Salix fragilis

Tracheophyta MagnoliopsidaSalicaceaeSalixSalix fragilis

Ecology

A broad-crowned, often pollarded, tree which grows in hedgerows, marshes, fens, wet woods and hollows, and by ponds, ditches, streams and rivers. It can tolerate a polluted atmosphere and salt-laden winds. 0?410 m (Allendale, S. Northumb.).

Status

Archaeophyte

World Distribution

As an archaeophyte S. fragilis has a Eurosiberian Temperate distribution; it is widely naturalised outside this range. Many of the variants regarded as S. fragilis in Britain and Ireland would be regarded as S. x rubens by bota

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 8

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 15

Annual Precipitation (mm): 955

Height (cm): 1500

Perennation - primary

Perennial

Life Form - primary

Mega-, meso- and microphanerophyte

Woodiness

Woody

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1980

Count of 10km squares in Ireland: 530

Count of 10km squares in the Channel Isles: 6

Atlas Change Index: 0.26

Weighted Changed Factor: 10

Weighted Change Factor Confidence (90%)

14

JNCC Designations

NBNSYS0000003861