Assertion: conifer | /r/CapableOf | contribute to the biosphere
Facets:
value: through photosynthesis
type: MANNER
value: greatly
type: DEGREE
Source sentences:
text: Where conifers are ecologically dominant, as in the boreal and montane forests of the Northern Hemisphere, including the Douglas fir forests of western North America , they may make up 90 percent or more of all the living matter and they contribute greatly to the biosphere through photosynthesis .