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Investigation of Sampling Method Application with Fixed Plot in Sampling of Coppice Forests (Case Study: Oak Coppice Forests in Central Zagros)

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Author(s): H. Naghavi | A. Fallah | H. Jalilvand | J. Soosani | Y. Kooch

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 9;
Issue: 5;
Start page: 997;
Date: 2009;
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Keywords: Lorestan | oak | coppice | Sampling

ABSTRACT
The aim of this research was investigation of sampling method application with fixed plot in sampling of Zagros coppice forests (West of Iran). Zagros forests confronted with much damage before. These damages had due to destroying areas of forests and retrogradation formed in the other areas. Structure of these forests changed because of last years damages and coppice forests were formed, finally. Collection of appropriate qualitative and quantitative information is necessary for principle management and programming. An inventory network with 200x400 m dimension designed in study area for this research. Then, numbers of 40 witness plots with 1 ha area were produced. Samplings were performed by circle form sample plots with 10 ARE area (1 ARE = 100 m2 area) and square form sample plots with 15, 20, 30, 40 and 50 ARE areas within mentioned 1 ha plots. The obtained results of sampling different methods for estimation number of group coppice per hectare and crown covering were compared with results of witness plots. Analysis of Variance (ANOVA), compare means test (LSD) at p
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