Response of a sand-plain lowland fynbos ecosystem to nutrient additions
Doctoral Thesis
1988
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University of Cape Town
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Abstract
The effects of a complete factorial fertilizer addition of nitrogen (N), phosphorus (P) and a mixture of all essential nutrients excluding N and P (M) on various components of the soils and vegetation of a sand-plain lowland fynbos ecosystem at Pella, south-western Cape Province, South Africawere studied, namely: 1) Soil nutrient dynamics. 2) Phenology, shoot growth, reproductive output and nutrient acquisition in a proteoid (Leucospermum parile) and an ericoid (Phylica cephalantha) evergreen shrub. 3) Dry mass, phosphorus and nitrogen allocations to the various above and below ground organs of pre-reproductive and reproductive male plants of Thamnochortus punctatus (Restionaceae). 4) Litter production and nutrient return. 5) Above-ground phytomass, nitrogen and phosphorus contents of the representative plant growth forms in response to non-factorial addition of N, P and M. 6) Foliage projective cover of the representative growth forms of sand-plain lowland fynbos.
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Bibliography: leaves 237-258.
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Reference:
Witkowski, E. 1988. Response of a sand-plain lowland fynbos ecosystem to nutrient additions. University of Cape Town.