slideshow 1 slideshow 2 slideshow 3 slideshow 4 slideshow 5 slideshow 6 slideshow 7 slideshow 8 slideshow 9 slideshow 10

P.D. Armitage

Academic Profile and Experience

1961-1964 University of London (External).  BSc Hons (Ist Class) Zoology.
1964-1969 University of London (External).  PhD.
1997 University of London DSc.
2003-2006 Honorary Professor Department of Geography, Kings College London.


1959-61 Glaxo Laboratories, Anaerobic Vaccines Unit Laboratory Technician.
1964-66 Invertebrate community ecology of lake in S. Finland (data collected for External London University PhD - based at Helsinki University and financed by one grant from UNESCO and two from the University of Helsinki.
1966-67 University of Exeter - Marine littoral ecology Lyme Regis Axmouth NNR Financed by NERC grant.
1968-69 Publications Department, Zoological Society of London.
1969-70 Information Retrieval Ltd, 38 Chancery Lane, London WC2.  Abstract compiler.
1970- 2000 Invertebrate zoologist with Centre for Ecology and Hydrology (formerly Freshwater Biological Association, then Institute of Freshwater Ecology). Pure and applied aspects of the ecology of freshwater benthos in lakes, streams and reservoirs The effects of regulation of natural flows (through abstraction or impoundment) on invertebrate communities and habitat relations.Development and application of environmental assessment methods (RIVPACS).Taxonomy and morphology of Chironomidae.  Chironomid nuisance studies.
2000-present Honorary Research Fellow Centre for Ecology and Hydrology, and Freshwater Biological Association Environmental quality of streams in relation to land use. Small freshwater habitats.

Current research activities based mainly at the Freshwater Biological Association River Laboratory in Dorset UK.

Including:- studies of macroinvertebrate communities in small streams, temporary waterbodies and wetlands in relation to land-use and management. The effects of sediment deposition on instream biota. Use of sub-fossil chironomidae as indicators of palaeo flow regimes.


  1. Armitage, P.D. (1968) Some notes on the food of the chironomid larvae of a shallow woodland lake in South Finland. Ann. Zool. Fenn. 5, 6‑13.
  2. Bartlett, H.A. & Armitage, P.D. (1968) Coelenterata. Zool. Rec. 103(4), 1‑33.
  3. Armitage, P.D. (1969) A survey of the marine littoral fauna of the Axmouth‑Lyme Regis Nature Reserve, with some notes on the effect of freshwater run‑ off. Proc. Dorset nat. Hist. archaeol. Soc. 91, 147‑165.
  4. Armitage, P.D. (1969)  Bryozoa (Polyzoa). Zool. Rec. 103(8), 1‑14.
  5. Armitage, P.D. & Balasubramanian, A. (1969) Brachiopoda. Zool. Rec. 103(7), 1‑36.
  6. Armitage, P.D. & O'Hanlon, M. (1969)  Brachiopoda. Zool. Rec. 104(7), 1‑20.
  7. Armitage, P.D. & Hatch, E.D. (1969)  Bryozoa (Polyzoa) and Entoprocta.  Zool. Rec. 104(8), 1‑13.
  8. Armitage, P.D. (1970) Chironomid larvae in a lake with a long ice‑cover period.  Chironomus 1(8), 54‑57.
  9. Armitage, P.D. (1970) The Tanytarsini (Diptera: Chironomidae) of a shallow woodland lake in South Finland, with special reference to the effect of winter conditions on the larvae. Ann. Zool. Fenn. 7, 313‑322.
  10. Balasubramanian, A. & Armitage,P.D. (1970) Crustacea Part I (Recent). Zool. Rec. 104(10), 1‑130.
  11. Hatch, E. & Armitage, P.D. (1970) Coelenterata. Zool. Rec. 104(4), 1‑28.
  12. Hatch, E., Milton, J. & Armitage, P.D. (1970) Mollusca. Zool. Rec. 104(9), 1‑182.
  13. Armitage, P.D. (1971) Some aspects of the ecology of Pagastiella orophila (Diptera: Chironomidae) in the lake Kuusijärvi in the south of Finland. Can. Entomol. 104, 306‑310.
  14. Armitage, P.D. (1974) Some aspects of the ecology of the Tanypodinae and other less common species of Chironomidae in Lake Kuusijärvi, South Finland. Ent. Tidskr. 95, 13‑17.
  15. Armitage, P.D., MacHale, A.M. & Crisp, D.C. (1974) A survey of stream invertebrates in the Cow Green Basin (Upper Teesdale) before inundation. Freshwat. Biol. 4, 369‑398.
  16. Armitage, P.D., MacHale, A.M. & Crisp, D.C. (1975)  A survey of the invertebrates of four streams in the Moor House National Nature Reserve in Northern England.  Freshwat. Biol. 5, 479‑495.
  17. Armitage, P.D. (1976) A quantitative study of the invertebrate fauna of the River Tees below Cow Green Reservoir. Freshwat. Biol. 6, 229‑240.
  18. Armitage, P.D. & Capper, M.H. (1976) The numbers, biomass and transport downstream of micro‑crustaceans and Hydra from Cow Green Reservoir (Upper Teesdale). Freshwat. Biol. 6, 425‑432.
