Integrating a global agro-climatic classification with bioregional boundaries in Australia

M Hutchinson, Sue McIntyre, Richard Hobbs, J Stein, Stephen Garnett, J Kinloch

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Aim Stratification of major differences in the biophysical features of landscapes at the continental scale is necessary to collectively assess local observations of landscape response to management actions for consistency and difference. Such a stratification is an important step in the development of generalizations concerning how landscapes respond to different management regimes. As part of the development of a comparative framework for this purpose, we propose a climate classification adapted from an existing broad scale global agro-climatic classification, which is closely aligned with natural vegetation formations and common land uses across Australia. Location The project considered landscapes across the continent of Australia. Methods The global agro-climatic classification was adapted by using elevation-dependent thin plate smoothing splines to clarify the spatial extents of the 18 global classes found in Australia. The clarified class boundaries were interpolated from known classes at 822 points across Australia. These classes were then aligned with the existing bioregional classification, Interim Biogeographic Regionalization for Australia IBRA 5.1. Results The aligned climate classes reflect major patterns in plant growth temperature and moisture indices and seasonality. These in turn reflect broad differences in cropping and other land use characteristics. Fifty-two of the 85 bioregions were classified entirely into one of the 18 agro-climatic classes. The remaining bioregions were classified according to sub-bioregional boundaries. A small number of these sub-bioregions were split to better reflect agro-climatic boundaries. Main conclusions The agro-climatic classification provided an explicit global context for the analysis. The topographic dependence of the revised climate class boundaries clarified the spatial extents of poorly sampled highland classes and facilitated the alignment of these classes with the bioregional classification. This also made the classification amenable to explicit application. The bioregional and subregional boundaries reflect discontinuities in biophysical features. These permit the integrated classification to reflect major potential differences in landscape function and response to management. The refined agro-climatic classification and its integration with the IBRA bioregions are both available for general use and assessment. � 2005 Blackwell Publishing Ltd.
    Original languageEnglish
    Pages (from-to)197-212
    Number of pages16
    JournalGlobal Ecology and Biogeography
    Volume14
    Issue number3
    Publication statusPublished - 2005

    Fingerprint

    climate
    stratification
    climate classification
    common land
    land use
    regionalization
    smoothing
    seasonality
    cropping practice
    discontinuity
    moisture
    highlands
    plant growth
    vegetation
    temperature
    methodology
    analysis
    alignment
    continent
    method

    Cite this

    Hutchinson, M., McIntyre, S., Hobbs, R., Stein, J., Garnett, S., & Kinloch, J. (2005). Integrating a global agro-climatic classification with bioregional boundaries in Australia. Global Ecology and Biogeography, 14(3), 197-212.
    Hutchinson, M ; McIntyre, Sue ; Hobbs, Richard ; Stein, J ; Garnett, Stephen ; Kinloch, J. / Integrating a global agro-climatic classification with bioregional boundaries in Australia. In: Global Ecology and Biogeography. 2005 ; Vol. 14, No. 3. pp. 197-212.
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    title = "Integrating a global agro-climatic classification with bioregional boundaries in Australia",
    abstract = "Aim Stratification of major differences in the biophysical features of landscapes at the continental scale is necessary to collectively assess local observations of landscape response to management actions for consistency and difference. Such a stratification is an important step in the development of generalizations concerning how landscapes respond to different management regimes. As part of the development of a comparative framework for this purpose, we propose a climate classification adapted from an existing broad scale global agro-climatic classification, which is closely aligned with natural vegetation formations and common land uses across Australia. Location The project considered landscapes across the continent of Australia. Methods The global agro-climatic classification was adapted by using elevation-dependent thin plate smoothing splines to clarify the spatial extents of the 18 global classes found in Australia. The clarified class boundaries were interpolated from known classes at 822 points across Australia. These classes were then aligned with the existing bioregional classification, Interim Biogeographic Regionalization for Australia IBRA 5.1. Results The aligned climate classes reflect major patterns in plant growth temperature and moisture indices and seasonality. These in turn reflect broad differences in cropping and other land use characteristics. Fifty-two of the 85 bioregions were classified entirely into one of the 18 agro-climatic classes. The remaining bioregions were classified according to sub-bioregional boundaries. A small number of these sub-bioregions were split to better reflect agro-climatic boundaries. Main conclusions The agro-climatic classification provided an explicit global context for the analysis. The topographic dependence of the revised climate class boundaries clarified the spatial extents of poorly sampled highland classes and facilitated the alignment of these classes with the bioregional classification. This also made the classification amenable to explicit application. The bioregional and subregional boundaries reflect discontinuities in biophysical features. These permit the integrated classification to reflect major potential differences in landscape function and response to management. The refined agro-climatic classification and its integration with the IBRA bioregions are both available for general use and assessment. � 2005 Blackwell Publishing Ltd.",
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    Hutchinson, M, McIntyre, S, Hobbs, R, Stein, J, Garnett, S & Kinloch, J 2005, 'Integrating a global agro-climatic classification with bioregional boundaries in Australia' Global Ecology and Biogeography, vol. 14, no. 3, pp. 197-212.

