Quantifying ecosystem service trade-offs: The case of an urban floodplain in Vienna, Austria

Journal of Environmental Management

Volumn 111, Issue , 2012, Pages 159-172

  Sanon, Samai ^a   Hein, Thomas ^b,c   Douven, Wim ^a   Winkler, Peter ^b,c  

^a UNESCO IHE INSTITUTE FOR WATER EDUCATION   (Netherlands)

^b UNIVERSITY OF NATURAL RESOURCES AND LIFE SCIENCES   (Austria)

^c Wassercluster biologische station lunz   (Austria)

Author keywords

Floodplain restoration; Lobau wetland; Multi criteria decision analysis; Trade off analysis; Wetland ecosystem services; Wetland management

Indexed keywords

DRINKING WATER;

DECISION ANALYSIS; DECISION MAKING; DRINKING WATER; ECOSYSTEM SERVICE; FLOOD CONTROL; FLOODPLAIN; MULTICRITERIA ANALYSIS; NATIONAL PARK; PARTICIPATORY APPROACH; RESTORATION ECOLOGY; STAKEHOLDER; TRADE-OFF; URBAN PLANNING; WETLAND;

AGRICULTURE; ARTICLE; AUSTRIA; ENVIRONMENTAL MANAGEMENT; FISHERY; FLOODPLAIN; HABITAT; HUMAN; NATIONAL PARK; RECREATION; URBAN AREA;

AUSTRIA; DANUBE RIVER; VIENNA;

EID: 84864807538     PISSN: 03014797     EISSN: 10958630     Source Type: Journal    
DOI: 10.1016/j.jenvman.2012.06.008     Document Type: Article

References (91)

