| General | - Rodwell, J.S., 1992. British Plant Communities Volume 3. Grasslands and Montane Communities. Cambridge University Press.
- Critchley, C.N.R., 1997. Monitoring methods. Grassland Management in Environmentally Sensitive Areas. BGS Occasional Symposium No. 32.
- Hodgson, J.G. et al., 1994. A simple method for monitoring grassland vegetation. BGS Occasional Symposium No. 28.
- Goldsmith, B., 1991. Monitoring for Conservation and Ecology. Chapman & Hall.
- Stewart, K.E.J., Bourn, N.A.D. and Thomas, J.A., 2001. An evaluation of three quick methods commonly used to assess sward height in ecology. Journal of Applied Ecology. 38:1148-1154.
- Critchley, C.N.R. and Poulton, S.M.C., 1998. A method to optimize precision and scale in grassland monitoring. Journal of Vegetation Science. 9:837-846.
- Robertson, H.J. & Jefferson, R.G., 2000. Monitoring the condition of lowland grassland SSSIs - I English Nature's rapid assessment method. English Nature research report No. 315.
- Smith, I.R., Wells, D.A. & Welsh, P., 1985. Botanical survey and monitoring methods for grasslands. Focus on Nature Conservation 10. Nature Conservancy Council, Peterborough.
- Critchley, C.N.R., Burke, M.J., & Fowbert, J.A., 1999. Sensitivity and calibration of Plant Community Variables for Grassland Monitoring in English ESAs.
- ADAS, 2001. Development of sward-based guidelines for grassland management in ESAs and Countryside Stewardship.
- Burke, M.J.W. and Critchley, C.N.R. (1999). Improving the cost-effectiveness of the ADAS plot method for monitoring grassland. ADAS report to MAFF.
- Critchley, C.N.R. and Poulton, S.M.C., 1998. A method to optimize precision and scale in grassland monitoring. Journal of Vegetation Science. 9:837-846.
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| Sward height and structure | - Frame, J., 1993. Herbage mass Sward measurement handbook. 2nd Edition. British Grassland Society. Reading.
- Meyer, M., 1980. Monitoring and mapping natural area grassland vegetation with small format aerial photography. IAFHE RSL research report.
- Hooper, A.J., 1992. Measurement and perception of change: Field monitoring of environmental change in the Environmentally Sensitive Areas. 27th Institute of Terrestrial Ecology Symposium
- ADAS, 1996. Assessing vegetation characteristics of enclosed grassland using satellite imagery
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| Remote Sensing | - Mino, N., Saito, G. and Ogawa, S., 1998. Satellite monitoring of changes in improved grassland management. International Journal of Remote Sensing. 19:439-452.
- Inoue, Y., Morinag, S. and Tomita, A., 2000. A blimp based remote sensing system for low-altitude monitoring of plant variables: a preliminary experiment for agricultural and ecological applications. International Journal of Remote Sensing. 21:379-385.
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