environmental impact assessment of irrigation and drainage projects pdf Sunday, May 16, 2021 11:32:51 AM

Environmental Impact Assessment Of Irrigation And Drainage Projects Pdf

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The environmental impacts of irrigation relate to the changes in quantity and quality of soil and water as a result of irrigation and the effects on natural and social conditions in river basins and downstream of an irrigation scheme. The impacts stem from the altered hydrological conditions caused by the installation and operation of the irrigation scheme.

Irrigation and drainage projects invariably result in many far-reaching environmental and socio-economic changes. Some of these benefit human population, while others threaten the long- term productivity of the irrigation and drainage projects themselves as well as the natural resource base. Negative changes are not limited to increasing pollution or loss of habitat for native plants and animals; they cover the entire range of environmental components, such as soil, water, air, energy, and the socio-economic system. Irrigation makes possible the expansion and intensification of agriculture. Yet, without appropriate management, irrigation development can have significant negative environmental impacts.

Environmental Impact Assessment of Irrigation and Drainage Projects

Dougherty and A. It is now generally accepted that economic development strategies must be compatible with environmental goals. This requires the incorporation of environmental dimensions into the process of development. It is important to make choices and decisions that will eventually promote sound development by understanding the environment functions. The United Nations Conference on Environment and Development UNCED in its Agenda 21, Chapter Protection of the Quality and Supply of Freshwater, underscored the importance of environmental protection and conservation of the natural resource base in the context of water resources development for agriculture and rural development. Much of the land currently under agriculture is deteriorating due to inappropriate planning, implementation and management.

The environmental impacts of irrigation relate to the changes in quantity and quality of soil and water as a result of irrigation and the effects on natural and social conditions in river basins and downstream of an irrigation scheme. Dougherty, T. Environmental impact assessment of irrigation and drainage projects. The profitability of irrigation and drainage in humid areas depends on seasonal rainfall, adequate economic returns from crops, and irrigation and drainage expenses. To boost profit-. The environmental impact of agriculture involves a variety of factors from the soil, to water, the air, animal and soil variety, people, plants, and the food itself.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying or otherwise, without the prior permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Publications Division, Food and Agriculture Organization of the United Nations, Viale delle Terme di Caracalla, Rome, Italy. FAO PrefaceThe importance of environmental protection and conservation measures has been increasingly recognized during the past two decades. It is now generally accepted that economic development strategies must be compatible with environmental goals.

Environmental impact of irrigation

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Environmental impacts assessment may be some measures to offset the impact to an acceptable level or explore new solutions. The research was conducted with the aim of assessing the socio-economic, cultural, physical and ecological impacts of Kavar irrigation and drainage network in Fars Province Iran. The ICOLD matrix is one of the flexible methods that converted qualitative data into quantitative data. In this method, the effect of the project activities on the environmental components were assessed in two stages; project construction and operation based on physical, ecological, socio-economic and cultural aspects. The findings indicated that positive effects will be generally exerted on the region environment by establishing and operating irrigation and drainage network in Kavar plain.

Environmental Impacts of Small Scale irrigation schemes

No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying or otherwise, without the prior permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Publications Division, Food and Agriculture Organization of the United Nations, Viale delle Terme di Caracalla, Rome, Italy. FAO PrefaceThe importance of environmental protection and conservation measures has been increasingly recognized during the past two decades.

The human health threats posed by irrigation development have made it necessary to understand the consequences of local environmental changes on the economic and social well-being of people. Local environmental changes and the human health risks associated with them are commonly attributed to the improper understanding of the complex processes involved in the construction of irrigation systems. In this respect, while it is necessary to recognize that the environmental and health problems associated with irrigated agriculture constitute an unnecessary evil, such schemes have often been constructed not without good intentions. Such intentions include the interest of societal welfare at large, bearing in mind that the negative consequences could either be avoided or minimised by introducing appropriate corrective measures.

Сьюзан сочла его план безукоризненным. Вот он - истинный Стратмор.

А потом этот парень умер. - А вы пробовали сделать ему искусственное дыхание? - предположил Беккер. - Нет. Мы к нему не прикасались.

Environmental impact assessment of irrigation and drainage projects

Беккер не удостоил его ответом. - На самом деле я его не продала, - сказала Росио.

3 Comments

Newchungiggpart 21.05.2021 at 10:09

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Demi H. 21.05.2021 at 13:51

FAO has, for quite some time now, been emphasizing the environmental impacts of irrigation and drainage projects, and provided technical assistance to a number.

Carles P. 21.05.2021 at 20:49

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