Assessing the local effects of riparian restoration on urban streams

Ross Thompson, S. Parkinson

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    Riparian zones mediate chemical and biological exchanges between streams and the terrestrial environment. In urban systems, these zones are often heavily modified by removal of native vegetation and bank disruption. Management agencies have made considerable investments into restoring riparian vegetation through replanting. We investigated the potential for riparian plantings to restore invertebrate communities, bycomparing open and forested (replanted) reaches over winter within three urban streams in Melbourne, Australia. Clear differences in aquatic habitats, food resources and fauna were evident between reaches. Algal biomass on artificial substrates did not differ significantlybetween reaches. Open reaches had higher abundances of taxa reliant on autochthonous production as the primaryfood resources (e.g. gastropods, chironomids and oligochaetes), while forested reaches displayed a higher diversity of invertebrate taxa associated with allochthonous resources. We conclude that riparian plantings may have some positive effects on streams, even without broader catchment improvements in water quality and hydrology.
    Original languageEnglish
    Pages (from-to)625-636
    Number of pages12
    JournalNew Zealand Journal of Marine and Freshwater Research
    Volume45
    DOIs
    Publication statusPublished - 2011

    Fingerprint

    resource
    invertebrate
    invertebrates
    planting
    artificial substrate
    vegetation
    Oligochaeta
    urban system
    riparian vegetation
    riparian zone
    aquatic habitat
    terrestrial environment
    riparian areas
    Chironomidae
    hydrology
    gastropod
    Gastropoda
    water quality
    fauna
    catchment

    Cite this

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    abstract = "Riparian zones mediate chemical and biological exchanges between streams and the terrestrial environment. In urban systems, these zones are often heavily modified by removal of native vegetation and bank disruption. Management agencies have made considerable investments into restoring riparian vegetation through replanting. We investigated the potential for riparian plantings to restore invertebrate communities, bycomparing open and forested (replanted) reaches over winter within three urban streams in Melbourne, Australia. Clear differences in aquatic habitats, food resources and fauna were evident between reaches. Algal biomass on artificial substrates did not differ significantlybetween reaches. Open reaches had higher abundances of taxa reliant on autochthonous production as the primaryfood resources (e.g. gastropods, chironomids and oligochaetes), while forested reaches displayed a higher diversity of invertebrate taxa associated with allochthonous resources. We conclude that riparian plantings may have some positive effects on streams, even without broader catchment improvements in water quality and hydrology.",
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    Assessing the local effects of riparian restoration on urban streams. / Thompson, Ross; Parkinson, S.

    In: New Zealand Journal of Marine and Freshwater Research, Vol. 45, 2011, p. 625-636.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Assessing the local effects of riparian restoration on urban streams

    AU - Thompson, Ross

    AU - Parkinson, S.

    PY - 2011

    Y1 - 2011

    N2 - Riparian zones mediate chemical and biological exchanges between streams and the terrestrial environment. In urban systems, these zones are often heavily modified by removal of native vegetation and bank disruption. Management agencies have made considerable investments into restoring riparian vegetation through replanting. We investigated the potential for riparian plantings to restore invertebrate communities, bycomparing open and forested (replanted) reaches over winter within three urban streams in Melbourne, Australia. Clear differences in aquatic habitats, food resources and fauna were evident between reaches. Algal biomass on artificial substrates did not differ significantlybetween reaches. Open reaches had higher abundances of taxa reliant on autochthonous production as the primaryfood resources (e.g. gastropods, chironomids and oligochaetes), while forested reaches displayed a higher diversity of invertebrate taxa associated with allochthonous resources. We conclude that riparian plantings may have some positive effects on streams, even without broader catchment improvements in water quality and hydrology.

    AB - Riparian zones mediate chemical and biological exchanges between streams and the terrestrial environment. In urban systems, these zones are often heavily modified by removal of native vegetation and bank disruption. Management agencies have made considerable investments into restoring riparian vegetation through replanting. We investigated the potential for riparian plantings to restore invertebrate communities, bycomparing open and forested (replanted) reaches over winter within three urban streams in Melbourne, Australia. Clear differences in aquatic habitats, food resources and fauna were evident between reaches. Algal biomass on artificial substrates did not differ significantlybetween reaches. Open reaches had higher abundances of taxa reliant on autochthonous production as the primaryfood resources (e.g. gastropods, chironomids and oligochaetes), while forested reaches displayed a higher diversity of invertebrate taxa associated with allochthonous resources. We conclude that riparian plantings may have some positive effects on streams, even without broader catchment improvements in water quality and hydrology.

    KW - urban streams

    KW - riparian replanting

    KW - aquatic communities

    KW - ecosystem function.

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    DO - 10.1080/00288330.2011.569988

    M3 - Article

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    JO - New Zealand Journal of Marine and Freshwater Research

    JF - New Zealand Journal of Marine and Freshwater Research

    SN - 0028-8330

    ER -