Attributes of British and Irish Plants - Natural Environment Research ...

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IN TR OD UCTI ON In the course of our research on geographical distributions and climate change, we have frequent ly wanted to characterize the plants t hat const itute the wild fl ora of Britain and Ireland. Several sources of information were available, including t he Electronic Comparative Plant Ecology (Hodgson et al., 1994), t he Czech clonal plant database Clop la I (http.//www.butbn.cas.ce kfi mes/ clopla I .htm), t he BSBI database (http://www.bsbi.org.uk/html/database.html), t he Ecoflora database (Fitter & Peat, 1994), and the indicator values of Ellenberg (Ellenberg et S., 1991). Inevitably, these sources were not sufi cient for our purposes, and we have gradually assembled our own set of att ribute data, linked to t he database of the Biological Records Centre (BRC). The establishment of the National Biodiversity Network (NBN) provided an additional st imulus to the assembling of att ribute data, of ering a suitable platform for online searches for species att ributes. Some of the information published here is also available from the NBN gateway (www.searchnbn.net). In 2002, the publicat ion of the New Atlas of the British and Irish Flora (Preston, Pearman & Dines, 2002), toget her with results of a companion project to analyse change (Preston,Telfer et aL, 2002), allowed us to complete the dataset that is presented here. The dataset is partly old and partly new (Table 1). Biogeographic elements and Ellenberg values are taken with few modifi cat ions from earlier publications (Preston & Hill, 1997, 1999; Hill et 1999). Information that depends directly on the New Atlas is either new or (Change Index) is taken from the text of the New Atlas. Data on t he Broad Habitats of plants are mostly drawn from an unpublished report (Preston et al., 2003). Information on plant height, perennat ion, life form and clonal growt h was assembled from a variety of fl oras and monographs, with some personal observation; it is a new compilat ion. Furt her details of t hese att ributes are provided in t he following pages. The attribute categories are tabulated (Tables 2- 13), with the numbe of taxa in each category listed in the column 'N='.
Table I . Attributes, codes and names listed as columns in PLA NTATT Colum n nam e (a) Status and taxonomic Taxon name Family Nat ive status Conservation status Rarity status Change Index (b) Size and life form Height (terrest rial) Length (aquatic) Perennation Life form Woodiness Clonal spread (c) Geography & climate Major Biome (European dist ribut ion) Eastern limit code Continentality in Europe O rigin of alien taxa Number of 10-km squares in Britain (including Isle of Man) Number. of 10-km squares in Ireland Number of 10-km squares in Channel Islands January mean terhperature July mean temperature Annual precipitat ion (d) Habitat Coastal Broad Habitats Ellenberg indicator value A bbreviat ion Fam NS CS RS Chg Hght Len P I , P2 LF1, LF2 Clonel , Clone2 E I E2 O rigin GB IR CI Tjan Tjul Prec Co Br Habitats Source or ot her comment Name in current flora (Stace, 1997) Stace (1997) New Atlas (Preston et al., 2002) Chefi ngs (2004) Calculated from New Atlas data New Atias (Preston et al., 2002) Several sources, listed below Several sources, listed below Mainly Clapham,Tutin & Warburg (1962) Clapham et al. ( 1962), heavily revised Mainly Clapham et al. ( 1962) Sources are listed below; clone2 is mainly blank Part of biogeographic element accor ding to Preston & Hill ( 1997) Part of biogeographic element according to Preston & Hill ( 1997) Preston & Hill ( 1997) plus additions New Atlas (Preston et al., 2002) New Atlas (Preston et al., 2002) New Atlas (Preston et al., 2002) New Atlas (Preston et al., 2002) Calculated from New Atlas plus climat ic data Calculat ed from New Atlas plus climat ic data Calculat ed from New Atlas plus climat ic data Calculated from New Atlas plus Ellenberg salt value Preston et al. (2003), plus previously unreported data for aliens L, F, R, N, S Hill et aL ( 1999)
Page 1: t Cent re for Ecology & Hydrology N
Page 4 and 5: @ NERC Copyright 2004 Print ed in 2
Page 8 and 9: SPE CIES, FAMILIES, S TA TUS A ND C
Page 10 and 11: SIZE A ND LI FE HIS TOR Y A TTRIB U
Page 12 and 13: Table 4. Cat egor ies of clonality;
Page 14 and 15: GE OGRAPHI C A TTRIB UTES Euro ean
Page 16 and 17: Table 7. Counts of squares and clim
Page 18 and 19: Table 8. Coastal species and prefer
Page 20 and 21: M oisture values (F) Unlike the ot
Page 22 and 23: Salt tolerance (5) Values for salt
Page 24 and 25: Taxo n name Fa m NS CS RS C hg Hght
Page 26 and 27: S Taxon name Fam NS CS RS Chg Hght
Page 28 and 29: S Taxon name Fam NS CS RS Chg Hght
Page 30 and 31: Taxon name Fan/ NS CS RS Chg Hght L
Page 32 and 33: Taxon name Fam NS CS RS Chg Hght Le
Page 34 and 35: S , Taxon name Fam NS CS RS Chg Hgh
Page 36 and 37: N IR Origin LF2 1 P2 Chg RS n n n x
Page 38 and 39: F R N S 5 57 45 0 7 5 3 7 5 3 0 0 3
Page 40: S Taxon name Fan/ NS CS RS Chg li g
Page 43 and 44: Taxon name Fam NS CS RS Chg_ Hght L
Page 46 and 47: Taxon name Fam NS CS RS Chg Hght Le
Page 48 and 49: Taxon name Fam NS CS RS Chg. Hght L
Page 50 and 51: S P2 LF1 LF2 W Clonel Clone2 E1 E2
Page 52 and 53: CI Tja n 12 5.2 3 3.6 0 3.6 0 3.6 0
Page 54 and 55: , Taxon name Fam NS CS RS Chg Fight
Page 56 and 57:
S 1
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S Taxon name Fam NS CS RS Chg Hght
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Taxon name Fam NS CS RS Chg Hght Le
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W Clonel Clone2 El E2 C Origin GB I
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S Taxon name Fam NS CS RS Chg_ Hght
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A PPE NDIX Sources or Mot hei ht Pl
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hemicryptophytes is often hard to a
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Broad Habitats are intended to be c
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BH 9 Bracken This is small type, de
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The expected number of occurrences
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B IB LI OGRA PH Y Aeschimann, D. &
Page 78:
Raunkiaer, C. ( 1934) The life form
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