Study of preference value of range plants in Sirik region, Hormozgan province

Document Type : Research Paper

Authors

1 Hormozgan Agricultural and Natural Resources Research and Education Center, AREEO, Hormozgan, Iran

2 Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

Abstract

In order to investigate the preference value of plants, this study was conducted in Sirik rangeland in Hormozgan province. To determine the preferred value in this region, two methods of timing and production and consumption of plant species were used. The results of analysis of variance of the preferred value in both timing methods (using a video camera) and the operating percentage yielded the same results. Because in both methods, there was no statistically significant difference at the level of 5% between the years and months of the study and only a significant difference between species. In the chronological method, Sphaerocoma aucheri with statistically assigned the highest mean (29.8%) along with annuals with an average (28.9%) were placed in a class statistically, followed by Moltkiopsis ciliata and Cenchrus pennisetoformis 9.3 and 7.8, respectively. In the method of exploitation percentage, the highest exploitation percentage was Cenchrus pennisetoformis with 52.9%, although with Heliotropium bacciferum with 49.6%, Moltkiopsis ciliata with 45.8%, Sphaerocoma aucheri with 44.6% and Cyprus conglomeratus with 44.5% were in a group. In the Sirik region, Sphaerocoma aucheri was one of the high density and high consumption species and Cenchrus pennisetoformis was the low density and high consumption species. Sphaerocoma aucheri was in the first place in terms of preference value, but it should be noted that livestock tends to graze more than annuals at the beginning of the growing season and at the end of the growing season with drying or seeding of grasses, annuals are received less attention.

Keywords


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Volume 74, Issue 4
March 2022
Pages 731-746
  • Receive Date: 06 July 2021
  • Revise Date: 17 December 2021
  • Accept Date: 18 December 2021
  • First Publish Date: 20 February 2022