VEGETATION COMPOSITION OF TWO RANGELANDS AND ADJACENT CULTIVATED LANDS IN A PART OF SUB BASIN FIROZABAD TANGAB DAM AT FARS PROVINCE

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ELOUN H.; GHORBANI J.; SHOKRI M.; JAFARYAN Z.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Rangeland Year:2008 | Volume:1 | Issue:4 Page(s): 370-385

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Title

VEGETATION COMPOSITION OF TWO RANGELANDS AND ADJACENT CULTIVATED LANDS IN A PART OF SUB BASIN FIROZABAD TANGAB DAM AT FARS PROVINCE

Author(s)

ELOUN H. | GHORBANI J. | SHOKRI M. | JAFARYAN Z. | Issue Writer Certificate

Keywords

LAND USE CHANGEQ2

RICHNESSQ2

DIVERSITYQ2

SPECIES COMPOSITIONQ3

RANGE LAND DEGRADATIONQ2

FIROUZABADQ3

FARS PROVINCEQ2

Abstract

Converting range lands to farm lands is one of the most important factors in RANGE LAND DEGRADATION. The aims of this study were to investigate the effects of this changing on composition and DIVERSITY of plant species in Tangab dam sub' basin rang lands in FIROUZABAD, FARS PROVINCE. Vegetative characteristics, included species presence and cover percentage, were investigated at two cultivated areas; long and short term cultivation areas in two types of vegetation; scrub and shrub land. Cover percentage of species was recorded in three cases; individually for each species, grouping (based on life forms, growth form and families) and total species. Results showed that some species occured in both cultivated and range land, whereas, some of them were specific for cultivated or range land. Cover Percentage of Boisseiera squarosa and Gunde/ia tournefortiiat scrub, and those of Scarolia Orientalis at shrub land areas showed a significant decrease in cultivated areas comparing with types of range lands. On the other hand, species of Carthamus oxyacantha and Scaro/ia orienta/is at scrub and species of Turgenia latifolia, Achillea wilhelmsii and Silene arabica at shrub land had significantly higher canopy at arable land. In both types, cover percentage of life span (annuals, perennials), life forms (forbs, shrubs and trees) in some important families (Leguminosae and Compositae) decreased, while it increased significantly some Leguminosae and Umbelliferae species at cultivated areas contiguous to the shrub lands. RICHNESS and DIVERSITY of species showed significant decrease in cultivated lands related to range land. Multivariate analysis showed that scrub, shrub land and cultivated lands were completely seperated in view point of vegetation. Result of this investigation showed that development of cultivating operations on range land ecosystems could be lead to plant composition changes and diminish the species DIVERSITY.

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APA: Copy

ELOUN, H., GHORBANI, J., SHOKRI, M., & JAFARYAN, Z.. (2008). VEGETATION COMPOSITION OF TWO RANGELANDS AND ADJACENT CULTIVATED LANDS IN A PART OF SUB BASIN FIROZABAD TANGAB DAM AT FARS PROVINCE. RANGELAND, 1(4), 370-385. SID. https://sid.ir/paper/136209/en

Vancouver: Copy

ELOUN H., GHORBANI J., SHOKRI M., JAFARYAN Z.. VEGETATION COMPOSITION OF TWO RANGELANDS AND ADJACENT CULTIVATED LANDS IN A PART OF SUB BASIN FIROZABAD TANGAB DAM AT FARS PROVINCE. RANGELAND[Internet]. 2008;1(4):370-385. Available from: https://sid.ir/paper/136209/en

IEEE: Copy

H. ELOUN, J. GHORBANI, M. SHOKRI, and Z. JAFARYAN, “VEGETATION COMPOSITION OF TWO RANGELANDS AND ADJACENT CULTIVATED LANDS IN A PART OF SUB BASIN FIROZABAD TANGAB DAM AT FARS PROVINCE,” RANGELAND, vol. 1, no. 4, pp. 370–385, 2008, [Online]. Available: https://sid.ir/paper/136209/en

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