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All Journal Jurnal Biologi Tropis Agrikan: Jurnal Agribisnis Perikanan
Salim, Fajria Dewi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Habitat Preferences and Environmental Characteristics of Coconut Crab (Birgus Latro) On Hiri Island, Ternate City Abubakar, Yuyun; Sunarti, Sunarti; Salim, Fajria Dewi
Agrikan Jurnal Agribisnis Perikanan Vol. 14 No. 2 (2021): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1109.063 KB) | DOI: 10.52046/agrikan.v14i2.869

Abstract

The coconut crab is a marine biota that spends most of its adult phase in the terrestrial environment. Coconut crabs are also economically valuable because they can be traded as food ingredients and body frames used as home jewelry. However, the coconut crab is classified as a rare animal, and the distribution area is getting narrower. The purpose of the study was to determine habitat preferences and environmental characteristics. The research was carried out in the Tomajiko sub-district, Hiri Island district. Implementation time for six months from April – September 2021. Data Collection Procedure. The determination of the station is determined based on the difference in location or distance from the residential area. Sampling stations were determined at 3 (three) coconut crab fishing locations, namely stations I, II, and III with stations. The study results obtained 53 individuals who were female, 25 canary crabs, and 28 males, with a sex ratio obtained. During the study 1:1, there was a balance. Among the three stations, coconut crabs were mainly found in Station I, which had soil temperature, soil pH, and relative humidity suitable for the life of coconut crabs compared to other stations.
Livelihood assets:: A livelihood strategy for small fishers and fisherman laborers in Ternate City Salim, Fajria Dewi; Widyanti, Sri Endah
Agrikan Jurnal Agribisnis Perikanan Vol. 14 No. 2 (2021): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1050.993 KB) | DOI: 10.52046/agrikan.v14i2.870

Abstract

This study aims to describe living capital used by small fishermen households and fishing workers in Ternate City. The study results indicate that there are various ways that both small fishermen and fishing laborers use their livelihood strategies through their livelihood capital. In fishermen's labor households, the highest utilization of livelihood capital includes natural capital in the high category, namely 50%, human capital in the medium category (87.50%), physical capital in the medium category (56.50%), financial capital in the medium category (68, 50%). 75%), and low category social capital (87.50%). While for small fishers, natural capital is in the high category (71.91%), human capital is in the medium category (62.92%), physical capital is in the medium category (84.27%), financial capital is in the medium category (65.17%), and financial capital is in the medium category low social category (70.79%). It can be concluded that the use of livelihood capital for both fishermen and small fishers is moderate primarily. In contrast, the high utilization of natural capital indicates that fishers and small fishermen have high access to fishery resources and continue to go to the sea despite extreme weather or climate conditions.
Ecological Study Of Polychaeta (Family capitelidae) As A Bio-Indicator of Organic Pollution in Kasturian And Salero Coastal Waters City Of Ternate Irham, Irham; Salim, Fajria Dewi; Alhadad, M. Said
Agrikan Jurnal Agribisnis Perikanan Vol. 15 No. 2 (2022): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v15i2.1369

Abstract

Pollution of the marine environment hurts the survival of aquatic organisms. One of the impacts caused by human activities is sea pollution. One source of marine pollution comes from organic waste, namely waste that comes from household waste that enters the waters. It affects the ecology of organisms and creates species that are susceptible to pollutants. This study aimed to determine the level of organic matter contamination using the species diversity index and the dominance index of Polychaeta (family Capitelidae). This research was carried out around the coastal waters of the North Ternate District from March to July 2020. The parameters observed were determining the substrate's texture, organic matter, diversity and dominance, and environmental parameters, which were then determined by the level of water pollution. The results obtained found as many as 156 individual worms consisting of 2 (two) species, namely Heteromastus sp and Capitella capitata. The composition of the substrate consists of sand, silt and clay. Overall the substrate is dominated by dusty loams and sandy loams. The analysis of the diversity index, dominance index and dissolved oxygen content shows that Kasturian and Salero coastal waters in a heavily polluted condition.
Padina australis Seaweed Growth on The Coast of Toduku Island, Dehe Village, South Jailolo District, West Halmahera Regency H. Fadel, Ariyati; Abubakar, Yuyun; salim, Fajria Dewi; Abubakar, Salim; Susanto, Adinoman; Sunarti, Sunarti
Agrikan Jurnal Agribisnis Perikanan Vol. 15 No. 2 (2022): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v15i2.1397

