Attributes of British and Irish Plants - Natural Environment Research ...
Attributes of British and Irish Plants - Natural Environment Research ...
Attributes of British and Irish Plants - Natural Environment Research ...
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CON TEN TS<br />
Int roduction<br />
Species, fam ilies, stat us <strong>and</strong> change 3<br />
Species <strong>and</strong> families . 3<br />
Native/afi en status . 3<br />
Conservation status . . . 3<br />
Rarity status . 3<br />
Change Index . 4<br />
Size <strong>and</strong> life history at tributes . . .<br />
Height <strong>and</strong> length .<br />
Perennation . 5<br />
Life form . . . . . 5<br />
Woodiness<br />
Clonality<br />
Geographic attributes<br />
European <strong>and</strong> wider distributions, <strong>and</strong> continentality . . 9<br />
Native distribution <strong>of</strong> species alien in Britain <strong>and</strong> Irel<strong>and</strong> . . . 10<br />
Counts <strong>of</strong> 10-km squares in the New Atlas . 10<br />
Climatic means 11<br />
H abitat att ributes . . . . . 12<br />
Coastal species . 12<br />
Broad Habitats . 12<br />
Ellenberg's indicator values . 14<br />
Light values (L) . 14<br />
Moisture values (F) . 15<br />
Reaction (R) . 16<br />
Nitrogen (N) . . . 16<br />
Sak tolerance (S) . . 17<br />
Listing <strong>of</strong> species with their attributes 18<br />
A ppendix 6 1<br />
Sources for plant height . . 6 1<br />
Defi nition <strong>of</strong> life forms . 6 1<br />
Examples <strong>of</strong> how fi fe-form criteria are applied . . 62<br />
Links between life forms <strong>and</strong> plant height . 63<br />
Clonality . 64<br />
Broad Habitats . 64<br />
Initial calculation <strong>of</strong> species' preferences for Broad Habitats . 68<br />
Extension <strong>and</strong> validation <strong>of</strong> species' preferences . 69<br />
Acknowledgem ent s 70<br />
Bibliography 7 1