Distributionand Diversity of Macro Algae Communities in the Ambon Bay

Litaay, Christina

doi:10.28930/jitkt.v6i1.8636

Cited by 9 publications

(8 citation statements)

References 1 publication

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“…Secara ekologi makroalga sebagai tempat perlindungan dan sumber makanan bagi biota laut (Kepel dkk., 2018). Secara biologi yakni sebagai produsen primer serta penghasil oksigen dalam lingkungan perairan dan secara ekonomi digunakan sebagai bahan pangan dan obat-obatan (Litaay, 2014). Keanekaragaman jenis makroalga dapat dijumpai pada salah satu pantai di Bali yaitu Pantai Pandawa.…”

Section: Pendahuluanunclassified

Struktur Komunitas Makroalga di Pantai Pandawa, Bali

Putri,

Pebriani,

Watiniasih

2023

J. Mar. Aquat. Sci.

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Macroalgae are classified as low-level plants (thallophyta), no have vascular and have a vegetative body that has not recognized the differentiation of the roots, stems and leaves, so it is called a thallus. This aims to determine the diversity of macroalgae species and the percentage of maroalgae cover in the waters of Pandawa Beach. The research was conducted for 2 months from January-February 2021. This study used a descriptive method with a quantitative approach. The data were collected at 3 stations using the 1x1 m2 quadrant transect of method. The results of the study found 17 types of macroalgae on Pandawa Beach including Halimeda macroloba, Padina australis, Ulva lactuca, Palmaria palmata, Galaxaura rugosa, Laurencia papillosa, Gracilaria textorii, Turbinaria deccurrens, Halimeda opuntia, Kappaphycus alvarezii, Gracilariopsis longissimi, Chondrococcus hornemannii, Amphiroa fragilissima, Chondrus crispus, Halymenia floresii, Amphiroa rigida, and Phyllophora crispa. The highest abundance value of macroalgae species was Laurencia papillosa species with a total of 2,87 individuals/m2. Based on the results of the calculation of the diversity index value on Pandawa Beach is 1,44-2,02 so it is included in the medium category. The uniformity index value on Pandawa Beach is 0,69-0,87 so it is included in the medium category. The dominance index value on Pandawa Beach is classified as a low category with a value of 0,17-0,28. The highest percentage value of macroalgae cover on Pandawa Beach was Laurencia papillosa with 0,53-2,87%.

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Section: Pendahuluanunclassified

Struktur Komunitas Makroalga di Pantai Pandawa, Bali

Putri,

Pebriani,

Watiniasih

2023

J. Mar. Aquat. Sci.

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“…(Sumber: Google Earth). Pengambilan data Caulerpa sp dan Lamun menggunakan metode transek kuadran (Litaay, 2014) sepanjang 100 meter dari garis pantai ke arah laut (Septiyaningrum dkk., 2020) dengan ukuran 1 meter dibagi kedalam 16 kotak kecil dengan ukuran masingmasing 25 cm, untuk memudahkan dalam perhitungan kerapatan anggur laut. Setiap stasiun diambil 3 kali percobaan.…”

Section: Metode Penelitianunclassified

HUBUNGAN KERAPATAN LAMUN Enhalus acoroides TERHADAP KERAPATAN ANGGUR LAUT Caulerpa sp. DI PERAIRAN KABUPATEN TAKALAR

