[ABSTRAK
Telah dilakukan penelitian mengenai tingkat serapan karbon dankandungan klorofil serta analisis sampah, sedimen, dan volume di lima situKampus UI Depok. Penelitian bertujuan untuk menganalisis tingkat serapankarbon dan kandungan klorofil, serta materi organik dalam sampah, sedimen danvolume di lima situ Kampus UI Depok. Penelitian dilakukan di lima situ KampusUI Depok, yaitu Situ Agathis, Situ Mahoni, Situ Puspa, Situ Ulin, dan Situ Salam.Pengambilan sampel dilakukan pada bulan Maret--April 2014. Pengukuranproduktivitas primer perairan menggunakan metode botol gelap-terang. Botolgelap dan botol terang diletakkan pada kedalaman 0 cm, 10 cm, 30 cm, 50 cm, 70cm, dan 80 cm. Pengambilan sampel fitoplankton dilakukan menggunakanplankton net. Pengukuran kandungan klorofil-a dan klorofil-b menggunakanspektrofotometer dengan panjang gelombang 750, 664, 647 dan 630 nm.Perangkap sampah organik berupa kain nylon dengan ukuran pori 1 mm2diletakkan pada inlet dan outlet secara bersamaan di lima situ Kampus UI Depok.Pengambilan sampel sedimen dilakukan menggunakan Peterson Grab. Sampelsedimen dianalisis kadar karbon organik dengan metode Walkley-Black. Metode3D Analyst ArcView 10.1 digunakan untuk menghitung volume situ. Tingkatserapan karbon di lima situ Kampus UI Depok memiliki potensi menyerap karbonrata-rata sebesar 48,61 mgC/m3/jam. Kandungan klorofil-a dan klorofil-b di limasitu Kampus UI Depok rata-rata sebesar 2,59 mg/l dan 0,35 mg/l. Hasilidentifikasi sampel fitoplankton diperoleh empat kelas, yaitu Chlorophyceae,Cyanophyceae, Euglenophyceae, dan Bacillariophyceae. Kepadatan tertinggi dannilai dominansi tertinggi pada sampel fitoplankton di lima situ Kampus UI Depokterdapat pada kelas Chlorophyceae. Terjadi penumpukan sampah organik sebesar0,55 gr/m3/jam. Tipe sedimen pasir mendominasi di perairan lima situ Kampus UIDepok. Kandungn karbon pada sampel sedimen kerikil sebesar 19,75--26,58 ppm,pasir sebesar 28,47--38,55 ppm, dan lumpur sebesar 36,79--42,05 ppm. Perairanlima situ di Kampus UI Depok memiliki potensi dalam menampung volume airsebesar 654.830 m3.
ABSTRACT
Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.;Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.;Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.;Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.;Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.;Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3., Research has conducted about the level of carbon uptake and chlorophyllcontent as well as the analysis of trash, sediment, and volume in five lakes atCampus UI Depok. The study aimed to analyze the level of carbon uptake andchlorophyll content, and organic matter in the litter, sediment and volume in fivelakes at Campus UI Depok. The study was conducted in five lakes at Campus UIDepok, namely Agathis, Mahoni, Puspa, Ulin, and Salam. Sampling wasconducted in March-April 2014. Measurements of primary productivity in thewater using light-dark bottle method. Dark bottle and light bottle placed at a depthof 0 cm, 10 cm, 30 cm, 50 cm, 70 cm, and 80 cm. Sampling of phytoplankton wasconducted using a plankton net. Measurement of chlorophyll-a and chlorophyll-busing a spectrophotometer with a wavelength of 750, 664, 647 and 630 nm.Pitfalls of organic waste in the form of nylon fabric with a pore size of 1 mm2placed at the inlet and outlet simultaneously in five lakes at Campus UI Depok.Sampling of sediment was conducted using a Peterson Grab. Sediment sampleswere analyzed with the organic carbon content of the Walkley-Black method. 3DAnalyst ArcView 10.1 method used to calculate the volume of the lakes. The rateof carbon uptake in five UI Depok it has the potential to absorb carbon by anaverage of 48.61 mgC/m3/hour. The content of chlorophyll-a and chlorophyll-b infive lakes at Campus UI Depok was average of 2.59 mg/l and 0.35 mg/l. Theresults of the identification of phytoplankton samples obtained four classes,namely Chlorophyceae, Cyanophyceae, Euglenophyceae, and Bacillariophyceae.The highest density and highest dominance values in samples of phytoplankton infive lakes at Campus UI Depok contained in the class Chlorophyceae. Build up oforganic waste by 0.55 gr/m3/hour. Sand sediment types dominate in five lakes atCampus UI Depok. Carbon content in sediment samples gravel at 19.75 to 26.58ppm, the sand at 28.47 to 38.55 ppm, and the mud of 36.79 to 42.05 ppm. The fivelakes at Campus UI Depok has the potential to accommodate the volume ofwaters at 654.830 m3.] |
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