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The Severn Estuary / Môr Hafren European Marine Site

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The Severn Estuary / Môr Hafren European Marine Site The Severn Estuary / Môr Hafren European Marine Site comprising : The Severn Estuary / Môr Hafren Special Area of Conservation (SAC) The Severn Estuary Special Protection Area (SPA) The Severn Estuary / Môr Hafren Ramsar Site Natural England & the Countryside Council for Wales’ advice given under Regulation 33(2)(a) of the Conservation (Natural Habitats, &c.) Regulations 1994, as amended. June 2009 A Welsh version of all or part of this document can be made available on request from the Countryside Council for Wales Severn Estuary SAC, SPA and Ramsar Site: Regulation 33 Advice from CCW and Natural England, June 2009 CONTENTS Summary Section 1 Introduction 1.1 Natura 2000 1.2 The Role of Natural England and the Countryside Council for Wales 1.3 The precautionary principle 1.4 The role of other competent and relevant authorities 1.5 Responsibilities under other conservation designations 1.6 Role of the advice provided under Regulation 33 1.7 Condition 1.8 Favourable Condition Tables 1.9 Advice on Operations Section 2 Qualifying features under the EU Habitats and Birds Directives and the Convention on Wetlands of International Importance 2.1 Qualifying interest features of the Severn Estuary / Môr Hafren SAC 2.2 Qualifying interest features of the Severn Estuary / Môr Hafren SPA 2.3 Qualifying interest features of the Severn Estuary / Môr Hafren Ramsar Site Section 3 General description of the Severn Estuary and its designated features 3.1 Estuaries 3.2 Subtidal sandbanks 3.3 Intertidal mudflats and sandflats 3.4 Atlantic salt meadow 3.5 Reef 3.6 Other estuarine habitats : Hard substrate habitats (rocky shores) and eel grass beds 3.7 Fish 3.8 Birds Section 4 Conservation objectives and Favourable ConditionTables 4.1 Conservation objectives for the Severn Estuary / Môr Hafren SAC 4.1.1 SAC interest feature 1: Estuaries 4.1.1.1 Explanatory information for the “estuaries” conservation objective 4.1.2 SAC interest feature 2: Subtidal sandbanks which are covered by sea water all the time (subtidal sandbanks) 4.1.2.1 Explanatory information for the “subtidal sandbanks” conservation objective 4.1.3 SAC interest feature 3 : Mudflats and sandflats not covered by seawater at low tide (mudflats and sandflats) 4.1.3.1 Explanatory information for the “mudflats and sandflats” conservation objective 4.1.4 SAC interest feature 4: Atlantic salt meadow 4.1.4.1 Explanatory information for the “Atlantic salt meadow” conservation objective 4.1.5 SAC interest feature 5 : Reefs 4.1.5.1 Explanatory information for the “reefs” conservation objective 4.1.6 SAC interest feature 6 : River lamprey Lampetra fluviatilis 4.1.6.1 Explanatory information for the river lamprey Lampetra fluviatilis conservation objective 4.1.7 SAC interest feature 7: The conservation objective for sea lamprey Petromyzon marinus 4.1.7.1 Explanatory information for the sea lamprey Petromyzon marinus conservation objective 4.1.8 SAC interest feature 8: The conservation objective for twaite shad Alosa fallax 2 Severn Estuary SAC, SPA and Ramsar Site: Regulation 33 Advice from CCW and Natural England, June 2009 4.1.8.1 Explanatory information for the Twaite shad Alosa fallax conservation objective 4.1.9 Favourable Condition tables for the SAC interest features of the Severn Estuary European Marine Site (Tables 8 – 13) 4.2 Conservation objectives for SPA European Marine Site interest features 4.2.1 SPA Interest feature 1: Internationally important population of regularly occurring Annex 1 species : Bewick’s swan 4.2.1.1 Explanatory information for the Bewick’s swan conservation objective 4.2.2 SPA interest feature 2: Internationally important population of regularly occurring migratory species: wintering European white-fronted goose 4.2.2.1 Explanatory information for the wintering European white-fronted goose objective 4.2.3 SPA interest feature 3: Internationally important population of regularly occurring migratory species: wintering dunlin 4.2.3.1 Explanatory information for the wintering dunlin objective 4.2.4 SPA interest feature 4: Internationally important population of regularly occurring migratory species: wintering redshank 4.2.4.1 Explanatory information for the wintering redshank objective 4.2.5 SPA interest feature 5: Internationally important population of regularly occurring migratory species: wintering shelduck 4.2.5.1 Explanatory information for the wintering shelduck objective 4.2.6 SPA interest feature 6: Internationally important population of regularly occurring migratory species: wintering gadwall 4.2.6.1 Explanatory information for the wintering gadwall objective 4.2.7. SPA interest feature 7: Internationally important assemblage of waterfowl 4.2.7.1 Explanatory information