Abstract

This study aimed to observe the morphometric growth of Padina australis algae naturally in waters. The growth seen was the length, diameter and weight of the P. australis thallus in nature. Padina australis lives on a substrate in the form of sand, sandy gravel. Sampling by purposive sampling. Each individual sample clump was measured thallus morphology, namely; thallus length, thallus diameter, and mass weight (BM) and water quality measurements, including temperature, salinity, depth and tides were measured to see the impact on the growth of P. australis. Toduku Island, Kec. South Jailolo, West Halmahera Regency, is the location for research on the growth of the Padina australis algae. Results; The length and diameter of the thallus had the highest mean value at the ST.I location and the lowest at ST.II, from the results of the analysis of the variance, it showed that the growth of the Padina australis thallus length and weight was not significantly different or non-significant with the Fhit value < Ftable for each Fhit length (2 .29) and Fhit weight (-16.52) < Ftab (3.54) while the thallus diameter showed a significant value, namely Fhit (14.62) > Ftab (3.54) at 95% confidence. Of the three parameters, only the thallus diameter showed a significant relationship with water quality conditions at the study site and was still significant for seaweed growth, while the relationship between thallus length and weight with water quality parameters (temperature, salinity, pH, etc.) significant.
Analysis of Availability and Size Distribution of Giant Shrimp (Macrobranchium sp) in River Togafo, Ternate City, North Mollucas Province Abubakar, Yuyun; Sunarti, Sunarti; Salim, Fajria Dewi; Rina, Rina; Abubakar, Salim; Serosero, Rugaya; Fadel, Ariyati H
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
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.v24i2.7005

Abstract

Giant prawns (Macrobrachium sp) are one of the freshwater aquaculture commodities that have high economic value (Murtidjo, 1992). The demand for giant prawns in Indonesia has only been met by 40% of all existing demand (Tambunan, 2009. The aim of the research was to analyze the abundance of giant prawns and the size distribution of giant prawns in Togafo Village, West Ternate District, Ternate City. The purposive sampling method was used in this research. Then the sampling points that had been determined using purposive sampling were marked with coordinates with the help of the Global Positioning System (GPS). For the research location, it was divided into 3 observation stations. First, the shrimp body length and weight were measured using calipers and analytical scales. Abundance relative = individual/trip and Distribution of length measurements and distribution of shrimp weight measurements can be grouped using the equation (Effendie, 1979) as follows: K = 1 + 3.3 log n. Note: K = Number of Interval Classes, n = Number of Observation Data, log = Logarithm. Based on the results, the highest abundance of giant prawns (Macrobrachium sp) is at station 3 with a value of 0.575 ind., station 1 is 0.336, the lowest is at station 2 with a value of 0.088 ind. Size Distribution The smallest ranges between 40.17-52.19 mm and the largest ranges between 105.25 – 117.27 mm.
Fishing Capacity Efficiency of Mini Purse Seine in Ternate City Salim, Fajria Dewi; Damsiki, Nuraini A; Ahmad, Aditiyawan; Abubakar, Yuyun; Fadel, Ariyati A
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.v24i4.7462

Abstract

The level of fishing efficiency and capacity of a fishery provides a useful instrument for policymakers to design management and control the response of the fishing industry to management. For this reason, fishing efficiency and capacity measures must be applied appropriately depending on a particular fishery's management and specific characteristics (Espino et al., 2006). This study aims to determine the efficiency of fishing capacity in mini purse seine in Ternate City. This research uses a descriptive quantitative method, DEA (Data Envelopment Analysis), to measure the technical efficiency of production (fishing capacity)—efficiency analysis using Microsoft Excel supported by frontier add-ins. The mini purse seine units that became Decision Making Units (DMU) were 20 DMUs consisting of 11 DMUs in Rua village, and 9 DMUs in Moti sub-district, Ternate City. Load capacity, fishing trip, fuel volume, number of crew members, and engine capacity are input factors in this study, while average production volume is the output factor. The results showed that 13 mini purse seine business units (13 DMUs) in Ternate City were inefficient (<1) and 7 mini purse seine business units were efficient. Most of the mini purse seine fishing capacity in Ternate City showed an inefficient condition (<1). The inefficient condition is caused by the excessive use of inputs (fishing capacity). Potential improvements can be made by reducing the use of inputs to obtain maximum output. Trip catch, fuel volume, and number of crew are production inputs that can be improved for optimum output in mini purse seine fishing in Ternate City. This research contributes to understanding best practices in using mini purse seines while supporting efforts to achieve economic sustainability in the capture fisheries sector in Ternate City.
Co-Authors Abubakar, Salim Abubakar, Yuyun Adi Noman Susanto Ahmad, Aditiyawan Alhadad, M. Said Ariyati H Fadel Damsiki, Nuraini A Fadel, Ariyati A H. Fadel, Ariyati Irham Irham Rina Rina Serosero, Rugaya Sunarti Widyanti, Sri Endah