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Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   FALL 2017 , Volume 24 , Number 3 (68) #R00445; Page(s) 646 To 657.

Determining the quality of drinking water for grazing goats using fuzzy method

Author(s):  MAHMOUDI A.*, Mokarram M., ABEDI F.
* Department of Range and Watershed Management, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Iran
The quantity and quality of drinking water in rangelands are one of the important factors in determining rangeland suitability for livestock grazing. Improper water quality will have adverse effects on livestock health and productivity. This research was aimed to determine the quality of drinking water for livestock in the winter rangelands of Khalilabad. The map of drinking water quality for goats was produced using fuzzy method in GIS software. After sampling of livestock drinking places, TDS, EC, Mg2+ and Na+ were measured. Inverse Distance Weighting (IDW) was used to prepare the zoning map for each factor. The results of this zonation showed that drinking water quality in the region ranged between 2 to 84. 94 mg / l for sodium, 216. 03 to 875. 72 mg / l for Mg, 2016. 37 to 12597. 4 for EC, and 245. 59 – 5909. 19 mg / l for TDS. Fuzzy method was also used to homogenize the water quality zoning maps. The results showed that 71 % of area had a median drinking water quality for goats and 17% of the area had no quality for drinking water. Generally, the north and northwest of the region had good drinking water quality for goats.
Keyword(s): Water quality,goat,fuzzy method,Khalilabad
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