Reports

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  • Gurnell, A., Gyrbell, J. Shuker, L. Cartographer (2023) Application of the River Condition Assessment to Canals and Navigable Rivers: An assessment of the threshold values used to assign Preliminary Condition Scores to Final Condition Classes. Report for Canal and River Trust.
  • Lloyd, A., Marquand, C. L., Crawley, D., Gilford, E., Kirk, S., Coomber, F., Webb, S. & Gurnell, J. (2023) Summary of Main Survey Findings for The Mammal Society’s National Harvest Mouse Survey 2021-2022 Survey Season. The Mammal Society: 15.
  • Coomber, F., Le Marquand, C., Crawley, D., Gilford, E., Kirk, S., Lloyd, A., Webb, S. & Gurnell, J. (2023) The Mammal Society’s National Harvest Mouse Survey: Results from the 2021-2022 Survey Season. A report produced by the Mammal Society.
  • Gurnell, J., reeve, N., Bowen, C., Pettinger, T. Cross, B. & The Royal Parks (2021) Surveys of hedgehogs in The Regent’s Park London 2014-2021.
  • 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.
  • Mathews, F., Kubasiewicz, L. M., Gurnell, J., Harrower, C. A., McDonald, R. A. & 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 Wales and Scottish Natural Heritage. Natural England, Peterborough: 72.
  • Gurnell, J., Reeve, N., Bowen, C. & The Royal Parks Foundation (2018) A Study of Hedgehogs in The Regent’s Park, London. Year 4 – May and September 2017.
  • Gurnell, J., Reeve, N., Bowen, C. & The Royal Parks Foundation (2017) A Study of Hedgehogs in The Regent’s Park, London. Year 3  – May and September 2016. pp. 53.
  • Gurnell, J., Reeve, N., Bowen, C. & The Royal Parks Foundation (2016) A Study of Hedgehogs in The Regent’s Park, London – May and September 2015. pp. 63.
  • Gurnell, J., Reeve, N., Bowen, C. & The Royal Parks Foundation (2015) A Study of Hedgehogs in The Regent’s Park, London – May and September 2014. pp. 102.
  • McGowan, D. & Gurnell, J. (2015) Small Mammal Survey – Jersey 2014. The States of Jersey, Channel Islands. pp. 68.
  • Meredith, A., Gurnell, J. & Lurz, P.W.W. (2014) Arran Squirrel Project – Final Report. People’s Trust for Endangered Species. pp. 38.
  • Gurnell J., Bruemmer C., Lurz P., & Meredith, A. (2013) Monitoring of Squirrel Populations at Foulshaw Moss, Cumbria Wildlife Trust. pp. 11.
  • Lurz, P.W.W., Burlton, W. & Gurnell, J. (2011) Management Guidance for Red Squirrel Stronghold Forests. Report for Forestry Commission Scotland pp. 22.
  • Gow D., Gurnell A., Bertoldi W., Finlay J. & 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.
  • Gurnell J., Lurz P.W.W. & Shirley M.D.F. (2010) Data requirements for grey squirrel management, Queen Mary, University of London. pp. 28.
  • Gurnell, J., Gurnell, A.M. Demeritt, D., Rushton, S.P., Lurz, P.W.W., Shirley, M.D.F. & Faulkes, C.G. (2009) The environmental and social impacts and feasibility of reintroducing the European beaver to England. Report for Natural England and People’s Trust for Endangered Species.PP. 109.
  • Gurnell, J., Lurz, P. W. W. & Shirley, M. D. F. 2010: Data requirements for grey squirrel management. Report for Scottish Natural Heritage. Queen Mary, University of London. pp. 28.
  • Parrot D., Quy R., Somerwill K., Lurz P.W.W., Rushton S.P.& Gurnell J. (2010) Mapping red squirrel conservation effort In the North of England, Natural England, Sheffield. pp.53.
  • Gurnell J., Lurz P.W.W., McDonald R., Pepper H. (2009) Practical techniques for surveying and monitoring squirrels, Forestry Commission, Edinburgh. pp. 12.
  • Parrot D., Quy R., Van Driel K., Lurz P., Rushton S., Gurnell J., Aebischer N. & Reynolds J. (2009) Review of red squirrel conservation activity in Northern England, Natural England, Sheffield. pp. 109.
