THE ENVIRONMENTAL POLLUTION IN QAROON LAKE AND ITS ECONOMIC IMPACT ON FISH PRODUCTION

Document Type : Research articles.

Authors

1 Researcher, Agricultural Economics Research Institute

2 Senior Researcher, Agricultural Economics Research Institute

3 Executive engineer, Fayoum General Authority for Fish Resources Development

Abstract

The proble of the study can be summarized in the pollution of Qaroon lake
through factories and agricultural drainage in the lake, which affect water quality
and consequently affect the quantity and the quality of the produced fish.
The research aimed at studying the following:
- The progress of fish production of the lake through the period (2000-2013) for
the various types of fish.
- The evolution of lake water analysis in the same period.
- The impact of water quality on the fish production through conducting meetings
on the field level in Qaroon lake; (the meetings included various age categories).
The meetings showed the awareness of the civil society of the problems and they
suggested some solutions about sources of pollution, fishing methods and the
prices and selling methods of various fish varieties.
The main results were as followed:-
- All elements in water samples increased through the study period which reflects
the continuous drainage with various pollutants in addition to increasing of
biological pollution ratio.
- Intensive fishing using unequal nets is the main method of fishing used in the
lake, which affect negatively the growth of fish in the lake.
- The research suggests a mechanism to conducts fees against lake drainage
pollution, also the research recommended the emphasis of governmental control
on the firms which drainage its wastes directly in the lake.

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