African rainforests: past, present and future.

Philos Trans R Soc Lond B Biol Sci · 2013 · PMC3720030 · PMID 23878339

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

All documented studies of woody encroachment coincide with an increasing trend of NDVI at the same locale (though not always significant).

also in 63,971 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.