Page 64 - Geography for Secondary Schools Student’s Book Form One
P. 64
Geography for Secondary Schools
Student’s Book Form One
coral polyps. Examples of coral islands grasslands. Such forests and grasslands are
are the Maldives, Aldabra, Bermuda, and made of plants, trees, shrubs, grasses, and
St. Martines Islands. other green vegetation species. Moreover,
some vegetation occupies the water bodies
and is referred to as aquatic vegetation. The
Activity 4.6 aquatic vegetation consists of plant species
FOR ONLINE READING ONLY
such as algae or seaweed, duckweed, and
Study the world map showing major other marsh, or mangrove vegetation.
rivers. Then, do the following:
However, much of the world’s landmass
(a) Identify and locate major oceans, is covered by grasslands.
seas, and lakes.
(b) Identify the respective countries (a) Natural vegetation
through which the Nile, Congo, and
Amazon rivers flow. Natural vegetation refers to vegetation that
(c) Where do rivers in (b) empty their grows in a particular region without direct
influence of human beings. It grows under
water?
natural physical conditions that have not
been disturbed by people. The vegetation
Vegetation adapts to the specific environmental
conditions of the place. Natural vegetation
Vegetation refers to a community of
plants, trees, shrubs, grasses, mosses, includes woodlands, forests, grasslands,
ferns, and other green species that grow desert vegetation and swamp vegetation.
in a particular area. Vegetation gives an
area a distinct character. It forms the Woodlands
natural landscape of a place. It is an Woodlands are wide regions covered by
important feature that forms an essential open and low-density trees. Woodlands
part of the earth’s surface. Vegetation are habitat of different plant species
supports various animal species, maintains and animals. Examples of woodlands in
ecological balance, and contributes to the Tanzania include the Miombo woodlands
overall health of the environment through found in Tabora and Ruvuma regions.
temperature regulation, rain formation and
soil protection against erosion.
Forests
Types of vegetation Forest refers to a large area of land covered
The vegetation on the surface of the Earth predominantly with tall trees and other
woody vegetation, creating a dense and
can be categorised into natural vegetation extensive ecosystem (Figure 4.12). In
and planted vegetation. The main vegetation Tanzania, most of these natural forests have
cover of the earth’s surface is forests and been designated as forest reserves, national
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