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http://dx.doi.org/10.5532/KJAFM.2013.15.3.153

A Study on Ecological Niche of Pinus densiflora Forests according to the Environmental Factors  

Seo, Dong-Jin (Department of Forest Genetic Resources, Korea Forest Research Institute)
Oh, Chang-Young (Department of Forest Genetic Resources, Korea Forest Research Institute)
Woo, Kwan-Soo (Division of Research Planning and Coordination, Korea Forest Research Institute)
Lee, Jae-Cheon (Department of Forest Genetic Resources, Korea Forest Research Institute)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.15, no.3, 2013 , pp. 153-160 More about this Journal
Abstract
This study was conducted to investigate the effect of ecological factors affecting Pinus densiflora forest distribution associated with climate change in the future. Ecological niche is used as a method to quantify the position occupied in biological communities, space, influence and all ecological factors. Ecological niche breadth was analyzed on meteorological and growth factors of P. densiflora. Nine sites (i.e., Gangneung, Jeongseon, Pyeongchang, Hamyang, Bonghwa, Yeongyang, Uljin, Uiseong and Boseong) were selected to set $20m{\times}20m$ quadrat from September to October 2010. The height, DBH, clearlength, crown width and basal area were measured at each quadrat and used as growth factors. In addition, the measured values from the closest weather stations of each survey area of the maximum, mean and minimum temperature, humidity and precipitation were used as meteorological factors. The ecological niche breadth of the five meteorological factors except humidity was low. It is considered that precipitation could effect on the distribution of P. densiflora forest. In particular, maximum temperature showed low ecological niche breadth less than 0.4 in most of the survey areas. However, the ecological niche breadth of the five growth factors was high in all survey areas.
Keywords
Climate change; Pinus densiflora; Ecological niche breadth; Niche overlap index; Environmental factors;
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Times Cited By KSCI : 3  (Citation Analysis)
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