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David Pearman

Researcher at Botanical Society of Britain and Ireland

Publications -  17
Citations -  2439

David Pearman is an academic researcher from Botanical Society of Britain and Ireland. The author has contributed to research in topics: Flora & Population. The author has an hindex of 12, co-authored 16 publications receiving 1728 citations. Previous affiliations of David Pearman include Botanical Society of America.

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No saturation in the accumulation of alien species worldwide.

Hanno Seebens, +53 more
TL;DR: In this paper, the authors used a database of 45,813 first records of 16,926 established alien species and showed that the annual rate of first records worldwide has increased during the last 200 years, with 37% of all first records reported most recently (1970-2014).
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Global rise in emerging alien species results from increased accessibility of new source pools.

Hanno Seebens, +60 more
TL;DR: Using a global database of the first regional records of alien species covering the years 1500–2005, a surprisingly high proportion of species in recent records that have never been recorded as alien before are detected.
Journal ArticleDOI

Archaeophytes in Britain.

TL;DR: The concept of ‘archaeophytes’ (alien taxa which became established in a study area before AD 1500) is widely used in floristic analyses in central and northern Europe, but few authors have applied it to the British flora.