Keanekaragaman Makrozoobentos Sebagai Indikator Kondisi Perairan Di Ekosistem Mangrove Pulau Pari, Kepulauan Seribu

Bai'un, Nurul Hanifah; Riyantini, Indah; Mulyani, Yeni; Zallesa, Sheila

doi:10.21776/ub.jfmr.2021.005.02.7

Cited by 7 publications

(6 citation statements)

References 3 publications

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“…individuals within a species and an even distribution across species(Bai'un et al, 2021). Waru Waru has always had the highest diversity index value, which ranges between 0.34 and 0.49, according to the findings of the diversity index (Figure6), which were calculated for all five stations and four different time periods.…”

mentioning

confidence: 85%

Assessment of Community Structure of Macroinvertebrates, Coral Cover and Water Quality in Sempu Strait, Malang Regency, East Java

Isdianto,

Kurniawan,

Wicaksono

et al. 2023

J. Ecol. Eng.

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Due to the sensitivity of invertebrates to environmental changes, their presence can serve as an indicator of coral reef health and water quality. This study seeks to ascertain the abundance of invertebrates, the structure of the invertebrate community, and their relationship with coral cover and water quality parameters in the waters of Sempu Strait. The belt transect method and the underwater photo transect (UPT) are used to determine the abundance of invertebrates and coral cover, respectively. Temperature, pH, DO, salinity, and water clarity are measured for water quality. According to the study's findings, seven of the nine invertebrate species were found. Between October 2021 and May 2022, seven of nine invertebrate biota categories, 733 species, and 606 species dominated by Diadema sea urchins were observed every two months. The invertebrate abundance ranged from 0.024 to 0.512. A low and imbalanced invertebrate diversity ranges from 0.078 to 0.493 (H' < 1). The range of the equality index (E < 0.4) is between 0.04 and 0.22, indicating a low community index. There are three levels of dominance index values: low, medium, and high. Due to their abundance, Diadema sea urchins dominate the Sempu Strait, particularly near the Jetty Station with its port activity. Coverage of coral reefs varies between 6% and 21.3%, indicating low and damaged corals. The correlation between coral cover and invertebrate abundance is moderate in Banyu Tawar and Rumah Apung (0.480 to 0.490), whereas it is weak in Watu Meja,. The abundance of invertebrates has a weak link with values ranging from -0.037 to -0.283 for water clarity, temperature, salinity, DO, and pH, but it has a strong correlation with a value of 0.610 for current velocity. The environment, including human activities and water quality, has a significant impact on macroinvertebrate communities. Environmentally tolerant macroinvertebrates will outcompete the vulnerable ones.

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confidence: 85%

Assessment of Community Structure of Macroinvertebrates, Coral Cover and Water Quality in Sempu Strait, Malang Regency, East Java

Isdianto,

Kurniawan,

Wicaksono

et al. 2023

J. Ecol. Eng.

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“…Faktor lain yang menjadi pengaruh terhadap kecepatan arus di stasiun 1 yaitu proses pengambilan data disaat surut. Hal ini sesuai dengan pernyataan Bai'un et al (2021), kecepatan arus yang kecil dapat disebabkan oleh pengambilan data kecepatan arus yang dilakukan pada saat permukaan air laut surut dan cukup tenang. Arah arus yang didapatkan dari hasil penelitian menunjukan ke arah barat daya.…”

Section: Hasil Dan Pembahasanunclassified

Kajian Jenis dan Bobot Sampah Makroplastik di Kawasan Padang Lamun Perairan Pulau Kelapa Dua Kepulauan Seribu Jakarta

