Study of soil seed bank in Baghe-Shadi Forest Reserve in Yazd province

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MADADI R.; TABANDEH SARAVI A.; KIANI B.

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Journal: Journal of Wood and Forest Science and Technology Year:2020 | Volume:27 | Issue:1 Page(s): 45-59

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Title

Study of soil seed bank in Baghe-Shadi Forest Reserve in Yazd province

Author(s)

MADADI R. | TABANDEH SARAVI A. | KIANI B. | Issue Writer Certificate

Keywords

Baghe-Shadi forest of YazdQ1

Index of biodiversityQ2

Protected and exclosure areasQ1

Soil seed bankQ2

Abstract

Background and Objectives: Assessment and evaluation of soil seed resources in an ecosystem provide valuable information about the status of plant composition in that ecosystem. The information obtained from these studies will lead to better understanding and recognition of vegetation cover conditions in that area. In this study, for the first time soil seed potential in the Baghe-Shadi protected area in Yazd province was studied. Materials and Methods: At first, two grazing and exclosure areas were selected in the Baghe-Shadi forest site of Yazd province with similar type. Then, in each area 20 circular plots were measured in a radius of 12 meters. Samples were taken from the Soil seed bank, up to 10 cm soil depth in two depths (0-5 and 5-10 cm) under the canopy and also outside the canopy in two growing seasons (spring and autumn). Density, composition and species richness of Soil seed bank samples were estimated by combined method (extraction of large seeds and germination of small seeds). Results: Soil depth showed significant effects on Soil seed bank. The effects of spring and autumn growing seasons were different on Soil seed bank and autumn season showed a higher rate than the spring in terms of number, density and numerical values of biodiversity indices. Also, according to the results, the number and density of seed bank under crown cover was higher than outside and the exclosure had no significant effect on Soil seed bank. The results of independent t-test showed that there is no significant difference between grazing and exclosure areas, but grazing area had higher seed numbers than the exclosure area. The results of analysis of variance showed that growing season and crown cover had significant effects on all studied parameters of the Soil seed bank. Also comparison of numerical biodiversity indices of Soil seed bank between grazing and exclosure areas showed that species richness, Simpson, Shannon-Wiener and Pielou evenness were significantly higher in autumn season than spring and below the crown cover than the outside. Conclusion: The area under grazing produces enough seed of different species, but the seedlings are likely destroyed by livestock after emergence. In fact, due to seed density and diversity of Soil seed bank it can be concluded that in this forests exclosure alone can guarantee forest regeneration. But, it seems that measures must be taken to fix the problems of Amygdalus scoparia droughts and pests, especially timber beetles.

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APA: Copy

MADADI, R., TABANDEH SARAVI, A., & KIANI, B.. (2020). Study of soil seed bank in Baghe-Shadi Forest Reserve in Yazd province. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, 27(1 ), 45-59. SID. https://sid.ir/paper/365436/en

Vancouver: Copy

MADADI R., TABANDEH SARAVI A., KIANI B.. Study of soil seed bank in Baghe-Shadi Forest Reserve in Yazd province. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY[Internet]. 2020;27(1 ):45-59. Available from: https://sid.ir/paper/365436/en

IEEE: Copy

R. MADADI, A. TABANDEH SARAVI, and B. KIANI, “Study of soil seed bank in Baghe-Shadi Forest Reserve in Yazd province,” JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, vol. 27, no. 1 , pp. 45–59, 2020, [Online]. Available: https://sid.ir/paper/365436/en

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