  19. Armitage, P.D. (1977)  Invertebrate drift in the regulated river Tees, and an unregulated tributary Maize Beck, below Cow Green dam. Freshwat. Biol. 7, 167‑183.
  20. Armitage, P.D. (1977) Development of the macro‑invertebrate fauna of Cow Green Reservoir (Upper Teesdale) in the first 5 years of its existence. Freshwat. Biol. 7, 441‑454.
  21. Armitage, P.D. (1978) Downstream changes in the composition, numbers and biomass of bottom fauna in the Tees below Cow Green reservoir and in an unregulated tributary Maize  Beck, in the first five years after impoundment. Hydrobiologia 58, 145‑156.
  22. Armitage, P.D. (1978) Catches of invertebrate drift by pump and net. Hydrobiologia 60, 229‑233.
  23. Armitage, P.D. (1978) The impact of Cow Green reservoir on invertebrate populations in the River Tees. Freshwat. biol. Ass. Ann. Report 46, 47‑56.
  24. Armitage, P.D. (1979) A folding artificial substratum sampler for use in standing water. Hydrobiologia 66(3), 245‑248.
  25. Armitage, P.D., Furse, M.T. & Wright, J.F. (1979) A bibliography of works for the identification of freshwater invertebrates in the British Isles. Freshwat. biol. Ass. Occ. Pub. No. 5, pp 18.
  26. Armitage, P.D. (1980) Stream regulation in Great Britain.  In: The ecology of regulated streams (eds J.V. Ward & J.A. Stanford), 165‑181. Plenum, New York.
  27. Armitage, P.D. (1980)  The effects of mine drainage and organic enrichment on benthos in the River Nent system, Northern Pennines. Hydrobiologia 74, 119‑128.
  28. Furse, M.T., Wright, J.F., Armitage, P.D. & Moss, D. (1981) An appraisal of pond‑net samples for biological monitoring of lotic macro‑invertebrates. Wat. Res. 15, 679‑689.
  29. Armitage, P.D. (1982) Strigamia maritima (Leach) (Chilopoda: Geophilomorpha) first record in freshwater. Entomologist's mon. Mag. 118, 143‑144.
  30. Armitage, P.D. (1982) The invertebrates of some freshwater habitats on the Axmouth‑Lyme  Regis National Nature Reserve. Proc. Dorset nat. Hist. archaeol. Soc. 104, 149‑154.
  31. Armitage, P.D. (1983) Chironomidae from Cow Green reservoir and its environs in the first years of its existence (1970‑1977). Aquat. Ins. 5, 115‑130.
  32. Armitage, P.D., Moss, D., Wright, J.F. & Furse, M.T. (1983) The performance of a new biological water quality score system based on macroinvertebrates over a wide range of unpolluted running‑water sites. Wat. Res. 17, 333‑347.
  33. Armitage, P.D. (1984) Environmental changes induced by stream regulation and their effect  on lotic macroinvertebrate communities. In: Regulated rivers (eds A. Lillehammer & S.J. Saltveit), Proc. 2nd Int. Symp. on Regulated Stream Limnology, 139‑164. Norwegian Univ. Press.
  34. Furse, M.T., Armitage, P.D. & Wright, J.F. (1984) Parametriocnemus boreoalpinus Gowin (Diptera: Chironomidae) new to Britain with notes on the separation of larvae and pupae of the British species. Entomologist's  Gaz. 35, 265‑269.
  35. Furse, M.T., Moss, D., Wright, J.F. & Armitage, P.D. (1984) The influence of seasonal and taxonomic factors on the ordination and classification of running‑water sites in Great Britain  and on the prediction of their macroinvertebrate communities. Freshwat. Biol. 14, 257‑280.
  36. Wright, J.F., Armitage, P.D., Furse, M.T. & Moss, D. (1984) The classification of sites on British rivers using macroinvertebrates. Verh. int. Verein. theor. angew. Limnol. 22, 1939‑1943.
  37. Wright, J.F., Moss, D., Armitage, P.D. & Furse, M.T. (1984) A preliminary classification of running‑water sites in Great Britain based on macro‑invertebrate species and the prediction of community type using environmental data. Freshwat. Biol. 14, 221‑256.
  38. Armitage, P.D. & Blackburn, J.H. (1985) Chironomidae in a Pennine stream system receiving mine drainage and organic enrichment. Hydrobiologia 121, 165‑172.
  39. Armitage, P.D., Furse, M.T. & Wright, J.F. (1985) Further characteristics in distinguishing  nymphs of the Baetis vernus/tenax group from Baetis buceratus Eaton (Ephemeroptera: Baetidae). Entomologist's mon. Mag. 121, 235‑237.
  40. Pinder, L.C.V. & Armitage, P.D. (1985) A description of the larva and pupa of Chaetocladius melaleucus (Meigen) (Diptera: Chironomidae). Entomologist's Gaz. 36, 119‑124.
  41. Wright, J.F., Armitage, P.D., Furse, M.T. & Moss, D. (1985) The classification and prediction of macroinvertebrate communities in British rivers. Ann. Rep. Freshwat. biol. Ass. 53, 80‑93.
