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The biology and systematic relationships of Crowned, Blackwinged and Lesser Blackwinged Plovers.
(1987)
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 ...
Physiological aspects of shoot growth regulation in juvenile and adult Citrus sinensis (L.) Osbeck.
(1982)
As the requirements for more efficient and economical crop production
emerge, so the need for a better understanding of plant growth and development
is felt. It is especially the need to understand means by which man
may ...
Aspects of the biology and population dynamics of freshwater mussels in Lake Kariba and Lake McIlwaine.
(1980)
Following preliminary observations in 1975 the
Lake Kariba Fisheries Research Institute implemented a research
program in March 1976 to investigate various aspects of the
biology and population dynamics of the mussel ...
Potential of established pastures in the winter rainfall region.
(1986)
The seasonal production of 11 pastures was evaluated in
dryland and irrigated trials at eight sites in the Winter
Rainfall Region. These data were related to ...
Dormancy and germination of the Manketti nut, Ricinodendron rautanenii.
(1982)
The distribution of Ricinodendron rautanenii trees is
confined to a fairly distinct band across southern
Africa. This stretches from South West Africa in the
west, through Botswana and Zimbabwe, to Mozambique in
the ...
A study of the blackshouldered kite Elanus caeruleus.
(1982)
No abstract available.
A revision of the genus Ancilla Lamarck, 1799 (Mollusca : Olividae : Ancillinae)
(1982)
The genus Ancilla Lamarck, 1799, contains 34 valid species and
subspecies; 41 names previously applied to the group are reduced to
23, and 11 new species described (Kilburn, 1977, 1980, 1981). A
provisional subgeneric ...
An evaluation of irrigated ryegrass/clover pastures for fat lamb production in the Highland Sourveld of Natal.
(1986)
The primary objective of this study was to increase net farm income in the Highland Sourveld of Natal by developing pasture based fat lamb
production systems. Secondary objectives included (a) determination of ...
Tissue culture studies on Peperomia clusifolia Hook. and Strongylodon macrobotrys A. Gray.
(1982)
Tissue culture studies were carried out on two
ornamental plant species, Strongylodon macrobotrys A. Gray
and Peperomia clusifolia Hook. Successful in vitro
regeneration of plantlets was achieved in the latter species,
using ...
Aspects of the biology of the caracal (Felis caracal Schreber, 1776) in the Cape Province, South Africa.
(1982)
Felis caracal, despite heavy hunting pressure, is common
and widespread throughout the Cape Province. Caracal
are considered to be the principal wild predator of
domestic livestock (goats and sheep) by most farmers ...