Environmental Management

, Volume 34, Issue 4, pp 499–507 | Cite as

Hydrology or Floristics? Mapping and Classification of Wetlands in Victoria, Australia, and Implications for Conservation Planning

Article

Abstract

A national approach to the conservation of biodiversity in Australia’s freshwater ecosystems is a high priority. This requires a consistent and comprehensive system for the classification, inventory, and assessment of wetland ecosystems. This paper, using the State of Victoria as a case study, compares two classification systems that are commonly utilized to delineate and map wetlands—one based on hydrology (Victorian Wetland Database [VWD]) and one based on indigenous vegetation types and other natural features (Ecological Vegetation Classes [EVC]). We evaluated the extent of EVC mapping of wetlands relative to the VWD classification system using a number of datasets within a geographical information system. There were significant differences in the coverage of extant EVCs across bioregions, different-sized wetlands, and VWD wetland types. Resultant depletion levels were markedly different when examined using the two systems, with depletion levels, and therefore perceived conservation status, of EVCs being significantly higher. Although there is little doubt that many wetland ecosystems in Victoria are in fact threatened, the extent of this threat cannot accurately be determined by relying on the EVC mapping as it currently stands. The study highlighted the significant impact wetland classification methods have in determining the conservation status of freshwater ecosystems.

Victoria Wetlands Ecological Vegetation Classes GIS Vegetation classification Conservation status 

Notes

Acknowledgments

We thank Tom Dahl, Kimberley James, Dianne Simmons, and an anonymous referee for constructive comments on earlier drafts of this manuscript, and John White for statistical advice.

