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Summary of Classification Results of Benthic Habitat Mapping off Palau

Summary of Classification Results of Benthic Habitat Mapping off Palau

Table 1: Summary results for Geomorphological Structure
Major Structure Detailed Structure Polygons Area (km2) Perimeter (km) % of Total Benthic Habitats
Coral Reef and Hardbottom Aggregate Reef 1398 106 4005 5.21%
Aggregated Patch Reef 254 299 2098 14.69%
Individual Patch Reef 2525 44 1289 2.18%
Pavement 2470 310 6880 15.20%
Pavement with Sand Channels 40 24 177 1.16%
Rock/Boulder 4 0 11 0.01%
Rubble 347 39 939 1.93%
Scattered Coral/Rock 287 47 803 2.29%
Spur and Groove 96 23 536 1.13%
           
Other Delineations Artificial 64 1 69 0.05%
Land 617 413 1022 n/a
           
Unconsolidated Sediment Mud 335 68 1034 3.34%
Sand 1474 517 4846 25.40%
           
Unknown Unknown 131 558 1658 27.40%
           
  Total (including land) 10042 2450 25367  



Table 2: Summary results for Biological Cover.
Major Cover Detailed Cover Polygons Area (km2) Perimeter (km) % of Total Benthic Habitats
Live Coral 10%-<50% 3423 386 6777 32.29%
50%-<90% 294 18 620 1.47%
90%-100% 11 1 28 0.11%
           
Coralline Algae 10%-<50% 65 18 442 1.49%
50%-<90% 207 45 1062 3.78%
90%-100% 4 0 14 0.03%
           
Emergent Vegetation 10%-<50% 12 0 19 0.04%
50%-<90% 10 1 22 0.10%
90%-100% 152 43 492 3.55%
           
Macroalgae 10%-<50% 745 119 2274 9.92%
50%-<90% 353 149 1447 12.46%
90%-100% 144 59 505 4.89%
           
Seagrass 10%-<50% 176 27 529 2.22%
50%-<90% 161 21 404 1.76%
90%-100% 104 32 411 2.71%
           
Turf 10%-<50% 1039 87 1612 7.24%
50%-<90% 886 98 1770 8.18%
90%-100% 179 11 314 0.95%
           
Uncolonized 10%-<50% 1 0 2 0.00%
50%-<90% 13 1 26 0.07%
90%-100% 1251 362 3849 30.21%
           
Uncolonized Unknown 1 0 2 0.00%
           
Unknown Unknown 130 558 1656 46.64%
           
Unclassified n/a 681 414 1091 n/a
           
  Total (including land) 10042 2450 25367  



Table 3: Summary results for Zone.
Zone Polygons Area (km2) Perimeter (km) % of Total Benthic Habitats
Backreef 1367 341 4683 16.77%
Bank/Shelf 390 98 1387 4.83%
Bank/Shelf Escarpment 33 12 427 0.61%
Channel 190 23 545 1.14%
Dredged 49 2 66 0.11%
Forereef 240 43 1218 2.10%
Lagoon 4616 1255 9880 61.62%
Land 666 414 1073 n/a
Reef Crest 351 23 1181 1.13%
Reef Flat 1317 155 3562 7.62%
Reef Hole 586 15 444 0.75%
Shoreline Intertidal 183 47 572 2.30%
Unclassified 2 0 4 0.00%
Unknown 40 19 167 0.92%
Vertical Wall 12 2 157 0.11%
         
Total (including land) 10042 2449.641 25364.567