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INDONESIA
Jurnal Wasian
Published by Universitas Muhammadiyah Makassar
ISSN : 23559969     EISSN : 25025198     DOI : doi.org/10.62142
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Environmental Science Physics Other
The Wasian Journal dedicates itself to advancing scientific research that significantly contributes to the conservation of natural resources and the sustainable transformation of landscapes. Our goal is to support the long-term ecological balance and resilience of forests and land. We are committed to publishing cutting-edge research that is innovative and open to rigorous scholarly debate, maintaining the highest standards of quality.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 6 Documents
 1 
Search results for , issue "Vol. 6 No. 2 (2019): December" : 6 Documents clear
Viability of Penicillium Citrinum on Different Carrier Media as Organic Fertilizer Safinah , Safinah Surya Hakim; Yuwati, Tri Wira Yuwati; Dony , Dony Rachmandi; Purwanto , Purwanto B Santosa; Dewi , Dewi Alimah
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/p5xcv177

Abstract

The use of bio-fertilizer is increasing along with the awareness of eco-friendly life style. The use of bio-fertilizer give several advantages such as enhancing plant growth, provide plant nutritions, easily absorbed by plant and environmental friendly. Endophytic fungi can be used as biological fertilizers.In this study, endophytic fungi Penicillium citrinum isolate P3.10 were used as a main ingredient for biological fertilizers. This study aims to investigate: (a) the most effective carrier material for biological fertilizers made from endophytic fungi P. citrinum and (b) maximum shelf-life of biofertilizers. Three carrier materials were tested to find out the best carrier as biological fertilizer carriers. Factorial Completely Randomized Design with two factors used in this study with the first factor is the type of carrier material (rice bran, saw dust, and peat soil), and the second factor is storage time (14, 28, 42, 56, dan 70 days).The result of the study and consideration based on the standards of biological fertilizer regulation of the Minister of Agriculture Number 70 / Permentan / SR.140 / 19/2011) showed that of the three tested carriers (rice bran, sawdust, and peat), peat showed the best performance as biofertilizer carrier with the recommend maximum shelf-life is 28 days (5,62 x 105 cfu/gram) due to its C/N ratio value and its viability to maintain the number of viable fungi.
Habitat Characteristics and Population of Javan Langur (Trachypithecus Auratus E. Geoffroy Saint-Hilaire, 1812) In Leuweung Sancang Nature Reserve, