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All Journal Journal of Marine and Aquatic Sciences Naturalis : Jurnal Penelitian Pengelolaan Sumberdaya Alam dan Lingkungan
Zamdial Zamdial
Program Studi Ilmu Kelautan Fakultas Pertanian Universitas Bengkulu
Earth & Planetary Sciences

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ANALISIS KARAKTERISTIK HABITAT KEPITING BAKAU (Scylla spp.) DI EKOSISTEM MANGROVE KELURAHAN KANDANG KECAMATAN KAMPUNG MELAYU KOTA BENGKULU Zamdial Zamdial; Dede Hartono; Ari Rhamadhon; Nurlaila Ervina Herliany
Naturalis: Jurnal Penelitian Pengelolaan Sumber Daya Alam dan Lingkungan Vol. 10 No. 1 (2021)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/naturalis.10.1.17931

Abstract

The goals of this study was to identify the characteristics of mangrove crab habitat in Kandang Village, Kampung Melayu District, Bengkulu City. This research was conducted in September 2020, using a survey method. Primary data were collected by direct observation and measurement methods at the research location.The station for sampling and data measurement was determined by the purposive method. All samples were analyzed in the Fishery Laboratory, Faculty of Agriculture, Bengkulu University.The analysis of the bottom substrate type was carried out using the Shepard Triangle method. Macrozoobenthos data analysis was conducted to determine the conditions of structural community which consisted of diversity index (H '), uniformity index (E) and dominance index (C). The study results showed the waters parameter values of the mangrove crab habitat were temperature (290 C), pH (7), and salinity (10ppt). Based on sediment analysis showed that the sediment was dominated by the dust fraction, which was 74.54%, then followed by 11% clay and 10% sand. The substrate of the waters is a dusty clay type, with a composition of dust (74.54%), clay (11%), and sand (10%). There are 4 types of macrozoobenthos that found from substrate samples, namely Thiaridae, Corbiludae, Bulimidae, and Gobiidae. The value of the diversity index (H ') macrozoobenthos was 0.83 and the dominance index value (C) was 0.74. The uniformity index (E) was based on the calculation of the data obtained by the value of 0.60, this showed that the level of uniformity was high, also justified by the presence of one dominating individual. The parameter values and the type of water substrate in Kandang Village, Kampung Melayu District, Bengkulu City still support the growth and survival of mangrove crabs.
Analisis Aspek Ekobiologi Ikan Kakatua (Scaridae) di Perairan Pulau Tikus Kota Bengkulu Ria Ramadhani Dafitri; Zamdial Zamdial; Ayub Sugara
Journal of Marine and Aquatic Sciences Vol 9 No 2 (2023)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/jmas.2023.v09.i02.p17

Abstract

The large potential of marine fisheries owned by the City of Bengkulu can be an economic source for the local community. The fish potential comes from pelagic fish and reef fish. One of the reef fish is the parrot fish (Scaridae). Parrot fish in Bengkulu City are obtained from Tikus Island which are sold on Malabero Beach. The purpose of this study was to analyze the ecobiological aspects of parrot fish (Scaridae) in Tikus Island waters, Bengkulu City. The results of this study are expected to provide information in the form of valid data regarding the ecobiological aspects of parrot fish (Scaridae) in Tikus Island waters, Bengkulu City. In this study, data collection to look at ecological or environmental aspects was carried out by direct observation in the field at 3 stations, while biological aspects, namely food habits (amount/type of food), were observed through a microscope in the laboratory. The results of water parameter measurements, namely the temperature at station 1 ranged from 28-29 0C, station 2 is 29 0C, station 3 is 29 0C. pH value at station 1 is 7.0-7.3, station 2 is 7.3-7.7, station 3 is 6.5-7.1. Salinity values at station 1 is 31 ppt, station 2 is 30 ppt and station 3 is 31 ppt. Dissolved oxygen (DO) at station 1 ranged from 5.6-6.3 mg/L, station 2 5.2-5.3 mg/L and station 3 5.6-6.1 mg/L. The water brightness at station 1 is 9.2 m, at station 2 is 6.6 m and at station 3 is 7.4 m. Current velocity at station 1 ranges from 0.09-0.11 m/s, station 2 are 0.08-0.14 m/s, and at station 3 ranges from 0.05-0.09 m/s. Water depth at station 1 is 9.2 m, station 2 is 7.3 and station 3 is 7.5 m. These results indicate that Tikus Island water have a good environment for survival and habitat of parrot fish (Scaridae) or other marine biota. Furthermore, the biological aspects studied are food habits. Based on the identification results, 4 groups of food types were found in the parrot fish stomach, namely phytoplankton, zooplankton, sand coral, and were not identified. The percentage of food groups found from phytoplankton, zooplankton, sand coral, and not identified were 53%, 3%, 15%, 29%, respectively.
Co-Authors Ari Rhamadhon Ayub Sugara Dede Hartono Nurlaila Ervina Herliany Ria Ramadhani Dafitri