In those ten MOH areas that included plantation populations, the plantations were listed in alphabetical order and then randomly reorganised.
As with pregnant teenagers, the required sample size was stratified across the MOH areas and the plantation populations.
In those ten MOH areas that included plantation populations, the target sample size was further stratified across plantation and non-plantation areas in proportion to these population sizes (with one fifth of the samples being drawn from plantation areas).
The entertainment allure to non-plantation populations is described by a male key informant in the following way: " Some people come here to visit their relatives.
The combination of large numbers of people, bars and market outlets, as well as the availability of electricity, sometimes pipe-borne water, and playgrounds, appeared to draw adjacent non-plantation populations into the camps during leisure hours.
Groundwater developments in the district have been under serious threat due to anthropogenic activities (mining, waste management system and oil seepage), agricultural practises (rubber plantation), increased population and lack of knowledge on the hydrochemistry, the hydrogeochemistry, the hydrogeology and the groundwater recharge and its origin.
Because its rocky, arid soil never supported slave plantations, the population of the island is mostly of European descent (Swedish and French), and the spoken language is a 17th-century dialect of Normandy.
In places with these gum plantations, the population of the larva of the cossid moth Xyleutes boisduvali grows, which then leads to increased predation (and hence tree damage) by cockatoos.
Reported at the time to be the worst flood in the nation's history, the disaster decimated banana plantations and population centers after rivers flowed up to 50 feet above normal.
