Invertebrate Assessment
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Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment FPC-ARP-ZZ-XX-RP-YE-00006 Issue | 13 November 2015 This report takes into account the particular instructions and requirements of our client. It is not intended for and should not be relied upon by any third party and no responsibility is undertaken to any third party. Job number 237135-00 Ove Arup & Partners Ltd 6th Floor 3 Piccadilly Place Manchester M1 3BN United Kingdom www.arup.com Document Verification Job title Former Parkside Colliery Job number 237135-00 Document title Invertebrate Assessment File reference PW-CDE Document ref FPC -ARP-ZZ-XX-RP-YE-00006 Revision Date Filename FPC -ARP-ZZ-XX-RP-YE-00006.docx Issue 13 Nov Description Issue 2015 Prepared by Checked by Approved by Conops Name Amy Martin Simon Small Entomology Ltd Signature Filename Description Prepared by Checked by Approved by Name Signature Filename Description Prepared by Checked by Approved by Name Signature Filename Description Prepared by Checked by Approved by Name Signature Issue Document Verification with Document FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRAT ES FPC-ARP-ZZ-XX-RP-YE- 00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment Contents Page 1 Introduction 3 1.1 Purpose of this Report 3 1.2 Sources of Information 3 2 Methodology 4 2.1 Field work 4 2.1.1 Sweep netting (to target aerial invertebrates and those in vegetation) 4 2.1.2 Grubbing 4 2.1.3 Pond dipping 4 2.2 Target taxa 5 2.3 Desktop study 5 3 Overview of the Site 6 3.1 Site Location 6 3.2 Site History 7 3.3 Site Description 7 4 Species Results 8 4.1 Species Identified On Site 8 4.2 Species Of Importance Identified On Site 16 5 Discussion 17 5.1 Introduction to analysis 17 5.2 Assemblages of importance 18 5.2.1 BATs (Broad Assemblage Type) 18 4.2.2 SATs (Specific Assemblage Type) 19 5.3 Species of importance 20 5.4 Site summary 20 4.4.1 Site assessment 20 5.4.1 Site evaluation 22 6 Recommendations 23 6.1 Mitigation 23 6.2 Scrub fringe 23 6.3 Invertebrate (butterfly) banks 24 6.4 Perennial swards 24 6.5 Super abundances 25 6.6 Juxtapositions and interfaces 26 6.7 Lush ponds 26 FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRA TE S FPC-ARP-ZZ-XX-RP-YE-00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment 6.8 Further surveys 27 7 References 28 Tables Figures Figure 1 - Site Location Appendices Appendix A Red Data Book Appendix B Criteria for defining invertebrate sites of significance. Appendix C Butterfly bank design Appendix D ISIS (2010) FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRA TE S FPC-ARP-ZZ-XX-RP-YE-00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 Page 1 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRA TE S FPC-ARP-ZZ-XX-RP-YE-00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment Executive Summary Ove Arup and Partners Ltd (Arup) were commissioned by Parkside Regeneration LLP (PRLLP) to undertake an invertebrate survey to inform the masterplanning process of the Former Parkside Colliery (FPC) site which is located within the Newton-le-Willows area of St Helens, Merseyside. An invertebrate survey, which involved six survey visits, was undertaken within areas of suitable habitat, during appropriate weather conditions in May, June, July and August 2014 by Conops Entomology Ltd. The survey found a complex (and extensive) range of habitats and features on site which led to a long list of invertebrate Broad Assemblage Types (BATs). The site can be divided into two main invertebrate broad assemblage types; ‘scrub edge with grassland’ and ‘wetlands’. These habitats are made up of relatively common or local invertebrate species with none of principal importance. In terms of Specific Assemblage Types (SATs), of highest value was the ‘rich flower resource’ which had 16 invertebrate species associated with it. There were two invertebrate species of importance recorded on the site: a scavenger water beetle Helochares lividus; and the cinnabar moth Tyria jacobaeae. It was deemed unlikely that the site would support many more species of principal importance or those listed on the Red Data Book. Based on the results of the 2015 surveys, the species composition is largely concentrated around the scrub fringe/grassland interface, flower-rich swards and wetland features that can be compartmentalised as lush