"[Penelitian mengenai potensi makroalga alami Sargassum polycystum
dan makroalga budidaya Eucheuma cottonii dalam menyerap dan menyimpan
karbon serta nutrien di Pulau Panjang, Teluk Banten telah dilakukan pada bulan
Oktober hingga November 2014. Penelitian bertujuan untuk mengetahui laju
penyerapan karbon, kandungan nutrien dan produktivitas primer dari makroalga S.
polycystum dan E. cottonii. Lokasi penelitian terletak di bagian hamparan gosong
karang dan berlumpur dengan kedalaman 0,5-5 m. Pengamatan pertumbuhan dan
laju penyerapan karbon menggunakan metode penandaan thallus pada 30 sampel
makroalga setiap hari selama 7 hari. Sampel makroalga selanjutnya dianalisis
kandungan nutriennya. Hasil penelitian didapatkan estimasi laju penyerapan
karbon S. polycystum dan E. cottonii adalah 0,0081 gC/hari dan 0,0083 gC/hari.
Kandungan karbon, nitrogen dan fosfat di S. polycystum adalah sebanyak 6,84%,
1,72% dan 0,009% sedangkan kandungan karbon, nitrogen dan fosfat di E.
cottonii adalah 5,99%, 0,67% dan 0,006%. Berdasarkan analisis statistik dengan
uji t, terdapat perbedaan yang signifikan pada laju pertumbuhan, kandungan
nitrogen dan fosfat S. polycystum dengan E. cottonii. Sedangkan untuk kandungan
karbon tidak terdapat perbedaan yang signifikan antara S. polycystum dengan E.
cottonii. Selanjutnya, uji korelasi didapatkan bahwa adanya korelasi antara laju
pertumbuhan S. polycystum dan E. cottonii dengan kandungan nitrogen masingmasing
sedangkan antara laju pertumbuhan dengan kandungan karbon dan fosfat
tidak terdapat korelasi. Produktivitas primer diukur dengan metode botol terang
dan botol gelap yang dimodifikasi. Pengukuran produktivitas primer dilakukan
pada kedalaman 0,5 m untuk S. polycystum dan 0,1 m untuk E. cottonii.
Kandungan oksigen terlarut diukur dengan DO meter. Hasil penelitian didapatkan
rata-rata produktivitas primer S. polycystum sebesar 10,259 ± 3,385 mgC/g/hari
dan E. cottonii sebesar 7,757 ± 4,398 mgC/g/hari.;The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day;The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day;The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day;The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day;The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day, The research about the potency of wild macroalgae Sargassum polycystum
and cultivation macroalgae Eucheuma cottonii to absorb and store carbon also
nutrient in Panjang Island, Banten Bay was held on October until November 2014.
The research was aimed to estimate carbon sequestration, nutrient content and
primary productivity from macroalgae S. polycystum and E. cottonii. Location of
the research in the stretch of reef and muddy with a depth of 0,5-5 m. The
observation of growth rate and carbon sequestration used thallus marking method
in 30 macroalgae shoots everyday for 7 days. Macroalgae was analyzed its
nutrient content. The results showed that estimation carbon sequestration by S.
polycystum and E. cottonii were 0,0081 gC/day and 0,0083 gC/day. The content
of carbon, nitrogent and phosphor for Macroalgae S. polycystum were 6,84%,
1,72% and 0,009% respectively while the content of carbon, nitrogent and
phosphor for Macroalgae E. cottonii were 5,99%, 0,67% and 0,006% respectively.
Based on statistical analysis by t test, there was found significant difference on the
growth rate, nitrogent and phosphor content of S. polycystum with E. cottonii.
While for the carbon content, there was no significant difference between S.
polycystum with E. cottonii. Furthermore, correlation test showed that there was a
correlation between the growth rate of S. polycystum and E. cottonii with
nitrogent content respectively while between the growth rate with carbon and
phosphor content, there was no correlation. Primary productivity were measured
by the light and dark bottle method with modification. Measurement of primary
productivity was held at a depth of 0,5 m from the surface for S. polycystum and
0,1 m from the surface for E. cottonii. Dissolved oxygen was measured by DO
meter. The result showed that mean of primary productivity for S. polycystum was
10,259 ± 3,385 mgC/g/day and E. cottonii was 7,757 ± 4,398 mgC/g/day]"
