Year 3 (2004) Riparian Development at Mowitch, Transect 2 - Cover
Common Name Scientific Name Average Quadrat Canopy Cover (%) Frequency Average Where Found (%) Unbiased Average Quadrat Canopy Cover (%) 90% Confidence Interval
(%) Quadrats Containing Species Lower Bound Upper Bound
Native                
Emergents                
bulrush Scirpus sp. 0.04 4.3% 1/23 1.0 n/a n/a n/a
Herbs and Forbes                
aster Aster sp. 0.3 8.7% 2/23 4.0 n/a n/a n/a
Douglas aster Aster subspicatus 1.4 13.0% 3/23 10.7 2.0 0.0 5.3
sicklekeel lupine Lupinus albicaulis 4.6 52.2% 12/23 8.9 5.6 1.3 9.9
western pearly everlasting Anaphalis margaritacea 0.0 4.3% 1/23 1.0 n/a n/a n/a
yarrow Achillea millefolium 28.3 73.9% 17/23 38.3 36.1 15.4 56.8
Shrubs                
beaked hazelnut Corylus cornuta 1.3 8.7% 2/23 15.0 n/a n/a n/a
cluster rose Rosa pisocarpa 6.3 26.1% 6/23 24.2 7.0 0.7 13.4
common snowberry Symphoricarpos albus 0.2 13.0% 3/23 1.7 0.2 0.0 0.5
currant Ribes sp. 1.3 8.7% 2/23 15.0 n/a n/a n/a
nootka rose Rosa nutkana 0.9 8.7% 2/23 10.0 n/a n/a n/a
red-osier dogwood Cornus stolonifera 2.8 8.7% 2/23 32.5 n/a n/a n/a
rose Rosa sp. 1.7 17.4% 4/23 9.5 1.8 0.0 3.8
twinberry honeysuckle Lonicera involucrata 0.0 4.3% 1/23 1.0 n/a n/a n/a
vine maple Acer circinatum 0.1 4.3% 1/23 2.0 n/a n/a n/a
Trees                
black cottonwood Populus balsamifera 0.4 4.3% 1/23 10.0 n/a n/a n/a
Douglas fir Pseudotsuga menziesii 0.8 13.0% 3/23 6.0 0.8 0.0 1.7
Oregon ash Fraxinus latifolia 1.3 21.7% 5/23 5.8 1.5 0.0 3.0
red alder Alnus rubra 10.8 47.8% 11/23 22.5 11.8 4.7 18.8
Sitka spruce Picea sitchensis 0.1 4.3% 1/23 3.0 n/a n/a n/a
western red cedar Thuja plicata 3.0 8.7% 2/23 35.0 n/a n/a n/a
willow Salix sp. 6.4 39.1% 9/23 16.4 9.1 0.0 20.8
Non-Native or Invasive                
Herbs and Forbes                
white sweet-clover Melilotus alba 20.0 69.6% 16/23 28.7 26.3 8.1 44.5
unknown unknown 64.8 100.0% 23/23 64.8 65.6 55.8 75.5
Shrubs                
Himalayan blackberry Rubus discolor 4.0 56.5% 13/23 7.0 4.0 2.1 5.8
  Total Herbs         120.4 104.5 136.3
  Total Shrubs         20.5 10.7 30.3
  Total Trees         26.1 11.7 40.5
  Total NNI         89.4 79.8 99.0
  Total Native         76.5 55.6 97.4