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All Journal Techno: Jurnal Penelitian AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan Jurnal Biologi Tropis Jurnal Ilmu Kelautan Kepulauan Agrikan: Jurnal Agribisnis Perikanan

Yuyun Abubakar

Universitas Khairun

Author-ID : 3267585

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science Immunology & microbiology

Published : 14 Documents Claim Missing Document

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Articles

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Growth and Success Rate of Mangrove Rehabilitation Activities in Moti Island, Moti District, Ternate City Salim Abubakar; Rina Rina; Masykhur Abdul Kadir; Riyadi Subur; Sunarti Sunarti; Yuyun Abubakar; Adi Noman Susanto; Reni Tyas Asrining Pertiwi; Aditiyawan Ahmad; Iwan Hi. Kader
JURNAL AGRIKAN (Agribisnis Perikanan) Vol 14 No 2 (2021): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

This research was carried out on Moti Island, Moti District, Ternate City, North Maluku Province for 6 months, April - September 2021. This study used mixed research methods between quantitative and qualitative research with the aim of complementing the description of the study results regarding the phenomenon being studied and to strengthen research analysis. Data collection consisted of interviews, questionnaires and field observations. The assessment of plant success was carried out through a sampling technique using the Systematic Sampling with Random Start method, ie the first plots were made randomly and the next plots were made systematically. The results showed that the plant height growth (Growth rate) in Tafaga Village in an area of 100 x 100 meters with an average of 31 cm. While the area is 100 x 50 meters with an average of 49 cm. Meanwhile, in Figur Village, the general population experienced good growth with an average of 63 cm. The success of rehabilitation activities in Tafaga Village was very low at 9% and 21% so that they were not successful overall. While in Figur Village it is considered successful with 80% success.

Gastropod Communities in Seagrass Ecosystems in Tafaga Coastal Waters and Figures, Moti Island District, Ternate City Sunarti Sunarti; Yuyun Abubakar; Salim Abubakar; Riyadi Subur; Rina Rina; Masykhur Abdul Kadir; Adi Noman Susanto; Ariyati H. Fadel
JURNAL AGRIKAN (Agribisnis Perikanan) Vol 14 No 2 (2021): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

This study was conducted with the aim of knowing the composition of gastropod species that live in the seagrass area of Tafaga and Figur coastal waters, Moti Island and to determine the structure of the gastropod community which includes density, diversity, dominance and species evenness. The sampling technique was carried out using the 50x50 m block area method. The composition of gastropod species found in coastal waters of Tafaga (station 1) was 6 species and coastal waters of Figure (station 2) were 17 species. The highest density of gastropod species in station 1 was found in the Nassarius pullus species and the lowest in the Naria erosa species. Meanwhile, in the station 2, the highest density of gastropod species was also found in the Nassarius pullus species and the lowest in the Strombus lentiginosus species. The diversity of gastropod species at station 1 is low and there are species that dominate and the distribution of species is quite even. While at station 2 the species diversity is moderate and no species dominates and the species distribution is evenly distributed.

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

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.

Potential and Interaction Patterns of Utilization of Seagrass Fishery Resources in Tuduku Island, South Jailolo District, West Halmahera Regency Rina Rina; Darmawaty Darmawaty; Salim Abubakar; Masykhur Abdul Kadir; Riyadi Subur; Sunarti Sunarti; Yuyun Abubakar; Adi Noman Susanto
JURNAL AGRIKAN (Agribisnis Perikanan) Vol 15 No 1 (2022): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

. Seagrass ecosystem is one of the coastal ecosystems that can provide food supply and improve the living standards of coastal residents. The objectives of the study were to determine the composition of the seagrass species on Toduku Island, to determine the composition of the seagrass biota species, to determine the community structure of seagrass species and associated biota including species diversity, species dominance and species density and to determine the interaction pattern of the utilization of seagrass fisheries resources by the community around Toduku Island. . The method used is field observation and Participatory Rural Appraisal (PRA). The composition of seagrass species in Toduku Island are Enhalus acoroides, Thalassia hemprichii, Halophila minor, Cymodocea rotundata, Halodule pinifolio, and Syringodium isoetifolium. The composition of the biota that inhabits the seagrass beds of Toduku Island consists of fish, crabs and macrozoobenthos (Holothuroidea, Echinoidea, Asteroidea, gastropods, bivalves). The diversity of seagrass and biota species is moderate, there is no dominant species and the distribution of each species is very even. The pattern of interaction in the use of seagrass resources has been patterned for generations. The forms of utilization activities carried out by the community include taking mollusks (snails, clams), echinodes (sea cucumbers, sea urchins), catching fish and crabs.

