{"title":"On positive externalities from irrigated agriculture and their policy implications: An overview","authors":"Fabiana Natali, G. Branca","doi":"10.3280/ecag2-2020oa10412","DOIUrl":null,"url":null,"abstract":"Water has important economic values, mainly in the agricultural sector. Beside enhancing agricultural output and crop diversification, irrigation generates positive externalities which have been little emphasized by the literature. The purpose of this review is to investigate the direct, indirect and potentialbenefits of water use in agriculture by taking an additional step towards the identification and economic evaluation of the observed positive, social, environmental and ecological effects of irrigation. Five categories of contributions are examined: irrigation returns flows for groundwater recharge; biodiversityand wildlife habitat; landscape aesthetic and cultural values; nutrient recycling and retention; and improved health, nutritionand living conditions. Knowing the economic value of such positive externalities would help to get the right policy incentives for better water use and increased water savings in a context of growing water scarcity.","PeriodicalId":37333,"journal":{"name":"Economia Agro-Alimentare","volume":"50 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Economia Agro-Alimentare","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3280/ecag2-2020oa10412","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Social Sciences","Score":null,"Total":0}
引用次数: 1
Abstract
Water has important economic values, mainly in the agricultural sector. Beside enhancing agricultural output and crop diversification, irrigation generates positive externalities which have been little emphasized by the literature. The purpose of this review is to investigate the direct, indirect and potentialbenefits of water use in agriculture by taking an additional step towards the identification and economic evaluation of the observed positive, social, environmental and ecological effects of irrigation. Five categories of contributions are examined: irrigation returns flows for groundwater recharge; biodiversityand wildlife habitat; landscape aesthetic and cultural values; nutrient recycling and retention; and improved health, nutritionand living conditions. Knowing the economic value of such positive externalities would help to get the right policy incentives for better water use and increased water savings in a context of growing water scarcity.
期刊介绍：
Economia agro-alimentare/Food Economy is a triannual peer-reviewed scientific journal published by Franco Angeli Edizioni on behalf of the Italian Society of Agri-food Economics (SIEA), founded in 1996 by the then President of SIEA Fausto Cantarelli. It offers an international forum for the discussion and analysis of mono and interdisciplinary socio-economic, political, legal and technical issues, related to agricultural and food systems. It welcomes submissions of original papers focusing on agriculture, food, natural resources, safety, nutrition and health, including all processes and infrastructure involved in providing food to populations; as well as the processes, inputs and outputs involved in consumption and disposal of food and food-related items. Analyses also include social, political, economic and environmental contexts and human resource challenges. Submissions should be addressed to an international audience of researchers, practitioners, and policy makers, and they may consider local, national, or global scales.
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