed the size (diameter, height and volume) and frequency (number and volume per hectare) of SNAGs in the logged parcel were lower than unlogged parcel (P<0.01). Ratio of SNAGs volume to stand volume in logged and unlogged parcels were 1.31±0.23 and 4.1±1.16 percent (P<0.01). The SNAGs were compounded more number of species, DECAY intensity and number of CAVITIES in logged parcel. The height of CAVITIES from ground level was higher in logged parcel than unlogged parcel. Increasing rotation length and remaining different species of live large trees can be positive influence on BIODIVERSITY and sustainability in these forests.

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APA: Copy

TAVANKAR, F.. (2012). INVESTIGATION OF EFFECTS OF SELECTION METHOD ON QUANTITY AND QUALITY OF SNAGS IN NORTHERN FORESTS OF IRAN (CASE STUDY: NAV ASALEM WATERSHED, DISTRICT 1). NATURAL ECOSYSTEMS OF IRAN, 3(1), 1-13. SID. https://sid.ir/paper/215137/en

Vancouver: Copy

TAVANKAR F.. INVESTIGATION OF EFFECTS OF SELECTION METHOD ON QUANTITY AND QUALITY OF SNAGS IN NORTHERN FORESTS OF IRAN (CASE STUDY: NAV ASALEM WATERSHED, DISTRICT 1). NATURAL ECOSYSTEMS OF IRAN[Internet]. 2012;3(1):1-13. Available from: https://sid.ir/paper/215137/en

IEEE: Copy

F. TAVANKAR, “INVESTIGATION OF EFFECTS OF SELECTION METHOD ON QUANTITY AND QUALITY OF SNAGS IN NORTHERN FORESTS OF IRAN (CASE STUDY: NAV ASALEM WATERSHED, DISTRICT 1),” NATURAL ECOSYSTEMS OF IRAN, vol. 3, no. 1, pp. 1–13, 2012, [Online]. Available: https://sid.ir/paper/215137/en

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