European Red List of Vascular Plants - European Commission

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Appendix 3. Methodology for spatial analyses Data were analysed using a geodesic discrete global grid system, defined on an icosahedron and projected to the sphere using the inverse Icosahedral Snyder Equal Area (ISEA) Projection (S39). This corresponds to a hexagonal grid composed of individual units (cells) that retain their shape and area (864 km 2 ) throughout the globe. These are more suitable for a range of ecological applications than the most commonly used rectangular grids (S40). The range of each species was converted to the hexagonal grid for analysis purposes. Coastal cells were clipped to the coastline. Patterns of species richness (Figures 5, 14, 21) were mapped by counting the number of species in each cell (or cell section, for species with a coastal distribution). Patterns of endemic species richness were mapped by counting the number of species in each cell (or cell section for coastal species) that were flagged as being endemic to geographic Europe as defined in this project (Figures 6, 15, 22). Patterns of threatened species richness (Figures 7, 16, 23) were mapped by counting the number of threatened species (categories CR, EN, VU at the European regional level) in each cell or cell section. 124
Appendix 4. Example of species summary and distribution map The species summary gives all the information collated (for each species) during this assessment, including a distribution map. You can search for and download all the summaries and distribution maps from the European Red List website and data portal available online at http://ec.europa.eu/environment/ nature/conservation/species/redlist and http://www. iucnredlist.org/europe. 125
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European Red List of Vascular Plant
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Published by the European Commissio
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6. Discussion .....................
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Acknowledgements All of IUCN’s Re
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Andrés Vicente Pérez Latorre Lore
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are declining. But more interesting
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a global “biodiversity hotspot”
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The assessment provides three main
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level, and species complexes have b
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Convention includes 612 European pl
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3.2 Threat status of policy plants
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Figure 5. Species richness of polic
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Figure 7. Distribution of threatene
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indica aggressively compete for spa
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Today, agricultural production is c
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particularly important to Europe in
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ecause they are wild relatives of a
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Table 6. Threatened and extinct CWR
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It should be noted that the percent
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Figure 14. Species richness of Euro
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threatened species are endemic to t
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with the predicted range in 2055. T
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The following definition was consid
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Near Threatened. One species is Ext
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through Africa north and south of t
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5.4 Major threats to aquatic plants
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fertilisation. As a consequence man
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plant species are classed as Extinc
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into water bodies as run-off and ca
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the list are threatened but it also
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in natural populations within defin
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Greater Pasque Flower (Pulsatilla g
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■■ Raise the profile of CWR as
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References Anderson, S. 2002. Ident
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IPCC. 2007. Fourth Assessment Repor
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identifying_and_protecting_the_worl
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Family Species Red List Status Euro
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Appendix 2. Red List status of sele
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Family Species IUCN Red List Catego
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