Ramadhani,

Munasik,

Riniatsih

2023

J. Mar. Res.

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Sampah merupakan sesuatu yang terbuang atau dibuang dari sumber hasil aktifitas makhluk hidup dan tidak mempunyai nilai ekonomi. Sampah makroplastik merupakan sampah yang sulit atau tidak dapat terurai oleh mikroorganisme. Sampah dari daratan terbawa ombak ke laut menyebabkan pencemaran. Penelitian ini bertujuan mengetahui pengaruh sampah makroplastik terhadap kondisi padang lamun di perairan Pulau Kelapa Dua, Kepulauan Seribu, Jakarta. Materi penelitian yang digunakan yaitu sampah makro plastik yang diambil di perairan padang lamun dan air yang diambil di area padang lamun. Metode yang dilakukan yaitu persiapan, penentuan stasiun penelitian, pengambilan data, dan analisis data. Pengamatan sampah makroplastik di area padang lamun dilakukan sebanyak 3 kali pengulangan dalam satu stasiun. Hasil penelitian menunjukan bahwa tipe pasang surut di lokasi pengamatan memiliki tipe pasang surut diurnal type. Data kecepatan arus berkisar antara 0,021-0,030 m/s dengan arah arus menuju barat daya, suhu antara 29,5-32,6 oC, kadar salinitas berkisar antara 24-28 o/oo, kadar BOT antara 11,152-35,81 mg/liter, kadar DO antara 5,56-6,25 ppm, dan tingkat kecerahan menunjukan 100% jernih hingga dasar. Berat sampah makroplastik yang ditemukan di seluruh stasiun pengamatan berkisar antara 0,075-2,19 Kg dengan rata – rata ukuran sebesar 8,2-15,6 cm. Persentase penutupan lamun total memiliki nilai 26,77 %, hal ini menunjukan kondisi padang lamun di perairan Pulau Kelapa Dua termasuk kedalam kategori sedang. Garbage is generally something that is wasted or thrown away from the source of the activities of living things and has no economic value. Macroplastic waste is waste that is difficult or even impossible to decompose with the help of microorganisms. Garbage from the mainland will slowly be carried by the waves to the bottom of the ocean which can cause pollution to the ecosystem in the sea. This study aims to determine the effect of macroplastic waste on seagrass conditions in the waters of Kelapa Dua Island, Thousand Islands, Jakarta. The research material used consisted of macro plastic waste taken from seagrass beds, as well as water collected from seagrass beds. The method employed involved the preparation, maintenance of research steps, data collection, and data analysis. Observation of macroplastic waste in the seagrass area was carried out 3 times in one station. The results showed that the tidal type at the observation site had a diurnal tidal type. Current velocity data ranged from 0.021-0.030 m/s with the current direction towards the southwest, temperature between 29.5-32.6 oC, salinity levels ranging from 24-28 o/oo, BOT levels between 11,152-35.81 mg/liters, DO levels are between 5.56-6.25 ppm, and the brightness level shows 100% clear to basic. The weight of macroplastic waste found in all observation stations ranged from 0.075-2.19 Kg with an average size of 8.2-15.6 cm. The percentage of total seagrass cover has a value of 26.77%, this shows that the condition of seagrass beds in the waters of Kelapa Dua Island is included in the medium category.

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“…Menurut Fadhilah et al (2013), menyatakan bahwa keong dapat melakukan proses metabolisme secara optimal pada kisaran suhu antara 25 o C-32 o C. Dari keseluruhan hasil yang didapatkan dari ketiga stasiun masih mendukung kehidupan keong. Suhu diatas 35 o C-40 o C merupakan lethal temperature bagi Makrozoobentos termasuk Gastropoda, karena mencapai titik kritis yang dapat menyebabkan kematian (Bai'un et al, 2021).…”

Section: Parameter Fisika Dan Kimiaunclassified

Struktur Komunitas Gastropoda sebagai Bioindikator Pencemaran Air Sungai Gorong Kabupaten Lombok Tengah dalam Upaya Penyusunan Petunjuk Praktikum Ekologi

Hadi

2023

Biocaster j. kaji. bosbiol.

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Gastropods are invertebrate animals that have a soft-bodied morphology, mostly shelled, then walk using their stomachs and live only in waters as their habitat. One of the waters used as a habitat for gastropods is the Gorong River. Gorong River is one of the rivers located in Pengadang Village, Praya Tengah District, Central Lombok Regency, which has a fairly high diversity of gastropods. Gastropod diversity can be used as a bioindicator of water pollution. This study aims to determine the species, population, diversity, and abundance of conch (Pilla ampullacea) in the Gorong River, Central Lombok Regency as material for preparing ecological practical instructions. This type of research is descriptive exploratory. Gastropod sampling was carried out at 3 stations using purposive sampling technique. Based on the research results, there were 5 types of gastropods, namely: Melanaides granifera, Pilla ampullacea, Thiara pantherina, Thiara scabra, and Salinator burmana. Dominance index values ranged from 0.154-0.999, diversity index values (Shannon-Wiener) ranged from 0.326-0.807, and the abundance of all snails found in the gorong river in Pengadang Village was 122 snails. Based on the results of the chemical physics parameter assessment at the three stations, which ranged from 270C-330C, current speed 6-30 m/s, depth 9-30 m/s, pH 8.36-8.49, DO 8.03-8.10 mg /L, BOD 5.78-5.00 mg/L, and COD 15.68-15.68 mg/L. The results of the validation of the practicum instructions from the three expert validators were between 68-93 and the student readability test between 60-100 which means very good, so that the preparation of the ecological practicum instructions was declared feasible to use.

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Keanekaragaman Makrozoobentos Sebagai Indikator Kondisi Perairan Di Ekosistem Mangrove Pulau Pari, Kepulauan Seribu

Cited by 7 publications

References 3 publications

Assessment of Community Structure of Macroinvertebrates, Coral Cover and Water Quality in Sempu Strait, Malang Regency, East Java

Assessment of Community Structure of Macroinvertebrates, Coral Cover and Water Quality in Sempu Strait, Malang Regency, East Java

Kajian Jenis dan Bobot Sampah Makroplastik di Kawasan Padang Lamun Perairan Pulau Kelapa Dua Kepulauan Seribu Jakarta

Struktur Komunitas Gastropoda sebagai Bioindikator Pencemaran Air Sungai Gorong Kabupaten Lombok Tengah dalam Upaya Penyusunan Petunjuk Praktikum Ekologi

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