Table 1 Mean (± SD) dry bulk density (g cm−3), organic carbon content (Corg, %), organic matter content (OM, %), δ13C (‰), sediment grain-size < 0.016 mm, > 0.0.016 < 0.125 mm and > 0.5 mm (%) and soil organic carbon stocks (in 1 m-thick, kg Corg m−2) in seagrass soils from all cores studied in the different locations and regions in the Colombian Caribbean.
From: Seagrass blue carbon stocks and sequestration rates in the Colombian Caribbean
Region | Location | Core ID | DBD (g cm−3) | Corg (%) | OM (%) | δ13C (‰) | < 0.016 mm (%) | > 0.016 < 0.125 mm (%) | > 0.5 mm | Soil Corg stock in 1 m-thick | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | (Mg Corg ha−1) | |||
Alta Guajira | Cabo de la Vela | AGCV1 | 1.0 | 0.2 | 5.0 | 0.8 | 224 | ||||||||||
AGCV2 | 1.0 | 0.0 | 4.9 | 0.7 | 246 | ||||||||||||
AGCV3 | 0.9 | 0.0 | 4.2 | 0.6 | 203 | ||||||||||||
AGCV4 | 1.1 | 0.1 | 4.5 | 1.8 | 279 | ||||||||||||
AGCV5 | 0.9 | 0.0 | 6.2 | 0.9 | 329 | ||||||||||||
Portete Bay | AGBP1 | 0.6 | 0.2 | 16.8 | 5.2 | 673 | |||||||||||
AGBP2 | 0.4 | 0.2 | 14.8 | 4.7 | 344 | ||||||||||||
AGBP3 | 0.7 | 0.1 | 10.7 | 5.0 | 470 | ||||||||||||
AGBP4 | 0.6 | 0.1 | 10.3 | 2.8 | 369 | ||||||||||||
AGBP5 | 0.7 | 0.1 | 5.7 | 0.1 | 235 | ||||||||||||
Hondita Bay | AGBH1 | 0.8 | 0.0 | 10.3 | 3.6 | 415 | |||||||||||
AGBH2 | 0.8 | 0.1 | 8.4 | 3.0 | 370 | ||||||||||||
AGBH3 | 0.8 | 0.3 | 1.3 | 1.1 | 8.9 | 3.2 | − 21.4 | 1.3 | 16.7 | 5.7 | 41.5 | 12.5 | 11.8 | 14.9 | 266 | ||
AGBH4 | 0.9 | 0.2 | 10.8 | 4.1 | 479 | ||||||||||||
AGBH5 | 0.8 | 0.2 | 8.2 | 1.7 | 381 | ||||||||||||
AGBH6 | 0.5 | 0.1 | 1.8 | 0.9 | 11.6 | 3.4 | − 20.3 | 2.0 | 45.6 | 2.0 | 52.0 | 1.9 | 0.0 | 0.0 | 206 | ||
AGBH7 | 0.5 | 0.0 | 12.1 | 2.6 | 350 | ||||||||||||
AGBH8 | 0.6 | 0.1 | 15.9 | 3.5 | 522 | ||||||||||||
Media Guajira | Carrizal | MGCZ1 | 1.2 | 0.1 | 3.3 | 2.0 | 151 | ||||||||||
MGCZ2 | 1.1 | 0.1 | 6.5 | 1.8 | 357 | ||||||||||||
MGCZ3 | 1.1 | 0.3 | 5.2 | 1.2 | 258 | ||||||||||||
MGCZ4 | 1.1 | 0.2 | 0.5 | 0.1 | 2.4 | 0.7 | − 21.5 | 0.6 | 4.8 | 0.1 | 64.9 | 1.9 | 1.2 | 2.3 | 108 | ||
MGCZ5 | 1.1 | 0.1 | 2.9 | 0.6 | 153 | ||||||||||||
MGCZ6 | 1.0 | 0.1 | 3.5 | 1.2 | 159 | ||||||||||||
MGCZ7 | 0.9 | 0.2 | 3.6 | 4.1 | 130 | ||||||||||||
MGCZ8 | 1.0 | 0.2 | 5.7 | 3.9 | 203 | ||||||||||||
MGCZ9 | 1.1 | 0.1 | 5.3 | 0.9 | 252 | ||||||||||||
MGCZ10 | 1.0 | 0.3 | 0.5 | 0.2 | 3.6 | 0.6 | − 20.0 | 0.9 | 3.4 | 1.7 | 71.0 | 18.3 | 2.3 | 6.4 | 145 | ||
MGCZ11 | 1.0 | 0.0 | 5.6 | 2.5 | 309 | ||||||||||||
MGCZ12 | 1.1 | 0.1 | 4.7 | 3.6 | 267 | ||||||||||||
