{"id":21,"date":"2014-03-04T11:02:45","date_gmt":"2014-03-04T11:02:45","guid":{"rendered":"http:\/\/johngurnell.wpengine.com\/?page_id=21"},"modified":"2026-02-08T17:48:39","modified_gmt":"2026-02-08T17:48:39","slug":"publications-reports","status":"publish","type":"page","link":"https:\/\/johngurnell.com\/?page_id=21","title":{"rendered":"Reports"},"content":{"rendered":"<p><a href=\"http:\/\/johngurnell.wpengine.com\/wp-content\/uploads\/2014\/03\/Image5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-96\" src=\"http:\/\/johngurnell.wpengine.com\/wp-content\/uploads\/2014\/03\/Image5.jpg\" alt=\"Image5\" width=\"256\" height=\"178\" \/><\/a><\/p>\n<ul>\n<li>Gurnell, A., &amp; Gurnell, J. (2025). Estimating the likely effects of beaver engineering on RCA outcomes at a site. Cartographer 16 pp.<\/li>\n<li>Lloyd, A., Marquand, C. L., Crawley, D., Gilford, E., Kirk, S., Coomber, F., Webb, S. &amp; Gurnell, J. (2023) Summary of Main Survey Findings for The Mammal Society\u2019s National Harvest Mouse Survey 2021-2022 Survey Season. The Mammal Society<strong>: <\/strong>15.<\/li>\n<li>Coomber, F., Le Marquand, C., Crawley, D., Gilford, E., Kirk, S., Lloyd, A., Webb, S. &amp; Gurnell, J. (2023) The Mammal Society\u2019s National Harvest Mouse Survey: Results from the 2021-2022 Survey Season. A report produced by the Mammal Society.<\/li>\n<li>Gurnell, J., reeve, N., Bowen, C., Pettinger, T. Cross, B. &amp; The Royal Parks (2021) Surveys of hedgehogs in The Regent\u2019s Park London 2014-2021.<\/li>\n<li>Mathews, F., Kubasiewicz, LM, Gurnell, J, Harrower, CA, McDonald, RA, Shore, RF (2018) A Review of the Population and Conservation Status of British Mammals. A report by the Mammal Society under contract to Natural England, Natural Resources Wales and Scottish Natural Heritage. . Natural England, Peterborough.<\/li>\n<li>Mathews, F., Kubasiewicz, L. M., Gurnell, J., Harrower, C. A., McDonald, R. A. &amp; Shore, R. F. (2018) A Review of the Population and Conservation Status of British Mammals: Technical Summary, A report by the Mammal Society under contract to Natural England, Natural Resources\u00a0Wales and Scottish Natural Heritage. Natural England, Peterborough: 72.<\/li>\n<li>Gurnell, J., Reeve, N., Bowen, C. &amp; The Royal Parks Foundation (2018) A Study of Hedgehogs in The Regent&#8217;s Park, London. Year 4 &#8211; May and September 2017.<\/li>\n<li>Gurnell, J., Reeve, N., Bowen, C. &amp; The Royal Parks Foundation (2017) A Study of Hedgehogs in The Regent&#8217;s Park, London. Year 3\u00a0 &#8211; May and September 2016. pp. 53.<\/li>\n<li>Gurnell, J., Reeve, N., Bowen, C. &amp; The Royal Parks Foundation (2016) A Study of Hedgehogs in The Regent&#8217;s Park, London &#8211; May and September 2015. pp. 63.<\/li>\n<li>Gurnell, J., Reeve, N., Bowen, C. &amp; The Royal Parks Foundation (2015) A Study of Hedgehogs in The Regent&#8217;s Park, London &#8211; May and September 2014. pp. 102.<\/li>\n<li>McGowan, D. &amp; Gurnell, J. (2015) Small Mammal Survey &#8211; Jersey 2014. The States of Jersey, Channel Islands. pp. 68.<\/li>\n<li>Meredith, A., Gurnell, J. &amp; Lurz, P.W.W. (2014) Arran Squirrel Project &#8211; Final Report. People&#8217;s Trust for Endangered Species. pp. 38.<\/li>\n<li>Gurnell J., Bruemmer C., Lurz P., &amp; Meredith, A. (2013) Monitoring of Squirrel Populations at Foulshaw Moss, Cumbria Wildlife Trust. pp. 11.<\/li>\n<li>Lurz, P.W.W., Burlton, W. &amp; Gurnell, J. (2011) Management Guidance for Red Squirrel Stronghold Forests. Report for Forestry Commission Scotland pp. 22.