Eco-hydrology: Groundwater flow and site factors in plant ecology

Klijn, Frans; Witte, J.P.M.

doi:10.1007/s100400050180

Cited by 56 publications

(58 citation statements)

References 10 publications

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“…Some individual species seem to correspond to areas of groundwater discharge in the main vegetation survey, but sample numbers are low. These include Caltha palustris which has been recognised elsewhere as a possible indicator of groundwater discharge (Klijn and Witte, 1999;Rosenberry, et al, 2000;Wierda, et al, 1997).…”

Section: Botanical Indicators Of Groundwater Dischargementioning

confidence: 99%

“…However, links between phreatophytes (plants which draw water from the water table) and groundwater discharge are more established in arid and semi-arid regions than more humid regions (Batelaan, et al, 2003). Plants have been regarded as indicators of groundwater discharge in the Netherlands Klijn and Witte, 1999;Lucassen, et al, 2006;van Diggelen, et al, 1988;Wierda, et al, 1997) and Minnesota, USA (Almendinger and Leete, 1998;Batelaan, et al, 2003;Glaser, et al, 1990;Goslee, et al, 1997;Rosenberry, et al, 2000). Research in the UK has focussed on general water requirements of wetland plant communities and species (Gowing, et al, 2002;Newbold and Mountford, 1997;Wheeler, et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Discrete wetland groundwater discharges revealed with a three-dimensional temperature model and botanical indicators (Boxford, UK)

et al. 2015

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Wetlands provide unique goods and services, as habitats of high biodiversity. Hydrology is the principal control on wetland functioning, hence understanding the water source is fundamental. However, groundwater inflows may be discrete and easily missed. Research techniques are required with low cost and minimal impact in sensitive settings. In this study, the effectiveness of using a three-dimensional (3D) temperature model and botanical indicators to characterise groundwater discharge is explored at the CEH (Centre for Ecology and Hydrology) River Lambourn Observatory, Boxford, UK. This comprises a 10-ha lowland riparian wetland, designated for its scientific interest and conservation value. Temperature data were collected in winter at multiple depths down to 0.9 m over approximately 3.6 ha and transformed into a 3D model via ordinary kriging. Anomalous warm zones indicated distinct areas of groundwater upwelling which were concurrent with relic channel structures. Lateral heat propagation from the channels was minimal and restricted to within 5-10 m. Vertical temperature sections within the channels suggest varying degrees of groundwater discharge 2 along their length. Hydrochemical analysis showed warmer peat waters were akin to deeper aquifer waters, confirming the temperature anomalies as areas of groundwater discharge.Subsequently, a targeted vegetation survey identified Carex paniculata as an indicator of groundwater discharge. The upwelling groundwater contains high concentrations of nitrate which is considered to support the spatially restricted growth of Carex paniculata against a background of poor fen communities located in reducing higher-phosphate waters.

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Section: Botanical Indicators Of Groundwater Dischargementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Discrete wetland groundwater discharges revealed with a three-dimensional temperature model and botanical indicators (Boxford, UK)

et al. 2015

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“…This plant has been shown to be a valid indicator of discharge areas in the northern extent of its range (Rosenberry, 2000), but not along the southern margins of its distribution across the United States (Amon, 2002;Pearson and Leoschke, 1992). Goslee and others (1997) describe numerous other plant species that are indicators of ground-water discharge in other locations, and Klijn and Witte (1999) discuss the relation between plants and ground-water flow.…”

Section: Reconnaissance Methods and Strategiesmentioning

confidence: 99%

Draft Technical Protocol for Characterizing Natural Attenuation of Chlorinated Solvent Ground-Water Plumes Discharging into Wetlands

CO¹

2006

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“…Ecologists try to understand why certain species or communities occur where they do by examining three major processes; environmental conditions of the habitat, history or succession of the species, and interaction among the species such as competition or predation (Klijn and Witte, 1999). Light, temperature, water quality, nutrient supply, and sediment type constitute important environmental factors, and groundwater exchange affects all of them directly or indirectly.…”

Section: Fundamental Concepts: Ecologymentioning

confidence: 99%

6. Effects of groundwater exchange on the hydrology and ecology of surface waters

Rosenberry

2001

Journal of Groundwater Hydrology

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Eco-hydrology: Groundwater flow and site factors in plant ecology

Cited by 56 publications

References 10 publications

Discrete wetland groundwater discharges revealed with a three-dimensional temperature model and botanical indicators (Boxford, UK)

Discrete wetland groundwater discharges revealed with a three-dimensional temperature model and botanical indicators (Boxford, UK)

Draft Technical Protocol for Characterizing Natural Attenuation of Chlorinated Solvent Ground-Water Plumes Discharging into Wetlands

6. Effects of groundwater exchange on the hydrology and ecology of surface waters

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