1Program Studi Manajemen Sumberdaya Perairan Departemen Sumberdaya Akuatik, Indonesia
2 Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro, Indonesia
BibTex Citation Data :
@article{MARJ20577, author = {Silvia Alva W and Sutrisno Anggoro and Niniek Widyorini}, title = {KELIMPAHAN BAKTERI HETEROTROF DAN WATER QUALITY INDEX PADA KERAPATAN MANGROVE YANG BERBEDA DI DESA BEDONO, SAYUNG, DEMAK}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {6}, number = {3}, year = {2018}, keywords = {}, abstract = { ABSTRAK Serasah mangrove yang jatuh di lantai mangrove akan di dekomposisi oleh mikroorganisme heterotrof yang memiliki kemampuan mendegradasi serasah mangrove. Tujuan dari penelitian ini adalah mengetahui kerapatan mangrove, total bakteri heterotrof perairan pada beberapa kerapatan mangrove, Indeks Kualitas Air (IKA) serta hubungan kerapatan mangrove dengan total bakteri heterotrof dan Indeks Kualitas Air (IKA) perairan di Desa Bedono, Demak. Penelitian ini menggunakan metode deskriptif, dengan mengukur parameter pendukung yaitu parameter fisika dan kimia, dan melakukan perhitungan kelimpahan bakteri heterotrof menggunakan metode TPC ( Total Plate Count ). Hasil pengamatan menunjukan bahwa kelimpahan bakteri heterotrof tinggi berkisar antara (2.120-5.620) x 10 -6 Cfu/ml pada saat pasang dan 760-4.840 x 10 -6 Cfu/ml pada saat surut.. Berdasarkan hasil penelitian dapat disimpulkan bahwa kerapatan mangrove pada Desa Bedono berkisar antara 900-2.400 pohon/Ha; kelimpahan bakteri hetrotrof di Desa Bedono berkisar antara 760x 10 -6 Cfu/ml – 5.620 x 10 -6 Cfu/ml; Indeks Kualitas Air (IKA) yang didapatkan berkisar antara 33,1-46,93; terdapat hubungan yang berbanding lurus antara kelimpahan bakteri heterotrof dengan kerapatan mangrove, dan hubungan berbanding terbalik antara Indeks Kualitas Air (IKA), kelimpahan bakteri heterotrof dan kerapatan mangrove. Kata Kunci: Bakteri Heterotrof, Kerapatan Mangrove, Desa Bedono, Indeks Kualitas Air ABSTRACT The mangrove litter that falls on the mangrove floor will be decomposed by heterotrophic microorganisms that have the ability to degrade the mangrove litter. This research is purposed to know the density of mangrove in Bedono, Demak; Looking for total heterotrophic bacteria in some mangrove densities in Bedono village, Demak; knowing Water Quality Index (IKA) in Bedono Village; know the relationship of mangrove density with total heterotrophic bacteria, and Water Quality Index (IKA) in Bedono Village, Demak. This study uses a descriptive method, by measuring the supporting parameters of physical and chemical parameters, and calculating the abundance of heterotrophic bacteria using TPC (Total Plate Count) method. The observed results show the high abundance of heterotrophic bacteria ranging b etween (2.120-5.620) x 10 -6 Cfu/ ml at high tide and 760-4.840 x 10 -6 Cfu / ml at low tide. Based on the results of the research can be concluded that the mangrove density in Bedono village ranged between 900-2.400 trees/ Ha; The Water Quality Index (IKA) that occurs is between 33,1-46,93; There is a direct relationship between the abundance of heterotrophic bacteria with mangrove density, and the inverse relationship between the Water Quality Index (IKA), abundance of heterotrophic bacteria and mangrove density. Keywords: Heterotrophic Bacteria, Mangrove Density, Bedono Village, Water Quality Index }, issn = {2721-6233}, pages = {215--221} doi = {10.14710/marj.v6i3.20577}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/20577} }
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ABSTRAK
Serasah mangrove yang jatuh di lantai mangrove akan di dekomposisi oleh mikroorganisme heterotrof yang memiliki kemampuan mendegradasi serasah mangrove. Tujuan dari penelitian ini adalah mengetahui kerapatan mangrove, total bakteri heterotrof perairan pada beberapa kerapatan mangrove, Indeks Kualitas Air (IKA) serta hubungan kerapatan mangrove dengan total bakteri heterotrof dan Indeks Kualitas Air (IKA) perairan di Desa Bedono, Demak. Penelitian ini menggunakan metode deskriptif, dengan mengukur parameter pendukung yaitu parameter fisika dan kimia, dan melakukan perhitungan kelimpahan bakteri heterotrof menggunakan metode TPC (Total Plate Count). Hasil pengamatan menunjukan bahwa kelimpahan bakteri heterotrof tinggi berkisar antara (2.120-5.620) x 10-6 Cfu/ml pada saat pasang dan 760-4.840 x 10-6 Cfu/ml pada saat surut.. Berdasarkan hasil penelitian dapat disimpulkan bahwa kerapatan mangrove pada Desa Bedono berkisar antara 900-2.400 pohon/Ha; kelimpahan bakteri hetrotrof di Desa Bedono berkisar antara 760x 10-6 Cfu/ml – 5.620 x 10-6 Cfu/ml; Indeks Kualitas Air (IKA) yang didapatkan berkisar antara 33,1-46,93; terdapat hubungan yang berbanding lurus antara kelimpahan bakteri heterotrof dengan kerapatan mangrove, dan hubungan berbanding terbalik antara Indeks Kualitas Air (IKA), kelimpahan bakteri heterotrof dan kerapatan mangrove.
Kata Kunci: Bakteri Heterotrof, Kerapatan Mangrove, Desa Bedono, Indeks Kualitas Air
ABSTRACT
The mangrove litter that falls on the mangrove floor will be decomposed by heterotrophic microorganisms that have the ability to degrade the mangrove litter. This research is purposed to know the density of mangrove in Bedono, Demak; Looking for total heterotrophic bacteria in some mangrove densities in Bedono village, Demak; knowing Water Quality Index (IKA) in Bedono Village; know the relationship of mangrove density with total heterotrophic bacteria, and Water Quality Index (IKA) in Bedono Village, Demak. This study uses a descriptive method, by measuring the supporting parameters of physical and chemical parameters, and calculating the abundance of heterotrophic bacteria using TPC (Total Plate Count) method. The observed results show the high abundance of heterotrophic bacteria ranging between (2.120-5.620) x 10-6 Cfu/ml at high tide and 760-4.840 x 10-6 Cfu/ml at low tide. Based on the results of the research can be concluded that the mangrove density in Bedono village ranged between 900-2.400 trees/Ha; The Water Quality Index (IKA) that occurs is between 33,1-46,93; There is a direct relationship between the abundance of heterotrophic bacteria with mangrove density, and the inverse relationship between the Water Quality Index (IKA), abundance of heterotrophic bacteria and mangrove density.
Keywords: Heterotrophic Bacteria, Mangrove Density, Bedono Village, Water Quality Index
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