Africa
which are obtained from Senegambia and the steppe regions of North Africa
(Kordofan, &c.); gum copal, a valuable resin produced by trees of the
leguminous order, the best, known as Zanzibar or Mozambique copal, coming
from the East African Trachylobium hornemannianum, and also found in a
fossil state under the soil; kola nuts, produced chiefly in the coast-lands
of Upper Guinea by a tree of the order Sterculiaceae (Kola acuminata);
archil or orchilla, a dye-yielding lichen (Rocella tinctoria and
triciformis) growing on trees and rocks in East Africa, the Congo basin,
&c.; cork, the bark of the cork oak, which flourishes in Algeria; and alfa,
a grass used in paper manufacture (Machrochloa tenacissima), growing in
great abundance on the dry steppes of Algeria, Tripoli, &c. A product to
which attention has been paid in Angola is the Almeidina gum or resin,
derived from the juice of Euphorbia tirucalli.
The cultivated products include those of the tropical and warm temperate
zones. Of the former, coffee is perhaps the most valuable indigenous plant.
It grows wild in many parts, the home of one species being in Kaffa and
other Galla countries south of Abyssinia, and of another in Liberia. The
Abyssinian coffee is equal to the best produced in any other part of the
world. Cultivation is, however, necessary to ensure the best results, and
attention has been given to this in various European colonies. Plantations
have been established in Angola, Nyasaland, German East Africa, Cameroon,
the Congo Free State, &c.
Copra, the produce of the cocoa-nut palm, is supplied chiefly by Zanzibar
and neighbouring parts of the east coast. Groundnuts, produced by the
leguminous plant, Arachis hypogaea, are grown chiefly in West Africa, and
the largest export is from Senegal and the Gambia; while Bambarra ground-
nuts (Voandzeia subterranea) are very generally cultivated from Guinea to
Natal. Cloves are extensively grown on Zanzibar and Pemba islands, Pemba
being the chief source of the world's supply of cloves. The chief drawbacks
to the industry are the fluctuations of the yield of the trees, and the
risk of over-production in good seasons.
Cotton grows wild in many parts of tropical Africa, and is exported in
small quantities in the raw state; but the main export is from Egypt, which
comes third among the world's sources of supply of the article. It is also
cultivated in West Africa—the industry in the Guinea coast colonies having
been developed since the beginning of the 20th century—and in the Anglo-
Egyptian Sudan, whence came the plants from which Egyptian cotton is
grown. Sugar, which is the staple crop of Mauritius, and in a lesser degree
of Reunion, is also produced in Natal, Egypt, and, to a certain extent, in
Mozambique. Dates are grown in Tunisia and the Saharan oases, especially
Tafilet; maize in Egypt, South Africa and parts of the tropical zone; wheat
in Egypt, Algeria and the higher regions of Abyssinia; rice in Madagascar.
Wine is largely exported from Algeria, and in a much smaller quantity from
Cape Colony; fruit and vegetables from Algeria. Tobacco is widely grown on
a small scale, but, except perhaps from Algeria, has not become an
important article of export, though plantations have been established in
various tropical colonies. The cultivation of cocoa has proved successful
in the Gold Coast, Cameroon and other colonies, and in various districts
the tea plant is cultivated. Indigo, though not originally an African
product, has become naturalized and grows wild in many parts, while it is
also cultivated on a small scale. The main difficulty in the way of
tropical cultivation is the labour question, which has already been
referred to.
Of animal products one of the most important is ivory, the largest export
of which is from the Congo Free State. The diminution in the number of
elephants with the opening up of the remoter districts must in time cause a
falling-off in this export. Beeswax is obtained from various parts of the
interior of West Africa, and from Madagascar. Raw hides are exported in
large quantities from South Africa, as are also the wool and hair of the
merino sheep and Angora goat. Both hides and wool are also exported from
Algeria and Morocco, and hides from Abyssinia and Somaliland. Ostrich
feathers are produced chiefly by the ostrich farms of Cape Colony, but some
are also obtained from the steppes to the north of the Central Sudan. Live
stock, principally sheep, is exported from Algeria and cattle from Morocco.
The exploited minerals of Africa are confined to a few districts, the
resources of the continent in this respect being largely
Mineral Wealth.
undeveloped. Since the discovery of gold in the Transvaal, particularly in
the district known as the Rand (1885), the output has grown enormously, so
that in 1898 the output of gold from South Africa was greater than from any
other gold-field in the world. The Anglo-Boer War of 1899-1902 lost the
Rand the leading position, but by 1905 the output—in that year over L.
20,800,000—was greater than it had ever been. The supply of gold from South
Africa is roughly 25% of the world's output. The gold-yielding formations
extend northwards through Rhodesia. The Gold Coast is so named from the
quantity of gold obtained there, and since the close of the 19th century
the industry has developed largely in the hands of Europeans. In the Galla
countries gold has long been an article of native commerce. It is also
found in various parts of the Anglo-Egyptian Sudan and along the western
shore of the Red Sea. Diamonds are found in large quantities in a series of
beds known as the Kimberley shales, the principal mines being at Kimberley,
Cape Colony. Diamonds are also found in Orange River Colony, while one of
the richest diamond mines in the world—the Premier—is situated in the
Transvaal near Pretoria. Some 80% of the world's production of diamonds
comes from South Africa. Copper is found in the west of Cape Colony, in
German South-West Africa, and in the Katanga country in the southern Congo
basin, where vast beds of copper ore exist. There are also extensive
deposits of copper in the Broken Hill district of Northern Rhodesia. It
also occurs in Morocco, Algeria, the Bahr-el-Ghazal, &c. Rich tin deposits
have been found in the southern Congo basin and in Northern Rhodesia. Iron
is found in Morocco, Algeria (whence there is an export trade), and is
widely diffused, and worked by the natives, in the tropical zone. But the
deposits aregenerally not rich. Coal is worked, principally for home
consumption, in Cape Colony, Natal, the Transvaal, Orange River Colony, and
in Rhodesia in the neighbourhood of the Zambezi. Coal deposits also exist
in the German territory north of Lake Nyasa. Phosphates are exported from
Algeria and Tunisia. Of other minerals which occur, but are little worked,
zinc, lead and antimony are found in Algeria, lead and manganese in Cape
Colony, plumbago in Sierra Leone.
The imports from foreign countries into Africa consist chiefly of
manufactured goods, varying in character according to the development of
the different countries in civilization. In Egypt, Algeria and South Africa
they include most of the necessaries and luxuries of civilized life,
manufactured cotton and woollen goods, especially the former, taking the
first place, but various food stuffs, metal goods, coal and miscellaneous
articles being also included. In tropical Africa, and generally where few
Europeans have settled, the great bulk of the imports consists as a rule of
cotton goods, articles for which there is a constant native demand.
No continent has in the past been so lacking in means of communication as
Africa, and it was only in the last decade
Development of means of communication.
of the 19th century that decided steps were taken to remedy these defects.
The African rivers, with the exception of the middle Congo and its
affluents, and the middle course of the three other chief rivers, are
generally unfavourable to navigation, and throughout the tropical region
almost the sole routes have been native footpaths, admitting the passage of
a single file of porters, on whose heads all goods have been carried from
place to place. Certain of these native trade routes are, however, much
frequented, and lead for hundreds of miles from the coast to the interior.
In the desert regions of the north transport is by caravans of camels, and
in the south ox-wagons,before the advent of railways, supplied the general
means of locomotion. The native trade routes led generally from the centres
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