Volume 77 (2024)
Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Evaluation of the effect of seed washing with sulfuric acid and irrigation with salt water on seed germination of Zygophyllum fabago L.

Esmaeil Sheidai Karkaj; Esfandiar Jahantab; Zahra Mahmoodi

Volume 73, Issue 4 , March 2021, , Pages 802-815


  Plant growth and yield in the environment is affected by numerous biotic and abiotic environmental stresses as well as seed dormancy. The aim of the present study was to investigate the effect of seed washing treatments with sulfuric acid and irrigation of seeds with saline water on seed germination ...  Read More

weqRelationship between carbon storage of Astragalus brachyanus species with plant characteristics, habitat characteristics and rangeland management, Rajan, West Azerbaijan

Javad Motamedi; Shookofeh Ebrahimi; Esmaeil Sheidai Karkaj

Volume 73, Issue 2 , September 2020, , Pages 423-438


  Estimation of carbon storage is one of the essential requirements for evaluating rangeland ecosystem services and economic evaluation of carbon storage in rangeland plans. Plant performance in carbon storage is a function of plant characteristics, environmental and management factors. Therefore, the ...  Read More

Rangeland management plans and rangeland health (Case Study: Rangelands of Torbat-e-Heydarieh)

Ali Norouzi; iman haghiyan; Esmaeil Sheidai Karkaj

Volume 72, Issue 4 , March 2020, , Pages 1131-1145


  Rangelands as a source of meat, forage, water and soil play a significant role in the country's economy, but the increase in the number of livestock and livestock in the rangelands has eliminated the balance between production and harvest. In this research, the effect of rangeland projects on various ...  Read More

The effect of fire on some characteristics of rangeland ecosystem in the Southern part of Golestan National Park, Iran

Esmaeil Sheidai Karkaj; isa jafari; roghayeh jahdi

Volume 72, Issue 3 , December 2019, , Pages 755-767


  Fires are one of the most important factors affecting natural ecosystems. This study was done in order to investigate the effects of fire on soil chemical properties, soil seed bank and vegetation cover in Yeke Bermagh, Highland ranegelands in the southern part of Golestan National Park. After determination ...  Read More