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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 156 Documents
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Aplikasi pupuk organik cair limbah kulit ari kedelai terhadap pertumbuhan dan produksi Pakcoy (Brassica rapa L.) Munarti, Munarti; Kurniasih, Surti; Prasaja, Dimas; Kurniawan, Ahmad
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.319

Abstract

ABSTRACT: Soybean husk is waste from the tempe making process which contains organic materials and nutrients so that it can be used as raw material for making organic fertilizer. The use of organic fertilizer on vegetable plants is one effort to meet the need for organic vegetables. This research aims to obtain information on the nutrient and heavy metal content of liquid organic fertilizer for soybean epidermis and the effect of this fertilizer on the growth and yield of pak choy. This research was carried out in December 2022-July 2023, in Citeureup, Bogor and the Laboratory of the Faculty of Agriculture, IPB University. The experimental design used was a Randomized Block Design with three replications. The liquid organic fertilizer treatments used consisted of control, 5%, 10%, 15% and 20%. The parameters observed were plant height, number of leaves, leaf area and plant wet weight. The results showed that liquid organic fertilizer from soybean epidermis contained C-organic (1.63%), C/N ratio (20.13), macro nutrients (N+P₂O₅ +K₂O) 0.42%, total and available Fe (26.61ppm and 25.56 ppm) and Zn (0.42ppm). The heavy metal content (Pb, Cd, Cr, As, Hg) meets the quality standards set by the Minister of Agriculture of the Republic of Indonesia No. 261 of 2019, so that it can be applied to plants. Liquid organic fertilizer with a concentration of 5% was the best supporting growth and production of Pak Choy compared to the control, 10%, 15% and 20%.
Analisis kondisi tegakan pada kawasan hutan perkotaan dan pengaruhnya ter-hadap iklim mikro Di Kota Manokwari Tri Apdian, Yulianto; H. S. Siburian, Rima; Murdjoko, Agustinus
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.322

Abstract

ABSTRACT: This research aims to analyze forest stand conditions that influence the microclimate in Manokwari urban forests and microclimate conditions that can provide comfort for the surrounding environment. The results of satellite imagery photos show that Manokwari city's land use is forest in the 5 year period, there has been a change in land use area, in 2017 the residential area was 1,512.34 ha to 1,714.58 Ha in 2022, there was an increase of 202.24 Ha. The temperature inside the forest area was recorded at 26.3°C, while outside the forest area it was recorded at 31.1°C. Manokwari has experienced extreme microclimate changes over the last 5 years, the temperature has increased to around 1.5°C, apart from that the humidity has also been recorded to have decreased significantly. Analysis of the comfort index shows that the forest temperature in the Amban region is lower than in other areas studied. Another important thing is that areas in the city that have stands of trees can immediately be designated as urban forests. Based on an analysis of oxygen consumption in various sectors and its population, Manokwari City requires the development of around 918.96 ha of urban forest. To maintain the continuity of the microclimate, it is necessary to immediately issue regulations by the Regional Government regarding the designation of existing areas as urban forests.
Keanekaragaman karakteristik morfologi beberapa aksesi ubi jalar yang dibudidayakan oleh masyarakat Suku Irarutu dan Suku Dani di Kabupaten Kaimana Yulianus Sinon, Johan; Mawikere, Nouke Lenda; Prabawardani, Saraswati; S. Sarungallo, Amelia; Wibawati, Zarima
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.323

Abstract

ABSTRACT : This research aims to identify the diversity of morphological characteristics of several sweet potato accessions cultivated by communities in the two tribes in the Kaimana Regency. The research was carried out in the Lower Arguni District in 5 villages (Coa, Afu Afu, Wetuf/Sawi, Kufuryai, Wermenu) inhabited by the Irarutu and Dani tribes (a local tribe from Wamena). The research used descriptive methods with survey, observation, and interview techniques. The research location was determined deliberately (purposive sampling) based on the local tribe population. The sweet potato in each village was also determined deliberately (purposive sampling) based on the number of accessions and different morphological characteristics. Observation of morphological characteristics included the morphology of stems or tendrils, leaves, and tubers. Data analysis was carried out using cluster analysis with pro- gram NTSYS-pc version 2.0. The morphological character similarity coefficient used is the simple matching coefficient. The research results showed that there was morphological diversity in 26 sweet potato accessions cultivated in five villages by the Irarutu and Dani tribes from Wamena. Diversity in morphological characteristics occurs in the characteristics of tendrils/stems, leaves, and tubers. Based on the results of the grouping analysis, the coefficient of similarity in morphological characteristics of the 26 sweet potato accessions was between 0.41 and 1, which means that the similarity in morphological characteristics was between 41% and 100%. The 26 sweet potato accessions were not grouped based on the village where they were grown but were grouped randomly. At the lowest similarity in morphological characteristics, namely 41%, 26 accessions were grouped into two groups, namely: group I consisted of 17 accessions, while group II consisted of 9 accessions. At the highest similarity, namely 100%, there are several accessions that group together, namely AfuAfu-6 and Wetuf-2; Coa-4, Afu Afu-7, Kufuryai-5; and Afu Afu-10, Wetuf-4, Kufuryai-1.
Peran serta siswa dan guru dalam pengelolaan lingkungan hidup: Studi kasus di SMA Negeri 1 Anggi Kabupaten Pegunungan Arfak Saiba, Seblon; Tanujaya, Benidiktus; Sabariah, Vera
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.326

