Assertion: weir's effect | /r/HasProperty | detrimental
Facets:
Source sentences:
text: Because a weir will typically increase the oxygen content of the water as it passes over the crest, a weir can have a detrimental effect on the local ecology of a river system.
text: While a weir will typically increase the oxygen content of the water as it passes over the crest, a weir can have a detrimental effect on the local ecology of a river system.