When trends intersect: The challenge of protecting freshwater ecosystems under multiple land use and hydrological intensification scenarios

Jenny Davis, A O'Grady, A Dale, Angela Arthington, Peter Gell, P Driver, Nick Bond, M Casanova, M Finlayson, Robyn Watts, Samantha Capon, I Nagelkerken, R Tingley, B Fry, T Page, Alison Specht

    Research output: Contribution to journalArticle

    45 Citations (Scopus)

    Abstract

    Intensification of the use of natural resources is a world-wide trend driven by the increasing demand for water, food, fibre, minerals and energy. These demands are the result of a rising world population, increasing wealth and greater global focus on economic growth. Land use intensification, together with climate change, is also driving intensification of the global hydrological cycle. Both processes will have major socio-economic and ecological implications for global water availability. In this paper we focus on the implications of land use intensification for the conservation and management of freshwater ecosystems using Australia as an example. We consider this in the light of intensification of the hydrologic cycle due to climate change, and associated hydrological scenarios that include the occurrence of more intense hydrological events (extreme storms, larger floods and longer droughts). We highlight the importance of managing water quality, the value of providing environmental flows within a watershed framework and the critical role that innovative science and adaptive management must play in developing proactive and robust responses to intensification. We also suggest research priorities to support improved systemic governance, including adaptation planning and management to maximise freshwater biodiversity outcomes while supporting the socio-economic objectives driving land use intensification. Further research priorities include: i) determining the relative contributions of surface water and groundwater in supporting freshwater ecosystems; ii) identifying and protecting freshwater biodiversity hotspots and refugia; iii) improving our capacity to model hydro-ecological relationships and predict ecological outcomes from land use intensification and climate change; iv) developing an understanding of long term ecosystem behaviour; and v) exploring systemic approaches to enhancing governance systems, including planning and management systems affecting freshwater outcomes. A major policy challenge will be the integration of land and water management, which increasingly are being considered within different policy frameworks.
    Original languageEnglish
    Pages (from-to)65-78
    Number of pages14
    JournalScience of the Total Environment
    Volume534
    DOIs
    Publication statusPublished - 2015

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    freshwater ecosystem
    Land use
    Ecosystems
    Climate change
    land use
    Biodiversity
    Economics
    climate change
    Mineral Fibers
    biodiversity
    Planning
    Water
    Drought
    adaptive management
    planning system
    Water management
    hydrological cycle
    Natural resources
    extreme event
    refugium

    Cite this

    Davis, Jenny ; O'Grady, A ; Dale, A ; Arthington, Angela ; Gell, Peter ; Driver, P ; Bond, Nick ; Casanova, M ; Finlayson, M ; Watts, Robyn ; Capon, Samantha ; Nagelkerken, I ; Tingley, R ; Fry, B ; Page, T ; Specht, Alison. / When trends intersect: The challenge of protecting freshwater ecosystems under multiple land use and hydrological intensification scenarios. In: Science of the Total Environment. 2015 ; Vol. 534. pp. 65-78.
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    abstract = "Intensification of the use of natural resources is a world-wide trend driven by the increasing demand for water, food, fibre, minerals and energy. These demands are the result of a rising world population, increasing wealth and greater global focus on economic growth. Land use intensification, together with climate change, is also driving intensification of the global hydrological cycle. Both processes will have major socio-economic and ecological implications for global water availability. In this paper we focus on the implications of land use intensification for the conservation and management of freshwater ecosystems using Australia as an example. We consider this in the light of intensification of the hydrologic cycle due to climate change, and associated hydrological scenarios that include the occurrence of more intense hydrological events (extreme storms, larger floods and longer droughts). We highlight the importance of managing water quality, the value of providing environmental flows within a watershed framework and the critical role that innovative science and adaptive management must play in developing proactive and robust responses to intensification. We also suggest research priorities to support improved systemic governance, including adaptation planning and management to maximise freshwater biodiversity outcomes while supporting the socio-economic objectives driving land use intensification. Further research priorities include: i) determining the relative contributions of surface water and groundwater in supporting freshwater ecosystems; ii) identifying and protecting freshwater biodiversity hotspots and refugia; iii) improving our capacity to model hydro-ecological relationships and predict ecological outcomes from land use intensification and climate change; iv) developing an understanding of long term ecosystem behaviour; and v) exploring systemic approaches to enhancing governance systems, including planning and management systems affecting freshwater outcomes. A major policy challenge will be the integration of land and water management, which increasingly are being considered within different policy frameworks.",
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    Davis, J, O'Grady, A, Dale, A, Arthington, A, Gell, P, Driver, P, Bond, N, Casanova, M, Finlayson, M, Watts, R, Capon, S, Nagelkerken, I, Tingley, R, Fry, B, Page, T & Specht, A 2015, 'When trends intersect: The challenge of protecting freshwater ecosystems under multiple land use and hydrological intensification scenarios', Science of the Total Environment, vol. 534, pp. 65-78. https://doi.org/10.1016/j.scitotenv.2015.03.127

    When trends intersect: The challenge of protecting freshwater ecosystems under multiple land use and hydrological intensification scenarios. / Davis, Jenny; O'Grady, A; Dale, A; Arthington, Angela; Gell, Peter; Driver, P; Bond, Nick; Casanova, M; Finlayson, M; Watts, Robyn; Capon, Samantha; Nagelkerken, I; Tingley, R; Fry, B; Page, T; Specht, Alison.

    In: Science of the Total Environment, Vol. 534, 2015, p. 65-78.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - When trends intersect: The challenge of protecting freshwater ecosystems under multiple land use and hydrological intensification scenarios

    AU - Davis, Jenny

    AU - O'Grady, A

    AU - Dale, A

    AU - Arthington, Angela

    AU - Gell, Peter

    AU - Driver, P

    AU - Bond, Nick

    AU - Casanova, M

    AU - Finlayson, M

    AU - Watts, Robyn

    AU - Capon, Samantha

    AU - Nagelkerken, I

    AU - Tingley, R

    AU - Fry, B

    AU - Page, T

    AU - Specht, Alison

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    KW - Droughts

    KW - Extreme events

    KW - Floods

    KW - Freshwater biodiversity

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    KW - Land use intensification

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