Now showing items 1-7 of 7
The use of Cape gannets Morus capensis in management of the purse-seine fishery of the western Cape.
A large purse-seine fishery is located in the highly productive southern Benguela System off the western Cape. Purseseine fisheries have been prone to collapse worldwide and management practices have met with limited ...
A study of the genera Justicia L. and Siphonoglossa oerst. (Acanthaceae) in southern Africa
A comprehensive revision of the genus Justicia L and, the closely related genera Siphonoglossa Oersted and Aulojusticia Lindau in southern Africa was undertaken as part of the Flora of Southern Africa project. Taxonomic ...
The physiology of flowering with contributions by in vitro techniques.
Abstract cannot be copied from pdf document.
The biology and systematic relationships of Crowned, Blackwinged and Lesser Blackwinged Plovers.
Plovers was compared with particular reference to breeding biology, feeding ecology and habitat preference. Crowned and Blackwinged Plovers coexisted in mixed flocks in grasslands which aided predator detect ion and ...
The feeding ecology of nectarivorous birds in the Natal Drakensberg.
No abstract available.
Biological nitrogen fixation (acetylene reduction) associated with blue-green algal communities in the Mgeni estuary mangrove swamp.
Nitrogen fixation of blue-green algae associated with Avicennia marina (Forssk.) Vierh. pneumatophores and wet and dry surface sediments were investigated in the Mgeni Estuary mangrove swamp by means of the acetylene reduction ...
On the ecology of hyperscum-forming Microsystis aeruginosa in a hypertrophic African lake.
Light is the primary source of energy in most of earth's ecosystems . In freshwater ecosystems the major interacting factors that determine the abundance and species composition of planktonic phototrophs, the primary ...