1. Acreman M.C., Fisher J., Stratford C.J., Mould D.J., Mountford O.J. Hydrological science and wetland restoration- some case studies from Europe 2007. Journal of Hydrology & Earth System Sciences 2007, 11(1):158-169.
2. Amezaga M.J., Santamaría L., Gree J.A. Biotic wetland connectivity- supporting a new approach for wetland policy. Journal of Acta Oecologica 2002, 23(3):213-222. (Elsevier). 10.1016/S1146-609X(02)01152-9.
3. Anderson P. Ecological restoration and creation: a review. Biological Journal of the Linnean Society 1995, 56(1):187-211. (Wiley). 10.1111/j.1095-8312.1995.tb01133.x.
4. Baart I., Gschöpf C., Blaschke A.P., Preiner A., Hein T. Prediction of potential macrophyte development in response to restoration measures in an urban riverine wetland. Journal of Aquatic Botany 2010, 93(3):153-162,. (Elsevier). http://dx.doi.org/10.1016/j.aquabot.2010.06.002.
5. Baker D., Bridges D., Hunter R., Jhonson G., Krupa J., Murphy J., Sorenson K. Guidebook to Decision Making Methods 2001, WSRC-IM-2002-00002, Department of Energy, USA, 27th April 2011. http://www.dss.dpem.tuc.gr/pdf/Decision%2520Making%2520Guidebook_2002.pdf.
6. Brown K., Tompkins E., Adger W.N. Trade-off Analysis for Participatory Coastal Zone Decision-making, Overseas Development Group 2001, University of East Anglia, Norwich, UK.
7. Brown K., Adger N.W., Tompkins E., Bacon P., Shin D., Young K. Trade-off Analysis for marine protected area management. Journal of Ecological Economics 2001, 37(3):417-434. (Elsevier). 10.1016/S0921-8009(00)00293-7.
8. Chen Y., Kilgour M.D., Hipel W.K. Screening in multiple criteria decision analysis. Decision Support Systems 2008, 45(2):278-290. (Elsevier). 10.1016/j.dss.2007.12.017.
9. Cheung William W.L., Sumaila R.U. Trade-offs between conservation and socio-economic objectives in managing a tropical marine ecosystem. Ecological Economics 2007, 66(1):193-210. (Elsevier). 10.1016/j.ecolecon.2007.09.001.
10. Deb K., Sundar J., Rao N.B.U. Reference point based multi-objective optimization using evolutionary algorithms. International Journal of Computational Intelligence Research 2006, 2(3):273-286. (Research India Publications). 10.5019/j.ijcir.2006.67.
11. De Steiguer J.E., Liberti L., Schuler A., Hansen B. Multicriteria Decision Models for Forestry and Natural Resource Management: An Annotated Bibliography 2003, General Technical Report NE-307, USDA, Forest Service, Northeastern Research Station, 4th of April 20111-37. http://www.nrs.fs.fed.us/pubs/gtr/gtrne307.pdf.
12. Dietrich J., Schumann A.H., Lotov A.V. Workflow oriented participatory decision support for integrated river basin planning. Topics on System Analysis and Integrated Water Resource Management 2007, 207-221. Elsevier, (Chapter 11). 10.1016/B978-0080449678/50011-7. A. Castelletti, R. Soncini Sessa (Eds.).
13. Dodgson J.S., Spackman M., Pearman A.D., Phillips L.D. Multi- Criteria Analysis: A Manual. Good Practice and Guidance 2009, Department for Communities and Local Government, (Crown).
14. Fraser L.H., Keddy P.A. The World's Largest Wetlands: Ecology and Conservation 2005, Cambridge University Press, Cambridge.
15. Faulkner S. Urbanization impacts on the structure and function of forested wetlands. Urban Ecosystems 2004, 7(2):89-106. (Springer Link). 10.1023/B: UECO.0000036269.56249.66.
16. Giove S., Brancia A., Satterstrom K.F., Linkov I. Decision support systems and the environment: role of MCDA. Decision Support Systems for Risk-Based Management of Contaminated Sites 2009, Springer Science, Business Media, LLC, (Chapter 3). 10.1007/978-0-387-09722-0_3. A. Marcomini, G.S. Walter, A. Critto (Eds.).
17. Giupponi C. Decision support systems for implementing the European water framework Directive: the MULINO approach. Environmental Modeling and Software 2007, 22(2):248-258. (Elsevier). 10.1016/j.envsoft.2005.07.024.
18. Grayson J.E., Chapman M.G., Underwood A.J. The assessment of restoration of habitat in urban wetlands. Landscape and Urban Planning 1999, 43(4):227-236. (Elsevier). 10.1016/S0169-2046(98)00108-X.
19. Gregory R.R. Incorporating value trade-offs into community based environmental risk decisions. Environmental Values 2002, 11(4):461-488. (White Horse Press). 10.3197/096327102129341181.
