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Barahima Abbas
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Cassowary
Published by Universitas Papua
ISSN : 26148900     EISSN : 26226545     DOI : 10.30862
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Cassowary is a Scientific Journal of Management of Natural Resources and Environment, aims to disseminate research findings on environmental and natural resource management. The writings can be published in this journal can be shaped dissertations, theses, research reports, scientific papers and book reviews. Published every 2 (two) times a year, every April, and Augustus.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 9 Documents
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Search results for , issue "Vol 9 No 1 (2026): Januari" : 9 Documents clear
Analisis silang faktor determinan pengelolaan budidaya perikanan berbasis masyarakat di Teluk Bintuni, Papua Barat: peran, kapasitas, dan optimasi masyarakat N. Silaratubun, Ismi; Bawole, Roni; Holle, Yolanda; Boli, Paulus; Alfarani Bawole, Christover
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.473

Abstract

ABSTRACT : This study aims to examine expert perceptions regarding the sustainability of aquaculture in Bintuni Bay through a cross-analysis of several key aspects: community participation, awareness of the importance of aquaculture, community involvement in decision-making, capacity building, engagement in monitoring and evaluation, optimization of production and resources, and the distribution of economic benefits. The results indicate a predominance of positive perceptions but also highlight significant challenges related to the quality of participation, equitable distribution of economic benefits, and the effectiveness of monitoring mechanisms. Recommendations are directed toward strengthening institutional capacity, promoting technological innovation, and developing inclusive participatory mechanisms to enhance both social and ecological sustainability.
Etnozoologi dan karakteristik walabi (Dorcopsis muelleri) satwa endemik New Guinea di Kabupaten Sorong Selatan Dwiranti, Febriza; Rumalean, Fitriani; Krey, Keliopas
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.486

Abstract

Dorcopsis muelleri is a marsupial that is endemic to New Guinea. This research is designed to describe local wisdom on ethnozoology and characteristic Dorcopsis muelleri, wallaby in South Sorong district. This is descriptive research, and data were collected using a field survey with semi-structured interviews based on questionnaires to mammal hunters. Research variables are the identity of respondents, knowledge of D. muelleri, morphological characteristics, hunting activity and functions or daily use of Wallaby by the local communities. The results indicate that majority local community’s hunters in South Sorong districts are originally from local people (92,3%) and Timor ethnics (7,7%), ages from 30-40 years (53,8%), and 84,6% hunters finished higher school education level, which has important roles to preservation and inheritance local wisdoms for ethnozoology, but the majority of the hunters did not know endemic status of D. muelleri to New Guinea. Wallaby hunting by local people in South Sorong usually uses various traditional methods, such as dog help, snares or traps made from local materials, and air rifles. Wallaby meat is served and consumed after being burned on fire, and local recipes and ingredients are used, which reflects the local wisdom in maintaining their surrounding ecosystem. This hunting activity is conducted to earn money by selling the hunting meat and to fulfill animal protein and needs from local resources. In Indonesian, D. muelleri is called Wallaby biasa hutan or Dorcopsis coklat because it has brown feathers, rough fur, and a tail that is 1/5 of the whole tail.
Pigmen aktinomiset: potensi dan pemanfaatannya di berbagai bidang Purwaningtyas, Widya Esti; Sholekha, Siti; Cahlia, Uci
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.510

Abstract

Synthetic pigments are increasingly scrutinized due to concerns over toxicity, bioaccumulation, and environmental pollution, which has intensified global interest in natural pigments as safer and more environmentally responsible alternatives. Among microbial producers, actinomycetes stand out as a highly promising source because they are capable of synthesizing a wide spectrum of pigments, including melanin, prodigiosin, carotenoids, actinorhodin, and other chromogenic metabolites that function not only as coloring agents but also exhibit valuable biological activities such as antimicrobial, antioxidant, photoprotective, and anticancer effects. These multifunctional properties expand their relevance across numerous fields, including food, cosmetics, textiles, pharmaceuticals, agriculture, and biotechnology. Despite this broad potential, large-scale utilization of actinomycete-derived pigments remains constrained by challenges such as low or inconsistent yields, variability in pigment quality, relatively high production costs, and the need for complex downstream purification. Advances in fermentation optimization, the development of cost-effective substrates, and the application of metabolic and genetic engineering are helping to address these limitations and improve production feasibility. In this context, the present review aims to provide an overview of pigment types produced by actinomycetes, highlight their functional and industrial applications, and discuss the key obstacles and future prospects for their development as competitive natural colorants.
Potensi isolat bakteri dari tailing pertambangan emas asal Kampung Warmanen Distrik Sausapor Kabupaten Tambrauw sebagai agen bioleaching tembaga (Cu) Arvilein Maahury, Sevian; Massora, Maria; Mogea, Rina; Abubakar, Hermawati
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.513

