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Ecological functionality of landscapes with alternative rehabilitations of depleted aggregate sites.

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Title: Ecological functionality of landscapes with alternative rehabilitations of depleted aggregate sites.
Authors: Corry, R. C.1 rcorry@uoguelph.ca, Lafortezza, R.2, Brown, R. D.1
Source: International Journal of Mining, Reclamation & Environment. Sep2010, Vol. 24 Issue 3, p216-232. 17p. 2 Black and White Photographs, 9 Charts.
Subjects: Landscapes, Holes, Mineral aggregates, Restoration ecology, Biodiversity
Geographic Terms: Ontario
Abstract: To explore the implications of surrounding landscape context on the ecological effects of rehabilitation, we assessed three alternative ways of rehabilitating depleted Ontario sites with measures of habitat patterns and cumulative costs (landscape resistance). Alternative rehabilitations focused on (a) economics, (b) biodiversity protection and (c) a compromise of economics and biodiversity. We measured the landscape effects of the different rehabilitations within a 10 km radius of several depleted aggregate sites. A cost-surface model showed that the biodiversity protection alternative achieved lower landscape resistance than the other alternatives, and importantly that this effect could extend well beyond the site. Measuring four attributes of landscape pattern the differences among alternatives showed that the biodiversity alternative offered the best habitat patterns over the economic alternative. Yet for some sites a compromise alternative could achieve similar ecological consequences while balancing competing interests. Broad inclusion of nearby landscape context when designing rehabilitation can substantially affect the ecological outcomes of rehabilitation, and the effects can be quite extensive. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Mining, Reclamation & Environment is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Ecological functionality of landscapes with alternative rehabilitations of depleted aggregate sites.
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Mining%2C+Reclamation+%26+Environment%22">International Journal of Mining, Reclamation & Environment</searchLink>. Sep2010, Vol. 24 Issue 3, p216-232. 17p. 2 Black and White Photographs, 9 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Landscapes%22">Landscapes</searchLink><br /><searchLink fieldCode="DE" term="%22Holes%22">Holes</searchLink><br /><searchLink fieldCode="DE" term="%22Mineral+aggregates%22">Mineral aggregates</searchLink><br /><searchLink fieldCode="DE" term="%22Restoration+ecology%22">Restoration ecology</searchLink><br /><searchLink fieldCode="DE" term="%22Biodiversity%22">Biodiversity</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Ontario%22">Ontario</searchLink>
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  Data: To explore the implications of surrounding landscape context on the ecological effects of rehabilitation, we assessed three alternative ways of rehabilitating depleted Ontario sites with measures of habitat patterns and cumulative costs (landscape resistance). Alternative rehabilitations focused on (a) economics, (b) biodiversity protection and (c) a compromise of economics and biodiversity. We measured the landscape effects of the different rehabilitations within a 10 km radius of several depleted aggregate sites. A cost-surface model showed that the biodiversity protection alternative achieved lower landscape resistance than the other alternatives, and importantly that this effect could extend well beyond the site. Measuring four attributes of landscape pattern the differences among alternatives showed that the biodiversity alternative offered the best habitat patterns over the economic alternative. Yet for some sites a compromise alternative could achieve similar ecological consequences while balancing competing interests. Broad inclusion of nearby landscape context when designing rehabilitation can substantially affect the ecological outcomes of rehabilitation, and the effects can be quite extensive. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Mining, Reclamation & Environment is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/17480930903399385
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      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 216
    Subjects:
      – SubjectFull: Landscapes
        Type: general
      – SubjectFull: Holes
        Type: general
      – SubjectFull: Mineral aggregates
        Type: general
      – SubjectFull: Restoration ecology
        Type: general
      – SubjectFull: Biodiversity
        Type: general
      – SubjectFull: Ontario
        Type: general
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      – TitleFull: Ecological functionality of landscapes with alternative rehabilitations of depleted aggregate sites.
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            NameFull: Lafortezza, R.
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            – D: 01
              M: 09
              Text: Sep2010
              Type: published
              Y: 2010
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            – TitleFull: International Journal of Mining, Reclamation & Environment
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