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Road-network agglomeration, road density, and protected-area fragmentation

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Listed:
  • Heidi Albers
  • Amy Ando

    ()

  • Meidan Bu
  • Michael Wing

Abstract

This paper develops a new measure of the spatial pattern of roads in an area, named the Road Network Agglomeration Index (RNAI), and explores the impact of this dimension of road networks on spatial patterns of conservation networks. RNAI is more spatially descriptive than road density measures used commonly in analyses of conservation patterns, and easier to calculate than some other metrics of road network characteristics. The paper uses both RNAI and road density in a case study, performing regression analyses to explore the drivers of fragmentation of California’s network of public and private conservation lands. RNAI emerges as a consistently strong indicator of the degree of fragmentation of the reserve network, complementing road density as a measure of features of road networks that affect the pattern of protected areas in a watershed. We also find that private conservation serves more often to increase rather than decrease agglomeration of the reserve network. Copyright Springer-Verlag 2012

Suggested Citation

  • Heidi Albers & Amy Ando & Meidan Bu & Michael Wing, 2012. "Road-network agglomeration, road density, and protected-area fragmentation," Letters in Spatial and Resource Sciences, Springer, vol. 5(3), pages 137-150, October.
  • Handle: RePEc:spr:lsprsc:v:5:y:2012:i:3:p:137-150
    DOI: 10.1007/s12076-012-0078-z
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    File URL: http://hdl.handle.net/10.1007/s12076-012-0078-z
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    References listed on IDEAS

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    1. Nalle, Darek J. & Montgomery, Claire A. & Arthur, Jeffrey L. & Polasky, Stephen & Schumaker, Nathan H., 2004. "Modeling joint production of wildlife and timber," Journal of Environmental Economics and Management, Elsevier, vol. 48(3), pages 997-1017, November.
    2. Albers, Heidi J. & Ando, Amy W. & Batz, Michael, 2008. "Patterns of multi-agent land conservation: Crowding in/out, agglomeration, and policy," Resource and Energy Economics, Elsevier, vol. 30(4), pages 492-508, December.
    3. Wu, JunJie & Boggess, William G., 1999. "The Optimal Allocation of Conservation Funds," Journal of Environmental Economics and Management, Elsevier, vol. 38(3), pages 302-321, November.
    4. Alexander Pfaff & Juan Robalino & Robert Walker & Steven Aldrich & Marcellus Caldas & Eustaquio Reis & Stephen Perz & Claudio Bohrer & Eugenio Arima & William Laurance & Kathryn Kirby, 2007. "Road Investments, Spatial Spillovers, And Deforestation In The Brazilian Amazon," Journal of Regional Science, Wiley Blackwell, vol. 47(1), pages 109-123, February.
    5. Albers, Heidi J. & Ando, Amy W. & Chen, Xiaoxuan, 2008. "Spatial-econometric analysis of attraction and repulsion of private conservation by public reserves," Journal of Environmental Economics and Management, Elsevier, vol. 56(1), pages 33-49, July.
    6. Peter Kennedy, 2003. "A Guide to Econometrics, 5th Edition," MIT Press Books, The MIT Press, edition 5, volume 1, number 026261183x.
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    Citations

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    Cited by:

    1. Katharine Sims, 2014. "Do Protected Areas Reduce Forest Fragmentation? A Microlandscapes Approach," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 58(2), pages 303-333, June.
    2. repec:kap:enreec:v:71:y:2018:i:4:d:10.1007_s10640-017-0192-x is not listed on IDEAS

    More about this item

    Keywords

    Conservation; Fragmentation; Agglomeration; Land trusts; Roads; Protected areas; Q24; R14;

    JEL classification:

    • Q24 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Land
    • R14 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Land Use Patterns

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