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Paper Information

Journal:   JOURNAL OF WETLAND ECOBIOLOGY   WINTER 2018 , Volume 9 , Number 34 #r00478; Page(s) 101 To 115.
 
Paper: 

Changes of Richness and density of Macroinvertebrates Fauna in Polour Region, Haraz River (Northern Iran) Affected by Trout Farm Wastewater

 
 
Author(s):  NADERI JOLODAR MEHDI, HEDAYATIFARD MASOUD*, NADERI SOMAYEH, bagherpoor hamidreza
 
* 
 
Abstract: 
Effects of Trout farming wastewater on richness and number of macroinvertebrates were done in Haraz River. Identification and surveying of surface water resources, specially Rivers and streams where are among of strategic resources is so important for optimal management. This study was conducted in Haraz River, Polour region (Mazandaran, Northern Iran) during spring and summer. First (as control) and next stations were selected in nearest distance before farm and 75m after that where output water toward River, respectively. Samples were collected using Surber sampler dimensioned 1fsq (about 30. 5 X 30. 5 cm2) and 360µ m net. Collected samples were fixed with 4% formalin, isolated, and then by sieving with a diameter of 500µ mesh and identified at a level of order and family using creditable keys. In present study 7 orders of Macrobenthoses were identified. Most effects found on 3 orders of Ephemeropterta, Terichoptera and Plecoptera that known as EPT as sensitive group which decreased and unlike, Chironomidae family were increased, which are resistant to pollution.
 
Keyword(s): Aquaculture,Waste water,Macroinvertebrates,Pollution
 
References: 
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