A low-growing evergreen shrub of well-drained acidic soils. It is found on moorlands and mountains, and on blanket mire where it can increase greatly after burning or where dry surfaces have been bared by erosion (Rodwell, 1991b). 0-1270 m (Cairngorms, S. Aberdeen).
The distribution of E. nigrum is similar to that shown in the 1962 Atlas, where subsp. hermaphroditum and subsp. nigrum were mapped separately as species. Subsp. nigrum occurs throughout the range of the species, subsp. hermaphroditum is mapped separately.
Circumpolar Boreo-arctic Montane element.
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Light (Ellenberg): 7
Moisture (Ellenberg): 6
Reaction (Ellenberg): 2
Nitrogen (Ellenberg): 1
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 2.7
July Mean Temperature (Celsius): 13.2
Annual Precipitation (mm): 1381
Height (cm): 30
Perennation - primary
Life Form - primary
Comment on Life Form
Clonality - primary
Count of 10km squares in Great Britain: 1359
Count of 10km squares in Ireland: 236
Count of 10km squares in the Channel Isles: 0
Atlas Change Index: -0.29
Weighted Changed Factor: -5
Weighted Change Factor Confidence (90%)
Atlas text references
1973. Biological Flora of the British Isles. No. 130. Empetrum nigrum L. Journal of Ecology. 61:289-305.
1988. Comparative Plant Ecology.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
1978. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.