Liverpool Local Plan Habitat Regulations Assessment September 2016
Total Page:16
File Type:pdf, Size:1020Kb
The Draft Liverpool Local Plan Habitat Regulations Assessment September 2016 liverpool.gov.uk Liverpool City Council — Liverpool Local Plan HRA Liverpool Local Plan Habitats Regulations Assessment (HRA) 5th July 2016 60470919 Prepared for: Liverpool City Council Liverpool City Council — Liverpool Local Plan HRA REVISION SCHEDULE Rev Date Details Prepared by Reviewed by Approved by 1 8th July 2016 Draft for client comment Lisa Rigby Dr James Riley Dr James Riley Senior Ecologist Associate Associate Director Director MCIEEM CEnv MCIEEM CEnv MCIEEM This report has been prepared and provided in accordance with the Code of Professional Conduct of the Chartered Institute of Ecology and Environmental Management. AECOM Exchange Court 1 Dale Street Liverpool L2 2ET United Kingdom Tel: +44 (0)151 331 8900 www.AECOM.com LIVERPOOL LOCAL PLAN HRA July 2016 Liverpool City Council — Liverpool Local Plan HRA AECOM Infrastructure and Environment UK Ltd AECOM Infrastructure & Environment UK Limited (“AECOM”) is a wholly owned subsidiary through which AECOM operates in the UK. Limitations AECOM has prepared this Report for the sole use of Liverpool City Council (“Client”) in accordance with the Agreement under which our services were performed. No other warranty, expressed or implied, is made as to the professional advice included in this Report or any other services provided by AECOM. This Report is confidential and may not be disclosed by the Client nor relied upon by any other party without the prior and express written agreement of AECOM. The conclusions and recommendations contained in this Report are based upon information provided by others and upon the assumption that all relevant information has been provided by those parties from whom it has been requested and that such information is accurate. Information obtained by AECOM has not been independently verified by AECOM, unless otherwise stated in the Report. The methodology adopted and the sources of information used by AECOM in providing its services are outlined in this Report. The work described in this Report was undertaken in June and July 2016 and is based on the conditions encountered and the information available during the said period of time. The scope of this Report and the services are accordingly factually limited by these circumstances. Where assessments of works or costs identified in this Report are made, such assessments are based upon the information available at the time and where appropriate are subject to further investigations or information which may become available. AECOM disclaim any undertaking or obligation to advise any person of any change in any matter affecting the Report, which may come or be brought to AECOM’ attention after the date of the Report. Certain statements made in the Report that are not historical facts may constitute estimates, projections or other forward- looking statements and even though they are based on reasonable assumptions as of the date of the Report, such forward- looking statements by their nature involve risks and uncertainties that could cause actual results to differ materially from the results predicted. AECOM specifically does not guarantee or warrant any estimate or projections contained in this Report. Where field investigations are carried out, these have been restricted to a level of detail required to meet the stated objectives of the services. The results of any measurements taken may vary spatially or with time and further confirmatory measurements should be made after any significant delay in issuing this Report. Copyright © This Report is the copyright of AECOM Infrastructure & Environment UK Limited. Any unauthorised reproduction or usage by any person other than the addressee is strictly prohibited. LIVERPOOL LOCAL PLAN HRA July 2016 Liverpool City Council — Liverpool Local Plan HRA TABLE OF CONTENTS 1 INTRODUCTION ............................................................... 4 1.1 Background to Habitats Regulations Assessment ...... 4 1.2 Liverpool Local Plan ........................................................ 3 2 METHODOLOGY .............................................................. 5 2.1 Introduction ...................................................................... 5 2.2 A Proportionate Assessment ......................................... 5 2.3 The Process of HRA ........................................................ 6 2.4 Task 1: Test of Likely Significant Effect (Screening) ... 8 2.5 Physical Scope of the HRA ............................................. 8 2.6 The ‘In Combination’ Scope ......................................... 10 2.7 John Lennon Liverpool Airport Expansion ................. 13 2.8 Mersey Ports Masterplan and Port Expansion at Seaforth ......................................................................................... 13 2.9 Consultation ................................................................... 14 3 PATHWAYS OF IMPACT................................................ 15 3.1 Introduction .................................................................... 15 3.2 Disturbance .................................................................... 15 3.2.1 Breeding birds (March to August) ................................ 15 3.2.2 Wintering and passage birds (August – May) ............. 15 3.2.3 Other activities causing disturbance .......................... 16 3.3 Mechanical/abrasive damage and nutrient enrichment19 3.4 Atmospheric pollution ................................................... 20 3.4.1 Local air pollution .......................................................... 22 3.4.2 Diffuse air pollution ....................................................... 22 3.5 Water resources ............................................................. 23 3.6 Water quality .................................................................. 24 3.1 Port Development, Shipping and Dredging ................ 25 3.2 Coastal squeeze ............................................................. 25 3.3 Loss of functionally-linked land outside of the European site boundary ................................................................. 26 4 HRA – TEST OF LIKELY SIGNIFICANT EFFECTS ...... 28 4.1 HRA of Liverpool Local Plan ........................................ 28 5 MERSEY ESTUARY SPA AND RAMSAR SITE ............ 32 5.1 Introduction .................................................................... 32 5.2 Reasons for Designation .............................................. 32 LIVERPOOL LOCAL PLAN HRA July 2016 Liverpool City Council — Liverpool Local Plan HRA The Mersey Estuary is designated an SPA under Article 4.1 ...... 32 5.3 Historic trends and existing pressures ....................... 33 5.4 Key potential pressures from Liverpool ...................... 35 5.5 Role of other projects and plans .................................. 35 5.6 Likely Significant Effects .............................................. 37 Disturbance of Qualifying Bird Species ......................................... 37 5.7 Conclusion ..................................................................... 49 6 SEFTON COAST SAC .................................................... 50 6.1 Introduction .................................................................... 50 6.2 Reasons for Designation .............................................. 50 6.3 Historic Trends and Current Pressures....................... 50 6.4 Key Potential Pressures from Liverpool ..................... 51 6.5 Role of Other Projects and Plans ................................. 51 6.6 Likely Significant Effects .............................................. 52 6.7 Conclusion ..................................................................... 55 7 RIBBLE AND ALT ESTUARIES SPA / RAMSAR .......... 56 7.1 Introduction .................................................................... 56 7.2 Reasons for Designation .............................................. 56 7.3 Historic Trends and Current Pressures....................... 57 7.4 Key Potential Pressures from Liverpool ..................... 59 7.5 Role of other Projects and Plans ................................. 59 7.6 Likely Significant Effects .............................................. 60 7.7 Conclusion ..................................................................... 63 8 LIVERPOOL BAY SPA ................................................... 64 8.1 Introduction .................................................................... 64 8.2 Reasons for Designation .............................................. 64 8.3 Historic Trends and Current Pressures....................... 64 8.4 Key Potential Pressures from Liverpool ..................... 65 8.5 Role of other Projects and Plans ................................. 66 8.6 Likely Significant Effects .............................................. 67 8.7 Conclusion ..................................................................... 70 9 MERSEY NARROWS AND NORTH WIRRAL FORESHORE SPA AND RAMSAR ........................................................ 71 9.1 Introduction .................................................................... 71 LIVERPOOL LOCAL PLAN HRA July 2016 Liverpool City Council — Liverpool Local Plan HRA 9.2 Reasons for Designation .............................................. 71 9.3 Historic Trends and Current Pressures....................... 71 9.4 Key Potential Pressures from Liverpool ..................... 73 9.5 Role of other Projects and Plans ................................. 73 9.6 Likely