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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia Journal of Marine and Aquatic Sciences Bumi Lestari Current Trends in Aquatic Science PAPALELE : Jurnal Penelitian Sosial Ekonomi Perikanan dan Kelautan Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management Jurnal Ilmiah Hospitality Management Advances in Tropical Biodiversity and Environmental Sciences
Kartika, I Wayan Darya
Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan Dan Perikanan, Universitas Udayana
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences Veterinary Other

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Journal : Bumi Lestari

 1 
Keanekaragaman Dan Distribusi Makroinvertebrata Di Perairan Hulu Tukad Cangkir Dan Tukad Pakerisan Kabupaten Gianyar I Gede Agus Isha Purusa; I Wayan Arthana; I Wayan Darya Kartika
Bumi Lestari Journal of Environment Vol 20 No 2 (2020)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2020.v20.i02.p04

Abstract

Cangkir and Pakerisan are two rivers which are located in Gianyar-Bali Regency, each with a length of 23 km (54.58 km2 of watershed area) and 34.5 km (58.33 km2 of watershed area). These two rivers empties into Lebih Beach that each has a species diversity and abiotic factors. At the upstream of the rivers were occupied by tourism activities that can affect the ecosystem. This study aims to determine the diversity and distribution of macroinvertebrates in the two rivers. Sampling stations were situated at upstream area with 5 stations and 3 replications (15 points) on each river. Sample identification was carried out at the Laboratory of Water Resources Management, Faculty of Marine Science and Fisheries, Udayana University. It was found four species, namely Littorina carinifera, Melanoides torulosa, Parathelphusa convexa, and Bellamya javanica. At upstream of Cangkir and Pakerisan rivers had species of random category distribution pattern with the Morisita Distribution Index value that equal to one. Physical and chemical factors had a major influence on the ecological conditions of the two rivers. The environmental conditions that consisting of substrate type, several physical and chemical parameters were unable to support the life of various biota species found in these aquatic ecosystems.
Kerapatan Lamun (Seagrass) dan Kelimpahan Makrozoobenthos di Perairan Pantai Mengiat Nusa Dua, Bali Mahendra Duwi Astutik; Ni Luh Watiniasih; I Wayan Darya Kartika
Bumi Lestari Journal of Environment Vol 21 No 2 (2021)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2021.v21.i02.p01

Abstract

Pantai Mengiat Nusa Dua, Bali merupakan salah satu pantai yang memiliki ekosistem padang lamun dengan keanekaragaman makrozoobenthos yang melimpah. Padang lamun (Seagrass) merupakan tumbuhan tingkat tinggi dan berbunga (Angiospermae) yang hidup terendam pada dasar perairan laut dangkal. Salah satu kelompok biota laut yang sering dijumpai pada kawasan padang lamun adalah jenis makrozoobenthos. Penelitian ini dilaksanakan pada bulan Januari - Maret 2021. Tujuan penelitian ini adalah untuk mengetahui kerapatan ekosistem lamun, kelimpahan makrozoobenthos serta hubungan kerapatan lamun dengan kelimpahan makrozoobenthos di Perairan Pantai Mengiat Nusa Dua, Bali. Sampel lamun dan makrozoobenthos diambil menggunakan transek kuadrat berukuran 0,5 x 0,5 m dengan 30 titik pada 3 stasiun dengan jarak 20 m antar titik. Spesies lamun yang ditemukan di Pantai Mengiat membentuk vegetasi campuran dengan 7 spesies lamun dengan kerapatan jenis tertinggi ditemukan pada Cymodocea rotundata. Makrozoobenthos yang ditemukan pada penelitian ini meliputi 1 spesies dari Kelas Bivalvia dan 14 spesies dari Kelas Gastropoda. Hubungan kerapatan lamun dengan kelimpahan makrozoobenthos menunjukkan hubungan yang kuat dengan nilai korelasi -0,765 dan menunjukkan arah negatif (-), dimana semakin tinggi nilai kerapatan lamun maka kelimpahan makrozoobenthos akan semakin rendah.
KEANEKARAGAMAN JENIS DAN KONDISI EKOSISTEM PADANG LAMUN DI PANTAI MENGIAT, NUSA DUA, BALI Alya Namira; I Wayan Arthana; I Wayan Darya Kartika
Bumi Lestari Journal of Environment Vol 21 No 2 (2021)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2021.v21.i02.p03