for the internationally important assemblage of waterfowl 4.2.8 Favourable Condition tables for the SPA interest features of the Severn Estuary European Marine Site (Tables 15 – 16) 4.3 Conservation objectives for the Severn Estuary / Môr Hafren Ramsar Site 4.3.1 Ramsar interest feature 1: Estuaries 4.3.1.1 Explanatory information for the Ramsar Site “estuaries” conservation objective 4.3.2 Ramsar interest feature 2: Assemblage of migratory fish species1 4.3.2.1 Explanatory information for the assemblage of migratory fish species conservation objective 4.3.3 Ramsar interest feature 3: Internationally important populations of waterfowl : Bewick’s swan 4.3.4 Ramsar interest feature 4: Internationally important populations of waterfowl : European white-fronted goose 4.3.5 Ramsar interest feature 5: Internationally important populations of waterfowl : dunlin 4.3.6 Ramsar interest feature 6: Internationally important populations of waterfowl : redshank 4.3.7 Ramsar interest feature 7: Internationally important populations of waterfowl : shelduck 4.3.8 Ramsar interest feature 8: Internationally important populations of waterfowl : gadwall 4.3.9 Ramsar interest feature 9: Internationally important assemblage of waterfowl 4.3.10 Favourable Condition tables for the Ramsar Site interest features of the Severn Estuary European Marine Site (Tables 18 – 21) 3 Severn Estuary SAC, SPA and Ramsar Site: Regulation 33 Advice from CCW and Natural England, June 2009 Section 5 Advice on operations from CCW and Natural England 5.1. Purpose of advice 5.2 Methods for assessment 5.2.1 Sensitivity assessment 5.2.2 Exposure assessment 5.2.3 Vulnerability assessment 5.3 Update and review of advice 5.4 Plans and Projects 5.5 Review of consents 5.6 Specific advice on operations for the Severn Estuary SAC 5.6.1 Estuaries feature 5.6.2 Subtidal sandbanks feature 5.6.3 Mudflats and sandflats feature 5.6.4 Atlantic salt meadow feature 5.6.5 Reefs feature 5.6.6 Shad and lamprey features 5.7 Specific advice on operations for the Severn Estuary SPA 5.7.1 Internationally important populations of regularly occurring Annex 1 species (Bewick’s swan) 5.7.2 Internationally important waterfowl assemblage including populations of regularly occurring migratory species 5.8 Advice on operations for the Severn Estuary Ramsar Site Section 6 References Section 7 Glossary List of figures in the text Figure 1 Flow chart showing the relationship between the interest features of the Severn Estuary SAC (shown in white boxes) and their component sub features. Figure 2 Flow chart showing the relationship between the qualifying bird species features (in white boxes) of the Severn Estuary SPA and their supporting habitats Figure 3 Flow chart showing the relationship between the interest features for which the Severn Estuary Ramsar Site qualifies. 4 Severn Estuary SAC, SPA and Ramsar Site: Regulation 33 Advice from CCW and Natural England, June 2009 List of tables in the text Table 1 Summary of notified features of each designation Table 2 Interest features of the SAC Table 3 The qualifying interest features and supporting habitats of the Severn Estuary SPA Table 4 Information on populations of bird species using the Severn Estuary European Marine Site at the time the Severn Estuary SPA was classified (1995). Table 5 Confirmation of the Ramsar Site features in the context of the 1995 and 2005 Ramsar criteria Table 6 Information on populations of bird species using the Severn Estuary Ramsar Site at the time of classification (1995) Table 7 A summary of the qualifying bird features and associated supporting habitats within the Severn Estuary Ramsar Site Table 8 Favourable Condition Table for the “estuaries”interest feature of the Severn Estuary SAC Table 9 Favourable Condition Table for the “subtidal sandbanks” feature of the Severn Estuary SAC Table 10 Favourable Condition Table for the “intertidal mudflats and sandflats” feature of the Severn Estuary SAC Table 11 Favourable Condition Table for the “Atlantic salt meadows” feature of the Severn Estuary SAC Table 12 Favourable Condition Table for the “reefs” feature of the Severn Estuary SAC Table 13 Favourable Condition Table for the “river lamprey” feature and “sea lamprey” feature of the Severn Estuary SAC Table 14 Favourable Condition Table for the “twaite shad” feature of the Severn Estuary SAC Table 15 Favourable Condition Table for the supporting habitats of the bird interest features in the Severn Estuary SPA European Marine Site Table 16 Favourable Condition Table for the qualifying bird features in the Severn Estuary SPA Table 17 Limits of the Ramsar “estuaries” feature Table 18 Favourable Condition Table for the “estuaries”interest feature of the Severn Estuary Ramsar Site Table 19 Favourable Condition Table for the migratory fish assemblage feature of the Severn Estuary Ramsar Site Table
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