island      site_name          latitude      longitude      depth_feet    habitat_type             date  replicate    Clathromorphum_cover    grazed_score    quality_rank    grazed_cover_median    max_depth_grazed_mm    pit_volume_cm3    
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  1            100                     4               2               63                     0.599                  211.95            
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  2            100                     5               1               85.5                   1.199                  18.84             
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  3            90                      5               1               85.5                   10                     21.195            
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  4            80                      4               2               63                     0.399                  28.26             
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  5            80                      5               1               85.5                   3.929                  276.32            
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  6            95                      5               1               85.5                   1.299                  0.98125           
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  7            95                      5               2               85.5                   0.932                  1017.36           
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  8            75                      6               1               98                     2.398                  1306.24           
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  9            95                      5               1               85.5                   0.533                  84.78             
Nizki       Puffin Point       52.74454      174.00244      37            Barren + kelp subsidy    2014-07-15  10           98                      5               2               85.5                   1.099                  1526.04