<\/li>\n<li>Gow D., Gurnell A., Bertoldi W., Finlay J. &amp; Gurnell J. (2010) An assessment of the costs and benefits of maintaining a captive population of beavers (Castor fiber) at two sites in the Brue Valley: Westhay Moor and Catcott Lows. , Somerset Wildlife Trust. pp. 45.<\/li>\n<li>Gurnell J., Lurz P.W.W. &amp; Shirley M.D.F. (2010) Data requirements for grey squirrel management, Queen Mary, University of London. pp. 28.<\/li>\n<li>Gurnell, J., Gurnell, A.M. Demeritt, D., Rushton, S.P., Lurz, P.W.W., Shirley, M.D.F. &amp; Faulkes, C.G. (2009) The environmental and social impacts and feasibility of reintroducing the European beaver to England. Report for Natural England and People&#8217;s Trust for Endangered Species.PP. 109.<\/li>\n<li>Gurnell, J., Lurz, P. W. W. &amp; Shirley, M. D. F. 2010: Data requirements for grey squirrel management. Report for Scottish Natural Heritage. Queen Mary, University of London. pp. 28.<\/li>\n<li>Parrot D., Quy R., Somerwill K., Lurz P.W.W., Rushton S.P.&amp; Gurnell J. (2010) Mapping red squirrel conservation effort In the North of England, Natural England, Sheffield. pp.53.<\/li>\n<li>Gurnell J., Lurz P.W.W., McDonald R., Pepper H. (2009) Practical techniques for surveying and monitoring squirrels, Forestry Commission, Edinburgh. pp. 12.<\/li>\n<li>Parrot D., Quy R., Van Driel K., Lurz P., Rushton S., Gurnell J., Aebischer N. &amp; Reynolds J. (2009) Review of red squirrel conservation activity in Northern England, Natural England, Sheffield. pp. 109.<\/li>\n<li>Lurz, P.W.W., Gurnell, J. &amp; Rushton, S.R.(2007) Assessing the risk of encroachment of grey squirrels into red squirrel forest reserves. Report for Forestry Commission, Edinburgh. 77 pp.<\/li>\n<li>Gurnell, J., Lurz, P.W.W., McDonald, R., Cartmel, S, Rushton, S.P., Tosh, D. Sweeney, O. &amp; Shirley, M.D.F. (2007) Developing a monitoring strategy for red squirrels across the UK. Report for JNCC and PTES. 40pp.<\/li>\n<li>Lurz P.W.W., Gurnell J., Rushton S.R. (2007) Assessing the risk of encroachment of grey squirrels into red squirrel forest reserves, Forestry Commission, Edinburgh. pp. 77.<\/li>\n<li>Burthe, S., Rushton, S., Begon, M., Bennett, M., Chantrey, J.,Lurz, P., McInnes, C., Nettleton, P., Sainsbury, A. &amp; Gurnell, J. (2006) Squirrel poxvirus infection in red (Sciurus vulgaris) and grey squirrels (S. carolinensis). Report for the People&#8217;s Trust for Endangered Species, London. 14pp<\/li>\n<li>Lurz, P.W.W., Rushton, S.P., Shirley, M. &amp; Gurnell, J. (2005) Kielder Forest: developing a disease contingency plan for red squirrel conservation areas. Report for Forest Enterprise, Kielder Forest District and Mammals Trust UK.<\/li>\n<li><span style=\"line-height: 1.5;\">Hare, E. &amp; Gurnell, J. (2005) A review of the control and eradication of vertebrate pests with special reference to the grey squirrel in Europe. Report for European Squirrel Initiative. 135 pp.\u00a0<\/span><\/li>\n<li>\n<p style=\"display: inline !important;\">Gurnell, J. &amp; O\u2019Connor, M. (2004) Ecology and management of water voles Arvicola terrestris and water shrews Neomys fodiens in the Pitsea Marshes. Report for Cleanway Pitsea Marshes Trust. 52 pp.<\/p>\n<\/li>\n<li>Gurnell, J., Sainsbury, A.W., Lloyd, C., Saver, J., Pfeiffer, D. &amp; Newitt, J. (2004) Numbers and welfare of feral pigeons associated with Trafalgar Square, London: before, during and after a period of supplementary food reduction. 65 pp. Greater London Authority, London .<\/li>\n<li>Mayle, B. &amp; Gurnell, J. (2004) Comparison of trap location and bait type for grey squirrel control in conifers. \u00a0Report to the Sustainable Forestry Group, Forestry Commission, Edinburgh. 