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Table 2 Total vegetative cover (VC), % cover by vegetation groups and site characteristics, 2007 compared to 2014 (with standard error for major groups). See text for explanation of the estimated site age

From: Successional trends and processes on a glacial foreland in Southern Iceland studied by repeated species counts

Class Sample year Site A (2002) Site B (1982) Site C (1954) Site D (1945) Site E (1938) Site F (1960) Site G (1890–1904) Site H (pre-1890) Site I (pre-1890)
VC 2007 16.0 ± 4.9 49.1 ± 5.9 47.4 ± 8.4 79.1 ± 8.1 63.8 ± 4.5 67.9 ± 8.5 66.2 ± 11.2 75.2 ± 12.1 86.1 ± 9.6
  2014 13.6 ± 2.9 31.2 ± 3.7 45.2 ± 15.7 100 ± 5.6 57.7 ± 11.7 100 ± 8.2 93.8 ± 2.9 92.5 ± 6.9 92.7 ± 11.5
Moss 2007 10.5 ± 5.2 32.7 ± 5.2 35.1 ± 8.5 36.9 ± 3.0 35.4 ± 8.1 48.8 ± 7.4 49.9 ± 13.6 54.7 ± 12.5 76.0 ± 8.8
  2014 7.6 ± 3.4 15.2 ± 3.6 20.4 ± 8.5 69.0 ± 8.2 37.2 ± 13.4 60.4 ± 8.8 77.6 ± 6.3 62.8 ± 16.7 79.4 ± 9.2
Low shrubs 2007 0.6 ± 0.4 1.6 ± 0.9 4.9 ± 1.8 24.8 ± 4.6 6.9 ± 1.4 13.1 ± 5.2 9.0 ± 5.2 9.1 ± 4.4 5.6 ± 2.9
  2014 1.4 ± 0.4 4.1 ± 0.8 13.8 ± 5.1 27.3 ± 7.1 8.2 ± 2.2 29.0 ± 6.1 14.6 ± 5.3 25.1 ± 10.3 11.7 ± 6.7
Graminoids 2007 3.9 2.1 2.6 2.2 2.6 1.4 3.2 1.7 0.4
  2014 3.8 3.1 1.7 4.3 1.5 1.2 0.8 0.8 1.0
Forbs 2007 1.0 10.0 4.1 5.7 12.0 1.1 2.8 2.1 0.6
  2014 0.8 5.2 4.6 4.5 10.8 3.7 0.4 2.0 0.4
Willow 2007 0 2.4 0.8 9.5 3.4 2.5 0.6 0.5 1.7
  2014 0 4.6 1.7 9.7 0.3 7.4 0.4 1.1 0
Birch 2007 0 0.2 0 0 3.8 0 0.8 7.1 1.6
  2014 0 0 4.4 0 0 5.6 0.2 1.4 0.3
Soil N (%) 2007 0.03 0.03 0.16 0.17 0.09 0.18 0.17 0.12 0.14
Surface type   Moraine Moraine Moraine Moraine Moraine Channel swale Moraine margin Outwash plain Outwash plain