  42. Armitage, P.D. (1986) A new species of the genus Limnophyes Eaton (Chironomidae: Diptera) from S.E. England. Spixiana 11, 139‑142.
  43. Armitage, P.D. (1986) A redescription of male Eukiefferiella atlantica Stora (Chironomidae, Diptera) based on type material and recently collected specimens from Tenerife, Canary Islands. Aquatic Insects 8(2), 105‑109.
  44. Furse, M., Wright, J., Armitage, P. & Gunn, R. (1986) New British records of Oulimnius major and O. troglodytes. The Balfour‑Browne Club Newsletter 38, 16‑18.
  45. Pinder, L.C.V. & Armitage, P.D. (1986) The male and female of Bryophaenocladius muscicola (Kieffer), based on new material from England, and a comparison with other members of the genus (Diptera: Chironomidae). Ent. scand. 17, 137‑142.
  46. Armitage, P.D. (1987) A new species of the genus Bryophaenocladius Thienemann, (Chironomidae,Diptera) from Tenerife, Canary Islands. Aquatic Insects 9: 33‑38.
  47. Armitage, P.D. (1987) The classification of tailwater sites receiving residual flows from  upland reservoirs in Great Britain, using macroinvertebrate data.  In: Advances in regulated stream ecology (eds J.F. Craig & J.B. Kemper), 131‑144. Plenum Press, New York.
  48. Armitage, P.D., Gunn, R.J.M., Furse, M.T., Wright, J.F. & Moss, D. (1987) The use of  prediction to assess macroinvertebrate response to river regulation.  Hydrobiologia 144, 25‑32.
  49. Bass, J.A.B. & Armitage,P.D. (1987) Observed and predicted occurrence of blackflies (Diptera: Simuliidae) at fifty reservoir outlets in Britain. Regul. Rivers: Res. & Mgmt 1, 247‑255.
  50. Furse, M.T., Moss, D., Wright, J.F. & Armitage, P.D. (1987) Freshwater site assessment using multi‑variate techniques. In:The use of invertebrates in site assessment for  conservation (ed. M.L. Luff).  Proceedings of a meeting  held at the University of  Newcastle‑upon‑Tyne, 7 January 1987.  Agricultural Environment Research Group.  Univ. Newcastle‑upon‑Tyne.
  51. Moss, D., Furse, M.T., Wright, J.F. & Armitage, P.D. (1987) The prediction of the macro‑invertebrate fauna of unpolluted running‑water sites in Great Britain using environmental data. Freshwat. Biol. 17(1), 41‑52.
  52. Armitage, P.D. & Tuiskunen, J. (1988) Thalassosmittia atlantica (Stora) comb. nov. Description of female and immature stages from Tenerife, Canary Islands. Spixiana suppl. 14, 25‑28.
  53. Langton, P.H., Cranston, P.S. & Armitage, P.D. (1988) The parthenogentic midge of water supply systems, Paratanytarsus grimmii (Schneider) (Diptera: Chironomidae).  Bull. ent. Res. 78, 317‑328.
  54. Wright, J.F., Armitage, P.D., Furse, M.T. & Moss, D. (1988) A new approach to the biological surveillance of river quality using macroinvertebrates. Verh. int. Verein. theor. angew. Limnol. 23, 1548‑1552.
  55. Cranston, P.S. & Armitage, P. (1988) The types of Canary Isles Chironomidae described by Becker and Santos Abreu. Dt. Z. Ent. 35, 341‑354.
  56. Armitage, P.D. (1989) The application of a classification and prediction technique based on  macroinvertebrates to assess the effects of river regulation. In: Alternatives in Regulated River Management (eds Gore, J.A. & Petts, G.E.), 267‑293.  CRC Press Inc., Boca Raton, Florida.
  57. Ladle M., House W.A., Armitage P.D. and Farr I.S. (1989) Faunal characteristics of a site  subject to sewage plant discharge. Tenside Detergents 2, 159‑168.
  58. Petts, G.E., Armitage, P. & Gustard, A. (Eds) (1989) Proceedings of the Fourth International Symposium on Regulated Rivers. Regul. Rivers: Res. & Mgmt 3(1‑4), pp 394.  Wiley & Sons, Chichester.
  59. Wright, J.F., Armitage, P.D., Furse, M.T. & Moss D. (1989) Prediction of invertebrate communities using stream measurements. Regul. Rivers: Res & Mgmt 4, 147‑155.
  60. Armitage,P.D. & Davies, A. (1989) A versatile laboratory stream with examples of its use in the investigation of invertebrate behaviour. Hydrobiological Bulletin 23, 151‑160.
  61. Armitage, P.D. & Blackburn, J.H. (1990) Environmental stability and communities of Chironomidae (Diptera) in a regulated river. Regul. Rivers: Res. & Mgmt 5, 319‑328.
  62. Armitage, P.D., Pardo, I., Furse, M.T. & Wright, J.F. (1990) Assessment and prediction of  biological quality. A demonstration of a British macroinvertebrate‑based method in two Spanish rivers. Limnetica 6, 147‑156.
