Optimum population refers to the size of a population that produces the best results according to chosen end targets.
Overpopulation is an undesirable condition where the number of existing human population exceeds the carrying capacity of Earth.
Under population is a situation where the population is too small relative to the available resources.
migration is the movement of people from one place to another with the intentions of settling, permanently or temporarily at a new location.
(i) High demand in industry.
(ii) Increased Human Resources
(i) Increase in unemployment
(ii) It causes over use of natural resources
(i) Limited area of operation: It can be used only in a limited area which is served by deep canals and rivers.
(ii) Seasonal fluctuations in the volume of rivers: Rivers and canals cannot be operated for transportation throughout the year as water may freeze during winter or water level may go very much down during summer.
(iii) Siltation of rivers: deposition of sediments or particulate matter carried by the flowing water of the river due to gravity and turbulence leads to change in river course which causes dislocation in the normal route of the trade.
(iv) Capital intensive: Dredging of harbours and waterways requires large amounts of capital to achieve.
[Pick any TWO]
(i) Dredging of rivers
(ii) Construction of cannals
(iii) Water weeds should be put under permanent control
(iv) Loans should be granted to construct and maintain seaports
This basin is found in Cross River, Akwa Ibom and parts of Abia states.
Important resources include crops like yams, cassava, rice, oil palm, rubber, timber, fish, limestone and petroleum.
(4iii) Economic activities:
The main economic activities therefore include:
(i) Farming which leads to production of food and cash crops like rubber, oil palm, etc
(ii) Fishing due to presence of rivers and ocean.
(iii) Lumbering due to presence of economic trees (timber).
(iv) Mining due to presence of limestone and petroleum
(4iv) Problems of development:
(i)Transport is very poor owing to presence of many rivers and swamps.
(ii) Soil erosion due to heavy rainfall.
(iii) Water and land pollution due to mining of petroleum.
(iv) Problems of farming and fishing created by oil spillage.
(i) To promote economic corporation among member-states
(ii) To promote trade among member-states
(iii) To promote free movement of people within the sub-region, without visa.
(iv) To eventually establish a common currency.
(v) To contribute to a common fund to be used to compensate countries that loose economically, as result of their membership of the organization
(i) Development of common market: The establishment of ECOWAS has led to the development of common market for goods produced within the sub-region
(ii) Development of international communication: It has also help ensured the development of international communication among member – state eg roads and telecommunication network.
(iii) Promotion of sports: ECOWAS has also helped to link members within the sub-region in the promotion of sports eg WAFU competitions.
(iv) Free movement of people: It had also promoted the free movement of people,thereby abolishing the use of visa
(v) Education interaction: The free movement oof people has also led to educational interaction within the sub-region
(vi) Cultural integration: It has also led to cultural integration through free movement of people.