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Freshwater lake survey: SACs and SSSis

Luckes, S; Bennion, H; Carvalho, L; (2000) Freshwater lake survey: SACs and SSSis. (ECRC Research Reports 69 ). UCL Environmental Change Research Centre: London, UK. Green open access

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Abstract

This is the final report to English Nature on Contract No: EIT 20/23/03 "Freshwater Lake Survey: SACs and SSSis". The objectives of the contract were to: 1. Produce a database of lakes within SSSis, giving details of lake size, reasons for designation, vegetation type, and if known, brief information on impacts and current management 2. Assemble plant records from lake surveys and identify vegetation types 3. Derive a priority set of sites recommended for in-lake and/or catchment surveys 4. Prepare detailed dossiers on nine candidate SAC sites, incorporating proposed generic conservation objectives and management recommendations. This report is largely concerned with the fourth objective, the SAC site accounts. The appendices provide guidance on using the accompanying lakes database (Appendix 1), output on priority sites requiring survey work (Appendix 2), and vegetation types represented in SSSI lakes (Appendix 3). In summary, the contract highlighted a lack of data on current conservation interest and water quality both for particular cSAC sites and many of the remaining SSSI sites. The majority of vegetation surveys were carried out between 1977-1986; very few have been undertaken within the last 5 years. There is a clear urgent need for more regular survey and monitoring at both cSAC sites and other SSSI sites to provide upto-date information on England's lake resource and its current ecological status. Of the cSAC habitats, the most threatened appears to be the "hard oligo-mesotrophic waters with benthic vegetation of Chara formations". This is a rare habitat type within the UK and both English cSAC representatives (Malham Tarn and Hawes Water) show clear declines in conservation interest.

Type: Report
Title: Freshwater lake survey: SACs and SSSis
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.geog.ucl.ac.uk/research/research-centr...
Language: English
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography
URI: https://discovery.ucl.ac.uk/id/eprint/10112410
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