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CABI Book Chapter

Field and laboratory methods for grassland and animal production research.

Book cover for Field and laboratory methods for grassland and animal production research.

Description

This book brings together a range of methods used to study grasslands (both temperate and tropical) and ruminant performance, including: grassland vegetation and its measurement; pattern analysis in grassland and animal production systems; modelling pasture and animal production; measuring botanical composition of grasslands; measuring sward structure; plant population dynamics in grasslands; meas...

Chapter 4 (Page no: 67)

Measuring botanical composition of grasslands.

The methods available for the determination of the botanical composition of grasslands are reviewed with reference to a range of objectives for which such a study may be carried out. Studies at the global, national/regional, farm, paddock and patch scale are discussed. While it is possible using GIS to scale up from detailed studies, it is not yet possible to scale down from global to detailed studies. Sampling strategies and sampling methods are described, including the determination of quadrat size. The use of transects and point quadrats is also discussed. Sections are provided on the properties of grassland vegetation, patterns, diversity and species richness, ground cover, plant density, presence/absence data, and the analysis of seed banks.

Other chapters from this book

Chapter: 1 (Page no: 1) Grassland vegetation and its measurement. Author(s): 't Mannetje, L. Jones, R. M.
Chapter: 2 (Page no: 9) Pattern analysis in grassland and animal production systems. Author(s): Kelly, A. M. Basford, K. E.
Chapter: 3 (Page no: 29) Modelling pasture and animal production. Author(s): Rickert, K. G. Stuth, J. W. McKeon, G. M.
Chapter: 5 (Page no: 103) Measuring sward structure. Author(s): Laca, E. A. Lemaire, G.
Chapter: 6 (Page no: 123) Plant population dynamics in grasslands. Author(s): Hay, M. J. M. Jones, R. M. Orr, D. M.
Chapter: 7 (Page no: 151) Measuring biomass of grassland vegetation. Author(s): 't Mannetje, L.
Chapter: 8 (Page no: 179) Evaluation of species and cultivars. Author(s): Schultze-Kraft, R. 't Mannetje, L.
Chapter: 9 (Page no: 205) Remote sensing in vegetation and animal studies. Author(s): Roderick, M. L. Chewings, V. Smith, R. C. G.
Chapter: 10 (Page no: 227) Assessing rangeland condition and trend. Author(s): Friedel, M. H. Laycock, W. A. Bastin, G. N.
Chapter: 11 (Page no: 263) Measuring chemical composition and nutritive value in forages. Author(s): Adesogan, A. T. Givens, D. I. Owen, E.
Chapter: 12 (Page no: 279) Measuring physical, chemical and biological soil parameters in grasslands. Author(s): Bouma, J. Curry, J. P. Houba, V. J. G.
Chapter: 13 (Page no: 305) Measuring and monitoring nitrogen and phosphorus flows and losses in grassland systems. Author(s): Jarvis, S. C. Oenema, O.
Chapter: 14 (Page no: 327) Designing animal production studies. Author(s): Bransby, D. I. Maclaurin, A. R.
Chapter: 15 (Page no: 353) Measuring animal performance. Author(s): Coates, D. B. Penning, P.
Chapter: 16 (Page no: 403) Development-oriented socioeconomic methods in grassland and animal production research. Author(s): Waters-Bayer, A. Bayer, W.