227
Species
Stations
A GB (tonnes/ha)
AGC (tonnes/ha)
Nitrogen
sequestration =
ΔAGN/Δt
(tonnes/ha/yr)
1 Year 11 Year 1 Year
11 Year
Avicennia
alba
Muriganga
0.415
41.224
0.0085
(2.04%)
0.6184
(1.50%)
0.06099
Saptamukhi
0.270
43.081
0.0057
(2.11%)
0.6548
(1.52%)
0.06491
Jambu Island 0.442
47.112
0.0089
(2.02%)
0.7491
(1.59%)
0.07402
Lothian
Island
0.437
45.998
0.0086
(1.96%)
0.6716
(1.46%)
0.06630
Sagar Island 0.287
45.110
0.0058
(2.01%)
0.6721
(1.49%)
0.06664
Prentice
Island
0.288
47.117
0.0058
(2.02%)
0.6832
(1.45%)
0.06774
Thakuran
0.326
68.130
0.0069
(2.11%)
1.0424
(1.53%)
0.10355
Dhulibasani 0.483
70.223
0.0100
(2.07%)
1.1095
(1.58%)
0.10995
Chulkathi
0.652
68.441
0.0142
(2.18%)
1.0951
(1.60%)
0.10808
Goashaba
0.653
67.965
0.0138
(2.11%)
1.1146
(1.64%)
0.11008
Matla
0.665
70.416
0.0140
(2.11%)
1.1478
(1.63%)
0.11337
Pirkhali
0.493
73.103
0.0106
(2.14%)
1.2062
(1.65%)
0.11956
Arbesi
0.264
43.269
0.0053
(1.99%)
0.6577
(1.52%)
0.06524
Jhila
0.263
39.808
0.0052
(1.96%)
0.6608
(1.66%)
0.06557
Harinbhanga 0.134
38.615
0.0027
(2.00%)
0.5870
(1.52%)
0.05843
Khatuajhuri
0.397
40.109
0.0080
(2.02%)
0.6016
(1.50%)
0.05936
Chamta
0.136
41.967
0.0027
(1.99%)
0.6127
(1.46%)
0.06100
Chandkhali
0.277
41.326
0.0056
(2.01%)
0.7025
(1.70%)
0.06970
Table 7.9 Nitrogen sequestration by Avicennia alba inhabiting Indian Sundarbans
Phase 3: Species – Wise Carbon and Nitrogen Sequestration Potential of Mangroves…