Hydrogeochemistry of groundwater in coastal wetlands: implications for coastal conservation in Scotland

Malcolm, R.; Soulsby, Christopher

doi:10.1016/s0048-9697(00)00663-x

Cited by 25 publications

(14 citation statements)

References 8 publications

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“…On the other hand, the Lower Gediz Basin's delta contains one of the largest salt flats in Turkey. The leaching of salts during subsequent rainfall events, in combination with evaporation losses, increases the concentrations of Na and Cl in the soil and groundwater (Malcolm and Soulsby 2001). These effects have also dried the reeds; consequently, the reeds require a freshwater source.…”

Section: Hydrochemistrymentioning

confidence: 99%

“…Hydrochemical processes in coastal aquifers are important in sustaining water quality conditions in freshwater wetlands. As such, wetlands are important habitats that contribute to the biodiversity of the coastal zone: it is important that these processes are understood and maintained (Malcolm and Soulsby 2001). Izmir Bird Paradise is located in the southern part of Lower Gediz Basin, which includes the Menemen Plain and Izmir (Fig.…”

Section: Introductionmentioning

confidence: 99%

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Hydrology, hydrogeology and hydrochemistry of wetlands: a case study in Izmir Bird Paradise, Turkey

Somay

Filiz

2003

Env Geol

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Izmir Bird Paradise is one of the most valuable wetlands in Turkey, but this area is now being threatened by the drying out of marshes and water pollution. This wetland consists of two ecosystems: fresh-and saltwater. The recharge of marshes is from rainfall, the Gediz River and groundwater from Can Suyu Pond. The water type of the river is Ca-Mg-Na-HCO 3 -SO 4 , whereas the groundwater is a Na-Cl water type. The reasons for the drying are long-term drought (evapotranspiration at 894 mm is >> rainfall at 546 mm), and excessive pumping of groundwater and seawater intrusion into Menemen Plain. Therefore, an additional freshwater resource is necessary. This water can be supplied from the limestone levels of Neogene sedimentary rocks in and around Izmir Bird Paradise that have a Ca-HCO 3 water type. Water pollution levels were also analysed. In the freshwater ecosystem Cd, Cr, Fe, Mn, Ni, Pb, Sb and Zn values, in the open channel in Izmir Bird Paradise Sb, Fe, Ni and Cd values, and in the river Fe, Pb and Sb values exceed the TSE 266 and EPA 2000 standards probably due to agricultural and industrial sources.

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Section: Hydrochemistrymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hydrology, hydrogeology and hydrochemistry of wetlands: a case study in Izmir Bird Paradise, Turkey

Somay

Filiz

2003

Env Geol

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“…Groundwater quality pertaining to shallow coastal aquifers has recently been studied worldwide for different purposes (Howard and Mullings 1996;Malcom Eser and Rosen 1999;Malcolm and Soulsby 2001). Hydrochemical analysis was performed in the present study to define the potable status of the fresh groundwater resource within the island.…”

Section: Water Qualitymentioning

confidence: 99%

Characteristics of Valadares Island aquifer, Paranaguá coastal plain, Brazil

Babu

Hindi

Filho

et al. 2002

Environmental Geology

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Aquifer characterization in terms of geologic-geomorphological considerations, pumping test and hydrochemistry has been carried out to evaluate the groundwater potential of one of the delicate coastal island systems in Parana State, Brazil. The Valadares Island, lying in the Atlantic coastal zone, represents a stabilized beach ridge having a thickness of more than 20 m unconsolidated quartz-rich sand. Field and laboratory investigations suggest that this homogeneous coastal aquifer can partially meet the local domestic demand of fresh water even though it is in hydraulic continuity with the estuarine and tidal systems of Paranaguá bay. Efficiency of the aquifer to hold and release water was determined by conducting a pumping test in one of the partially penetrating wells in the island for 24 h. The physical, chemical and biological analyses of samples from 12 5-cm diameter wells of the area have indicated that groundwater needs purification for drinking purpose. It is advocated that the groundwater potential of the island aquifer is worth considering for sustained but controlled exploitation.

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“…Dune slacks are particularly species rich for plant species, supporting many orchid species and of particular importance for a number of bryophytes including the EU Habitats Directive Annex II-listed petalwort (Petalophyllum ralfsii). Locally, damp sand dune grassland and dune slacks are important breeding and over-wintering resources for populations of waders (Malcolm and Soulsby, 2001). Dune habitats are particularly important for invertebrates, especially aculeate hymenoptera (bees, wasps and ants) (Archer, 1994) such as the vernal sand-mining bee (Colletes cunicularius), dune tiger beetles (Cicindela maritima and Cicindela hybrida) and some spiders (wolf spider Arctosa cinerea and crab spider Philodromus fallax) (Houston, 2008).…”

Section: Introductionmentioning

confidence: 99%

Have we neglected the societal importance of sand dunes? An ecosystem services perspective

Everard

Jones

Watts

2010

Aquatic Conservation

224

114

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ABSTRACT1. Coastal sand dunes are widespread worldwide, including around the coasts of the British Isles and Europe, providing a wide range of functions some of which are recognized for their socio-economic benefits.2. In some localities, their contribution to coastal defence and to tourism and regional character have been acknowledged in local plans, but this is far from ubiquitous.3. A rapid assessment was undertaken of the range of ecosystem services provided by coastal sand dune systems, using the Millennium Ecosystem Assessment ecosystem services classification augmented with habitatand locally-appropriate additions.4. Sand dunes were shown to provide a wide range of provisioning, regulatory, cultural and supporting services, many of which remain substantially overlooked.5. Although the importance of coastal sand dune for a diversity of characteristic and often rare organisms from a variety of taxa has been addressed, many of the broader ecosystem services that these habitats provide to society have been overlooked. This suggests that coastal sand dune systems are neglected ecosystems of significant and often under-appreciated societal value.

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Hydrogeochemistry of groundwater in coastal wetlands: implications for coastal conservation in Scotland

Cited by 25 publications

References 8 publications

Hydrology, hydrogeology and hydrochemistry of wetlands: a case study in Izmir Bird Paradise, Turkey

Hydrology, hydrogeology and hydrochemistry of wetlands: a case study in Izmir Bird Paradise, Turkey

Characteristics of Valadares Island aquifer, Paranaguá coastal plain, Brazil

Have we neglected the societal importance of sand dunes? An ecosystem services perspective

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