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A Study on Nursing Role of Astragalus brachycalyx Fisch on the Soil Seed Bank under the Livestock Grazing in Summer Rangelands of Boyer Ahmad County

    Authors

    • Parviz Gholami 1
    • Mohammad Farzam 2
    • Nateq Lashkari sanami 3
    • Lale Amouzgar 4

    1 yasouj University

    2 Department of Range and Watershed Management, Ferdowsi University of Mashhad

    3 PhD Student in Range Management, Department of Range Management, Faculty of Natural Resources, Sari Agricultural Sciences and Natural Resources University

    4 Ph.D. Student in Range Management, Faculty of Natural Resources, Sari Agricultural Sciences and Natural Resources University

,

Document Type : Research Paper

10.22059/jrwm.2020.291141.1427
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Abstract

The study of soil seed bank provides vital information for rehabilitation and restoration of rangeland ecosystem. In the arid and semi-arid environments, shrub plants may cause accumulation of seed bank under their canopy, thereby protecting them against the livestock herbivory and the other environmental factors. This study was conducted with objective to investigate effect of Astragalus brachycalyx on composition of soil seeds bank, in two area of enclosure and under grazing. For this purpose, sampling of soil seed bank under the canopy of this species and its open space adjacent was measured using a flexible plot along the 100 meters transect. Soils were sampled from 0-5 and 5-10 cm depths. Then seed bank composition was identified after seed germination in glasshouse. The results showed that 16 species under the canopy of Astragalus brachycalyx and 12 plant species in the open space adjacent in enclosure area and 21 species under the canopy of Astragalus brachycalyx and 11 plant species in the open space adjacent in under grazing area. In the soil seed bank of an area under the livestock grazing and understory of Astragalus brachycalyx, the species namely Silene longipetala, Mentha longifolia, Veronica anagallis-aquatica and Anthemis odontostephana had the greatest numbers of seeds respectively. The area under livestock grazing had higher density of seed bank of plants with annual and perennial life, Therophytes and Hemicryptophytes biological forms, annual and perennial vegetative forms of forbs, and palatable classes II and III in understory compared to the open space.

Keywords

  • Livestock grazing
  • Nurse Plants
  • Composition species
  • Mechanical facilitating
  • Zagros
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Journal of Range and Watershed Managment
Volume 73, Issue 3
December 2020
Pages 541-553
Files
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  • PDF 1.41 M
History
  • Receive Date: 21 October 2019
  • Revise Date: 19 October 2020
  • Accept Date: 20 October 2020
  • First Publish Date: 21 November 2020
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How to cite
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  • BibTeX
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Statistics
  • Article View: 263
  • PDF Download: 158

APA

Gholami, P., Farzam, M., Lashkari sanami, N., & Amouzgar, L. (2020). A Study on Nursing Role of Astragalus brachycalyx Fisch on the Soil Seed Bank under the Livestock Grazing in Summer Rangelands of Boyer Ahmad County. Journal of Range and Watershed Managment, 73(3), 541-553. doi: 10.22059/jrwm.2020.291141.1427

MLA

Parviz Gholami; Mohammad Farzam; Nateq Lashkari sanami; Lale Amouzgar. "A Study on Nursing Role of Astragalus brachycalyx Fisch on the Soil Seed Bank under the Livestock Grazing in Summer Rangelands of Boyer Ahmad County". Journal of Range and Watershed Managment, 73, 3, 2020, 541-553. doi: 10.22059/jrwm.2020.291141.1427

HARVARD

Gholami, P., Farzam, M., Lashkari sanami, N., Amouzgar, L. (2020). 'A Study on Nursing Role of Astragalus brachycalyx Fisch on the Soil Seed Bank under the Livestock Grazing in Summer Rangelands of Boyer Ahmad County', Journal of Range and Watershed Managment, 73(3), pp. 541-553. doi: 10.22059/jrwm.2020.291141.1427

VANCOUVER

Gholami, P., Farzam, M., Lashkari sanami, N., Amouzgar, L. A Study on Nursing Role of Astragalus brachycalyx Fisch on the Soil Seed Bank under the Livestock Grazing in Summer Rangelands of Boyer Ahmad County. Journal of Range and Watershed Managment, 2020; 73(3): 541-553. doi: 10.22059/jrwm.2020.291141.1427

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