Abstract

Gold mining in Village Warmanen, Sausapor District, Tambrauw Regency, has led to environmental pollution by heavy metals, one of which is copper (Cu), which has the potential to damage soil ecosystems and inhibit agricultural productivity. This research aims to isolate indigenous bacteria from former gold mining soil in Warmanen, test their ability to reduce Cu concentration through bioleaching technology, and identify the most promising bacterial isolates. The research method included soil sampling from the contaminated location, isolation and purification of bacteria. The bioleaching capability test was conducted by incubating eight bacterial isolates with copper-containing soil samples for 21 days on a laboratory scale. The decrease in Cu concentration in pellet fractions was analyzed using Atomic Absorption Spectrophotometry (AAS). The results showed that the bioleaching process using indigenous bacteria was effective in reducing Cu concentration, especially in the solid (pellet) fraction of the soil. The accumulation of 3 bacterial isolates showed the highest potential on the 7th day, namely PW 1, PW 3, and PW 8, the isolate with the highest Cu accumulation was PW 1 with an accumulation of 0.30%
Karakteristik fisikokimia dan organoleptik teh kombucha sarang semut (Myr-mecodia sp.) pada variasi konsentrasi gula dan lama fermentasi Br Barus, Peronika; Sarungallo, Zita; Meilan Lisangan, Meike
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.516

Abstract

ABSTRACT: Sarang semut (Myrmecodia sp.) has potential to be developed as a raw material for functional beverages through fermentation processes; however, the effects of sugar formulation and fermentation time on its product characteristics have not been extensively studied. This study aimed to analyze the effects of sugar concentration and fermentation time on the physicochemical and organoleptic characteristics of sarang semut kombucha tea as a basis for the development of functional beverage products. The research was conducted using an experimental method with a factorial Completely Randomized Design (CRD), consisting of two factors: sugar concentration (20, 25, and 30%) and fermentation time (0, 4, 6, 8, 10, 12, and 14 days). The results showed that sugar concentration and fermentation time significantly affected the physicochemical characteristics of sarang semut kombucha tea. The pH value decreased during fermentation, from 4.15-4.23 on day 0 to 2.64-2.76 on day 14. Total soluble solids (TSS) increased with increasing sugar concentration and fermentation time, ranging from 14.5-17.0 °Brix at 20% sugar concentration, 18.0-19.9 °Brix at 25%, and 21.7-23.8 °Brix at 30%. Total acidity also increased with fermentation time, from 7.71-8.10% on day 4 to 15.63-17.37% on day 14. Meanwhile, organoleptic test results indicated that sugar concentration and fermentation time did not significantly affect color, aroma, taste, or the intensity of aroma and taste, with ratings ranging from neutral to slightly liked. The resulting sarang semut kombucha tea exhibited a brownish-yellow color, a moderately strong characteristic ant nest aroma, and a moderately sour taste intensity.
Keragaman varietas lokal dan produksi pati sagu di Distrik Aranday, Kabupaten Teluk Bintuni Baru, Yanuarius; Dimara, Petrus; Heatubun, Charlie D.
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.519

Abstract

The present study is designed to determine the diversity of sago (Metroxylon sagu Rottb.) the starch production potential of each variety in Aranday District, Teluk Bintuni Regency West Papua. This article adopts an exploratory–descriptive approach by incorporating morphological characterisation, local indigenous knowledge of Sebyar community and quantification starch yield. Three well-known local sago varieties were purposively taken, Bitanonggi, Ponggri and Kikitor as a sampling object with three replications for each variety. The findings concluded that a total of sago forest area in Aranday District amounted to 4,877.08 ha covering four villages and the highest domination by Aranday Village (53.84%). Based on morphological characteristics, the Bitanonggi variety had the largest stem diameter (44.0–52.7 cm) and the tallest height (10.4–18.0 m), followed by Ponggri (45.4–48.8 cm; 9.0–12.3 m) and Kikitor (42.0–49.5 cm; 8.5–11.8 m). Bitanonggi also produced the highest starch yield, with 296 kg of wet starch and 247.2 kg of dry starch per tree, followed by Ponggri (287 kg wet; 220.9 kg dry) and Kikitor (198 kg wet; 158.6 kg dry). Stem diameter and volume were revealed to be principal morphological traits controlling starch productivity. Taken together, the juvenile age structure of trees actively growing in Aranday sago groves suggest that considerable scope exists for sustainable food resource development. The results can be used as scientific basis to sustain the sago diversity and promote conservation and utilization of local sago varieties by ecological potential as well as indigenous knowledge.
Identifikasi jenis-jenis pisang (Musa sp) di Distrik Kepulauan Aruri Kabupaten Supiori Provinsi Papua Ningsi, Ratna; Rumbekwan, Yusthinus; Widodo, Imam; Lenda Mawikere, Nouke; Purbokurniawan; Yanti Andriyani, Liz
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.522