  63. Calow, P., Armitage, P., Boon, P., Chave, P., Cox, E., Hildrew, A., Learner, M., Maltby, L., Morris, G., Seager, J. & Whitton, B. (1990) Ecological Issues No. 1‑River Water Quality. British Ecological Society/Field Studies Council, pp 43.
  64. Baez, M. & Armitage, P.D. (1990) Chironomidae (Diptera, Nematocera) from Madeira. Bocagiana 135, 1‑6.
  65. Furse, M.T., Fernandes, J.N., Wright, J.F. & Armitage, P.D. (1990) The use of aquatic  macro‑invertebrate assemblages for assessment of the environmental quality of rivers. In: "Water Quality, Assessment and Management".  Proceedings of an International Seminar, Lisbon 17‑19 May 1989.  UNESCO, 171-181.
  66. Armitage, P.D. & Ladle, M. (1991) Habitat preferences of target species for application in PHABSIM testing. In: Instream flow requirements of aquatic ecology in two British rivers: Application and assessment of the instream flow incremental methodology using the PHABSIM system (eds A. Bullock, A. Gustard & E.S. Grainger).  Institute of Hydrology Report No. 115, 87-122.
  67. Armitage, P.D. & Petts, G.E. (1992) Biotic score and prediction to assess the effects of water abstractions on river macroinvertebrates for conservation purposes.  Aquatic Conservation: Marine & Freshwater Ecosystems 2, 1-17.
  68. Malmqvist, B., Nilsson, A.N., Baez, M., Armitage, P. & Blackburn, J. (1992) The macroinvertebrates of Tenerife streams - a threatened fauna? XXV SIL International Congress, Barcelona, August 21-27, 1992 (Abstract).
  69. Wotton, R.S., Armitage, P.D., Aston, K., Blackburn, J.H., Hamburger, M. & Woodward, C.A. (1992) Colonization and emergence of midges (Chironomidae: Diptera) in slow sand filter beds.  Netherlands Journal of Aquatic Ecology, 26(2-4), 331-339.
  70. Wright, J.F., Blackburn, J.H., Westlake, D.F., Furse, M.T. & Armitage, P.D. (1992) Anticipating the consequences of river management for the conservation of macroinvertebrates. In: River conservation and management (eds P. Boon, G. Petts & P. Calow), 137-149.  John Wiley & Sons Ltd., Chichester.
  71. Armitage, P.D., Furse, M.T. & Wright, J.F. (1992) Anexo: Calidad medioambiental y valoración biologica en los ríos británicos.  Perspectivas de pasado y futuro. [Environmental quality and biological assessment in British rivers - past and future perspectives]  In:Caracterizacion Hidrobiologica de la red fluvial de Alava y Gipuzkoa: 477-511, (ed.) Departamento de Economia Planificación y Medio Ambiente del Gobierno Vasco:.  Itxaropena, S.A. Zarautz.  [98 refs]
  72. Bickerton, M., Armitage, P.D., Castella, E. & Petts, G.E. (1993) Assessing the ecological effects of groundwater abstraction on chalk streams: three examples from eastern England. Regulated Rivers: Research & Management, 8(1/2) 121-134.
  73. Hearne, J.W. & Armitage, P.D. (1993) Implications of the annual macrophyte growth cycle on habitat in rivers. Regulated Rivers: Research & Management, 8, 313-322.
  74. Malmqvist, B., Nilsson, A.N., Baez, M., Armitage, P. & Blackburn, J. (1993) Stream macroinvertebrate communities in the island of Tenerife. Arch. Hydrobiol. 128(2), 209-235.
  75. Petts, G.E., Armitage, P.D. & Castella, E. (1993) Physical habitat change and macroinvertebrate response to river regulation: the River Rede, UK.Regulated Rivers: Research & Management,  8(1/2), 167-178.
  76. Wright, J.F., Furse, M.T. & Armitage, P.D. (1993) RIVPACS - a technqiue for evaluating the biological quality of rivers in the U.K. European Water Pollution Control 3(4), 15-25.
  77. Wright, J.F., Furse, M.T., Armitage, P.D. & Moss, D. (1993) New procedures for identifying running-water sites subject to environmental stress and for evaluating sites for conservation, based on the macroinvertebrate fauna. Archiv fur Hydrobiologie 127(3), 319-326.
  78. Armitage, P.D. (1994) Faunal community change in response to flow manipulation. In: Ecological basis for river management (eds D. Harper & A. Ferguson), 59-78. John Wiley & Sons Ltd, Chichester.
  79. Armitage, P.D. (1994) Prediction of biological responses, 254-275. In: Rivers handbook volume 2 (eds P. Calow & G. Petts), pp.523.  Blackwell Scientific Publications Ltd.
  80. Armitage, P.D. (1994) Worms in my butt. BBC Wildlife 12(8), 15.
  81. Armitage, P.D., Blackburn J.H., Malmqvist B. & Nilsson A.N. (1994) Chironomidae in freshwater habitats in Tenerife, Canary Islands. In:Chironomids from genes to ecosystems (ed. P.S. Cranston), CSIRO Publications.