  • Lurz, P.W.W., Gurnell, J. & Rushton, S.R.(2007) Assessing the risk of encroachment of grey squirrels into red squirrel forest reserves. Report for Forestry Commission, Edinburgh. 77 pp.
  • Gurnell, J., Lurz, P.W.W., McDonald, R., Cartmel, S, Rushton, S.P., Tosh, D. Sweeney, O. & Shirley, M.D.F. (2007) Developing a monitoring strategy for red squirrels across the UK. Report for JNCC and PTES. 40pp.
  • 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.
  • Burthe, S., Rushton, S., Begon, M., Bennett, M., Chantrey, J.,Lurz, P., McInnes, C., Nettleton, P., Sainsbury, A. & Gurnell, J. (2006) Squirrel poxvirus infection in red (Sciurus vulgaris) and grey squirrels (S. carolinensis). Report for the People’s Trust for Endangered Species, London. 14pp
  • Lurz, P.W.W., Rushton, S.P., Shirley, M. & 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.
  • Hare, E. & 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. 

  • Gurnell, J. & O’Connor, 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.

  • Gurnell, J., Sainsbury, A.W., Lloyd, C., Saver, J., Pfeiffer, D. & 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 .
  • Mayle, B. & Gurnell, J. (2004) Comparison of trap location and bait type for grey squirrel control in conifers.  Report to the Sustainable Forestry Group, Forestry Commission, Edinburgh. 20 pp.
  • 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.
  • Steele, J. & Gurnell, J. (in prep.) Captive breeding red squirrels at Thetford Forest. Report for English Nature, Forestry Commission and the Peoples Trust for Endangered Species.
  • Dickie, L.A. & Gurnell, J. (in review) The carnivores of Madagascar with particular reference to the fossa (Cryptoprocta ferox). Marwell Scientific Report 2000/2001.
  • Dickie, L.A., Gurnell, J., & Winckler, A. (in review) The history, breeding record and management of fossa (Cryptoprocta ferox) in captivity. International Zoo Yearbook
  • Gurnell, J. & Steele, J. (2002) Grey Squirrel Control for Red Squirrel Conservation – Thetford Forest.  Report for English Nature and the Forestry Commission.
  • Gurnell, J., Cartmel, S., Lurz, P.W.W. & 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.
  • Brook, G. & Gurnell, J. (2000)  Red squirrel monitoring in Parkhurst Forest, Isle of Wight. Forestry Commission, Edinburgh.
  • Magris, L. & Gurnell, J. (2000) The Jersey Mammal Survey. The States of Jersey, Channel Islands.
  • Gurnell, J. & Pepper, H. (2000)  Squirrel management in woodlands: grey squirrel damage prediction.  Unpublished report Forestry Commission.
  • Gurnell, J., Cartmel, S., Lurz, P.W.W. & 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.
  • Gurnell, J. (2000) Badger Survey, Drury Lane Site, Hastings.  Report for Knights Cloutman, Haslemere, Sussex.
  • Brooke, J. & Gurnell, J. (2000)  Red squirrel monitoring in Parkhurst Forest, Isle of Wight.  Forestry Commission, Edinburgh.
  • Magris, L. & Gurnell, J. (2000) The Jersey Mammal Survey. The States of Jersey, Channel Islands.
  • Gurnell, J. & Pepper, H. (2000)  Squirrel management in woodlands: grey squirrel damage prediction.  Unpublished report Forestry Commission.
  • Rushton, S.P., Gurnell, J.,  Lurz, P.W.W. & 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.
  • Rushton, S.P., Gurnell, J. & 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.
  • Rushton, S.P., Gurnell, J., Lurz, P.W.W. & 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.
  • Lurz, P.W.W, Rushton, S.P. & Gurnell, J. (1998) Red and grey squirrel population modelling: the next phase 1997/98. Report for the Forestry Commission, Edinburgh 39 pp.
  • Gurnell, J.  Sainsbury, T., Steele, J. & 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’s Trust for Endangered Species. English Nature, Peterborough 33 pages.
  • Gurnell, J. (1997) Badgers at The Ridge, Hastings. Report for English Nature, 6 pp.
