Water Footprint of Forest and Orchard Trees: A Review

The measurement of water consumption by trees is fundamental for detecting potential opportunities to mitigate water resource depletion. The water footprint (WF) is a tool to address the environmental effects related to water use, identifying ways to reduce overall water consumption. This work prese...

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Main Authors: Rosa Gemma Raluy, Paula Quinteiro, Ana Cláudia Dias
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/14/17/2709
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author Rosa Gemma Raluy
Paula Quinteiro
Ana Cláudia Dias
author_facet Rosa Gemma Raluy
Paula Quinteiro
Ana Cláudia Dias
author_sort Rosa Gemma Raluy
collection DOAJ
description The measurement of water consumption by trees is fundamental for detecting potential opportunities to mitigate water resource depletion. The water footprint (WF) is a tool to address the environmental effects related to water use, identifying ways to reduce overall water consumption. This work presents a review, updating the information on how WF is being addressed when applied to forest and orchard trees, identifying the methodological trends of the WF studies, and highlighting the main challenges that deserve further research for a consistent WF assessment of these trees. A sample with 43 publications selected based on keyword screening criteria was comprehensively reviewed, showing that most of the studies focus on orchard trees (mainly olive and citrus trees). The bulk of the studies only presented accounting or inventory results (i.e., water volumes consumed) and disregarded their sustainability or impact. This review highlights that a robust WF assessment of forest and orchard trees requires further research for harmonising the quantification of the green water scarcity footprint, and puts key challenges to the WF practitioners, such as the selection of the most adequate method to estimate ET considering trees specificities and climatic parameters, and the adoption of high spatial and temporal resolution for the WF assessment.
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spelling doaj.art-d23168ee40304e688bcf6a2e98b4d6162023-11-23T14:27:00ZengMDPI AGWater2073-44412022-08-011417270910.3390/w14172709Water Footprint of Forest and Orchard Trees: A ReviewRosa Gemma Raluy0Paula Quinteiro1Ana Cláudia Dias2Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, PortugalCentre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, PortugalCentre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, PortugalThe measurement of water consumption by trees is fundamental for detecting potential opportunities to mitigate water resource depletion. The water footprint (WF) is a tool to address the environmental effects related to water use, identifying ways to reduce overall water consumption. This work presents a review, updating the information on how WF is being addressed when applied to forest and orchard trees, identifying the methodological trends of the WF studies, and highlighting the main challenges that deserve further research for a consistent WF assessment of these trees. A sample with 43 publications selected based on keyword screening criteria was comprehensively reviewed, showing that most of the studies focus on orchard trees (mainly olive and citrus trees). The bulk of the studies only presented accounting or inventory results (i.e., water volumes consumed) and disregarded their sustainability or impact. This review highlights that a robust WF assessment of forest and orchard trees requires further research for harmonising the quantification of the green water scarcity footprint, and puts key challenges to the WF practitioners, such as the selection of the most adequate method to estimate ET considering trees specificities and climatic parameters, and the adoption of high spatial and temporal resolution for the WF assessment.https://www.mdpi.com/2073-4441/14/17/2709life cycle assessmentwater consumptionwater nexuswater scarcitysustainability
spellingShingle Rosa Gemma Raluy
Paula Quinteiro
Ana Cláudia Dias
Water Footprint of Forest and Orchard Trees: A Review
Water
life cycle assessment
water consumption
water nexus
water scarcity
sustainability
title Water Footprint of Forest and Orchard Trees: A Review
title_full Water Footprint of Forest and Orchard Trees: A Review
title_fullStr Water Footprint of Forest and Orchard Trees: A Review
title_full_unstemmed Water Footprint of Forest and Orchard Trees: A Review
title_short Water Footprint of Forest and Orchard Trees: A Review
title_sort water footprint of forest and orchard trees a review
topic life cycle assessment
water consumption
water nexus
water scarcity
sustainability
url https://www.mdpi.com/2073-4441/14/17/2709
work_keys_str_mv AT rosagemmaraluy waterfootprintofforestandorchardtreesareview
AT paulaquinteiro waterfootprintofforestandorchardtreesareview
AT anaclaudiadias waterfootprintofforestandorchardtreesareview