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Assessment of the eco-hydrology of a groundwater fed wetland in relation to the surrounding gravel aquifer on example of a study from Ireland

Autorzy
Treść / Zawartość
Identyfikatory
Warianty tytułu
Konferencja
Groundwater quality sustainability : XXXVIII IAH Congress in Kraków
Języki publikacji
EN
Abstrakty
EN
Fens are wetlands, which accumulate peat and have ground water as their dominant hydrologic input. Groundwater discharge to a fen is the critical factor controlling its ecology and an understanding of hydro-ecological links is critical in the assessment of likely impacts on a wetland, which typically could arise from groundwater abstraction, drainage or agricultural practice. The significance of groundwater to fens was increased with implementation of the EU Water Framework Directive (WFD), under which fens classify as groundwater dependent terrestrial ecosystems (GWDTE) and must be included in River Basin Management plans. The specific interest of the study was set on the conservation requirements of Vertigo geyeri snail and the habitat it lives in. The snail was chosen as being a sensitive indicator of habitat change in spring-fed wetland of Pollardstown. Very detailed investigations revealed that the preferred environment for existence of the snail is a consistently damp atmosphere with relative humidity varying between 80–95%, very small fluctuations in phreatic level of ±10 cm about a stable mean and soil moisture content within the moss substrate at 80–90% saturation levels. In order to meet these requirements an upward vertical hydraulic gradient is required at a rate sufficient to exceed the counterbalance of evapotranspiration at the fen surface.
Słowa kluczowe
Rocznik
Strony
83--92
Opis fizyczny
Bibliogr. 35 poz., rys., tab., wykr.
Twórcy
  • Polish Geological Institute – National Research Institute, Rakowiecka 4, 00-975 Warszawa, Poland
Bibliografia
  • 1. ALLEN R.G., PEREIRA L.S., RAES D., SMITH M., 1998 — Crop evapotranspiration: Guidelines for computing crop water requirements. FAO Irrigation and Drainage Paper 56. Food and Agriculture Organization for the United Nations, Rome.
  • 2. BRITISH STANDARDS INSTITUTION, 1990 — BS1377: Methods of test for soils for civil engineering purposes. General requirements and sample preparation. BSI, London.
  • 3. CAMERON R.A., 2003 — Life-cycles, molluscan and botanical associations of Vertigo angustior and Vertigo geyeri. Heldia, 5: 95–110.
  • 4. CAMERON R.A., COLVILLE B., FALKNER G., HOLYOAK G., HORNUNG E., KILLEEN I., MOORKENS E., POKRYSZKO B., VON PROSCHWITZ T., TATTERSFIELD P., VALOVIRTA I., 2003 — Species accounts for snails of the genus Vertigo listed in Annex II of the Habitats Directive: V. angustior, V. genesii, V. geyeri and V. moulinsiana. Heldia, 5: 151–170.
  • 5. COLVILLE B., 1996 — Vertigo geyeri Lindholm 1925, Background information on invertebrates of the Habitats Directive and the Bern Convention. Part III: Mollusca and Echinodermata. Nature and Environment, 81: 478–481.
  • 6. DALY D., 1981 — Pollardstown Fen: A hydrological assessment of the effects of drainage on the water supply to the Grand Canal. Geological Survey of Ireland report, Dublin.
  • 7. ERTSEN A., FRENS J., NIEUWENHUIS J., WASSE M., 1995 — An approach to modeling the relationship between plant species and site conditions in terrestrial ecosystems. Landscape and Urban Planning, 31: 143–151.
  • 8. EUROPEAN COMMISSION 1992 Council Directive (92/43/EC) of 21st May 1992 on the conservation of natural habitats and wild fauna and flora. Official J. European Communities L220/32. Brussels.
  • 9. EUROPEAN COMMISSION 2000 Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field water policy. Official J. European Communities, L327, Brussels.
  • 10. HAYES T., CULLEN K., SUTTON S., FAHERTY J., 2001 — The Curragh aquifer: current conceptual understanding and numerical modelling. Proceedings of the IAH (Irish Group) Seminar “Gravel Aquifers”. Tullamore.
  • 11. KEDDY P.A., 2000 — Wetland ecology. Principles and conservation. Cambridge Uiversity Press.
  • 12. KILLEEN I.J., 2003 — A review of EUHSD Vertigo species in England and Scotland. Heldia, 5: 73–84.
  • 13. KUCZYŃSKA A., 2008 — Eco-hydrology of Pollardstown Fen, Co. Kildare, Ireland. [PhD thesis] Trinity College, Dublin.