Composition and Condition of Mangrove Forest in Tarnana Island Subdistrict South Jailolo, North Maluku Province Adi Noman Susanto; Salim Abubakar; Mesrawaty Sabar; Sunarti Sunarti; Yuyun Abubakar
JURNAL AGRIKAN (Agribisnis Perikanan) Vol 14 No 1 (2021): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar

The research objectives were to know the composition of mangrove species, to determine the structure of the mangrove forest community (species diversity, species dominance, uniformity, species density, species cover) and to determine the condition of mangrove forests on Tarnana Island, Jailolo Selatan District. This research was conducted on Tarnana Island, Jailolo Selatan District, and West Halmahera Regency in January - February 2021. The sampling method was carried out using the spot check method. Sampling was carried out at the lowest tide by using 5 line transects and each line transect placed 5 plots. Data analysis included species diversity, species dominance, uniformity, species density and species cover. The composition of mangrove species on Tarnana Island was obtained as many as 8 species, namely Rhizophora apiculata, R. stylosa, Bruguirea gymnorrhiza, Ceriops decandra, Ceriops tagal, Sonneratia alba, Xylocarpus granatum and Avicennia alba. The structure of the mangrove community has moderate species diversity, no dominant species and moderate uniformity. The condition of the mangrove forest on Tarnana Island is in the damaged category with rare density.

Padina australis Seaweed Growth on The Coast of Toduku Island, Dehe Village, South Jailolo District, West Halmahera Regency Ariyati H. Fadel; Yuyun Abubakar; Fajria Dewi salim; Salim Abubakar; Adinoman Susanto; Sunarti Sunarti
JURNAL AGRIKAN (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

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.

Methods of Analysis of Macroalae Associations in Seagrass Ecosystems on Sibu Island, North Oba District, Tidore Islands City Ariyati H. Fadel; Riyadi Subur; Salim Abubakar; M.Said Alhadad; Rugaya Serosero; Rina Rina; Masykur Abdulkadir; Yuyun Abubakar; Darmiyati Muksin
Agrikan Jurnal Agribisnis Perikanan Vol 16 No 1 (2023): 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.v16i1.1593

The association between macroalgae and seagrasses has many very important ecological functions, namely as a nurturing and foraging area for various types of marine organizations and to maintain the preservation and balance of marine diversity. Various types of fish that have important economic value use the habitat for shelter and foraging. The methods used in this study are is the descriptive method, the descriptive method is knowing the existence of independent variables or survive either on one or more variables. The data obtained is displayed in the form of tables or figures. Type description based on the results of sampling in the field found 11 types of macroalgae, namely Turbinaria ornate, Turbinaria conoides, Sargassum cristaefolium, Sargassum polycystum, Sargassum muticum, Padina australis, Dictyota pinnatifida, Halimeda macroloba, Bornetella oligospora, Eucheuma denticulatum, and Chondrus crispus. Of the 11 types of macroalgae there are 8 species of macroalgae that live in sand substrate, 6 species live in muddy sand substrate, 1 species live in mud substrate, 4 species live in sandy mud substrate, 9 species live in coral substrate or coral faults, and 6 species live in rock substrate.

Co-Authors Abubakar, Salim Adi Noman Susanto Adi Noman Susanto Adinoman Susanto Aditiyawan Ahmad Ariyati H. Fadel Ariyati H. Fadel Aryati A. Fadel Darmawaty Darmawaty Darmiyati Muksin Fajria Dewi Salim Iwan Hi. Kader M.Said Alhadad Masykhur Abdul Kadir Masykhur Abdul Kadir Masykhur Abdul Kadir Masykur Abdulkadir Ma’sitasari Ma’sitasari Mesrawaty Sabar Reni Tyas Asrining Pertiwi Reni Tyas Asrining Pertiwi Rina Rina Rina Rina Rina Rina Rina Riyadi Subur, Riyadi Rugaya Serosero Sarnia, Sarnia Sukmawati Djalil Sunarti Sunarti Sunarti Sunarti Sunarti Sunarti Sunarti Supyan Supyan

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