Rosdiana,

Hadijah,

Ratnawati

2023

jae

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Caulerpa sp atau biasa disebut anggur laut merupakan alga laut yang tergolong dalam kelas Chorophyceae. Lamun merupakan tumbuhan berbunga (Angiospermae) yang mudah beradaptasi di perairan yang memiliki salinitas yang tinggi di dalam air. Salah satu permasalahan yang di hadapi yaitu pengembangan Caulerpa sp disulawesi selatan, sampai saat ini belum diketahui dengan pasti lokasi budidaya atau sebaran anggur laut (Caulerpa sp). Pengambilan data Caulerpa sp dan Lamun menggunakan metode transek kuadran. Ditemukan dua jenis lamun yaitu Enhalus acoroides dan Thalassia hemprichii. Sedangkan jenis anggur laut yaitu Caulerpa lentillifera dan Caulerpa racemosa. Nilai kerapatan jenis Enhalus acoroides yaitu 63,2 ind/m² dan Thalassia hemprichii yaitu 33,92 ind/m². jenis Enhalus acoroides memiliki kerapatan tertinggi yaitu pada stasiun 1 sebesar 34,24 ind/m² dan stasiun 2 sebesar 28,98 ind/m², kerapatan relatif Caulerpa racemosa yaitu pada stasiun 1 sebesar 83,50% dan stasiun 2 sebesar 68,37%. Caulerpa lentillifera dengan nilai kerapatan relatif pada stasiun 1 16,50% dan stasiun 2 sebesar 31,63%. Nilai kerapatan total jenis lamun sebesar 97,12 ind/m² dengan kondisi kerapatan lamun termasuk dalam skala 3 dengan nilai kerapatan 75-125 ind/m² (agak rapat). Kerapatan relatif anggur laut jenis Caulerpa racemosa sebesar 75,94% dan Caulerpa lentillifera sebesar 24,06%. Hubungan kerapatan jenis lamun terhadap kerapatan anggur laut memiliki korelasi derajat sempurna dengan nilai -923 (0,81 sampai dengan 1,00) dan bentuk hubungannya adalah negatif yang berarti semakin tinggi kepadatan jenis lamun, maka semakin rendah kepadatan relatif anggur laut begitu pula sebaliknya. Hasil analisis uji t diperoleh nilai Sig. sebesar 0,077 > 0,05 (alpha 5%) yang menunjukkan kerapatan jenis lamun tidak berpengaruh terhadap kerapatan relatif anggur laut. Caulerpa sp or commonly called sea grapes is a marine algae belonging to the Chorophyceae class. Seagrasses are flowering plants (Angiosperms) that are easily adaptable in waters that have high salinity in the water. (Audy & Gosari, 2012). One of the problems faced is the development of Caulerpa sp in South Sulawesi, until now the exact location of the cultivation or distribution of sea grapes (Caulerpa sp) has not been known. Caulerpa sp and seagrass data were collected using the quadrant transect method (Litaay, 2014). Two types of seagrass were found, namely Enhalus acoroides and Thalassia hemprichii. While the types of sea grapes are Caulerpa lentillifera and Caulerpa racemosa. The density value for Enhalus acoroides is 63.2 ind/m² and for Thalassia hemprichii is 33.92 ind/m². the Enhalus acoroides type had the highest density, namely at station 1 of 34.24 ind/m² and station 2 of 28.98 ind/m², the relative density of Caulerpa racemosa was at station 1 of 83.50% and station 2 of 68.37%. Caulerpa lentillifera with a relative density value at station 1 of 16.50% and station 2 of 31.63%. The total density value of seagrass species is 97.12 ind/m² with seagrass density conditions included in a scale of 3 with a density value of 75-125 ind/m² (rather dense). The relative density of Caulerpa racemosa grapes is 75.94% and Caulerpa lentillifera is 24.06%. The relationship between the density of seagrass species and the density of sea grapes has a perfect degree correlation with a value of -923 (0.81 to 1.00) and the opposite form is negative, which means that the higher the density of seagrass species, the lower the relative density of sea grapes and vice versa. The results of the t test analysis obtained the value of Sig. of 0.077 > 0.05 (5% alpha) which indicates the density of seagrass species does not affect the relative density of sea grapes.

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“…In addition to inanimate objects, macroalgae can also be attached to other plants epiphytically. The growth of substrate-dependent macroalgae is directly influenced by sedimentation [1]. The presence of macroalgae has functions in terms of biological, ecological, and economic.…”

Section: Introductionmentioning

confidence: 99%

Distribution pattern of macroalgae community in Pecaron Beach, Kebumen Regency

Widyartini

Hidayah²,

Piranti³

et al. 2023

Proceeding ICMA-SURE

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Macroalgae have a high species diversity but are very susceptible to environmental changes or ecological pressures that can affect their existence. Pecaron Beach conditions have a substrate type of sand and coral fragments. This study aims to determine the pattern of macroalgae distribution in the waters of Pecaron Beach Kebumen. The research method uses a survey method with a purposive random sampling technique. Variables observed in this study are macroalgae distribution patterns. The observed parameters consist of the main parameters and supporting parameters. The main parameters consist of macroalgae biomass, while the supporting parameter consists of depth values at low tide, salinity, temperature, acidity degree (pH), wave height, phosphate levels, and nitrates of water. The data obtained were then analyzed for distribution patterns using calculated of the Morisita index. The results of the study on Pecaron Beach found 12 species, i. e. Valoniopsis pachynema, Chaetomorpha antenina, C. crassa, Ulva lactuca, U. rigida, U. fasciata, Chondracanthus harveyanus, Tricleocarpa fragilis, Gelidium rigidum, Palmaria palmata, Eucheuma spinosum, Callophyllis crispata, and Sargassum crassifolium, with distribution patterns at clustered species, with the highest distribution pattern values in Ulva lactuca, U. rigida, and U. fasciata species (12,000), and the lowest distribution pattern in Chondracanthus harveyanus (2,121).

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Distributionand Diversity of Macro Algae Communities in the Ambon Bay

Cited by 9 publications

References 1 publication

Struktur Komunitas Makroalga di Pantai Pandawa, Bali

Struktur Komunitas Makroalga di Pantai Pandawa, Bali

HUBUNGAN KERAPATAN LAMUN Enhalus acoroides TERHADAP KERAPATAN ANGGUR LAUT Caulerpa sp. DI PERAIRAN KABUPATEN TAKALAR

Distribution pattern of macroalgae community in Pecaron Beach, Kebumen Regency

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