20. Grierson D.E. Pareto multi-criteria decision making. Advanced Engineering Informatics 2008, 22(3):371-384. (Elsevier). 10.1016/j.aei.2008.03.001.
21. Groffman P.M., Bain D.J., Band L.E., Belt K.T., Brush G.S., Grove J.M., Pouyat R.V., Yesilonis I.C., Zipperer W.C. Down by the riverside: urban riparian ecology. Frontiers in Ecology and the Environment 2003, 1(6):315-321. (ESA). 10.1890/1540-9295(2003)001[0315:DBTRUR]2.0.CO;2.
22. Hadwiger E., Splinder T., Waidbacher H. Fischereikonzept für den Nationalpark Donau-Auen. Studie i.A 1995, Nationalparkplanung Donau-Auen, Deutsch-Wagram, p. 64.
23. Hale B.W., Adam M.S. Ecosystem management and the conservation of river-floodplain systems. Journal of Landscape and Urban Planning 2007, 80(1-2):23-33. (Elsevier). 10.1016/j.landurbplan.2006.05.002.
24. Hein T., Baart I., Blaschke A.P., Habereder C., Haidvogl G., Hohensinner S., Preiner S., Reckendorfer W., Reiter K., Schuh B., Stanzer G., Weigelhofer G. OPTIMA LOBAU- Future Scenarios for a Sustainable Management Perspective of an Urban Floodplain. 4th ECRR Conference on River Restoration, Proceedings, Venice 2008.
25. Hein T., Blaschke A.P., Haidvogl G., Hohensinner S., Kucera-Hirzinger V., Preiner S., Reiter K., Schuh B., Weigelhofer G., Zsuffa I. Optimized management strategies for the Biosphere reserve Lobau, Austria - based on a multi criteria decision support system. International Journal of Ecohydrology and Hydrobiology 2006, 6(1-4):25-36.
26. Hein T., Blaschke A.P., Haidvogl G., Hohensinner S., Rekendorfer W., Reiter K., Schuh B., Weigelhofer G. Urban flood plain- optimized management strategies in the face of conflicting ecological and socio-economic demands. Reducing the vulnerability of societies to water related risks at the basin scale. International Symposium on Integrated Water Resources Management 2007, 317(3):258-268. (IAHS Press). 0144-7815.
27. Hesselink, A.W., 2002. History makes a river-morphological changes and human interference in the river Rhine, The Netherlands. PhD Dissertation, Utrecht University, Neth Geogr Studies 292.
28. Henry C.P., Amoros C., Roset N. Restoration ecology of riverine wetlands: a 5-year post-operation survey on the Rhône River, France. Journal of Ecological Engineering 2002, 18(5):543-554. (Elsevier). 10.1016/S0925-8574(02)00019-8.
29. Hey D.L., Philippi S.N. Flood reduction through wetland restoration: the Upper Mississippi river basin as a case history. Journal of Restoration Ecology 2006, 3(1):4-17. (Elsevier). 10.1111/j.1526-100X.1995.tb00070.x.
30. Hoehn P.J., Lupi F., Kaplowitz D.,M. Untying a Lacastrian bundle: valuing ecosystems and ecosystem services for wetland mitigation. Journal of Environmental Management 2003, 68(3):263-272. (Elsevier). 10.1016/S0301-4797(03)00069-0.
31. Hohensinner S., Hbersack H., Jungwirth M., Zauner G. Reconstruction of the characteristics of a natural alluvial river-floodplain system and hydromorphological changes following human modifications: the Danube River (1812-1991). River Research and Applications 2004, 20(a):25-41. (Wiley). 10.1002/rra.719.
32. Hohensinner S., Mathew H., Blaschke A.P., Habereder C., Haidvogl G., Hein T., Jungwirth M., Weiβ M. Type-specific reference condition of fluvial landscapes: a search in the past by 3D-reconstruction. CATENA 2008, 75(2):200-215. (Elsevier). 10.1016/j.catena.2008.06.004.
33. Hopfensberger K.N., Engelhardt K.A.M., Seagle S.W. The use of case studies for establishing feasibility for wetland restoration. Restoration Ecology 2006, 14(4):578-586. (Wiley). 10.1111/j.1526-100X.2006.00169.x.
34. Howard A.F. A critical look at multiple criteria decision making techniques with reference to forestry applications. Canadian Journal of Forest Research 1991, 21(11):1649-1659. (Mendeley). 10.1139/x91-228.
35. Janauer G.A., Strausz V. Stakeholders Goals and the UNESCO Biosphere reserve Lobau - how to make contrasting interest meet?. International Symposium on New Directions in Urban Water Management 2007, UNESCO, PARIS.
36. Jollands N., Lermit J., Patterson M. The usefulness of aggregate indicators in policy making and evaluation: a discussion with application to eco-efficiency indicators in New Zealand. International Society for Ecological Economics 2003, 27th of Feb. 2011. http://www.ecoeco.org/pdf/jollands.pdf.
