Impact of Intensification of Agropastoral Activities on the Water Quality of Lake Fitri

Mikail A, Karar M, Tidjani A, Brahim B.O., Laleye. P and Mahonte S

International Journal of Sciences, 2018, vol. 7, issue 01, 66-73

Abstract: This study was carried out from December 1st, 2015 to December 31, 2016 with the aim of evaluating the effects of agricultural and pastoral activities on water quality of lake Fitri and its impact on fish. For this, monthly measurements of physicochemical parameters were done in the North-eastern edges and at the center of the lake. Fitri. The principal activities in the neighborhoods of Lake Fitri are agriculture, animal breeding, fishing and plant exploitation. The exploitation of these resources, has increased in recent times due to an increase in population. The pressure exerted by this population, hinders the development of aquatic organisms.To batter evaluate this impact, fish were captured and their weight and size measured in situ alongside other Surveys. It was noted that, physicochemical parameters oscillate around the following values: pH between 7.46 and 8.86 C.U, temperature between 15 and 25oC, conductivity between 108.5 and 184,1 µS/cm, TDS between 0,165 mg/l and 0,278 mg/, dissolved oxygen between 9,9 and 51,8 mg/l, turbidity between 271 and 439 NTU and water transparency between 14 and 15 cm. These results are in accordance with the norms of UE, USA and JECFA FAO/OMS on water used in fish culture except for turbidity and water transparency. Based on other investigations done by various researchers, the results indicate the existence organic pollution from domestic waste and the proliferation of animal manure which can greatly influence water quality (use of pesticides).

Keywords: Lake Fitri; Agricultural Activities; Water Quality; Pesticides; Physicochemical Parameters; Fish (search for similar items in EconPapers)
Date: 2018
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DOI: 10.18483/ijSci.1511

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