Ecological enhancement of coastal engineering structures: Passive enhancement techniques.
Ecological enhancement of coastal engineering structures: Passive enhancement techniques.
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海岸工程结构的生态增强:被动增强技术。
DOI:
10.1016/j.scitotenv.2020.139981
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
MacArthur M
中科院分区:
文献类型:
--
作者:
MacArthur M
The rock type used in coastal engineering structures impacts biodiversity, but its effect has been understudied to date. We report here on whether different combinations of rock material and rock mass properties can improve habitat suitability and early phase ecological outcomes on coastal engineering structures. We examine two coastal engineering schemes that used different granites during construction. At site one, Shap granite boulders with a high number of cm-dm2surface features (e.g. ledges) were deliberately positioned during construction (called passive enhancement), to a) maximise the provision of cm-dm scale intertidal habitat and b) determine which scale of habitat is best for ecological enhancement. At site two, Norwegian granite boulders were installed without passive enhancement, allowing for a direct comparison. Passive positioning of Shap granite boulders led to an increase in limpet (Patella vulgata, Linnaeus, 1758) abundance within two years but few limpets were recorded on the non-enhanced Norwegian granite. Positioning of boulder thus exerts a strong control on the mm and mm-dm scale geomorphic features present, with clear ecological benefits when suitable features are selected for and optimally positioned (i.e. passive enhancement) to maximise habitat features. AnEcoRockscoring matrix was developed to aid in the selection of the most ecologically suitable rock materials for coastal engineering worldwide; this can help improve habitat provision on engineered structures in a rapidly warming world.
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通讯作者:
Robb, Linda
DOI:
--
发表时间:
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期刊:
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DOI:
--
发表时间:
2011
期刊:
影响因子:
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通讯作者:
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