References

  1. 1.
    Brinson, M. M., Malvárez, A. I. 2002Temperate freshwater wetlands: Types, status, and threatsEnvironmental Conservation29115133CrossRefGoogle Scholar
  2. 2.
    Commonwealth of Australia. 1996. National Strategy for the Conservation of Australia’s Biological Diversity. Department of Environment, Sport and Territories, Canberra.Google Scholar
  3. 3.
    Commonwealth of Australia and State of Victoria. 2000a. Gippsland Regional Forest Agreement. Commonwealth of Australia and State of Victoria.Google Scholar
  4. 4.
    Commonwealth of Australia and State of Victoria. 2000b. West Victoria Regional Forest Agreement. Commonwealth of Australia and State of Victoria.Google Scholar
  5. 5.
    Corrick, A. H., Norman, F. I. 1980Wetlands of Victoria I. Wetlands and waterbirds of the Snowy River and Gippsland Lakes catchmentProceedings of the Royal Society of Victoria91115Google Scholar
  6. 6.
    Cowardin, L. M., V. M. Carter, F. C. Golet, and E. T. LaRoe. 1979. Classification of wetlands and deepwater habitats of the United States. U.S. Interior, Fish and Wildlife Service, Washington, D.C.Google Scholar
  7. 7.
    Dahl, T. E. 2000. Status and trends of wetlands in the conterminous United States 1986 to 1997. U.S. Department of the Interior, Fish and Wildlife Service, Washington, D.C.Google Scholar
  8. 8.
    ECC. 2001. Box-Ironbark Forests and Woodlands Investigation Final Report. Environment Conservation Council, Melbourne.Google Scholar
  9. 9.
    Environment Australia2001Directory of important wetlands in Australia, third editionEnvironment AustraliaCanberraGoogle Scholar
  10. 10.
    Environment Australia. 2002. Australia’s National Report—Eighth Conference of Contracting Parties to the Convention on Wetlands (Ramsar, Iran, 1971) 18–26 November 2002, Valencia, Spain. Wetlands Section, Environment Australia, Canberra. Available at: http://www.deh.gov.au/water/wetlands/ramsar/report8/Google Scholar
  11. 11.
    Finlayson, C.M., Davidson, N.C., Spiers, A.C., Stevenson, N.J. (1999) “Global wetland inventory-current status and future priorities.” Marine and Freshwater Research 50: 717–727Google Scholar
  12. 12.
    Finlayson, C. M., van der Valk, A. G. (eds.) 1995Classification and inventory of the world’s wetlandsKluwer Academic PublishersDordrecht, The NetherlandsGoogle Scholar
  13. 13.
    Fitzsimons, J. A., Robertson, H. A. 2003Wetland reservation status and reserve design in the Wimmera, VictoriaEcological Management & Restoration4140143Google Scholar
  14. 14.
    Hnatiuk, R. (2003) “Classification of plant communities. Pages 212–229” In: Attiwill, P., Wilson, B. (eds.), Ecology: An Australian perspective, Oxford University Press, MelbourneGoogle Scholar
  15. 15.
    JANIS. 1997. Nationally Agreed Criteria for the Establishment of a Comprehensive, Adequate and Representative Reserve System for Forests in Australia. Joint ANZECC/MCFFA National Forest Policy Statement Implementation Subcommittee, Canberra.Google Scholar
  16. 16.
    Keddy, P. A. 2000Wetland ecology: Principles and conservationCambridge University PressCambridgeGoogle Scholar
  17. 17.
    King, P., A. Tyrer, and S. Farrell. 2001. EVC symbology for BIOMAP (issues for 1:100,000 map scale presentation). Parks, Flora and Fauna mapping tool. Department Natural Resources and Environment, Melbourne.Google Scholar
  18. 18.
    Kingsford, R. T., K. Brandis, R. Thomas, P. Crighton, E. Knowles, and E. Gale. 2003. The distribution of wetlands in New South Wales. New South Wales National Parks and Wildlife Service, Hurstville.Google Scholar
  19. 19.
    Mitsch, W. J., Gosselink, J. G. 2000Wetlands, third editionJohn Wiley & SonsNew YorkGoogle Scholar
  20. 20.
    Nevill, J., Phillips, N. 2002Representative freshwater reserves: Better late than neverWater Science and Technology45145154Google Scholar
  21. 21.
    NLWRA. 2001. Australian Native Vegetation Assessment 2001. National Land and Water Resources Audit, Canberra.Google Scholar
  22. 22.
    NLWRA. 2002. Australian Terrestrial Biodiversity Assessment 2002. National Land and Water Resources Audit, Canberra.Google Scholar
  23. 23.
    NRE. 1996. Manual of Wetlands Management. Wetlands Conservation Report Series No. 4. Department of Natural Resources and Environment, Melbourne.Google Scholar
  24. 24.
    Parkes, D., Newell, G., Cheal, D. 2003Assessing the quality of native vegetation: The ‘habitat hectares’ approachEcological Management & Restoration4S29S38Google Scholar
  25. 25.
    Ramsar Convention Bureau1997The Ramsar convention manual: A guide to the convention of wetlands (Ramsar, Iran, 1971), second editionRamsar Convention BureauGland, SwitzerlandGoogle Scholar
  26. 26.
    Roshier, D. A., Whetton, P. H., Allan, R. J., Robertson, A. I. 2001Distribution and persistence of temporary wetland habitats in arid Australian in relation to climateAustral Ecology26371384CrossRefGoogle Scholar
  27. 27.
    Saunders, D. (1998) “Towards a representative system of conservation reserves for Victoria. Pages 49–55” In: Hamilton-Smith, E. (ed.), Celebrating the parks: Proceedings of the First Australian Symposium on Parks History, Rethink Consulting, Carlton SouthGoogle Scholar
  28. 28.
    Semeniuk, C. A. 1987Wetlands of the Darling system: A geomorphic approach to habitat classificationJournal of the Royal Society of Western Australia6995112Google Scholar
  29. 29.
    Semeniuk, C. A., Semeniuk, V. (1995) “Geomorphic approach to classifying wetlands in tropical north Australia Pages 123–128” In: Finlayson, C. M. (ed.), Wetland Research in the Wet-dry Tropics of Australia, Workshop Proceedings Jabiru, NT, 22–24 March 1995, Supervising Scientist Report 101, Supervising Scientist, CanberraGoogle Scholar
  30. 30.
    Semeniuk, V., Semeniuk, C. A. 1997A geomorphic approach to global classification for natural inland wetlands and rationalization of the system used by the Ramsar Convention—a discussionWetlands Ecology and Management5145158CrossRefGoogle Scholar
  31. 31.
    Spiers, A. G., Finlayson, C. M. (1999) “An assessment of the extent of wetland inventory data held in Australia. Pages 1–43” In: Finlayson, C. M., Spiers, A. G. (eds.), Techniques for enhanced wetland inventory and monitoring, Supervising Scientist Report 147. Supervising Scientist, CanberraGoogle Scholar
  32. 32.
    State of Victoria. 1997. Victoria’s Biodiversity—Directions in Management. State of Victoria, Melbourne.Google Scholar
  33. 33.
    State of Victoria 2002. Victoria’s Native Vegetation Management: A framework for management. State of Victoria, Melbourne.Google Scholar
  34. 34.
    Stoneham, G., V. Chaudhri, A. Ha, L. Strappazzon. 2003. “Auctions for conservation contracts: An empirical examination of Victoria’s BushTender Trial.” Australian Journal of Agricultural and Resource Economics 47: 477–500Google Scholar
  35. 35.
    Sun, D., Hnatiuk, R. J., Neldner, V. J. 1997Review of vegetation classification and mapping systems undertaken by major forested land management agencies in AustraliaAustralian Journal of Botany45929948CrossRefGoogle Scholar
  36. 36.
    Traill, B., and C. Porter. 2001. Nature Conservation Review Victoria 2001. Victorian National Parks Association, Melbourne.Google Scholar
  37. 37.
    Warner, B. G., and C. D. A. Rubec. 1997. The Canadian wetland classification system. National Wetlands Working Group, Wetlands Research Centre, University of Waterloo, Waterloo, Ontario.Google Scholar
  38. 38.
    Whitten, S., J. Bennett, W. Moss, M. Handley, and W. Phillips. 2002. Incentive Measures for Conserving Freshwater Ecosystems. Review and recommendations for Australian policy makers. Environment Australia, Canberra.Google Scholar
  39. 39.
    Woodgate, P. W., Pell, B. D., Coram, J. E., Farrell, S. J., Ritman, K. T., Lewis, A. 1996Old-growth forest studies in Victoria, Australia: Concepts and principlesForest Ecology and Management857994CrossRefGoogle Scholar

Copyright information

© Springer-Verlag New York, Inc. 2004

Authors and Affiliations

  1. 1.School of Ecology and EnvironmentDeakin UniversityBurwood, VIC 3125Australia

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