37. Jungwirth M., Muhar S., Schmutz S. Re-establishing and assessing ecological integrity in riverine landscapes. Journal Freshwater Biology 2002, 48(4):867-887. (Elsevier). 10.1046/j.1365-427.2002.00914.x.
38. Kakoyannis C., Shindler B., Stankey G. Understanding the Social Acceptability of Natural Resource Decision Making by Using a Knowledge Based Modeling Approach 2001, General Technical Report PNW-GTR-518, USDA, Forest Service, Pacific Northwest Research Station.
39. Kanyarukiga S.G., Ngarambe V. Wetland Characterization and Classification for Sustainable Agricultural Development 1998, Food and Agriculture Organization.
40. Keeney R.L. Value-focused thinking: a path to creative decision making. Journal of Multi-Criteria Decision Analysis 1992, 2(1):1-59. (Wiley). 10.1002/mcda.4020020108.
41. Kelly C.T., Lui Yao-chi, Teasdale J. Economic-environmental tradeoffs among alternative crop rotation. Agriculture Ecosystems & Environment 1996, 60(1):17-28. (Elsevier). 10.1016/S0167-8809(96)01064-X.
42. Kirschner T.K.A., Riegl B., Velimirov B. Degradation of emergent and submergent macrophytes in an Oxbow lake of an embanked backwater system: implications for the terrestrialization process. International Review of Hydrobiology 2001, 86(4-5):555-571. (Elsevier). 10.1002/1522-2632(200107).
43. Kiker A.G., Bridges S.T., Varghese A., Seager P.T. Application of multicriteria decision analysis in environmental decision making. Integrated Environmental Assessment and Management 2005, 1(2):95-108. (SETAC).
44. Kollat J.B., Reed P. A framework for visually interactive decision-making and design using evolutionary multi-objective optimization (VIDEA). Environmental Modeling and Software 2007, 22(12):1691-1704. (Elsevier). 10.1016/j.envsoft.2007.02.001.
45. Lautenbach S., Volk M., Gruber B., Dormann C.F., Strauch M., Seppelt R. Quantifying ecosystem service trade-offs. international environmental modeling and software society (iEMSs) 2010 International Congress on Environmental Modeling and Software Modeling for Environment's Sake, Fifth Biennial Meeting, 4th of April. http://www.iemss.org/iemss2010/papers/S06/S.06.08.Quantifying%2520Ecosystem%2520Service%2520Tradeoffs%2520-%2520SVEN%2520LAUTENBACH.pdf.
46. Lee J., Kuo Y.J., Huang T.W. Fuzzy decision making through relationships analysis between criteria. Fuzzy Systems Symposium, 'Soft Computing in Intelligent Systems and Information Processing', Kenting Taiwan 1996, 296-301. IEEE Xplore. 10.1109/AFSS.1996.583617.
47. Linkov I., Sahay S., Kiker G., Bridges T., Seager T.P. Multi-criteria decision analysis: a framework for managing contaminated sediments. Strategic Management of Marine Ecosystems 2004, Springer, Berlin (DE). E. Levner, I. Linkov, J.M. Proth (Eds.).
48. Lotov A.V., Bourmistrova V.L., Efremov V.R., Bushenkov V.A., Buber A.L., Brainin A.N. Experience of model integration and Pareto frontier visualization in the search for preferable water quality strategies. Environmental Modeling and Software 2005, 20(2):243-260. (Elsevier). 10.1016/j.envsoft.2003.12.022.
49. Lu C.H., van Ittersum M.K. A trade-off analysis of policy objectives for Ansai, the Loess plateau of China. Agricultural Systems 2003, 79(3):235-246. (Elsevier). 10.1016/j.agee.2003.09.023.
50. Mauchamp A., Chauvelo P., Grillas P. Restoration of floodplain wetlands: opening polders along a costal river in Mediterranean France, Vistre marshes. Journal of Ecological Engineering 2002, 18(5):619-632. (Elsevier). 10.1016/S0925-8574(02)00024-1.
51. Malczewski J. GIS-based land-use suitability analysis: a critical overview. Progress in Planning 2004, 62(1):3-65. (Elsevier). 10.1016/j.progress.2003.09.002.
52. Mendoza G.A., Martins H. Multi-criteria decision analysis in natural resource management: a critical review of methods and new modeling paradigms. Forest Ecology and Management 2006, 230(1-3):1-22. (Elsevier). 10.1016/j.foreco.2006.03.023.
53. Millennium Ecosystem Assessment Ecosystems and Human Well-being: Current State and Trends 2005, Island Press, Washington, DC.
