234
Table 7.12 Total nitrogen content of 39 photoautotrophic organisms, measured by both CHN
elemental composition analysis and Hach method
Species
Total N by
CHN, %
Total N by
Hach, %
Microscopic algae
Chlorella minutissima Fott and Nováková 1969
4.53 ± 0.14
4.84 ± 0.46
Dunaliella tertiolecta Butcher 1959
4.19 ± 0.06
4.51 ± 0.24
Isochrysis galbana Parke 1949
3.16 ± 0.14
3.67 ± 0.40
Nannochloropsis oculata (Droop) Hibberd 1981
2.63 ± 0.18
2.85 ± 0.78
Prorocentrum minimum (Pavillard) J. Schiller 1933
4.44 ± 0.07
5.13 ± 0.49
Phaeodactylum tricornutum Bohlin 1897
2.80 ± 0.02
2.41 ± 0.25
Rhodomonas sp. Karsten 1898
5.09 ± 0.19
5.49 ± 0.19
Skeletonema costatum (Greville) Cleve 1878
3.11 ± 0.16
3.38 ± 0.36
Synechococcus subsalsus Skuja 1939
1.97 ± 0.07
2.37 ± 0.57
Tetraselmis gracilis (Kylin) Butcher 1959
2.81 ± 0.07
3.29 ± 0.22
Thalassiosira oceanica Hasle 1983
3.57 ± 0.14
3.45 ± 0.10
Seaweeds
Acanthophora spicifera (M. Vahl) Børgesen 1910
4.16 ± 0.11
4.17 ± 0.17
Aglaothamnion uruguayense (W.R. Taylor) Aponte,
D.L. Ballantine and J.N. Norris 1994
5.85 ± 0.05
5.84 ± 0.22
Caulerpa fastigiata Montagne 1837
4.32 ± 0.18
5.14 ± 0.25
Caulerpa racemosa (Forsskål) J. Agardh 1873
3.05 ± 0.68
3.02 ± 0.51
Chnoospora minima (K. Hering) Papenfuss 1956
1.74 ± 0.11
1.76 ± 0.12
Codium decorticatum (Woodward) M.A. Howe 1911
1.96 ± 0.07
1.99 ± 0.14
Codium spongiosum Harvey 1855
1.52 ± 0.32
1.53 ± 0.22
Codium taylorii P.C. Silva 1960
2.26 ± 0.09
2.66 ± 0.24
Cryptonemia seminervis (C. Agardh) J. Agardh 1846
5.09 ± 0.38
5.10 ± 0.30
Dictyota menstrualis (Hoyt) Schnetter, Hörning and
Weber-Peukert 1987
3.50 ± 0.13
3.49 ± 0.35
Gracilaria cervicornis (Turner) J. Agardh 1852
1.90 ± 0.19
2.19 ± 0.17
Gracilariopsis tenuifrons (C.J. Bird and E.C. Oliveira)
Fredericq and Hommersand 1989
2.77 ± 0.25
2.84 ± 0.26
Laurencia flagellifera J. Agardh 1852
2.47 ± 0.05
2.32 ± 0.14
Padina gymnospora (Kützing) Sonder 1871
2.41 ± 0.15
2.72 ± 0.09
Porphyra acanthophora var. acanthophora E.C. Oliveira
and J. Coll 1975
3.69 ± 0.02
3.78 ± 0.34
Plocamium brasiliense (Greville) M.A. Howe and
W.R. Taylor 1931
4.24 ± 0.14
4.50 ± 0.19
Pterocladiella capillacea (S.G. Gmelin) Santelices and
Hommersand 1997
3.05 ± 0.18
2.42 ± 0.25
Sargassum vulgare C. Agardh 1820
1.90 ± 0.19
1.73 ± 0.40
Ulva fasciata Delile 1813
2.58 ± 0.08
2.66 ± 0.23
Seagrasses
Halodule wrightii Ascherson 1868
2.44 ± 0.25
2.72 ± 0.09
Halophila decipiens Ostenfeld 1902
2.92 ± 0.58
3.13 ± 0.39
(continued)
7 Mangroves: Unique Sinks of Carbon and Nitrogen