20 pp.<\/li>\n<li><span style=\"line-height: 1.5;\">Lurz, P. W. W., Rushton, S. P., and Gurnell. J. (2003) Kielder Red Squirrel Project. Report for FE Kielder Forest and Mammals Trust UK. 22 pp.<\/span><\/li>\n<li>Steele, J. &amp; Gurnell, J. (in prep.) Captive breeding red squirrels at Thetford Forest. Report for English Nature, Forestry Commission and the Peoples Trust for Endangered Species.<\/li>\n<li>Dickie, L.A. &amp; Gurnell, J. (in review) The carnivores of Madagascar with particular reference to the fossa (Cryptoprocta ferox). Marwell Scientific Report 2000\/2001.<\/li>\n<li>Dickie, L.A., Gurnell, J., &amp; Winckler, A. (in review) The history, breeding record and management of fossa (Cryptoprocta ferox) in captivity. International Zoo Yearbook<\/li>\n<li>Gurnell, J. &amp; Steele, J. (2002) Grey Squirrel Control for Red Squirrel Conservation &#8211; Thetford Forest.\u00a0 Report for English Nature and the Forestry Commission.<\/li>\n<li>Gurnell, J., Cartmel, S., Lurz, P.W.W. &amp; Rushton, S.P. (2002) Modelling the effects of forest composition and management on conserving red squirrels in Clocaenog Forest, North Wales. Report for FC and CCW.<\/li>\n<li>Brook, G. &amp; Gurnell, J. (2000)\u00a0 Red squirrel monitoring in Parkhurst Forest, Isle of Wight. Forestry Commission, Edinburgh.<\/li>\n<li>Magris, L. &amp; Gurnell, J. (2000) The Jersey Mammal Survey. The States of Jersey, Channel Islands.<\/li>\n<li>Gurnell, J. &amp; Pepper, H. (2000)\u00a0 Squirrel management in woodlands: grey squirrel damage prediction.\u00a0 Unpublished report Forestry Commission.<\/li>\n<li>Gurnell, J., Cartmel, S., Lurz, P.W.W. &amp; Rushton, S.P. (2000) Modelling the effects of forest composiytion and management on conserving red squirrels in Clocaenog Forest, North Wales. Report for FC and CCW.<\/li>\n<li>Gurnell, J. (2000) Badger Survey, Drury Lane Site, Hastings.\u00a0 Report for Knights Cloutman, Haslemere, Sussex.<\/li>\n<li>Brooke, J. &amp; Gurnell, J. (2000)\u00a0 Red squirrel monitoring in Parkhurst Forest, Isle of Wight.\u00a0 Forestry Commission, Edinburgh.<\/li>\n<li>Magris, L. &amp; Gurnell, J. (2000) The Jersey Mammal Survey. The States of Jersey, Channel Islands.<\/li>\n<li>Gurnell, J. &amp; Pepper, H. (2000)\u00a0 Squirrel management in woodlands: grey squirrel damage prediction.\u00a0 Unpublished report Forestry Commission.<\/li>\n<li>Rushton, S.P., Gurnell, J.,\u00a0 Lurz, P.W.W. &amp; Shirley, M.D.F. (1999) Spatially explicit modelling approach to identify potential areas for conserving red squirrels in mainland Britain. Report for Forestry Commission and Joint Nature Conservation Committee.<\/li>\n<li>Rushton, S.P., Gurnell, J. &amp; Lurz, P.W.W. (1999) Modelling the spatial dynamics of parapoxvirus disease in red and grey squirrels: a possible cause of the decline in the red squirrel in the United Kingdom ? Report for JNCC and the PTES.<\/li>\n<li>Rushton, S.P., Gurnell, J., Lurz, P.W.W. &amp; Fuller, R. (1999) Modelling the impacts and costs of grey squirrel control regimes on the viability of red squirrel populations. Report for JNCC and the Forestry Commission.<\/li>\n<li>Lurz, P.W.W, Rushton, S.P. &amp; Gurnell, J. (1998) Red and grey squirrel population modelling: the next phase 1997\/98. Report for the Forestry Commission, Edinburgh 39 pp.<\/li>\n<li>Gurnell, J.\u00a0 Sainsbury, T., Steele, J. &amp; Venning, T. (1998) Conserving the red squirrel (Sciurus vulgaris) in Thetford Forest: red squirrel release 1997. Report for English Nature, Forestry Commission and the People&#8217;s Trust for Endangered Species. English Nature, Peterborough 33 pages.