Biologia Futura: integrating freshwater ecosystem health in water resources management

Bogardi, Janos J., Leentvaar, Jan and Sebesvari, Zita, (2020). Biologia Futura: integrating freshwater ecosystem health in water resources management. Biologia Futura, n/a-n/a

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    Author Bogardi, Janos J.
    Leentvaar, Jan
    Sebesvari, Zita
    Title Biologia Futura: integrating freshwater ecosystem health in water resources management
    Appearing in Biologia Futura
    Publication Date 2020-07-20
    Place of Publication Cham
    Publisher Springer Nature Switzerland AG
    Start page n/a
    End page n/a
    Language eng
    Abstract Sustainable water use implies the simultaneous protection of water quality and quantity. Beyond their function to support human needs such as drinking water provision, transportation and recreation freshwater bodies are also habitats. Conceiving them as water users on their own with respective biological, physico-chemical and morphological requirements could help maintaining their healthy state. Healthy freshwater ecosystems are also attractive for high-value human uses. Dwindling per capita availability of water, increasing demands, human well-being and climate change lead to competition for, and pressures on freshwater ecosystems. This has been conceptualized through the modification of the drivers–pressures–state–impacts–responses framework. This distinguishes between pressures, associated with the achievement of human well-being, and stressors, which are defined as the negative effect of excessive pressures or combination thereof on aquatic ecosystems. Guidelines usually specify threshold values to classify water bodies as appropriate for certain utilitarian uses. However, only few guidelines focus on freshwater ecosystem health. Eight guidelines for monitoring of freshwater ecosystem health were analysed in the UNEP-funded project “International Water Quality Guidelines for Ecosystems”. Based on this review, general benchmark values are proposed for key physico-chemical indicators. Furthermore, adaptive pathways towards improved monitoring and protection of the health of freshwater ecosystems are recommended. In this paper, we review the main findings of the report and also review its recent uptake. Water quality guidelines for freshwater ecosystems cannot be conceived without societal consensus and vision. Different climatic, geographical and socioeconomic contexts are to be considered too. Their development is embedded in an adaptive cycle. Its multiple phases and steps indicate a long-term approach including reassessment and potential revisions.
    Keyword Water challenges
    Stressors of freshwater bodies
    Modified DPSIR
    Water quality guidelines and benchmarks
    Copyright Holder The Authors
    Copyright Year 2020
    Copyright type Creative commons
    DOI 10.1007/s42977-020-00031-7
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    Created: Mon, 07 Sep 2020, 20:15:07 JST by Austin Gonzales on behalf of UNU EHS