Photographic standards for estimating comparative yield in arid rangelands
1988
Friedel, M.H. (Commonwealth Scientific and Industrial Research Organization, Alice Springs (Australia). Div. of Wildlife and Ecology) | Bastin, G.N. (Northern Territory Dept. of Primary Production, Alice Springs (Australia))
The conventional comparative-yield method is liable to large errors between operators, not easily reduced by calibration, and is too time-consuming for monitoring purposes. A modified scheme using photographic standards, while still suject to operator differences, can reduce them with calibration, is rapid and easy, and can be used with the dry-weight-rank technique for species composition.
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