Table 4.

Qualitative assessments of lacustrine conditions of River Nanakwaw

Inspections at River Nanakwaw	Ecological habitats
	Floating grasses	Open beaches	Aquatic weeds
Bulinus species	None observed	Bulinus truncatus	Bulinus truncatus
Presence of aquatic weeds	Non observed	Ceratophyllum demersum	Ceratophyllum demersum
Other submerged vegetation	Yes	Yes	None observed
Other organic materials with B. truncatus	Decayed palm fronds	Decayed palm fronds	Decayed palm fronds
Flow rate of River	Slow	Slow	Slow
Occupational activities within 50 m	None observed	Farming, fishing	Farming, fishing
Human activities	Non observed	Washing, bathing, fetching water	Washing, fetching water
Presence of livestock	Yes	Yes	Yes
Urination/defecation	None observed	Non observed	Non observed

Based on 3-days observations