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 Nutrient Values of species Zygophyllum eurypterum, Salsola orientalis and Sanguisorba minor in Darila, Khashou and DashteGazal rangeland, Gachsaran County

vahid karimian; Mohsen Farzin

Volume 77, Issue 1 , April 2024, , Pages 51-63


  In this research, the nutrient value of Zygophyllum eurypterum, Salsola orientalis, and Sanguisorba minor during different growing periods in the winter rangelands of Gachsaran County was considered. For this purpose, sampling was done randomly and with 4 repetitions from the species in different periods ...  Read More

Effect of Temporal Succession of Biological Restoration on Desert Rangeland (Case Study; Khaf Rangelands, Khorasan Razavi Province)

Jahanbakhsh Teymuri Majnabadi; Parvin Ramak; vahid karimian

Volume 72, Issue 3 , December 2019, , Pages 657-664


  The present research aims to investigate the effect of temporal succession on the biological operation of planting Haloxylon persicum on the functional characteristics of rangelands in Khaf County. Three rangelands in which H. persicum planting operations were performed at different ages of 10, 20 and ...  Read More

Investigation of some habitat characteristics and forage quality of Citrullus colocynthis (case study: Sistan and Baluchestan orovience)

Morteza Saberi; vahid karimian; Hamid Niknahad Gharemakhar

Volume 72, Issue 3 , December 2019, , Pages 769-784


  Many regular visits were done to investigate the phenological stages of the plant in Zabol and Saravan habitats. Plant cover of the species was investigated by plot with 4 square meter along to 4 transect with 200 meters. To investigate their physicochemical properties of soil, soil sample were taken ...  Read More

Investigation of influence biological the operation on function of rangeland (Case study: Niatak range, Sistan)

Morteza Saberi; vahid karimian

Volume 71, Issue 4 , March 2019, , Pages 987-996


  The studies of functional features of patches of rangelands will help effectively in the detection the healthiness of arid and semi-arid rangelands, the improvement of soil conditions as well as the recognition of the effects of managerial and natural changes of rangelands. In order to investigate the ...  Read More

Comparing Ecological Functions of Northern and Southern landscapes of Darehkonari Khashab rangeland, Gachsaran County

Gholam Ali Heshmati; vahid karimian

Volume 69, Issue 3 , December 2016, , Pages 575-585


  To apply scientific and proper management of rangeland ecosystems, having information on health and functions indices of ecosystem is required. Using landscape function analysis, the present study deals with assessing and comparing of ecological indices in northern and southern landscapes, Darehkonari ...  Read More