  82. Armitage, P.D. & Hogger J. (1994) Invertebrate ecology and survey, 85-97, 151-159. In: RSPB, NRA & RSNC 1994 The New Rivers and Wildlife Handbook, pp.426.  RSPB Sandy Bedfordshire UK.
  83. Armitage, P.D., Blackburn, J.H., Winder, J.M. & Wright, J.F. (1994) Impact of vegetation management on macroinvertebrates in chalk streams. Aquatic Conservation: Marine and Freshwater Ecosystems 4, 95-104.
  84. Hearne, J., Johnson, I. & Armitage, P. (1994) Determination of ecologically acceptable flows in rivers with seasonal changes in the density of macrophyte. Regulated Rivers: Research and Management 9, 177-184.
  85. Langton, P.H. & Armitage, P.D. (1995) Rheotanytarsus rioensis (Diptera, Chironomidae), a new species of the pentapoda group from the Canary Islands. British Journal of Entomology and Natural History 8, 11-17.
  86. Wotton, R.S. & Armitage, P.D. (1994) Size of midges (Diptera: Chironomidae) emerging from newly-filled ponds. In:Chironomids from genes to ecosystems (ed. P.S. Cranston), 355-361, CSIRO Publications.
  87. Wright, J.F., Furse, M.T. & Armitage, P.D. (1994) Use of macroinvertebrate communities to detect environmental stress in running waters. In: Water quality and stress indicators in marine and freshwater systems: linking levels of organisation, (ed. Sutcliffe D.W.), 15-34. Freshwater Biological Association.
  88. Armitage, P.D. (1995) Behaviour and ecology of adults. In:The Chironomidae - Biology and ecology of non-biting midges (eds Armitage P.D., Cranston P.S. & Pinder L.C.V.), 194-224. Chapman & Hall, London.
  89. Armitage, P.D. (1995) Chironomidae as food. In: The Chironomidae - Biology and ecology of non-biting midges (eds Armitage P.D., Cranston P.S. & Pinder L.C.V.), 423-435.  Chapman & Hall, London.
  90. Armitage, P.D., Cranston, P.S. & Pinder, L.C.V. (eds) (1995)The Chironomidae - Biology and ecology of non-biting midges. Chapman & Hall, London, 572 pp.
  91. Ibbotson, A., Armitage, P.D., Beaumont W.R.C., Ladle M. & Welton J.S.(1994) Spatial and temporal distribution of fish in a small lowland stream. Fisheries Management & Ecology. vol. 1(3) 143-156.
  92. House, W.A., Denison, F.H. & Armitage, P.D. (1995) Comparison of the uptake of inorganic phosphorus to a suspended and stream bed-sediment. Wat. Res. 29, 767-779.
  93. Armitage, P.D., Pardo, I & Brown, A. (1995) Temporal constancy of faunal assemblages in mesohabitats. Application to management. Arch. Hydrobiol. 133, 367-387.
  94. Castella, E., Bickerton M., Armitage, P.D. & Petts, G.E. (1995) The effects of water abstractions on invertebrate communities in UK streams. Hydrobiologia 308, 167-182.
  95. Armitage, P.D. & Pardo I. (1995) Impact assessment of regulation at the reach level using mesohabitat information. Regulated Rivers: Research & Management, 10(2/4) 147-158.
  96. House, W.A., Denison, F.H., Smith, J.T. & Armitage, P.D. (1995) An investigation of the effects of water velocity on inorganic phosphorus influx to a sediment. Env. Pollut.89: 263-271.
  97. Gunn, R.J.M. & Armitage, P.D. (1996) The macroinvertebrates of some freshwater streams in the Folkestone area. Transactions of the Kent Field Club 15, 19-32.
  98. Armitage, P.D. Symes, K.L., Blackburn, J.H.  (1994) Environmental quality assessment of the Win stream (Dorset) using macroinvertebrate data. Proceedings of the Dorset Natural History and Archaeological Society 116, 105-110.
  99. Armitage, P.D., Blackburn, J.H. & Symes, K.L. (1995). The environmental quality of a small urban water course, the Bourne Stream, assessed with macroinvertebrate data. Proceedings of the Dorset Natural History and Archaeological Society 117, 117-122.
  100. Wotton, R.S., Chaloner, D.T. & Armitage, P.D. (1996). The colonisation, role in filtration and potential nuisance value of midges in slow sand filters. In Graham, N. & Collins, R. (eds) Advances in slow sand and alternative biological filtration. John Wiley & Sons, Chichester, 149-158.
  101. Armitage, P.D. & Gunn R.J.M. (1996) Differential response of  benthos to natural and anthropogenic disturbances in three lowland streams. Int. Rev. Ges. Hydrobiol. 81, 161-181.
  102. Armitage, P.D., Blackburn, J.H. & Symes, K.L. (1996) Freshwater biological monitoring of the Furzebrook Stream (South Dorset) using macroinvertebrates.  Proceedings of the Dorset Natural History and Archaeological Society, 118, 125-131.
  103. Wright, J. F., Blackburn, J.H., Gunn, R.J.M., Furse.M.T., Armitage, P.D., Winder, J.M.., & Symes, K.L. (1996). Macroinvertebrate frequency data for the RIVPACS III sites in Great Britain and their use in conservation evaluation. Aquatic Conservation, Marine and freshwater Ecosystems. 6: 141-167.
