Measuring benefits of protected area management: Trends across realms and research gaps for freshwater systems

Vanessa Adams, Samantha Setterfield, Michael Douglas, Mark Kennard, Keith Ferdinands

    Research output: Contribution to journalArticle

    Abstract

    Protected areas remain a cornerstone for global conservation. However, their effectiveness at halting biodiversity decline is not fully understood. Studies of protected area benefits have largely focused on measuring their impact on halting deforestation and have neglected to measure the impacts of protected areas on other threats. Evaluations that measure the impact of protected area management require more complex evaluation designs and datasets. This is the case across realms (terrestrial, freshwater, marine), but measuring the impact of protected area management in freshwater systems may be even more difficult owing to the high level of connectivity and potential for threat propagation within systems (e.g. downstream flow of pollution). We review the potential barriers to conducting impact evaluation for protected area management in freshwater systems. We contrast the barriers identified for freshwater systems to terrestrial systems and discuss potential measurable outcomes and confounders associated with protected area management across the two realms. We identify key research gaps in conducting impact evaluation in freshwater systems that relate to three of their major characteristics: variability, connectivity and time lags in outcomes. Lastly, we use Kakadu National Park world heritage area, the largest national park in Australia, as a case study to illustrate the challenges of measuring impacts of protected area management programmes for environmental outcomes in freshwater systems.
    Original languageEnglish
    Pages (from-to)1-12
    Number of pages12
    JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
    Volume370
    Issue number1681
    DOIs
    Publication statusPublished - 2015

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