Abstract

ABSTRACT: This study aims to determine the role of students and teachers in increasing environmental awareness and their role in reducing inefficient resources. This research is expected to encourage all students and teachers to participate actively in all school activities, with a particular focus on forming an environmentally friendly school. The study was conducted using a qualitative approach with a descriptive type of research that aims to describe a symptom/event that occurs. Data were collected through observation, interviews, and questionnaires employing a Likert scale with five answer options. The findings revealed that students and teachers at SMA Negeri 1 Anggi, Gunung Arfak Mountains Regency, West Papua Province play a pivotal role in environmental management within their educational institution.
Input lokasi sakral dan tempat penting masyarakat adat dalam tata ruang Provinsi Papua sebagai kawasan cagar budaya Watopa, Yoseph; Moeljono, Soetjipto; Wamafma, Bastian; Rahmawan, Fajar; Nathalis Kolop, Delizius; Korwa, Godlif
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.333

Abstract

ABSTRAK: The Indigenous population in Papua has employed a zoning system for land usage as a method of spatial planning. The zoning system categorises spaces into hunting and returning zones, permanent hunting zones, gardening zones, fishing zones, crocodile egg-laying zones, sacred zones, sago hamlet zones, customary protected zones, and residential zones. The geographical organisation of these indigenous communities was derived from the participatory mapping technique of traditional territories. The outcomes of the participatory mapping were categorised and analysed geospatially, using vector data analysis from thematic maps of natural resource utilisation through the amalgamation of features of the same type with varying lines and polygons. The selection of vector data employs the select by attribute approach, and the outcomes are included into the Papua Province Spatial Plan (RTRW) focussing on land cultural heritage regions. The area of customary lands identified by participatory mapping is 2,201,311 hectares. In the Papua Province RTRW 2023-2043, 8,778.50 hectares are classified as a cultural heritage land area
Optimasi komposisi briket ramah lingkungan dari limbah batubara sub-bituminus dan karbon rumput laut untuk mengurangi emisi Sarungallo, Rosalia Sira; Djonny, Maxie; Octovian Dominggus, Reinaldy; Bulo, Lyse; Manukrante, Secwin Sello
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.341

Abstract

ABSTRACT: This study investigates the development of environmentally friendly briquettes as a sustainable alternative fuel. Production involved utilizing sub-bituminous coal waste and carbon derived from the carbonization of seaweed. The primary objective of this research was to optimize the briquette composition to achieve optimal combustion performance, with a focus on reducing the emissions of harmful combustion byproducts, such as SOx (sulfur oxides), NOx (nitrogen oxides), COx (carbon oxides), and particulate matter. The results indicate that briquettes with a 1:1 ratio of coal to seaweed carbon, carbonized at 300°C (sample 3A1), demonstrate potential as an alternative fuel. The 3A1 briquettes exhibited a calorific value of 4422 cal/g, with SOx and NOx emissions that were 11.11% and 25.00% lower compared to pure coal briquettes. This reduction is attributed to the lower sulfur and nitrogen content in the seaweed, as well as the improved carbon structure stability resulting from the carbonization process at 300°C. The utilization of coal waste and seaweed in the form of briquettes represents a viable approach to mitigating environmental impacts and contributes to the development of clean and sustainable energy.
Performans hubungan antara faktor internal dan eksternal dengan kinerja penyuluh pertanian lapangan di Kabupaten Sorong Provinsi Papua Barat Daya Sagrim, Meky
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.445

Abstract

ABSTRACT: Civil servant extension workers are given full duties, responsibilities, authorities and rights by authorized officials in organizational units within the scope of agriculture, animal husbandry, fisheries and forestry to carry out extension activities. Field agricultural extension workers have the main tasks and functions that must be carried out to achieve good performance. This study aims to evaluate the performance of field agricultural extension workers and what factors affect the performance of field agricultural extension workers in Sorong Regency. This research was conducted through interviews using questionnaires where sampling was carried out by census of 73 respondents of civil servant field agricultural extension workers consisting of 56 agricultural extension respondents and 17 livestock extension workers. Data analysis applied by tabulation with competency test techniques and then using PLS analysis (Partial Least Square). The results showed that the performance of field agricultural extension workers in Sorong Regency as a whole was in the medium category. PLS test results shows that there is a significant influence relationship between the performance of agricultural extension workers with internal factors consisting of age and education while external factors consist of information technology accessibility, appreciation and coaching and supervision. It can be concluded that the performance of agricultural extension workers in Sorong Regency overall still shows performance achievements that have not been fully reached.
Hubungan lingkungan budaya dengan kesehatan reproduksi wanita orang asli papua di Kabupaten Sorong: studi kasus pada kampung keluarga berkualitas Christina; Warami, Hugo; Martanto, Eko Agus
Cassowary Vol 8 No 2 (2025): April
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i2.216

