Geography & History Notes | KCSE, NECTA, ZIMSEC & GCSE

  The river is large natural stream or mass of water flowing in the valley. Rivers their valley and the resultant features have both positive and negative influences on physical and human environment. The following are the importance of rivers in Africa. River water is used for both industrial and domestic purpose. Water supply to many urban area is pumped from rivers. For example the water supplied to dare s salaam regional in Tanzania comes from river Ruvu. Water from rivers are suitable for irrigation since they are fresh wate r. Irrigation is helpful especially in dry areas as well as in other regional which receive inadequate rainfall. The river water is used to supplement rainfall in order to ensure continuous crop production throughout the year. Example of areas which practice irrigation include Gezira irrigation scheme in Sudan which depend on water of Blue Nile . Rivers can be used to transport people and goods (navigation) . Navigable rivers or their section are used as ...

Deltas have fertile soils used for agriculture. Deltas are also used for settlement e.g. Nile delta. Deltas are also used for navigation e.g. Niger delta. Deltas are used for fishing purposes e.g. Nile delta. There is oil mining in the Nile delta. Mangrove swamps in the Rufiji delta are used for building poles. The papyrus swamps in them can be used for making hand crafts for example at albert Nile delta. Deltas hinder the construction communication lines. Swamps in delta also hinder settlement. Delta areas are usually prone at flooding and can destroy people’s property. They harbor disease causing vectors such as snails and mosquitoes RELATED POSTS COMPARISON BETWEEN FISHING IN KENYA AND JAPAN THE CONCEPT OF ENVIRONMENT, COMPONENTS OF ENVIRONMENT AND THE PROBLEM FACING ENVIRONMENT Five (5) Advantages of questionnaire as data collection tool in research 5 DISADVANTAGES OF ROAD TRANSPORT 10 FACTORS THAT AFFECT OCEAN SALINITY CAUSES AND EFFECTS OF OCEAN BREEZE AND SEA BREEZE PLATE TECTON...