Program Studi Manajemen Sumberdaya Perairan, Jurusan Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ6657, author = {Aurora Minerva and Frida Purwanti and Agung Suryanto}, title = {ANALISIS HUBUNGAN KEBERADAAN DAN KELIMPAHAN LAMUN DENGAN KUALITAS AIR DI PULAU KARIMUNJAWA, JEPARA}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {3}, number = {3}, year = {2014}, keywords = {Lamun; Keberadaan; Kelimpahan; Kualitas Air; Pulau Karimunjawa}, abstract = { Ekosistem lamun merupakan salah satu ekosistem penting di wilayah pesisir sebagai pendukung kehidupan biota di laut. Kerapatan jenis lamun dipengaruhi oleh faktor tempat tumbuh dari lamun tersebut. Penelitian dilakukan pada bulan Maret 2014 di Perairan Pulau Karimunjawa dengan tujuan untuk mengetahui jenis dan keberadaan lamun, persentase tutupan lamun, dan hubungan keberadaan dan kerapatan lamun dengan kualitas air di Pulau Karimunjawa. Metode penelitian adalah deskriptif dengan studi kasus untuk menggambarkan keadaan atau status fenomena suatu objek penelitian secara detail. Pengumpulan data dilakukan dengan sampling menggunakan kuadran transek. Materi yang digunakan adalah lamun yang ditemukan di lokasi penelitian, data yang diukur meliputi parameter fisika dan kimia seperti suhu, kecepatan arus, kedalaman, substrat, salinitas, DO, pH, nitrat, fosfat, dan amoniak. Hasil penelitian didapatkan 8 jenis lamun yaitu Cymodocea rotundata, Cymodocea serrulata, Enhalus acroides, Halodule pinifolia, Halodule uninervis, Halophilla minor, Halophila ovalis, dan Thalassia hemperichii. Persentase penutupan lamun di Pancoran Belakang yaitu 63,73 %, Legon Lele 31,65 %, dan Alang-alang 24,33%. Nilai koefisien korelasi (r) sebesar 0,755 yang menunjukkan terdapat hubungan erat antara kerapatan lamun dengan kualitas air. S eagrass ecosystem is one of the i mportant ecosystem in coastal area that support biota life in the sea . Seagrass beds density i nfluenced by the place where it’s grow. The research was conducted on March 2014 at Karimunjawa Island , in order to know the type of seagrass, seagrass cover percentage, and correlations of the existence and seagrass beds density with the water quality i n the Karimunjawa Island. R esearch method is descriptive with case study to describe condition or status of research object on the phenomenon in detail. The material used was seagrass beds that found there and environment parameters include physical and chemical parameters such as temperature, current, depth, substrate, salinity, DO, pH , nitrate, phosphate, and ammoniac. The results obtained 8 seagrass species that a re Cymodocea rotundata, Cymodocea serrulata, Enhalus acoroides, Halodule pinifolia Halodule uninervis, Halophila ovalis, Thalassia hemprichii. T he seagrass cover percentage at Pancoran Belakang i s 63,73 %, Legon Lele 31,65%, and Alang-alang 24,33%. The value of correlation coefficient (r) is 0,755 that show a close relation between seagrass density with water qualit ies . }, issn = {2721-6233}, pages = {88--94} doi = {10.14710/marj.v3i3.6657}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/6657} }
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Ekosistem lamun merupakan salah satu ekosistem penting di wilayah pesisir sebagai pendukung kehidupan biota di laut. Kerapatan jenis lamun dipengaruhi oleh faktor tempat tumbuh dari lamun tersebut. Penelitian dilakukan pada bulan Maret 2014 di Perairan Pulau Karimunjawa dengan tujuan untuk mengetahui jenis dan keberadaan lamun, persentase tutupan lamun, dan hubungan keberadaan dan kerapatan lamun dengan kualitas air di Pulau Karimunjawa. Metode penelitian adalah deskriptif dengan studi kasus untuk menggambarkan keadaan atau status fenomena suatu objek penelitian secara detail. Pengumpulan data dilakukan dengan sampling menggunakan kuadran transek. Materi yang digunakan adalah lamun yang ditemukan di lokasi penelitian, data yang diukur meliputi parameter fisika dan kimia seperti suhu, kecepatan arus, kedalaman, substrat, salinitas, DO, pH, nitrat, fosfat, dan amoniak. Hasil penelitian didapatkan 8 jenis lamun yaitu Cymodocea rotundata, Cymodocea serrulata, Enhalus acroides, Halodule pinifolia, Halodule uninervis, Halophilla minor, Halophila ovalis, dan Thalassia hemperichii. Persentase penutupan lamun di Pancoran Belakang yaitu 63,73 %, Legon Lele 31,65 %, dan Alang-alang 24,33%. Nilai koefisien korelasi (r) sebesar 0,755 yang menunjukkan terdapat hubungan erat antara kerapatan lamun dengan kualitas air.
Seagrass ecosystem is one of the important ecosystem in coastal area that support biota life in the sea. Seagrass beds density influenced by the place where it’s grow. The research was conducted on March 2014 at Karimunjawa Island, in order to know the type of seagrass, seagrass cover percentage, and correlations of the existence and seagrass beds density with the water quality in the Karimunjawa Island. Research method is descriptive with case study to describe condition or status of research object on the phenomenon in detail. The material used was seagrass beds that found there and environment parameters include physical and chemical parameters such as temperature, current, depth, substrate, salinity, DO, pH, nitrate, phosphate, and ammoniac. The results obtained 8 seagrass species that are Cymodocea rotundata, Cymodocea serrulata, Enhalus acoroides, Halodule pinifolia Halodule uninervis, Halophila ovalis, Thalassia hemprichii. The seagrass cover percentage at Pancoran Belakang is 63,73 %, Legon Lele 31,65%, and Alang-alang 24,33%. The value of correlation coefficient (r) is 0,755 that show a close relation between seagrass density with water qualities.
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