Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Charles F Musil"'
Publikováno v:
Functional plant biology : FPB. 30(3)
Vigna unguiculata (L.) Walp. (cowpea), Glycine max (L.) Merr (soybean) and Phaseolus vulgaris (L.) (common bean) plants were exposed to UV-B radiation at above- and below-ambient levels, and their effects on growth, symbiotic performance and root con
Publikováno v:
South African Journal of Science, Vol 106, Iss 1/2 (2010)
This paper provides a synthesis of current knowledge on phytoplankton production, seasonality, and stratification in tropical African lakes and considers the effects of nutrient enrichment and the potential impacts of climate warming on phytoplankton
Externí odkaz:
https://doaj.org/article/66100f30bad949b19e51c8bf6d429725
Publikováno v:
Journal of Water Resource and Hydraulic Engineering. 4:286-292
Publikováno v:
African Journal of Ecology. 54:281-288
We examined the efficacy of seed enumeration and videographic techniques for determining seed removal by birds from indigenous (Chrysanthemoides monilifera and Olea europaea subsp africana) and alien (Lantana camara and Solanum mauritianum) shrubs at
Publikováno v:
African Journal of Ecology. 52:228-236
Predicted elevated temperatures and a shift from a winter to summer rainfall pattern associated with global warming could result in the exposure of hydrated lichens during summer to more numerous temperature extremes that exceed their thermal thresho
Publikováno v:
Plant Ecology. 214:1181-1187
With a high percentage of endemics along the west coast of South Africa, especially in the family Aizoaceae, the region is considered one of the earth’s biodiversity hot spots. It has been suggested that the diversity and radiation of the Aizoaceae
Publikováno v:
South African Journal of Botany. 86:73-78
We compared daily visitation frequency indices by 4 large (>150g), 7 medium-size (50–150g), 5 small (30–50g) and 8 and tiny (
Publikováno v:
Agricultural and Forest Meteorology. 161:72-79
a b s t r a c t Stem diameter variations relative to atmospheric vapour pressure deficits and the corresponding differ- ences in pre-dawn and late dusk foliar organic acids were measured in 4 evergreen and 2 partly drought deciduous succulent shrubs.