Table 1.

Description of study location in Tanzania, Côte d’Ivoire and India

Features	Tanzania	Côte d’Ivoire	India
Location of the study	Bagamoyo district in the Coastal region, located 70 km North of Dar Es Salaam	Tiassalé district in the Agnéby-Tiassa region, located 135 km North of Abidjan, in Southern Côte d’Ivoire	Kurnool district in the Andhra Pradesh state. Study villages are on the embankment of the river Tungabhadra
Global positioning system	Latitudes 6° 37ʹ South Longitudes 38° 58ʹ East	Latitude 5° 54′ North Longitude 4° 50′ West	Latitude 15° 81′ North Longitude 77° 96′ East
Tropical Climate	An average annual rainfall of 900 mm and temperature of 28 °C	An average annual rainfall of 1739 mm and temperature of 26.6 °C	An average annual rainfall of 705 mm and temperatures ranging from 26 to 46 °C in the summer and 12 °C to 31 °C in the winter
Economic activities of inhabitants	Most of the inhabitants are small-scale farmers	Most of the inhabitants are subsistence farmers and civil servants	Most of the inhabitants are small-scale subsistence farmers and civil servants