Paper Information

Journal:   JOURNAL OF SCIENCES AND TECHNIQUES IN NATURAL RESOURCES   SPRING 2010 , Volume 5 , Number 1; Page(s) 29 To 38.
 
Paper: 

ASSESSMENT OF PLANT SPECIES DIVERSITY IN ECOLOGICAL GROUPS OF AGHUZCHAL FOREST (CASE STUDY: PARCEL 7, SERIES 3, WATERSHED DISTRICTS 46 KOJOUR)

 
 
Author(s):  KIA LASHAKI A.*, SHAABANI S.
 
* FACULTY OF NATURAL RESOURCES, IAU OF NOWSHAHR BRANCH
 
Abstract: 

To investigate ecosystem variety and related physiographic factors (elevation, aspect and slope), 75 ha of Aghuzchal forest were studied. Vegetation data and information (trees, shrubs, and herbs) were collected from 40 sample plots through systematic random sampling method (20m´20m) which were then analyzed using TWINSPAN program. The data were classified into four ecological groups. The ecological groups consist of: first unit (Fagus orientalis L, and Epimedium pinnatum F.), second unit (Alnus subcordata L, Acer cappadocicum B. and Lamium album L.), third unit (Acer cappadocicum B. and Tamus communis L.), and forth unit (Tilia begonifolia Stev. and Carex acuiformis L.). Using analysis of variance, statistical difference between diversity indices with respect to ecological groups was found. Results showed that the highest Simpson and Margalef are related to units B and C. The highest Camargo indices are related to units A and D.

 
Keyword(s): BIODIVERSITY, AGHOUZCHAL FOREST, PHYSIOGRAPHIC FACTORS, ECOLOGICAL GROUPS, WATERSHED DISTRICT 46 KOJOUR
 
References: 
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