    Integrating a global agro-climatic classification with bioregional boundaries in Australia. / Hutchinson, M; McIntyre, Sue; Hobbs, Richard; Stein, J; Garnett, Stephen; Kinloch, J.

    In: Global Ecology and Biogeography, Vol. 14, No. 3, 2005, p. 197-212.

    Research output: Contribution to journalArticleResearchpeer-review

    TY - JOUR

    T1 - Integrating a global agro-climatic classification with bioregional boundaries in Australia

    AU - Hutchinson, M

    AU - McIntyre, Sue

    AU - Hobbs, Richard

    AU - Stein, J

    AU - Garnett, Stephen

    AU - Kinloch, J

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    N2 - Aim Stratification of major differences in the biophysical features of landscapes at the continental scale is necessary to collectively assess local observations of landscape response to management actions for consistency and difference. Such a stratification is an important step in the development of generalizations concerning how landscapes respond to different management regimes. As part of the development of a comparative framework for this purpose, we propose a climate classification adapted from an existing broad scale global agro-climatic classification, which is closely aligned with natural vegetation formations and common land uses across Australia. Location The project considered landscapes across the continent of Australia. Methods The global agro-climatic classification was adapted by using elevation-dependent thin plate smoothing splines to clarify the spatial extents of the 18 global classes found in Australia. The clarified class boundaries were interpolated from known classes at 822 points across Australia. These classes were then aligned with the existing bioregional classification, Interim Biogeographic Regionalization for Australia IBRA 5.1. Results The aligned climate classes reflect major patterns in plant growth temperature and moisture indices and seasonality. These in turn reflect broad differences in cropping and other land use characteristics. Fifty-two of the 85 bioregions were classified entirely into one of the 18 agro-climatic classes. The remaining bioregions were classified according to sub-bioregional boundaries. A small number of these sub-bioregions were split to better reflect agro-climatic boundaries. Main conclusions The agro-climatic classification provided an explicit global context for the analysis. The topographic dependence of the revised climate class boundaries clarified the spatial extents of poorly sampled highland classes and facilitated the alignment of these classes with the bioregional classification. This also made the classification amenable to explicit application. The bioregional and subregional boundaries reflect discontinuities in biophysical features. These permit the integrated classification to reflect major potential differences in landscape function and response to management. The refined agro-climatic classification and its integration with the IBRA bioregions are both available for general use and assessment. � 2005 Blackwell Publishing Ltd.

    AB - Aim Stratification of major differences in the biophysical features of landscapes at the continental scale is necessary to collectively assess local observations of landscape response to management actions for consistency and difference. Such a stratification is an important step in the development of generalizations concerning how landscapes respond to different management regimes. As part of the development of a comparative framework for this purpose, we propose a climate classification adapted from an existing broad scale global agro-climatic classification, which is closely aligned with natural vegetation formations and common land uses across Australia. Location The project considered landscapes across the continent of Australia. Methods The global agro-climatic classification was adapted by using elevation-dependent thin plate smoothing splines to clarify the spatial extents of the 18 global classes found in Australia. The clarified class boundaries were interpolated from known classes at 822 points across Australia. These classes were then aligned with the existing bioregional classification, Interim Biogeographic Regionalization for Australia IBRA 5.1. Results The aligned climate classes reflect major patterns in plant growth temperature and moisture indices and seasonality. These in turn reflect broad differences in cropping and other land use characteristics. Fifty-two of the 85 bioregions were classified entirely into one of the 18 agro-climatic classes. The remaining bioregions were classified according to sub-bioregional boundaries. A small number of these sub-bioregions were split to better reflect agro-climatic boundaries. Main conclusions The agro-climatic classification provided an explicit global context for the analysis. The topographic dependence of the revised climate class boundaries clarified the spatial extents of poorly sampled highland classes and facilitated the alignment of these classes with the bioregional classification. This also made the classification amenable to explicit application. The bioregional and subregional boundaries reflect discontinuities in biophysical features. These permit the integrated classification to reflect major potential differences in landscape function and response to management. The refined agro-climatic classification and its integration with the IBRA bioregions are both available for general use and assessment. � 2005 Blackwell Publishing Ltd.

    KW - biogeography

    KW - climate classification

    KW - land use

    KW - landscape

    KW - Australasia

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    KW - Eastern Hemisphere

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