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European Diatom Database-Welsh TP Dataset
Entry ID: uk_nc_eddi_wales


Summary
Abstract: The European Diatom Database (EDDI) is a web-based information system designed
to enhance the application of diatom analysis to problems of surface water
acidification, eutrophication and climate change.

This dataset includes 11 lakes distributed throughout Wales including small,
shallow and large, deep waterbodies. All lakes are circumneutral to alkaline
and cover a long total phosphorus gradient. Surface sediment samples were
collected by University College London during 1993-1994 and diatoms were
counted by Helen Bennion and Tim Allott. The dataset is part of a project which
aimed to develop an integrated biological classification scheme for 30 Welsh
lakes (Allott & Monteith, 1999). These sites form part of a larger diatom-total
phosphorus training set of 152 NW European lakes (Bennion et al., 1996a).
Palaeolimnological studies have been undertaken at a number of these sites
(e.g. Bennion, 1995, 1996; Bennion & Appleby, 1999; Bennion et al., 1996b,
1997a. 1997b, 1998).

Parent DIF
This description is a member of a collection. The collection is described in
uk_nc_eddi


Geographic Coverage
 N: 53.27 S: 51.97  E: -3.83  W: -4.32

Data Set Citation
Dataset Originator/Creator: Helen Bennion
Dataset Title: European Diatom Database-Welsh TP Dataset
Dataset Release Place: Newcastle upon Tyne, United Kingdom
Dataset Publisher: The University of Newcastle
Online Resource: http://craticula.ncl.ac.uk/Eddi/jsp/datasetdesc.jsp?DatasetId=CCW


Temporal Coverage
Start Date: 1993-01-01
Stop Date: 1994-01-01


Location Keywords
CONTINENT > EUROPE > NORTHERN EUROPE > BRITISH ISLES > UNITED KINGDOM > Wales


Science Keywords
TERRESTRIAL HYDROSPHERE >SURFACE WATER >LAKES >LAKEWATER CHEMICAL DATA    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >ALKALINITY    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CHLOROPHYLL    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CONDUCTIVITY    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >NITROGEN COMPOUNDS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >PH >LAKEWATER PH TRANSFER FUNCTION    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >TRACE METALS    [Definition]
LAND SURFACE >EROSION/SEDIMENTATION >SEDIMENT CHEMISTRY >SURFACE SEDIMENT SAMPLES    [Definition]
LAND SURFACE >EROSION/SEDIMENTATION >SEDIMENTS >SURFACE SEDIMENT SAMPLES    [Definition]
BIOLOGICAL CLASSIFICATION >PROTISTS >DIATOMS    [Definition]
BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE >DIATOMS >DIATOM
BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE >DIATOMS
BIOSPHERE >AQUATIC ECOSYSTEMS >LAKES    [Definition]


ISO Topic Category
BIOTA
ENVIRONMENT
GEOSCIENTIFIC INFORMATION
INLAND WATERS


Access Constraints
None


Use Constraints
None


Keywords
The European Diatom Database
surface-sediment diatom assemblages
surface water acidification
eutrophication
climate change
Plantae
Plant
Chromista
Bacillariophyta
alkalinity
calcium
chlorophyll-a
chloride
conductivity
magnesium
maximum depth of lake
nitrate
pH
potassium
silica
sodium
soluable reactive phosphorus
sulphate
total phosphorus
water depth of diatom sample in meteres
CONSERVATION


Data Set Progress
COMPLETE


Data Center
European Diatom Database, University of Newcastle, UK    [Information]
Data Center URL: http://craticula.ncl.ac.uk/Eddi/jsp/
Dataset ID: CCW

Data Center Personnel
Name: STEPHEN JUGGINS
Phone: 44 191 222 8799
Fax: 44 191 222 5421
Email: Stephen.Juggins at ncl.ac.uk
Contact Address:
University of Newcastle
Department of Geography
Newcastle upon Tyne
NEI 7RU
Country: UNITED KINGDOM



Distribution
Fees: None


Personnel
HELEN BENNION
Role: TECHNICAL CONTACT
Phone: 44 20 7679 5550
Fax: 44 20 7679 7565
Email: hbennion at geog.ucl.ac.uk
Contact Address:
Environmental Change Research Centre,
Department of Geography,
26 Bedford Way, University College London,
London WC1H 0AP, UK
http://www.geog.ucl.ac.uk/~hbennion/


TYLER B. STEVENS
Role: DIF AUTHOR
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA


Publications/References
Allott, T.E.H. & Monteith, D.T. (1999). Classification of lakes in Wales for
conservation using integrated biological data.. CCW Contract Science Report No.
314.

Bennion, H. (1995). Quantitative reconstructions of the nutrient histories of
three Anglesey lakes. CCW Contract Science Report No. 87.

Bennion, H., Duigan, C. A., Haworth, E. Y., Allott, T. E. H., Anderson, N. J.,
Juggins, S. & Monteith, D. T. (1996b) The Anglesey Lakes, Wales, UK- Changes in
trophic status of three standing waters as inferred from diatom transfer
functions and their implications for conservation. Aquatic Conservation: Marine
and Freshwater Ecosystems, 6, 81-92.

Bennion, H., Juggins, S. & Anderson, N. J. (1996a) Predicting epilimnetic
phosphorus concentrations using an improved diatom-based transfer function and
its application to lake eutrophication management. Environmental Science and
Technology, 30, 2004-2007.

Bennion, H. (ed). (1996) A study of recent environmental change within selected
standing waters proposed as Special Areas of Conservation. A report to the
Countryside Council for Wales by ENSIS Ltd. Environmental Change Research
Centre, Research Report No. 22, University College London.

Bennion, H., Shilland, E. & Appleby, P.G. (1997b) A study of recent
environmental change at Llyn Tegid (Lake Bala), Wales. A Report to the
Environment Agency. Environmental Change Research Centre, Research Report
No.36 University College London.

Bennion, H., Allott, T.E.H., Appleby, P.G., Hunt, M., Oliver, E. & Patrick,
S.T. (1997a) A study of recent environmental change within selected standing
waters proposed as Special Areas of Conservation (SAC) in Wales - Llyn Idwal,
Llyn Cwellyn and Llyn Safadden (Llangorse Lake) Phase II. CCW Research Report
No. 187.

Bennion, H., Allott, T.E.H. & Shilland, E. (1998). Investigation of
environmental change in two mesotrophic lakes in Mid-Wales: Llyn Eiddwen and
Llyn Fanod. Final report to CCW by ENSIS Ltd. Environmental Change Research
Centre, Research Report No. 46, University College London.

Bennion, H. & Appleby, P.G. (1999) An assessment of recent environmental change
i Llangorse Lake using palaeolimnology. Aquatic Conservation: Marine and
Freshwater Ecosystems, 9, 361-375.

Creation and Review Dates
DIF Creation Date: 2002-09-23
Last DIF Revision Date: 2016-01-27
Future DIF Review Date: 2003-09-23



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