Middle Waterway (Simpson/Trustees) Year 5 Marsh Development

Year 5 (2006) Marsh Development at Middle Waterway (Simpson/Trustees), Transect 1-1 – Cover
Common Name Scientific Name Exact Method - Continuous Unbiased Average Quadrat Canopy Cover (%) 90% Confidence Interval
Actual Total Canopy (%) Average Quadrat Canopy Cover (%) Frequency (%) Species Composition (%) Lower Bound Upper Bound
Native              
orache, fat-hen saltbush Atriplex patula 5.0 0.2 3.8 0.01 n/a n/a n/a
seashore saltgrass Distichlis spicata 515.0 19.8 30.8 1.35 20.1 9.2 30.9
seaside plantain Plantago maritima 15.0 0.6 3.8 0.04 n/a n/a n/a
pickleweed Salicornia virginica 870.0 33.5 80.8 2.28 35.0 21.7 48.4
American bulrush Scirpus americanus 2.0 0.1 3.8 0.01 n/a n/a n/a
Canadian sandspurry Spergularia canadensis 60.0 2.3 11.5 0.16 2.9 0.0 7.2
Canopy Cover, Native   1467.0 56.4   3.85 59.3 41.5 77.2
Non-Native or Invasive1              
(None)           n/a n/a n/a
Canopy Cover, NNI   0.0 0.0   0.00      
TOTAL   1467 56.4   3.85 59.3 41.5 77.2
  Proportion of non-native or invasive plants (%):   0.0%     0.0%    
   
Actual Total Canopy: Obtained by summing the percent cover of all quadrats on the transect.
Average Quadrat Canopy Cover: Obtained by dividing the total canopy by the total number of quadrats sampled on the transect.
Frequency: Obtained by dividing the number of occurrences of a plant species (the number of quadrats in which a plant species was observed) by the total number of quadrats sampled along the transect.
Species composition: Obtained by dividing the percent canopy cover of each plant species by the total canopy cover of all plant species.
   
Year 5 (2006) Marsh Development at Middle Waterway (Simpson/Trustees), Transect 1-2 – Cover
Common Name Scientific Name Exact Method - Continuous Unbiased Average Quadrat Canopy Cover (%) 90% Confidence Interval
Actual Total Canopy (%) Average Quadrat Canopy Cover (%) Frequency (%) Species Composition (%) Lower Bound Upper Bound
Native              
orache, fat-hen saltbush Atriplex patula 3.0 0.4 14.3 0.20 n/a n/a n/a
tufted hairgrass Deschampsia cespitosa 25.0 3.6 14.3 1.66 n/a n/a n/a
pickleweed Salicornia virginica 72.0 10.3 57.1 4.78 14.6 0.0 41.1
Canadian sandspurry Spergularia canadensis 115.0 16.4 42.9 7.64 27.2 0.0 91.2
Subtotal   215 30.7   14.29 45.9 0.0 141.7
Non-Native or Invasive1              
(None)           n/a n/a n/a
Subtotal   0 0.0   0.00      
TOTAL   215 30.7   14.29 45.9 0.0 141.7
  Proportion of non-native or invasive plants (%):   0.0%     0.0%    
 
Actual Total Canopy: Obtained by summing the percent cover of all quadrats on the transect.
Average Quadrat Canopy Cover: Obtained by dividing the total canopy by the total number of quadrats sampled on the transect.
Frequency: Obtained by dividing the number of occurrences of a plant species (the number of quadrats in which a plant species was observed) by the total number of quadrats sampled along the transect.
Species composition: Obtained by dividing the percent canopy cover of each plant species by the total canopy cover of all plant species.