Table 7.12 Total nitrogen content of 39 photoautotrophic organisms, measured by both CHN
elemental composition analysis and Hach method
Species
Total N by
CHN, %
Total N by
Hach, %
Microscopic algae
Chlorella minutissima Fott and Nováková 1969
4.53 ± 0.14
4.84 ± 0.46
Dunaliella tertiolecta Butcher 1959
4.19 ± 0.06
4.51 ± 0.24
Isochrysis galbana Parke 1949
3.16 ± 0.14
3.67 ± 0.40
Nannochloropsis oculata (Droop) Hibberd 1981
2.63 ± 0.18
2.85 ± 0.78
Prorocentrum minimum (Pavillard) J. Schiller 1933
4.44 ± 0.07
5.13 ± 0.49
Phaeodactylum tricornutum Bohlin 1897
2.80 ± 0.02
2.41 ± 0.25
Rhodomonas sp. Karsten 1898
5.09 ± 0.19
5.49 ± 0.19
Skeletonema costatum (Greville) Cleve 1878
3.11 ± 0.16
3.38 ± 0.36
Synechococcus subsalsus Skuja 1939
1.97 ± 0.07
2.37 ± 0.57
Tetraselmis gracilis (Kylin) Butcher 1959
2.81 ± 0.07
3.29 ± 0.22
Thalassiosira oceanica Hasle 1983
3.57 ± 0.14
3.45 ± 0.10
Seaweeds
Acanthophora spicifera (M. Vahl) Børgesen 1910
4.16 ± 0.11
4.17 ± 0.17
Aglaothamnion uruguayense (W.R. Taylor) Aponte,
D.L. Ballantine and J.N. Norris 1994
5.85 ± 0.05
5.84 ± 0.22
Caulerpa fastigiata Montagne 1837
4.32 ± 0.18
5.14 ± 0.25
Caulerpa racemosa (Forsskål) J. Agardh 1873
3.05 ± 0.68
3.02 ± 0.51
Chnoospora minima (K. Hering) Papenfuss 1956
1.74 ± 0.11
1.76 ± 0.12
Codium decorticatum (Woodward) M.A. Howe 1911
1.96 ± 0.07
1.99 ± 0.14
Codium spongiosum Harvey 1855
1.52 ± 0.32
1.53 ± 0.22
Codium taylorii P.C. Silva 1960
2.26 ± 0.09
2.66 ± 0.24
Cryptonemia seminervis (C. Agardh) J. Agardh 1846
5.09 ± 0.38
5.10 ± 0.30
Dictyota menstrualis (Hoyt) Schnetter, Hörning and
Weber-Peukert 1987
3.50 ± 0.13
3.49 ± 0.35
Gracilaria cervicornis (Turner) J. Agardh 1852
1.90 ± 0.19
2.19 ± 0.17
Gracilariopsis tenuifrons (C.J. Bird and E.C. Oliveira)
Fredericq and Hommersand 1989
2.77 ± 0.25
2.84 ± 0.26
Laurencia flagellifera J. Agardh 1852
2.47 ± 0.05
2.32 ± 0.14
Padina gymnospora (Kützing) Sonder 1871
2.41 ± 0.15
2.72 ± 0.09
Porphyra acanthophora var. acanthophora E.C. Oliveira
and J. Coll 1975
3.69 ± 0.02
3.78 ± 0.34
Plocamium brasiliense (Greville) M.A. Howe and
W.R. Taylor 1931
4.24 ± 0.14
4.50 ± 0.19
Pterocladiella capillacea (S.G. Gmelin) Santelices and
Hommersand 1997
3.05 ± 0.18
2.42 ± 0.25
Sargassum vulgare C. Agardh 1820
1.90 ± 0.19
1.73 ± 0.40
Ulva fasciata Delile 1813
2.58 ± 0.08
2.66 ± 0.23
Seagrasses
Halodule wrightii Ascherson 1868
2.44 ± 0.25
2.72 ± 0.09
Halophila decipiens Ostenfeld 1902
2.92 ± 0.58
3.13 ± 0.39
(continued)
7 Mangroves: Unique Sinks of Carbon and Nitrogen