<\/li>\n<li>Gurnell, J. (1997) Badgers at The Ridge, Hastings. Report for English Nature, 6 pp.<\/li>\n<li>Rushton, S.P., Armitage, V.L., Gurnell, J. &amp; Lurz, P.W.W. (1997)\u00a0 Modelling the dynamics of red and grey squirrel populations in relationto controlling grey squirrel populations: A GIS and simulation modelling approach.\u00a0 Forestry Commission, Edinburgh 28pp.<\/li>\n<li>Gurnell, J., Sainsbury, T. and Venning, T. (1997) Conserving the red squirrel in Thetford Forest. Published Report for English Nature, Forestry Commission and the People&#8217;s Trust for Endangered Species. English Nature, Peterborough 113 pages.<\/li>\n<li>Gurnell, J. &amp; Pepper, H. (1996) UK review of grey squirrel control for red squirrel conservation. Joint Nature Conservation Committee, Peterborough.<\/li>\n<li>Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Colstone Road, Fleet, Hampshire. Consultancy report for Colson Stone Partnership.<\/li>\n<li>Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Hawley Park, Surrey. Consultancy report for Colson Stone Partnership.<\/li>\n<li>Gurnell, J. &amp; Venning, T. (1995) The conservation of red squirrels in Thetford Forest. A report to the Second NPI Red Alert UK Forum for Red Squirrel Conservation on the year October 1994 to September 1995.<\/li>\n<li>Dagnall, J., Pepper, H., &amp; Gurnell, J. (1995) Report on the preliminary results from the index trap project. Forestry Commission, Alice Holt, Farnham, Surrey.<\/li>\n<li>Dagnall, J. &amp; Gurnell, J. (1995) Grey squirrel damage prediction: index trapping. Forestry Authority Report on Forest Research 1994, H.M.S.O., London.<\/li>\n<li>Gurnell, J., Clark, M.J. &amp; Feaver, J. (1995) An operational GIS model for red squirrel habitat management. Forestry Commission, Alice Holt, Farnham, Surrey.<\/li>\n<li>Gurnell, J. &amp; Venning, T. (1995) Conserving the red squirrel Sciurus vulgaris in Thetford Forest &#8211; Second Interim Report. Unpublished report to English Nature and Forest Enterprise.<\/li>\n<li>Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Broomgrove, Hastings. Consultancy report for Colson Stone Partnership.<\/li>\n<li>Gurnell, J.\u00a0 &amp; Pepper, H. (1994) Grey squirrel control trials &#8211; New Forest 1994. Forestry Commission, Alice Holt, Farnham, Surrey.<\/li>\n<li>Gurnell, J. (1994) Conserving the red squirrel Sciurus vulgaris in Thetford Forest &#8211; interim report. Forest Enterprise\/English Nature.<\/li>\n<li>Kevlin, F. &amp; Gurnell, J. (1992) Field trials on the effectiveness of Scuttle preventing damage to rose bushes by roe deer, Capreolus capreolus. Report prepared for the Forestry Commission.<\/li>\n<li>Kevlin, F. &amp; Gurnell, J. (1992) Field trials on the effectiveness of Bitrex preventing damage to rose bushes by roe deer, Capreolus capreolus. Report prepared for the Forestry Commission.<\/li>\n<li>Gurnell, J. (1992) Ecological Survey for the Presence of Badgers at Church Hill House Hospital<br \/>\nGurnell, J. (1992) Ecological Survey for the Presence of Badgers and Foxes at Heathfield, East Sussex. Consultancy Report for The Bell Cornwell\u00a0 Partnership.<\/li>\n<li>Gurnell, J. (1991) Assessment of Badgers at Burghfield House together with impact of proposed development. Consultancy Report Colson Stone Partnership.<\/li>\n<li>Gurnell, J. (1991) Ecological Effects of the Status of badgers at Lydden Circuit, Kent and the impact of the proposed development on badgers. Consultancy Report Colson Stone Partnership.