Abstract

This study aimed to determine the diversity, conditions, and diversity of seagrass at Mengiat Beach Bali. The study was conducted for 1 month, January-February 2021. The study was conducted at 3 observation stations using the 50 × 50 cm quadratic transect method. There were 7 types of seagrass, namely Cymodocea rotundata, Syringodium isoetifolium, Halodule pnifolia, Halodule uniinervis, Halophiila ovalis, Thalassodendron cilliatum, and Thalassia hempriichii. The density condition of the seagrass beds at stations I, II, and III was classified as a scale of 5 with the number of stands > 175 ind/m2. The species Cymodocea rotundata had the highest density, which was 904 ind/m2. The percentage of cover condition at station I in the good criteria of a rich / healthy condition witha seagrass cover value of 61.73%, while stations II and III were in the damaged category with less rich / unhealthy conditions with value at station II of 58.44. % and station III of 45.97%. There are 10 types of associated biota found namely Tripneustes gratilla, Etisus splendisus, Linckia laevigata, Atergatis floridus, Ophiothrix fragilis, Echinometra viridis, Echinometra mathei, Echinaster luzonicus, and Fromia Milleporella.
Pengaruh Hutan Mangrove pada Mitigasi Intrusi Air Laut di Surabaya Arisanti Dyah Puspitasari; I Wayan Restu; I Wayan Darya Kartika
Bumi Lestari Journal of Environment Vol 23 No 2 (2023)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2023.v23.i02.p08

Abstract

Seawater intrusion is the entry of seawater into the land through the soil pores. Seawater intrusion harms sanitation activities. Surabaya constitutes a city with a high population density, which leads to high demand for water that is not proportional to the water input that cause seawater intrusion. Mitigation efforts to minimize the occurrence of seawater intrusion were by planting mangrove forests which act as coastal protection systems. The purpose of this study was to determine the water quality of the wells in Kenjeran and Rungkut, as well as to determine whether the presence of mangroves could affect the water intrusion mitigation. Samples were taken from 2 stations in Kenjeran and Rungkut with 3 sampling points and 3 repetitions. The parameters measured were consist of salinity, electrical conductivity, chloride, and total hardness. The samples of laboratory results were analyzed comparatively with the Kruskal Wallis test. It showed that the water in the coastal areas of Kenjeran and Rungkut was categorized as saline water with an average salinity value ranging from 3.1–7.2 ppt. Electrical conductivity values ??ranged from 6916-7993 mmhos/cm. Chloride values ??ranged from 1825-3848 mg/l. Total hardness values ??ranged from 320-1025 mg/l. Based on the values ??above, the quality of well water in both locations is classified as having experienced seawater intrusion. The existence of a mangrove forest landscape has no significant effect on mitigating seawater intrusion, this is presumably because the low percentage of mangrove cover (3.2%) cannot degrade seawater intrusion in Rungkut. Keywords: Groundwater; Mangrove Forest; Mitigation; Sea water intrusion; Surabaya.
Co-Authors Agus Wahyudi Ahmad Alfian Rahman Alfi Hermawati Waskita Sari Alya Namira Anisa Oka Dina Arisanti Dyah Puspitasari Atsna Qi Doma T. Manihuruk Bagus Made Sabda Nirmala Bagus Putu Wahyu Nirmala Deta Miriam Br Sitepu Devi Ulinuha Dewangga Ari Kusuma Putra Hutagaol, Larasati I Gede Agus Isha Purusa I Kadek Alamsta Suarjuniarta I Ketut Wija Negara I Putu Fery Karyada I Wayan Arthana I Wayan Arthana I Wayan Arthana I Wayan Restu I Wayan Restu I Wayan Restu Ika Setiarini Ima Yudha Perwira Ima Yudha Perwira Johannes Lumban Tobing Jordan Alexander Anggiat Simanjuntak Kadek Bayu Prabha Mahesswara Ketut Adnyane Mudite Mahendra Duwi Astutik Ni Luh Watiniasih Nico Mulia Subekti Nyoman Dati Pertami Pande Gde Sasmita Julyantoro Putu Eka Wirawan Sherina Oktafianti Silitonga, Lidya Permata Sari Sitanggang, Melani Suprabadevi Ayumayasari Saraswati, Suprabadevi Ayumayasari Theresia Alvianita Muga Tomtommy Haykal Wafi Ayodhya Satyadharma Widya Purnama Dewi Wini - Trilaksani Winni Anugrah Hani Yulia Kartika Yusuf Arifianto Purnomo