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All Journal JURNAL HUTAN LESTARI Jurnal Teknik Hidro Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Economic, Bussines and Accounting (COSTING) Jurnal Biologi Tropis Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Magister Pendidikan IPA JUPE : Jurnal Pendidikan Mandala Pena Justisia: Media Komunikasi dan Kajian Hukum Biologica Samudra Jurnal Biogenerasi Jurnal Ilmiah Profesi Pendidikan Pedagogia: Jurnal Ilmiah Pendidikan Dasar Indonesia Jurnal Ilmiah Wahana Pendidikan Jurnal Jeumpa Nekton Jurnal Penelitian Pendidikan Matematika Bioed : Jurnal Pendidikan Biologi Journal of Early Childhood Education BIOMA : Jurnal Biologi dan Pembelajarannya ALSYS : Jurnal Keislaman dan Ilmu Pendidikan Journal of Education Review Provision JISIP UNJA (Jurnal Ilmu Sosial Ilmu Politik Universitas Jambi) Jurnal Pengabdian Kepada Masyarakat Ekonomi, Pendidikan, dan Sosial Humaniora eProceeding of TIK Ibrah: Jurnal Pengabdian kepada Masyarakat Jurnal Malikussaleh Mengabdi Biodik: Jurnal Ilmiah Pendidikan Biologi Scientific Journal of Management and Business Jurnal Rekam Medic
Ayu Wahyuni
Fakultas Kehutanan Universitas Tanjungpura. Jln Imam Bonjol Pontianak 78124
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Journal : Jurnal Biologi Tropis

 1 
Mangrove Crab (Scylla olivacea) Population in The Waters of The Mangrove Area, Sei Lepan Subdistrict, Langkat District, North Sumatera Damayanti, Ervina; Jayanthi , Sri; Wahyuni, Ayu
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7653

Abstract

Mangroves are a habitat for mangrove crabs, one of which is Scylla olivacea, which is a source of protein and has nutritional value and is a food commodity whose selling value increases every year. The aim of this research was to determine crab density, crab growth patterns and physical and chemical condition parameters. Determining the location of the station used purposive sampling at 3 observation research locations, at each observation location 10 traps were placed. The data analysis used is data on crab density, growth patterns and environmental physico-chemical factors. This research was conducted in August 2023. There were 18 Scylla olivacea crabs that were obtained at station 1, 6 (3 males, 3 females), station 2, 5 (1 female, 4 males), station 3, 7 (3 male, 4 female), with a density value of 1800 ind/ha. The growth pattern for male mud crabs is W = 0.0202x + L5.9649 with a value for females of W = 0.0243x L+5.8572, while at all observation stations W= 0.0191x+L 6.2536. So the growth pattern of Scylla olivacea is negative allometric. Environmental parameter data consists of temperature, salinity and pH. At salinity 10 0/00 - 20 0/00 and temperature ranging from 24 0 C- 27 0 C, pH ranges from 7.1-7.3.
Diversity and Distribution Patterns of Gastropods on Kupang Beach, Seruway District Halimatun, Futria; Mawardi, Abdul Latif; Wahyuni, Ayu; Hariani, Indri; Fauziah, Cut
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i1.6571

Abstract

Seruway is one of the sub-districts in Aceh Tamiang, which is located in the coastal area. This coastal area is dominated by mangrove species, where the mangrove area is used as a habitat for aquatic biota animals, one of which is gastropods. Gastropods are soft-bodied animals that have threaded shells. This research aims to determine the value of the species diversity index and distribution patterns of gastropods in Kupang Beach, Seruway District. This research is a type of quantitative descriptive research with sampling using a survey method. Sampling was taken using transects. Sampling was divided into 3 stations, namely the first station in the mangrove area, the second station in the beach area and the third station in the pond area. Each station consists of 4 transects measuring 50 meters, each transect has 4 plots measuring 10x10m. Samples that are obtained will be identified using an identification book. The research results showed that the number of gastropod species found was 17 species from 9 families with a total diversity index value at the research location, namely H'= 2.405, which is classified as medium. The distribution pattern of gastropods on Kupang Beach falls into two categories, namely the uniform category 59% and the undefined category 41%.
Co-Authors Abriyani, Ermi Afriliany, Syerli Putri Ahmad Hasyim Akbar, M Ali Ali, Muh. Yunus Anis, Madhan Arnentis Asni, Nur Asni Aswan, Dara Mutiara Avianita Rachmawati Azaria, Liza Azhari, Nurfidia Budiarti, Reni Sulistiyoning Cut Fauziah Damayanti, Ervina Daniel Happy Putra Dedi Supendra Devi Lorenza, Adella E, Muh. Iksan Ekariana S Pandia Eldarni Fadhelina, Nishbah Fairish, Novi Lavly Febblina Daryanes Febriana, Nana Fitri, Dwi Hafiz Ardian Halimatun, Futria Hariani, Indri Harlis Harlis Hartana, Davina Dewi Hasami, M Hayatun Nufus hendri, nofri Hidayah, Himyatul Hidayah, Himyatul Nur Hilwa, Cut Ilham, Ramdani Nur Indriaty Indriaty, Indriaty Irda Sayuti Irmanda, Reva Putri Iswan Dewantara Jayanthi , Sri Juwantara, Ridho Agung Khairunnisa Khairunnisa Khasanah, Nurul Uswatun Lambertus Langga Lanontji, Muryanto Lestari, Indah Lepi Ma'rupah, Ma'rupah Marjanah Marjanah, Marjanah Maurizkya, Khesya Shafira Mawardi, Abdul Latif Misnarliah Mistar, Johaidah Muliana, Syeifa Murniati . Mursyidah Mursyidah Musayyadah Muslimin Muslimin Muthaqimah, Yasinta Vivia Nabila, Alya Maulida Nasution, Hasbi Assidiqi Natalia, Desfaur Nesah, Irma Nirwana, Iqrya Nur Rahmah Nur, Siti Fadhilah Nurfadhillah, Septy Nurhasanah, Risky Nurhasnah Manurung, Nurhasnah Nurmala Sari Nursamsu Nursamsu Pepayosa, Enca Praptini Yulianti, Praptini Pratiwi, Salmi Indah Putri, Dinda Revalina Rahmati Rahmati Raihan, Muhammad Ade Rifni, Azira Rony, Zahara Tussoleha Sari, Muliani Tiana Sarjani, Tri Mustika Saroh, May Sinaga, Juwita Br Sri Jayanthi, Sri Subariyanto, Subariyanto Sukmawati, Cut Syahfitri, Nabila Tendri, Muslimin Ti Aisyah Utami, Alma Yulia Wahyudi Umar Wulandhani, Suci Yeni Agustina, Yeni