  • 14. KUCZYŃSKA A., JOHNSTON P., MISSTEAR B., 2009 — Groundwater–surface water interactions at a fen margin: hydrological controls on the micro-habitat of an indicator snail species Vertigo geyeri. Proc. of JS.1 at the Joint IAHS & IAH Convention, Hyderabad, India, September 2009. IAHS Publ., 328: 151–160.
  • 15. KUCZYŃSKA A., MOORKENS E., 2010 — Micro-hydrological and micro-meteorological controls on survival and population growth of the whorl snail Vertigo geyeri Lindholm, 1925 in groundwater fed wetlands. Biological Conservation, 143: 1868–1875.
  • 16. LLOYD J.W., TELLAM J.H., 1995 — Groundwater-fed wetlands in the UK. Hydrology and hydrochemistry of British wetlands (ed. J. Hughes, L. Heathwaite). Wiley & Sons, Chichester.
  • 17. MCCARTNEY M., DE LA HERA A., 2004 — Hydrological assessment for wetland conservation at Wicken Fen. Wetlands Ecology and Management, 12: 189–204.
  • 18. MACIAK F., LIWSKI S., 1996 — Ćwiczenia z torfoznawstwa. SGGW, Warszawa.
  • 19. MISSTEAR B.D.R., BROWN L., JOHNSTON P.M., 2008 — Estimation of groundwater recharge in a major sand and gravel aquifer in Ireland using multiple approaches. Hydrogeol. J., 17: 693–706.
  • 20. MOORKENS E.A., 2006 — Irish non-marine molluscs – an evaluation of species threat status. Bull. Irish Biogeograph. Soc., 30: 348–371.
  • 21. MOORKENS E.A., 2007 — Conservation assessment of Geyer’s whorl snail V. geyeri in Ireland. Report to National Parks and Wildlife Service, Dublin.
  • 22. NIEMI G., MCDONALD M., 2004 — Application of ecological indicators. Ann. Rev. Ecol. Evolution and Systematics, 35: 89–111.
  • 23. PEZESHI S.R., 2001 — Wetland Plant responses to soil flooding. Environ. Experiment. Botany, 44: 299–312.
  • 24. POKRYSZKO B.M., 2003 — Vertigo of continental Europe – autecology, threats and conservation status. Heldia, 5: 13–25.
  • 25. PORPORATO A., D’ODORICO P., LAIO F., RIDOLFI L., RODRIGUEZ-ITURBE I., 2002 — Eco-hydrology of water-controlled ecosystems. Advances in Water Resources, 25: 1335–1348.
  • 26. REEVES D.M., WOESSNER W.W., 2004 — Hydrologic controls on the survival of Water Howelia and implications on land management. J. Hydrol., 287: 1–18.
  • 27. RODRIGUEZ-ITURBE I., PORPORATO A., 2004 — Eco-hydrology of water-controlled ecosystems. Cambridge University Press.
  • 28. TONER M., KEDDY P., 1997 — River hydrology and riparian wetlands: a predictive model for ecological assembly. Ecol. Applic., 7: 236–246.
  • 29. VAN WIRDUM G., 1991 — Vegetation and hydrology of floating rich-fens. [PhD Thesis] University of Amsterdam.
  • 30. VAN WIRDUM G., 1998 — A short prickstocking survey of some central Irish bogs (unpublished report).
  • 31. WHEELER B.D., SHAW S.C., 1995 — Plants as hydrogeologists? An assessment of the value of plants as indicators of water condition in fens. In: Hydrology and hydrochemistry of British wetlands (ed. J. Hughes, L. Heathwaite). Wiley & Sons, Chichester.
  • 32. WHEELER B.D., SHAW S.C., FOJT W.J, ROBBERTSON R.A., 1995 — Restoration of temperate wetlands. Wiley & Sons, Chichester.
  • 33. WIERDA A., FRESCO L., GROOTJANS A., VAN DIGGELEN R. 1997 — Numerical assessment of plant species indicators of the groundwater regime. J. Vegetation Sc., 8: 707–716.
  • 34. WYG LTD., 2002 — Fen interface study. Report for Kildare Co. Council (unpublished).
  • 35. WYG LTD., 2004 — Pollardstown Fen Interpretive Report (Review of 1997–2003 Work Progress). Report for Kildare Co. Council (unpublished).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-5ca999a4-220e-4751-b8c1-cf1b8f816539
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