Investigation of Vegetation and Land Use Changes in International Gomishan Wetlands Area

Document Type : Original Article

Authors

1 Sari Agricultural Science and Natural Resources University

2 Sari Agricultural Sciences and Natural Resources University

3 Gorgan Agricultural Sciences and Natural Resources University

Abstract

The objective of this study was to investigate the vegetation changes and land use in the international Gomishan wetland area in Golestan province during 1994-2016. For rangelands sampling, after determination of vegetation types, the sampling was done using 6 transects of 100 meters and 15 plots of 1 m2. The data were analyzed using SPSS 16 and t-test (paired). Landsat satellite TM data was used and the land use map of the area was prepared in two time period. The results of the land uses mapping showed that the amount of sea water around the wetland decreased from 1994 to 2016, while the use of the agricultural lands increased around the wetland. So that, 0.87% of the water area has fallen to other uses from1994 to 2016. Based on the information of land use changes in this period, the amount of rangelands and agricultural lands increased 1.62% and 1.08% in 2016 compared to 1994. Also, the comparison of the coverage of rangelands dominant plants showed that Halostachys caspica, Holocnemum strobilaceum, Lophochloa phleoidess, Frankenia hirsute and Salicornia herbacea in 2016 increased significantly with a 5% significant level compared to 1994.

Keywords

References

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Environmental Researches
Volume 10, Issue 19
September 2019
Pages 107-116

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