  104. Wood, P.J. & Armitage, P.D. (1997) Biological effects of fine sediment in the lotic environment.Environmental Management, 21: 203-217.
  105. Blackburn, J.H., Armitage, P.D. & Symes , K.L. (1997) The macroinvertebrate fauna of Luckford Lake (Dorset) a small heathland stream.Proceedings of the Dorset Natural History and Archaeological Society 119:141-145. 
  106. Pardo, I. & Armitage, P.D. (1997) Species assemblages as descriptors of mesohabitats.Hydrobiologia, 344, 111-128.
  107. Symes, K.L., Armitage, P.D. & Cannan, C.E. (1997) Application of the relational data base approach to a nested study of biological and physical data from a lowland river. Regulated Rivers: Research & Management, 13, 185-198.
  108. Prenda, J., Armitage, P.D. & Grayston, A. (1997) Habitat use by the fish assemblages of two chalk streams. Journal of Fish Biology, 51: 64-79.
  109. Armitage, P. D. & Cannan C.E. (1998) Nested multi-scale surveys in lotic systems - tools for management. In : Bretschko,G. & Helesic, J. Eds "Advances In River Bottom Ecology" Backhuys Publishers, Leiden, 293-314.
  110. Nilsson, A.N., Malmqvist, B., Baez, M., Blackburn, J.H. & Armitage, P.D. (1998). Stream insects and gastropods in the island of Gran Canaria (Spain). Annales de Limnologie 34: 413-435.
  111. Armitage, P.D. & Blackburn, J.H. (1998 ) The environmental quality of a small spring-fed watercourse, the Wool Stream (Dorset), assessed with macroinvertebrate data. Proceedings of the Dorset Natural History and Archaeological Society 120: 77-84.
  112. Wood, P.J. & Armitage, P.D. (1999) Sediment deposition in a small lowland stream - management implications.Regulated Rivers: Research and Management, 15: 199-210.
  113. Sear, D., Armitage, P.D. & Dawson, F.H.D. (1999) Groundwater dominated rivers. In ‘The Proceedings of a Workshop on Groundwater Dominated Rivers, Chilworth Manor, University of Southampton, April 17-18 1997'. (Eds D. Sear & P.D. Armitage). Hydrological Processes 13: 255-276.
  114. Brereton, C. House, W.A., Armitage, P.D. & Wotton, R.S. (1999) Sorption of pesticides to novel materials: snail pedal mucus and blackfly silk.Environmental Pollution 105, 55-65.
  115. Cannan, C.E. & Armitage, P.D. (1999) The influence of catchment geology on the longitudinal distribution of macroinvertebrate assemblages in a groundwater dominated river. Hydrological Processes 13: 355-369.
  116. Wood, P.J. Armitage, P.D., Cannan, C.E. & Petts, G.E. (1999) Instream mesohabitat diversity in three groundwater streams under base‑flow conditions, Aquatic Conservation ‑ Marine and Freshwater Ecosystems 9: 265-278.
  117. Armitage, P.D. (2000) The potential of RIVPACS for predicting the effects of environmental change. In ‘Assessing the biological quality of freshwaters – RIVPACS and other techniques". (Eds J.F. Wright, Sutcliffe, .W. & M.T. Furse). Freshwater Biological Association Special Publication, Ambleside, pp93-111.
  118. Tickner, D.P., Armitage, P.D., Bickerton, M.A. & Hall, K.A. (2000) Assessing stream quality using information on mesohabitat distribution and character. Aquatic Conservation ‑ Marine and Freshwater Ecosystems 10: 179-196.
  119. Armitage, P.D. , Blackburn, J.H., Wiggers, R. & Harris, I. (2000) The environmental quality of the Bovington Stream and its effects on the adjacent River Frome (Dorset), assessed with macroinvertebrate dataProceedings of the Dorset Natural History and Archaeological Society 121:123-128.
  120. Prenda, J. Rossomanno, S. & Armitage, P.D. (2000) Changes in depth distribution and activity in small riverine fishes under gradually changing light intensities. Limnetica 18: 75-80.
  121. Armitage, P.D. & Cannan, C.E, (2000). Annual changes in the summer patterns of mesohabitat distribution and associated faunal assemblages. Hydrological Processes, 14: 3161-3179.
  122. Davenport, A.J., Gurnell, A.M. and Armitage, P.D. (2000) Hydroecological classification of urban rivers. British Hydrological Society 7th National Hydrology Symposium, Newcastle, 2000. 2.61-2.65.
  123. Prenda, J., Rossomanno, S. & Armitage, P.D. (1997) [received February 2001] Species interactions and substrate preferences in three small benthic fishes. Limnetica, 13 (1): 47-53.
  124. Armitage, P.D., Blackburn, J.H.B. & Harris, I.T. (2000) Chironomid midge swarms associated with slow sand filtration works. Chironomus Newsletter on Chironomidae Research. 13: 10-11.
