Plant diversity in a changing world: Status, trends, and conservation needs

Plant Diversity
Richard T Corlett

Abstract

The conservation of plants has not generated the sense of urgency-or the funding-that drives the conservation of animals, although plants are far more important for us. There are an estimated 500,000 species of land plants (angiosperms, gymnosperms, ferns, lycophytes, and bryophytes), with diversity strongly concentrated in the humid tropics. Many species are still unknown to science. Perhaps a third of all land plants are at risk of extinction, including many that are undescribed, or are described but otherwise data deficient. There have been few known global extinctions so far, but many additional species have not been recorded recently and may be extinct. Although only a minority of plant species have a specific human use, many more play important roles in natural ecosystems and the services they provide, and rare species are more likely to have unusual traits that could be useful in the future. The major threats to plant diversity include habitat loss, fragmentation, and degradation, overexploitation, invasive species, pollution, and anthropogenic climate change. Conservation of plant diversity is a massive task if viewed globally, but the combination of a well-designed and well-managed protected area system and ex situ gap...Continue Reading

Citations

Oct 28, 2019·Nature·UNKNOWN One Thousand Plant Transcriptomes Initiative
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Jun 1, 2021·PeerJ·Mihaela UrziceanuTatiana Eugenia Sesan
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Jun 1, 2021·Conservation Biology : the Journal of the Society for Conservation Biology·Reed F NossAlan Weakley
Nov 27, 2020·Biotechnology Advances·Rujia ChenZefeng Yang

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