Abstract

Abstrack: Reproductive Health of indigenous Papuan women in KB Village in Sorong Regency is related to the Cultural environment. Objective: to analyze the relationship between the cultural environment and the reproductive health status of indigenous Papuan women. Research method: qualitative descriptive presented in the form of frequency distribution and to test the closeness of the relationship between variables is done through the Spearman test. The variables studied were the Cultural Environment and the Reproductive Health Degrees of Indigenous Papuan Women. This research is a case study in Kampung KB, Sorong Regency. Determination of population using purposive sampling method. Results: The cultural environment has a very strong relationship with the degree of female reproductive health because the significance value is at the 99% confidence level. Researchers did not link the reproductive health status of indigenous Papuan women with maternal mortality and infant mortality rates. Key words: relationship of cultural environment, women's reproductive health Abstrak Kesehatan Reproduksi wanita orang asli Papua pada Kampung KB di Kabupaten Sorong berhubungan dengan lingkungan Budaya. Tujuan: menganalisis hubungan lingkungan budaya dengan derajat kesehatan reproduksi wanita orang asli Papua. Metode penelitian: deskriptif kualitatif yang disajikan dalam bentuk distribusi frekuensi dan untuk menguji keeratan hubungan antar variabel dilakukan melalui uji Spearman. Variabel yang diteliti yaitu Lingkungan Budaya serta Derajat Kesehatan Reproduksi Wanita Orang Asli Papua. Penelitian ini merupakan studi kasus di Kampung KB Kabupaten Sorong. Penentuan Populasi menggunakan metode Purposive Sampling. Hasil: Lingkungan Budaya memiliki hubungan sangat kaut terhadap Derajat Kesehatan Reproduksi Wanita karena nilai signifikasi berada pada tingkat kepercayaan 99%. Peneliti tidak menghubungkan derajat kesehatan reproduksi wanita orang asli Papua dengan Angka Kematian Ibu melahirkan dan Angka Kematian Bayi. Kata kunci: hubungan lingkungan budaya, kesehatan reproduksi wanita
Pertumbuhan dan daya hasil beberapa genotipe jagung merah Unipa di Distrik Sentani Kabupaten Jayapura Wara, Veronica; Mawikere, Nouke Lenda; Purnomo, D. Wasgito; Prabawardani, Saraswati; Ilona Noya, Alce; Heskiel Wospakrik, Andrean
Cassowary Vol 8 No 2 (2025): April
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i2.224

Abstract

ABSTRACT: This study aims to determine the growth and yield of several genotypes of Unipa red corn. The research was conducted in the Sentani District, Jayapura Regency, from October 2021 to February 2022. The experiment was laid out in a Randomized Block Design (RBD) with a single treatment factor, consisting of 9 Unipa red corn genotypes, 1 local Jayapura genotype, and 1 national genotype. The observed variables included plant height, stem diameter, number of stem segments, length of stem segments, harvest age, cob length without husks, cob weight without husks, cob diameter without husks, weight of 100 seeds, seed weight per plot, seed weight per hectare, and seeds/cobs color. The results showed that: 1) The growth components of 11 corn genotypes vary greatly, and genotype treatment significantly affects the characteristics of plant height 7 MST, stem diameter 7 MST, and stem internode length; 2) The Unipa AMP-6 genotype had the highest productivity of 6.57 tons/ha; 3) The average harvest age of Unipa AMP corn was 87-88 days after planting; and 4) The genotype with the largest percentage of homogeneous seed color was AMP Unipa-8 (90.44%).
Pengaruh susunan media filter dalam kolom filtrasi terhadap penurunan kadar besi (Fe), mangan (Mn), dan kekeruhan air sumur di Kabupaten Manokwari Mangallo, Bertha; Ambraw, Samuel; Dyah N. Lestari, Agnes; Mangallo, David; Budi Santoso, Bimo
Cassowary Vol 8 No 2 (2025): April
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i2.289

Abstract

ABSTRACT: The quality of groundwater is significantly influenced by the mineral composition of the surrounding rocks and soil in the aquifer. High concentrations of minerals, particularly iron (Fe) and manganese (Mn), can cause discoloration typically a yellow-brown hue and an unpleasant taste in the water. This study aims to evaluate the effect of different filter media arrangements in a filtration column on the reduction of Fe, Mn, and turbidity levels in well water. The natural filter media used include sand, gravel, palm fiber, and activated carbon, arranged within a filtration column model. Water samples were taken from dug wells in Sowi 2 Village and a drilled well in Susweni, Manokwari Regency. Initial characterization of the water samples included assessments of odor, color, turbidity, and Fe and Mn concentrations. Results indicate that during the rainy season, well water from Sowi 2 meets clean water quality standards based on pH, turbidity, and Fe and Mn content. However, the drilled well in Susweni exceeds acceptable limits in terms of color and pH. Filtration using the designed column and selected natural media effectively reduced Fe, Mn, and turbidity. Turbidity reduction reached 100% in both column A and B. Fe concentration was reduced by 78.53% in column A and 73.55% in column B. Mn concentration was reduced by 76% in column A and 65.45% in column B.

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