  125. Armitage, P. (2000) L'impotanza degli habitat acquatica e di sponda nella definizione della qualita' ecologica e nella gestione dei corsi d'acqua. Biologia Ambientale, 14:49-50.
  126. Armitage, P. & Wright, J. (2000) Introduzione a RIVPACS, Biologia Ambientale, 14:68-76.
  127. Armitage, P..D., Lattmann, K., Kneebone, N. & Harris, I. (2001) Bank profile and structure as determinants of macroinvertebrate assemblages - seasonal changes and management. Regulated Rivers: Research and Management  17:543-556.
  128. Wiggers, R. & Armitage, P.D. (2000) The environmental quality of two iron-rich streams in southern Dorset, assessed with macroinvertebrate data. Proceedings of the Dorset Natural History and Archaeological Society 122: 139-144.
  129. Wright, J.F. & Armitage, P.D. (2001)  Freshwater invertebrates. In ‘The Changing wildlife of Great Britain and Ireland' (Ed. D.L. Hawksworth), Taylor & Francis.
  130. House, W.A., Leach, D.V. & Armitage, P.D. (2001) Study of dissolved silicon and nitrate dynamics in a freshwater stream. Water Research: 35 (11) 2749-2757.
  131. Preston, C.D., Sheail, J. Armitage, P. & Davy-Bowker, J. (2003) The long-term impact of urbanisation on aquatic plants:Cambridge and the River Cam. Science of the Total Environment 314-316:67-87.
  132. Armitage, P.D. & Blackburn, J.H. (2001) The macroinvertebrate fauna of the Holy Stream, a small tributary of the River Frome (Dorset) Proceedings of the Dorset Natural History and Archaeological Society 123: 95-100.
  133. Davenport, A.J. Gurnell, A.M. & Armitage, P.D. (2001) Classifying urban rivers. Water Science and Technology: 43 147-155.
  134. Peters, A.J., Armitage, P.D. & Everett, S.J. (2003) Control of nuisance chironomid midge swarms from a slow sand filter. Journal of Water Supply; Research & Technology-AQUA. 52 (2): 109-118.
  135. Armitage, P.D., Szoszkiewicz, K., Blackburn, J.H. & Nesbitt,I. (2003). Ditch communities: a major contributor to floodplain biodiversity Aquatic Conservation: Marine and Freshwater Ecosystems 13: 165-185.
  136. Kneebone, N.T, Armitage, P.D, Koch-Osborne, J. & Blackburn, J.H. (2002) The macroinvertebrate fauna of a small, spring-fed watercourse, the Lulworth Stream (Dorset). Proceedings of the Dorset Natural History and Archaelogical Society 124: 101-107.
  137. Davenport, A.J. Gurnell, A.M. & Armitage, P.D. (2004) Habitat survey and classification of urban rivers. River Research and Applications 20: 687-704.
  138. Wood, P.J. & Armitage, P.D. (2004) The response of the macroinvertebrate community to low-flow variability and supra-seasonal drought within a groundwater dominated river. Archiv fur Hydrobiologie. 161, 1-20.
  139. Armitage, P.D, Vincent, H.M. & Blackburn, J.H. (2003) Freshwater macroinvertebrate communities of coastal streams in Dorset. Proceedings of the Dorset Natural History and Archaelogical Society 125: 131-139.
  140. Armitage, P.D., Walsh, E., Corbin, T. & Blackburn, J.H. (2004) The environmental quality of the River Jordan (Dorset) assessed with macroinvertebrate dataProceedings of the Dorset Natural History and Archaelogical Society  126: 127-132.
  141. Wood, P.J., Toone, J., Greenwood, M.T., & Armitage, P.D. (2005) The response of four lotic macrinvertebrate taxa to burial by sediments. Archiv fur Hydrobiologie 161: 1-20.
  142. Armitage, P.D. (2005) Sediment on the move: tank training and stream life. Sanctuary (The Ministry of Defence Conservation Magazine). 34: 57-59.
  143. Armitage, P.D. (2006) Instream and bankside habitats in rivers In. Biological Monitoring of Rivers: Applications and Perspectives. Editors: Giuliano Ziglio Maurizio Siligardi and Giovanna Flaim Publishers: John Wiley and Sons pp 17-31.
  144. A.J. Boitsidis, A. M. Gurnell, M. Scott, G. E. Petts & P. D. Armitage (2006) A decision support system for identifying the habitat quality and rehabilitation potential of urban rivers. Water and Environment Journal  12: pp11.
  145. Gainswin, B.E., House, W.A., Ledbetter, B., Armitage, P.D. & J. Patten 2006 'The effects of sediment size fraction and associated algal biofilm on the kinetics of phosphorus release.Science of The Total Environment, 360:(1-3), 142-157.
  146. Gainswin, B.E., House, W.A., Ledbetter, B. & Armitage, P..D. 2006 'Kinetics of phosphorus release from a natural mixed grain-size sediment with associated algal biofilms.Science of The Total Environment, 360, (1-3), 127-141.
  147. Armitage, P.D. (2006) Long-term faunal changes in a regulated and an unregulated stream – Cow Green thirty years on. River Research and Applications 22: 947-966.
