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Plant diversity in a changing world: status, trends and conservation needs
Richard T. Corlett
2016
Source PublicationPlant Diversity
Volume38Issue:1Pages:10-16
AbstractThe 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-filling and back-up should work anywhere. The most urgent needs are for the completion of the global botanical inventory and an assessment of the conservation status of the 94% of plant species not yet evaluated, so that both in and ex situ conservation can be targeted efficiently. Globally, the biggest conservation gap is in the hyperdiverse lowland tropics and this is where attention needs to be focused.
KeywordLand Plants Diversity Patterns Threats In Situ Conservation Ex Situ Conservation
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10066
Collection2012年后新成立研究组
Recommended Citation
GB/T 7714
Richard T. Corlett. Plant diversity in a changing world: status, trends and conservation needs[J]. Plant Diversity,2016,38(1):10-16.
APA Richard T. Corlett.(2016).Plant diversity in a changing world: status, trends and conservation needs.Plant Diversity,38(1),10-16.
MLA Richard T. Corlett."Plant diversity in a changing world: status, trends and conservation needs".Plant Diversity 38.1(2016):10-16.
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