| *** Taxonomy Characterization Data *** |
| Pedon ID: 91VI020011 | ( St. John, Virgin Islands ) | Print Date: Apr 29 2025 7:51AM |
| Sampled as on Sep 1, 1991: | Maho Bay ; Loamy, mixed, isohyperthermic, shallow Typic Haplustoll |
| Revised to correlated: | Maho Bay ; Loamy, mixed, superactive, isohyperthermic, shallow Typic Haplustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91VI270 ST JOHN, VIRGIN ISLANDS-REFERENCE | Natural Resources Conservation Service |
| - | Site ID | S1991VI020011 Lat: 18° 21' 0.00" north Long: 64° 44' 43.99" west MLRA: 271 | National Soil Survey Center | |
| - | Pedon No. | 91P1199 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 8D1 | 7B1a2 | |||||||||||
| 91P07980 | 0-18 | A | S | 26.1 | 0.58 | 39 | 22 | ||||||
| 91P07981 | 18-29 | Bw | S | 20.4 | 0.42 | 78 | 62 | 1 | |||||
| 91P07982 | 29-40 | Cr | S | 19.8 | 0.36 | 83 | 81 | ||||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 91P07980 | 0-18 | A | S | 6.2 | 5.68 | 98 | 80 | 1.11 | 2 | ||||||||||
| 91P07981 | 18-29 | Bw | S | 5.0 | 2.32 | 60 | 46 | 0.78 | 4 | ||||||||||
| 91P07982 | 29-40 | Cr | S | 4.9 | 0.83 | 50 | 39 | 0.56 | 5 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.99 | (NA) | |
| Clay, carbonate free, Weighted Average | 24 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 54 | % wt | |
| Volume, >2mm, Weighted Average | 38 | % vol | |
| Clay, total, Weighted Average | 24 | % wt | |
| Weighted averages based on control section: 0-29 cm | |||