  • Rushton, S.P., Armitage, V.L., Gurnell, J. & Lurz, P.W.W. (1997)  Modelling the dynamics of red and grey squirrel populations in relationto controlling grey squirrel populations: A GIS and simulation modelling approach.  Forestry Commission, Edinburgh 28pp.
  • 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’s Trust for Endangered Species. English Nature, Peterborough 113 pages.
  • Gurnell, J. & Pepper, H. (1996) UK review of grey squirrel control for red squirrel conservation. Joint Nature Conservation Committee, Peterborough.
  • Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Colstone Road, Fleet, Hampshire. Consultancy report for Colson Stone Partnership.
  • Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Hawley Park, Surrey. Consultancy report for Colson Stone Partnership.
  • Gurnell, J. & 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.
  • Dagnall, J., Pepper, H., & Gurnell, J. (1995) Report on the preliminary results from the index trap project. Forestry Commission, Alice Holt, Farnham, Surrey.
  • Dagnall, J. & Gurnell, J. (1995) Grey squirrel damage prediction: index trapping. Forestry Authority Report on Forest Research 1994, H.M.S.O., London.
  • Gurnell, J., Clark, M.J. & Feaver, J. (1995) An operational GIS model for red squirrel habitat management. Forestry Commission, Alice Holt, Farnham, Surrey.
  • Gurnell, J. & Venning, T. (1995) Conserving the red squirrel Sciurus vulgaris in Thetford Forest – Second Interim Report. Unpublished report to English Nature and Forest Enterprise.
  • Gurnell, J. (1995) Ecological Survey for the Presence of Badgers at Broomgrove, Hastings. Consultancy report for Colson Stone Partnership.
  • Gurnell, J.  & Pepper, H. (1994) Grey squirrel control trials – New Forest 1994. Forestry Commission, Alice Holt, Farnham, Surrey.
  • Gurnell, J. (1994) Conserving the red squirrel Sciurus vulgaris in Thetford Forest – interim report. Forest Enterprise/English Nature.
  • Kevlin, F. & 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.
  • Kevlin, F. & 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.
  • Gurnell, J. (1992) Ecological Survey for the Presence of Badgers at Church Hill House Hospital
    Gurnell, J. (1992) Ecological Survey for the Presence of Badgers and Foxes at Heathfield, East Sussex. Consultancy Report for The Bell Cornwell  Partnership.
  • Gurnell, J. (1991) Assessment of Badgers at Burghfield House together with impact of proposed development. Consultancy Report Colson Stone Partnership.
  • 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.
  • Gurnell, J., Peck, G., Pepper, H.W. & J.Davies (1990) Bone disease in red squirrels. Report prepared for the Forestry Commission, 44pp.
  • Gurnell, J. & Taylor, J. (1989) The conservation of red squirrels in relation to forest management. Report prepared for the Forestry Commission, 116pp.
  • Gurnell, J. (1989) Ecological assessment of the bat population at The Grange and Old Coach House.  Consultancy Report ERL, London.
  • Gurnell, J. (1989) The effects of the Emerson Green Development on mammal populations. Consultancy Report ERL, London.
  • Gurnell, J. (1989) Mammal surveys along urban greenways, Consultancy Report, Geodata Unit, Southampton.
  • 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.
  • Gurnell, J. (1988)  An ecological assessment of impact of building proposals on the local badger population   Hastings. Consultancy Report ERL, London.
  • 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.
  • 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.
  • Gurnell, J. (1986) Report on Rodent Damage. For the Review Group on Research into Biotic Damage, Forestry Research Coordination Committee.
  • Gurnell, J. (1983) Forest rodent populations. Forestry Commission Report on Forest Research 1983: 65 66, H.M.S.O., London.
  • Gurnell, J. (1981) Forest rodent populations. Forestry Commission Report on Forest Research 1981: 61 62, H.M.S.O., London.
  • Gurnell, J. (1980) Forest rodent populations. Forestry Commission Report on Forest Research 1980: 57 58, H.M.S.O., London.
  • Gurnell, J. & Bealey, C. (1978) Studies on the disappearance of artificial seed supplies in an oak wood in winter   a report. Unpubl. Report, Wildlife Branch, Forestry Commission.