  148. Armitage, P.D., Walsh, E., Vincent, H.. & Blackburn, J.H. (2005) The environmental quality of the Tadnoll Brook (Dorset), assessed with macroinvertebrate data. Proceedings of the Dorset Natural History and Archaelogical Society 127: 125-132.
  149. Ledger, M.E., Harris, R.M.L., Milner, A.M. & Armitage, P.D. (2006) Disturbance, biological legacies and community development in stream mesocosms. Oecologia 148 682-691.
  150. Gurnell A, Goodson J, Thompson K, Clifford N, & Armitage P. (2007) Theriver bed: a dynamic store for plant propagules? Earth Surface Processes and Landforms 32: 1257-1272.
  151. Bowes, M.J., Smith, J.T., Hilton, J., Sturt, M.M. & Armitage, P.D. (2007) Periphyton biomass response to changing phosphorous concentrations in a nutrient impacted river: a new methodology for phosphorous target setting. Canadian Journal of Fisheries and Aquatic Sciences 64: 227-238.
  152. Harris, R.M., Armitage, P.D., Milner, A.M. & Ledger, M.E. (2007) Replicability of physiochemistry and macroinvertebrate assemblages in stream mesocosms: implications for experimental research. Freshwater Biology 52: 2434-2443.
  153. Armitage, P.D/ (2007) Book Review ‘Keys to the Adult Male Chironomidae of Britain and Ireland. 2 Volumes P.H. Langton & L.C.V. Pinder (2007).Freshwater Biological Association, Ambleside, U.K.Scientific Publications of the Freshwater Biological Association No. 64, Volume 1, 239pp. and Volume 2, 168pp.ISBN 978-900386-75-6, price £50. Freshwater Biology  53: 212-214.
  154. Ledger, M.E., Harris, R.M.L., Armitage, P.D. & Milner, A.M. (2008) Disturbance frequency influences patch dynamics in stream benthic algal communities.Oecologia, 155, 809-819.
  155. Stubbington, R., Greenwood, A.M., Wood, P.J., Armitage, P.D., Gunn, J. & Robertson, A.L. (2009) The response of perennial and temporary headwater stream invertebrate communities to hydrological extremes. Hydrobiologia 630: 299-312.
  156. Ledger, M.E., Harris, R.M.L., Armitage, P.D. & Milner, A.M. (2009) Realism of model ecosystems: an evaluation of physicochemistry and macroinvertebrate assemblages in artificial streams. Hydrobiologia 617:91-99.
  157. Hawczak A., Armitage, P.D. & Blackburn, J.H. (2009) The macroinvertebrate fauna and environmental quality of the Oakers Stream, a small tributary of the River Frome (Dorset).Proceedings of the Dorset Natural History and Archaeological Society 130:17-24.
  158. Howard, L.C., Wood, P.J., Greenwood, M.T., Rendell, H.M., Brooks, S.J., Armitage, P.D. & Extence, C.A. (submitted). Sub-fossil Chironomidae as indicators of palaeoflow regimes: integration into the PalaeoLIFE flow index. Journal of Quaternary Science 25 (8): 1270-1283.
  159. Armitage, P.D. & Esteban, G.F. (2010) Selection of testate amoebae (Protozoa, Rhizopoda) as food by tanypodine midge larvae (Chironomidae: Diptera –non-biting midges) in a Dorset Stream.Proceedings of the Dorset Natural History and Archaeological Society 131:153-154.
  160. Armitage, P.D. & Blackburn, J.H. (2010) Historic land-use and the influence of catchment characteristics on faunal communitiesdf small streams, Dorset, UK. Freshwater Forum 28: 5-25.
  161. Skytte-Johannsen, S. & Armitage, P.D. (2010). Agricultural practice and the effects of agricultural land-use on water quality. Freshwater Forum 28: 45-59.
  162. Langford, T., Jones, J. Broadmeadow, S. Armitage, P., Shaw, P. & Davy-Bowker, J. (2010) Biological Diversity in New Forest stream pp157-172; in ‘ Biodiversity in the New Forest', Newton A.C. (ed). Piscespublications Newbury Berkshire.
  163. Rouen, K. & Armitage, P.D. (eds) (2010) The effects of catchment management on stream process and condition. Freshwater Forum 28: pp93.
  164. Langton, PH & Armitage PD (2010) A new species of Chaetocladius Kieffer (Diptera, Chironomidae) from the Dorset coast. Dipterists Digest 17: 103-108.
  165. Jones JI, Murphy JF, Collins AL, Sear DA, Naden PS & Armitage PD (2011). The impact of fine sediment on macro-invertevbrates. River Research and Applications 28: 1055-1071.
  166. Hawczak A, Armitage PD, Blackburn JH, and Bowes MJ (2011) The macroinvertebrate fauna of temporary and permanent aquatic habitats in East Stoke Fen (SSSI), Dorset. Proceedings of the Dorset Natural History and Archaeological Society 132: 165-175.
  167. Armitage PD, Hawzack A, & Blackburn JH (2012). Tyre track pools and puddles- anthropogenic contributors to aquatic biodiversity. Limnologia 42: 254-263.
Contact © Freshwater Biological Association 2015 | Registered charity number 214440