54. Mitch J.W. Wetland creation, restoration, and conservation: a wetland Invitational at the Olentangry river wetland research park. Journal Ecological Engineering 2005, 24(4):241-251. (Elsevier). 10.1016/j.ecoleng.2005.02.006.
55. Mayer, M., 2007. Validierung eines Vegetationsmodells durch Vegetationsaufnahmen einer repräsentativen Stichprobe der Unteren Lobau. Msc thesis, University Vienna, Austria.
56. Mitsch J.W., Gosselink G.J. The value of wetlands: importance of scale and landscape setting. Journal of Ecological Economics 2000, 35(1):23-25. (Elsevier). 10.1016/S0921-8009(00)00165-8.
57. Nationalpark Donau-Auen, 2004. Naturraum- und Management Plan für den NP Donau-Auen/Bereich Wien. Report, pp. 51.
58. Orr H.C., Stanley H.E., Wilson A.K., Finlay C.J. Effects of restoration and reflooding on soil denitrification in a laved Midwestern Floodplain. Journal of Ecological Applications 2007, 17(8):2365-2376. (Ecological Society of America). http://dx.doi.org/10.1890/06-2113.1.
59. Pearson M.J., Shim J.P. An empirical investigation into DSS structure and environments. Decision Support Systems 1995, 13(2):141-158. (Elsevier). 10.1016/0167-9236(93)E0042-C.
60. Pohekar S.D., Ramachandran M. Application of multi-criteria decision making to sustainable energy planning - a review. Renewable and Sustainable Energy Reviews 2003, 8(4):365-381. (Elsevier). 10.1016/j.rser.2003.12.007.
61. Prato T. Multiple-attribute evaluation of ecosystem management for the Missouri River system. Ecological Economics 2003, 45(2):297-309. (Elsevier). 10.1016/S0921-8009(03)00077-6.
62. Reichert P., Borsuk M., Hostmann M., Schweizer S., Spörri C., Tockner K., Truffer B. Concepts of decision support for river rehabilitation. Environmental Modeling & Software 2005, 22(2):188-201. (Elsevier). 10.1016/j.envsoft.2005.07.017.
63. Reckendorfer W., Baranyi C., Funk A., Schiemer F. Floodplain restoration by reinforcing hydrological connectivity: expected effects on aquatic mollusc communities. Journal of Applied Ecology 2006, 43(3):474-484. (Wiley). 10.1111/j.1365-2664.2006.01155.x.
64. Reckendorfer W., Heiler G., Hein T., Keckeis H., Lazowski W., Zulka P. Monitoringkonzept National Donau-Auen 1998, Studie im Auftrag des Nationalpark Donau-Auen, 91pp.
65. Revenga C., Brunner J., Henninger N., Kassem K., Payne R. Pilot Analysis of Global Ecosystems: Freshwater Systems 2000, World Resources Institute, Washington, DC.
66. Rood S.B., Samuelson G.M., Braatne J.H., Gourley C.R., Hughes F.M.R., Mahoney J.M. Managing riverflows to restore floodplain forests. Frontiers in Ecology and the Environment 2005, 3(4):193-201. (JSTOR).
67. Schaich H. Local residents' perceptions of floodplain restoration measures in Luxembourg's Syr Valley. Landscape and Urban Planning 2009, 93(1):20-30. (Elsevier). 10.1016/j.landurbplan.2009.05.020.
68. Shields C.A., Band L.E., Law N., Groffman P.M., Kaushal S.S., Savvas K., Fisher G.T., Belt K.T. Streamflow distribution of non-point source nitrogen export from urban-rural catchments in the Chesapeake Bay watershed. Water Resource Research 2008, 44(9). (American Geophysical Union). 10.1029/2007WR006360.
69. Schiemer F., Baumgartner C., Tockner K. Restoration of floodplain rivers: the 'Danube restoration project'. Regulated Rivers: Research & Management 1999, 15(1-3). (Wiley). 10.1002/(SICI)1099-1646(199901/06).
70. Schiemer F., Hein T., Peduzzi P. Hydrological control of system characteristics of floodplain lakes. Journal of Ecohydrology and Hydrobiology 2006, 6(1-4):7-18.
71. Shim P.J., Warkentin M., Courtney F.J., Power J.D., Sharda R., Carlsson C. Past, present and future trends of decision support technology. Decision Support Systems 2002, 33(2):111-126. (Elsevier). 10.1016/S0167-9236(01)00139-7.
72. Sheppard R.J.S., Meitner M. Using multi-criteria analysis and visualization for sustainable forest management planning with stakeholder groups. Forest Ecology and Management 2005, 207(1-2):178-187. (Elsevier). 10.1016/j.foreco.2004.10.032.
73. Simenstad C., Reed D., Ford M. When is restoration not? Incorporating landscape-scale processes to restore self-sustaining ecosystems in coastal wetland restoration. Journal of Ecological Engineering 2006, 26:27-39. (Elsevier). 10.1016/j.ecoleng.2005.09.007.
