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A miniature world in decline : European Red List of Mosses, Liverworts and Hornworts

Författare:
  • Hodgetts Nick
  • Nils Cronberg
  • Jan Żarnowiec
Publiceringsår: 2019
Språk: Engelska
Sidor:
Dokumenttyp: Bok
Förlag: IUCN

Abstract english

Aim
This Red List is a summary of the conservation status of the European species of mosses, liverworts and hornworts, collectively known as bryophytes, evaluated according to IUCN’s Guidelines for Application of IUCN Red List Criteria at Regional Level. It provides the first comprehensive, region-wide assessment of bryophytes and it identifies those species that are threatened with extinction at a European level, so that appropriate policy measures and conservation actions, based on the best available evidence, can be taken to improve their status.
Scope
All bryophytes native to or naturalised in Europe (a total of 1,817 species), have been included in this Red List. In Europe, 1,796 species were assessed, with the remaining 21 species considered Not Applicable (NA). For the EU 28, 1,728 species were assessed, with a remaining 20 species considered NA and 69 species considered Not Evaluated (NE). The geographical scope is continent- wide, extending from Iceland in the west to the Urals in
the east, and from Franz Josef Land in the north to the Canary Islands in the south. The Caucasus region is not included. Red List assessments were made at two regional levels: for geographical Europe and for the 28 Member States of the European Union.
Results
Overall, 22.5% of European bryophyte species assessed in this study are considered threatened in Europe, with two species classified as Extinct and six assessed as Regionally Extinct (RE). A further 9.6% (173 species) are considered Near Threatened and 63.5% (1,140 species) are assessed as Least Concern. For 93 species (5.3%), there was insufficient information available to be able to evaluate their risk of extinction and thus they were classified as Data Deficient (DD). The main threats identified were natural system modifications (i.e., dam construction, increases in fire frequency/intensity, and water management/use), climate change (mainly increasing frequency of droughts and temperature extremes), agriculture (including pollution from agricultural effluents) and aquaculture.

Keywords

  • Botany

Other

Published
  • ISBN: 978-2-8317-1993-1
  • ISBN: 978-2-8317-1994-8
Nils Cronberg
E-post: nils [dot] cronberg [at] biol [dot] lu [dot] se

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