sample_type  treatment     lat_coll   lon_coll    tank  
coral        Control       21.447472  -157.789136  1     
coral        Control       21.447472  -157.789136  8     
coral        Control       21.447472  -157.789136  9     
coral        Control       21.447472  -157.789136  13    
coral        Field_sample  21.447472  -157.789136  PC1   
coral        Field_sample  21.447472  -157.789136  PC2   
coral        Field_sample  21.447472  -157.789136  PC3   
coral        Treatment     21.447472  -157.789136  3     
coral        Treatment     21.447472  -157.789136  4     
coral        Treatment     21.447472  -157.789136  15    
coral        Treatment     21.447472  -157.789136  16    
seawater     Control       21.447472  -157.789136  1     
seawater     Control       21.447472  -157.789136  8     
seawater     Control       21.447472  -157.789136  9     
seawater     Control       21.447472  -157.789136  13    
seawater     Field_sample  21.447472  -157.789136  none  
seawater     Source        21.447472  -157.789136  none  
seawater     Treatment     21.447472  -157.789136  3     
seawater     Treatment     21.447472  -157.789136  4     
seawater     Treatment     21.447472  -157.789136  15    
seawater     Treatment     21.447472  -157.789136  16