Musichi | MGMC1 | 1.2 | 0.3 | 0.6 | 0.1 | 3.2 | 1.9 | − 22.8 | 1.0 | 3.5 | 0.8 | 64.4 | 21.1 | 6.8 | 10.0 | 139 | |
MGMC2 | 1.3 | 0.1 | 2.9 | 0.9 | 176 | ||||||||||||
MGMC3 | 1.1 | 0.3 | 5.2 | 2.6 | 338 | ||||||||||||
San Andrés | Mar Azul | SAMA1 | 0.6 | 0.1 | 1.5 | 0.5 | 7.6 | 2.8 | − 16.5 | 1.0 | 23.5 | 3.0 | 35.9 | 4.1 | 0.0 | 0.0 | 193 |
SAMA2 | 0.7 | 0.1 | 7.5 | 0.9 | 251 | ||||||||||||
SAMA3 | 0.7 | 0.1 | 5.9 | 0.8 | 209 | ||||||||||||
Hooker Bay | SABH1 | 0.6 | 0.2 | 1.7 | 0.9 | 8.2 | 1.7 | − 15.3 | 1.4 | 10.8 | 3.6 | 33.4 | 6.7 | 17.6 | 11.3 | 206 | |
SABH2 | 0.8 | 0.2 | 7.4 | 3.2 | 258 | ||||||||||||
SABH3 | 0.8 | 0.2 | 5.6 | 4.0 | 179 | ||||||||||||
Cotton Cay | SACC1 | 0.9 | 0.2 | 1.1 | 0.8 | 4.9 | 1.6 | − 17.2 | 1.1 | 5.7 | 5.9 | 15.6 | 11.9 | 41.9 | 19.4 | 197 | |
SACC2 | 1.0 | 0.1 | 6.5 | 1.2 | 331 | ||||||||||||
SACC3 | 1.1 | 0.1 | 5.9 | 1.1 | 343 | ||||||||||||
Tayrona | Chengue Bay | SMCH1 | 0.7 | 0.1 | 6.4 | 3.1 | 217 | ||||||||||
SMCH2 | 1.0 | 0.1 | 5.0 | 1.4 | 229 | ||||||||||||
SMCH3 | 1.2 | 0.1 | 5.2 | 1.5 | 240 | ||||||||||||
SMCH4 | 1.2 | 0.1 | 5.0 | 0.9 | 238 | ||||||||||||
Cartagena | La Virgen | CLV1 | 0.8 | 0.0 | 5.2 | 0.0 | 2.4 | 0.9 | 11.5 | 1.1 | 44.4 | 8.4 | 148 | ||||
CLV2 | 0.8 | 0.1 | 7.1 | 3.2 | 3.1 | 1.1 | 12.1 | 1.1 | 38.1 | 10.6 | 219 | ||||||
CLV3 | 0.7 | 0.0 | 5.2 | 0.3 | 1.6 | 1.0 | 10.0 | 2.1 | 43.6 | 10.0 | 138 | ||||||
Tierra Bomba | CTTB1 | 0.9 | 0.1 | 5.3 | 0.9 | 8.5 | 5.0 | 28.4 | 14.8 | 25.6 | 12.9 | 168 | |||||
CTTB2 | 0.9 | 0.0 | 5.8 | 0.8 | 9.5 | 4.8 | 25.8 | 13.3 | 29.8 | 10.7 | 184 | ||||||
CTTB3 | 1.0 | 0.0 | 4.8 | 1.2 | 6.6 | 5.2 | 21.1 | 16.6 | 28.6 | 16.7 | 162 | ||||||
Punta Arena | CTPA1 | 0.8 | 0.0 | 4.1 | 0.3 | 0.2 | 0.5 | 6.8 | 3.8 | 47.6 | 7.7 | 119 | |||||
CTPA2 | 1.1 | 0.0 | 4.4 | 0.3 | 0.9 | 1.2 | 8.6 | 4.4 | 42.8 | 8.4 | 159 | ||||||
CTPA3 | 0.9 | 0.0 | 4.2 | 0.3 | 0.9 | 1.2 | 8.2 | 3.4 | 44.8 | 2.8 | 142 | ||||||
Cocon Bay | CTBC1 | 0.9 | 0.1 | 4.5 | 0.8 | 0.0 | 0.0 | 2.7 | 3.2 | 62.9 | 6.7 | 141 | |||||
CTBC2 | 1.2 | 0.1 | 4.6 | 0.2 | 0.4 | 0.6 | 6.7 | 1.9 | 45.3 | 14.5 | 200 | ||||||
CTBC3 | 1.4 | 0.0 | 4.4 | 0.8 | 0.5 | 0.5 | 8.2 | 4.2 | 59.0 | 12.5 | 226 | ||||||
Bocagrande | CTBG1 | 1.3 | 0.0 | 1.4 | 0.2 | 0.0 | 0.0 | 6.4 | 1.4 | 33.0 | 8.3 | 39 | |||||
CTBG2 | 1.3 | 0.1 | 1.3 | 0.1 | 0.0 | 0.0 | 8.1 | 2.3 | 23.3 | 10.8 | 40 | ||||||
CTBG3 | 1.9 | 0.5 | 1.0 | 0.2 | 0.0 | 0.0 | 5.1 | 2.9 | 31.0 | 6.5 | 40 | ||||||
OVERALL | 0.9 | 0.3 | 1.2 | 0.9 | 6.6 | 4.0 | − 19.4 | 2.8 | 11.1 | 13.7 | 33.5 | 23.9 | 21.2 | 21.5 | 241 ± 117 | ||