74. Tappeta V.R., Renaud E.J., Messav A., Sundararaj J.G. Interactive physical programming: trade-off analysis and decision making in multi criteria optimization. Journal of Computational Control 2000, 36(1):219-226. (American Institute of Aeronautics and Astronautics).
75. Tecle A., Fogel M.M., Duckstein L. Multicriterion analysis of forest watershed management alternatives. Journal of the American Water Resources Association 1998, 24(6):1169-1178. (Wiley). 10.1111/j.1752-1688.1988.tb03035.x.
76. The Economics of Ecosystems and Biodiversity Mainstreaming the Economics of Nature: a Synthesis of Approach, Conclusions and Recommendations of TEEB 2010, CBD, Nagoya.
77. Thoms C.M. Floodplain-river ecosystems: lateral connections and the implications of human interference. Journal of Geomorphology 2003, 56(3-4):335-349. (Elsevier). 10.1016/S0169-555X(03)00160-0.
78. Tockner K., Standford J.A. Riverine flood Plains: present state and future trends. Journal of Environmental Conservation 2002, 29(3):308-330. (Foundation for Environmental Conservation). 10.1017/S037689290200022X.
79. Tong C., Feagin A.R., Lu J., Zhang X., Zhu X., Wang W., He W. Ecosystem service values and restoration in the urban Sanyang wetland of Wenzhou, China. Ecological Engineering 2006, 27(3):249-258. (Elsevier). 10.1016/j.ecoleng.2006.03.002.
80. Tritthart M., Welti N., Kunze-Bondar E., Pinay G., Hein T., Habersack H. Modelling highly environmental factors to assess potential microbial respiration in complex floodplain landscapes. Journal of Environmental Modelling & Software 2011, 26(9):1097. (Elsevier). 10.1016/j.envsoft.2011.04.001.
81. Turner K.R., van den Bergh M.J.C.J., Söderqvist T., Barendregt A., van der Straaten J., Maltby E., van Lerland E.C. Ecological-economic analysis of wetlands: scientific integration for management and policy. Ecological Economics 2000, 35(1):7-23. (Elsevier). 10.1016/S0921-8009(00)00164-6.
82. Van Huylenbroeck G. Multicriteria tools for trade-off analysis in rural planning between economic and environmental objectives. Journal of Applied Mathematics and Computation 1998, 83(2-3). (Elsevier). 10.1016/S0096-3003(96)00188-9.
83. Walter D., Shrubsole D. Agriculture drainage and wetland management in Ontario. Journal of Environmental Management 2003, 69(4):369-379. (Elsevier). 10.1016/j.jenvman.2003.09.013.
84. Wanyama T., Far H.B. Qualitative reasoning model for trade-off analysis. Modeling Decisions for Artificial Intelligence Proceedings 2005, 3558:55-70. (SpringerLink). 10.1007/11526018_11.
85. Weigelhofer G., Blaschke P.A., Haidvogl G., Hohensinner S., Reckendorfer W., Reiter K., Schuh B., Hein T. Optima Lobau: an interdisciplinary scientific approach evaluating future scenarios in an urban floodplain. Proceedings 36th International Conference of IAD 2006, 55-60. Austrian Committee Danube Research/IAD, Vienna.
86. Weigelhofer G., Hein T., Hirzinger-Kucera V., Zornig H., Schiemer F. Hydrological improvements of a former floodplain in an urban area: potential and limits. Journal Ecological Engineering 2011, 37(10):1507-1514. (Elsevier). 10.1016/j.ecoleng.2011.05.005.
87. Woźniak P. Preferences in evolutionary multi-objective optimization with Noise Fitness functions: hardware in the loop study. Proceedings of the 2nd International Multi conference on Computer Science and Information Technology 2007, 337-346. ISSN: 1896-7094.
88. Xevi E., Khan S. A multi-objective optimization approach to water management. Journal of Environmental Management 2005, 77(4):269-277. (Elsevier). 10.1016/j.jenvman.2005.06.013.
89. Yoe C. Trade-off Analysis Planning and Procedures Guidebook 2002, IWR 02-R-2, U.S. Army Corps of Engineers, 4th of April 2011. http://www.iwr.usace.army.mil/docs/iwrreports/02-R-2.pdf.
90. Zedler B.J., Kercher S. Wetland resources: status, trends, ecosystem services, and restorability. Annual Review of Environment and Resources 2005, 30:39-74. (Annual Reviews). 10.1146/annurev.energy.30.050504.144248.
91. Zornig H., Weigelhofer G., Kucera-Hirzinger V., Hein T., Görnet B., Schiemer F. Water enhancement scheme Lobau - a conservation strategy for an urban floodplain in Vienna (Austria). Proceedings 36th International Conference of IAD 2006, 65-69. Austrian Committee Danube Research/IAD.