STRUKTUR KOMUNITAS LAMUN BERDASARKAN JENIS SUBSTRAT YANG BERBEDA DI PERAIRAN PANTAI TUKAK DAN PULAU ANAK AIR, KABUPATEN BANGKA SELATAN

IRAWATI, NADYA AFRIANTINA and Hendri, Muhammad and Muftiadi, Muhammad Rizza (2022) STRUKTUR KOMUNITAS LAMUN BERDASARKAN JENIS SUBSTRAT YANG BERBEDA DI PERAIRAN PANTAI TUKAK DAN PULAU ANAK AIR, KABUPATEN BANGKA SELATAN. Undergraduate thesis, Sriwijaya University.

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Abstract

South Bangka waters have the potential for seagrass bed with large ecological function. The diversity of seagrass is affected by the type of substrate. Human activities such as tin mining, fishing and ecotourism that exist around this area can affect changes in seagrass beds so that seagrass beds are possible to have a change in every year. The purposes of this research are to identify the types of seagrass and the substrate, to know the distribution patterns of seagrass and to analyze the effect of the difference substrate on the structure of the seagrass community. The samples and data taken were in the form of seagrass and sediment as well as seagrass transect data. The results of this study found 5 species namely E. acoroides, T. hemprichii, C. rotundata, C. serrulata and H. uninervis and the types of substrate found were Clayey Sand, Sandy Clay and Sand. The diversity index value of all stations is low and the dominance of all stations is high. The uniformity at stations 1 and 2 are low, however, at stations 3 and 4 it are high. The distribution pattern at stations 1 and 2 of the species E. acoroides and T. hemprichii were included in the group distribution category, while at station 2 the types of C. serrulata and C. rotundata included uniform distribution. At station 3, the type of seagrass C. serrulate was included in the random distribution pattern and H. uninervis was included in the group distribution pattern. At station 4, all seagrass species, such as T. hemprichii, C. serrulata and C. rotundata, were included in the group distribution pattern. The results of the analysis (PCA) showed a cumulative eigenvalue of 75.904% with dominance index was influenced by the type of clay substrate.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Bangka Selatan, Lamun, Substrat, Struktur Komunitas
Subjects:	Q Science > QH Natural history > QH540-549.5 Ecology
Divisions:	08-Faculty of Mathematics and Natural Science > 54241-Marine Science (S1)
Depositing User:	Nadya Afriantina Irawati
Date Deposited:	26 Jan 2023 03:33
Last Modified:	26 Jan 2023 03:33
URI:	http://repository.unsri.ac.id/id/eprint/87675

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