Abstract

This study aims to identify the types of bananas found on Auri Island, Supiori Regency. This research was conducted in Mburwandi, Manggonswan, Insumbrei, Sawendi, Aruri, Imbirsbari, and Ineki villages. The data collected consisted of qualitative and quantitave banana plant characters observed directly in the field. The similarity among banana types was analyzed using cluster analysis and the results were presented in the form of dendrograms and descriptive tables. The findings indicate that there are 11 types of bananas distributed across the seven villages in the Auri Island District. Cluster analysis revealed seven similarity groups. Cluster 1 consisted of Pisang Nona, while Cluster 2 comprised Pisang Mas and Pisang Raja, which formed a closely related group based on shared characteristics, particularly the presence of speckles on the leaf petiole, leaf color, the color of the upper leaf surface, the color of the lower leaf surface, and fruit shape. Cluster 3 included Pisang Insarek, whereas Cluster 4 consisted of Pisang Kidang and Pisang Seribu, which exhibited similarities in leaf posture, waxy layer, lower leaf surface color, and fruit shape. Cluster 5 comprised Pisang Ambon, Cluster 6 included Pisang Kepok, characterized by a waxy surface and tapering fruit shape, and Cluster 7 consisted of Pisang Jarum. This variation among clusters indicates the substantial potential of banana genetic resources, which is essential for conservation efforts and banana breeding programs.
Strategi Pemasaran Pangan Pokok Potensial (ubi-ubian) pada masyarakat Suku Arfak di Kampung Warmare. Christin Haurissa, Julin; Sadiyah, Siti Halimatus; Wibowo, Kunto
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.524

Abstract

ABSTRACT : This study aims to identify the factors that constitute strengths, weaknesses, opportunities, and threats in the marketing of tuber crops, as well as to determine effective strategies for marketing tuber commodities produced by the Arfak Tribe in Warmare Village. The main problems faced include farmers’ low understanding of marketing, limited market access, and price competition. This study employs a descriptive approach using a case study method with SWOT analysis. The results indicate that the strengths lie in more than 10 years of marketing experience, while the weaknesses are reflected in low production volumes. Opportunities are identified in the relatively high market prices of tubers, ranging from IDR 21,000 to IDR 30,000 per kilogram, whereas threats arise from intense competition from producers who cultivate three to four types of tubers. The study also found that chip-processing industries purchase raw materials from Nenei Village, South Manokwari, due to the insufficient supply of tuber products in Manokwari Regency. The findings place this study in Quadrant I, which supports an aggressive strategy and emphasizes the SO (Strengths–Opportunities) strategy, namely: (a) providing training in tuber cultivation, technological support for production facilities; and (b) establishing farmer group–based cooperatives to strengthen farmers’ price bargaining power and expand marketing distribution networks.
Perbedaan karakter vegetatif beberapa galur harapan jagung AMP-UNIPA di Kampung Webi, Distrik Rasiei, Kabupaten Teluk Wondama Ika Yulianti, Tyfenberlis; Mawikere, Nouke Lenda; Abbas, Barahima; Wibawati, Zarima; Dare, Darius
Cassowary Vol 9 No 1 (2026): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v9.i1.525

Abstract

Corn (Zea mays L.) is a strategic food commodity that supports food diversification, particularly in eastern Indonesia. The development of red corn is significant due to its potential as a functional food. However, local corn productivity is generally low, requiring improvement through breeding. This study aims to compare the vegetative characteristics of several genotypes of the AMP-UNIPA promising line cultivated in Webi Village, Rasiei District, Teluk Wondama Regency. The study was designed using a Randomized Block Design (RBD) with 13 corn genotypes, consisting of AMP-UNIPA 1–9 and 4 comparison genotypes (Local Red Anggi, Waxy-corn, Local Wondama, and National Variety). The parameters observed included plant height, number of leaves, leaf length, leaf width, leaf color, stem diameter, length of the 3rd stem node, length of the 4th stem node, number of stem nodes, and stem color. Data were analyzed using ANOVA and HSD at a 95% confidence level. The results showed significant to highly significant differences between genotypes in most vegetative traits, particularly plant height, leaf development, stem diameter, and the length of certain stem segments. Local Red Anggi showed the strongest vegetative performance, particularly in plant height and leaf length, while AMP-UNIPA 5 tended to excel in leaf number and AMP-UNIPA 3 in stem diameter. These results indicate clear vegetative diversity, suggesting that several AMP-UNIPA lines have adaptive potential and are worthy of consideration for further selection.

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