<\/li>\n<li>Gurnell, J., Peck, G., Pepper, H.W. &amp; J.Davies (1990) Bone disease in red squirrels. Report prepared for the Forestry Commission, 44pp.<\/li>\n<li>Gurnell, J. &amp; Taylor, J. (1989) The conservation of red squirrels in relation to forest management. Report prepared for the Forestry Commission, 116pp.<\/li>\n<li>Gurnell, J. (1989) Ecological assessment of the bat population at The Grange and Old Coach House.\u00a0 Consultancy Report ERL, London.<\/li>\n<li>Gurnell, J. (1989) The effects of the Emerson Green Development on mammal populations. Consultancy Report ERL, London.<\/li>\n<li>Gurnell, J. (1989) Mammal surveys along urban greenways, Consultancy Report, Geodata Unit, Southampton.<\/li>\n<li>Gurnell, J. (1989) Preliminary ecological assessment on the status of mammals in Area 3 and Area 4 of the royal Naval Stores Depot at Woolston. Consultancy Report, Geodata Unit, Southampton.<\/li>\n<li>Gurnell, J. (1988)\u00a0 An ecological assessment of impact of building proposals on the local badger population\u00a0\u00a0 Hastings. Consultancy Report ERL, London.<\/li>\n<li>Gurnell, J. (1988) The conservation of red squirrels in relation to forest management. Forestry Commission Report on Forest Research 1988:75, H.M.S.O., London.<\/li>\n<li>Gurnell, J. (1987) Ecological assessment of impact on mammal populations with addendum on impact on amphibians and reptiles. Consultancy Report by the Geodata Unit, University of Southampton for British Gas PLC on a Proposed Exploratory Borehole and Access Route in Hampshire.<\/li>\n<li>Gurnell, J. (1986) Report on Rodent Damage. For the Review Group on Research into Biotic Damage, Forestry Research Coordination Committee.<\/li>\n<li>Gurnell, J. (1983) Forest rodent populations. Forestry Commission Report on Forest Research 1983: 65 66, H.M.S.O., London.<\/li>\n<li>Gurnell, J. (1981) Forest rodent populations. Forestry Commission Report on Forest Research 1981: 61 62, H.M.S.O., London.<\/li>\n<li>Gurnell, J. (1980) Forest rodent populations. Forestry Commission Report on Forest Research 1980: 57 58, H.M.S.O., London.<\/li>\n<li>Gurnell, J. &amp; Bealey, C. (1978) Studies on the disappearance of artificial seed supplies in an oak wood in winter\u00a0\u00a0 a report. Unpubl. Report, Wildlife Branch, Forestry Commission.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Gurnell, A., &amp; Gurnell, J. (2025). Estimating the likely effects of beaver engineering on RCA outcomes at a site. Cartographer 16 pp. Lloyd, A., Marquand, C. L., Crawley, D., Gilford, E., Kirk, S., Coomber, F., Webb, S. &amp; Gurnell, J. (2023) Summary of Main Survey Findings for The Mammal Society\u2019s National Harvest Mouse Survey 2021-2022 &hellip; <a href=\"https:\/\/johngurnell.com\/?page_id=21\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Reports<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-21","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johngurnell.com\/index.php?rest_route=\/wp\/v2\/pages\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johngurnell.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johngurnell.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johngurnell.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johngurnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21"}],"version-history":[{"count":0,"href":"https:\/\/johngurnell.com\/index.php?rest_route=\/wp\/v2\/pages\/21\/revisions"}],"wp:attachment":[{"href":"https:\/\/johngurnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}