Pulsatilla vulgaris (L.) Mill. - Plantlife
Pulsatilla vulgaris (L.) Mill. - Plantlife
Pulsatilla vulgaris (L.) Mill. - Plantlife
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13 Annex 2 – changes in population size, 1960-2006<br />
Changes in the numbers of <strong>Pulsatilla</strong> <strong>vulgaris</strong> on 33 sites included in Walker et al. (in press).<br />
Totals are the maximum number of crowns recorded in any one year for each decade and<br />
were derived from a variety of sources.<br />
Site-population<br />
(a) Increasing<br />
1960-69 1970-79 1980-89 1990-99 2000-06<br />
Barnack Hills and Holes 2000 1300 14200 15000 20000<br />
Barnsley Wold 50000 50000 50000 50000 75000<br />
Barton Hills 1100 685 4000 5000 5000<br />
Knocking Hoe 300 50 460 300 1000<br />
Therfield Heath 1000 2897 ? 60000 60000<br />
(b) Stable<br />
Ancaster Valley 1 6 5 16 11 6<br />
Beaumonts Hay