ponds with open water and marshy grassland. Many invertebrates require a range of features and habitats to fulfil their complex lifecycles and as such the juxtaposition of these habitats and features are of high value and it is where all these habitats are in close proximity that they are recommended for retaining. Where this is not possible then new, suitable features are recommended for creation. The scrub fringe is recommended for retention or creation of new scrub planting. Where scrub needs to be planted, it should provide a long flowering season. It is suggested that invertebrate/butterfly banks would add variety and valuable habitat to the site. It is recommended that the dense flowering perennial swards/patches should be retained. Where they cannot be retained or translocated, new areas should be created to replicate the features and species currently present on the site. The site has an important rich flower resource. Sowing high-density patches of flowers, translocating key turfs or retaining this feature wherever possible is recommended. The report recommends retaining the wetland areas or creating alternative closely linked lush ponds with a variety of profiles and drawdown zones to support a variety of invertebrate species. In turn this will help support local populations of insectivorous species such as bats. No further surveys are recommended at this time. FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 Page 2 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRA TE S FPC-ARP-ZZ-XX-RP-YE-00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment 1 Introduction Ove Arup and Partners Ltd. (Arup) has been commissioned by Parkside Regeneration LLP (PRLLP) in relation to the masterplanning of the Former Parkside Colliery (FPC) site which is located within the Newton-le-Willows area of St Helens, Merseyside. 1.1 Purpose of this Report The purpose of the report is to summarise the survey and assessment features of invertebrate interest and assemblages of importance which are pertinent to the habitats present at the Former Parkside Colliery site, prior to possible development. 1.2 Sources of Information This report uses field data and reporting by sub-consultant Conops Entomology Ltd., provided to Arup under cover of its report number 05.30.03.15 dated 28/08/2015. FPC-ARP-ZZ-XX-RP-YE-00006 | Issue | 13 November 2015 Page 3 \\GLOBAL\EUROPE\LIVER POOL \JOBS \230000\237135-00\4 INTERNAL PROJECT DATA\4-05 REPORTS\4-05-10 ENVIRONMENTAL\ECOLOGY\JO E'S UPDATED REPORTS\INVERTEBRA TE S FPC-ARP-ZZ-XX-RP-YE-00006.DOCX Parkside Regeneration LLP Former Parkside Colliery Invertebrate Assessment 2 Methodology The invertebrate surveys were undertaken by Andy Jukes, at the time of surveying, Andy had 18 years ecology experience and was recognised as a professional entomologist (fellowship to the Royal Entomological Society). The survey works were undertaken using the following methodology. 2.1 Field work Six survey visits were undertaken during 2015. Details of which are provided below: 08/05/15 – overcast to sunny, windy (15°C); 23/05/15 - overcast to sunny (15-18°C); 12/06/15 – sunny (18-21°C); 03/07/15 – sunny (17-21°C); 18/07/15 – sunny, windy (20-22°C); 18/08/15 – sunny, warm (16-19°C). 2.1.1 Sweep netting (to target aerial invertebrates and those in vegetation) The field surveys employed a number of methods to assess the overall quality of the site and the key features of interest. These methods are defined below: Capture using net – two methods (A&B) of capture were employed to maximise the collection of targeted material. A. Sweep samples: vegetation such as swathes of flowering plants, tall grass, nettle beds and scrub/hedgerows are swept for invertebrates located within the plant material. Material is then sorted within the net bag and key groups and species are collected for later examination. B. Spot sampling: this is the preferred method of collection for the larger, more conspicuous insects such as bees and wasps and is used on flowering herbs such as common bird’s-foot trefoil (Lotus corniculatus) and yellow composites such as dandelion (Taraxacum officinale agg) that help to supplement the sweep samples. 2.1.2 Grubbing Grubbing, which involves ground searching of bare ground and short turf including pond edges for surface running invertebrates, was undertaken intermittently during each visit and across suitable habitat.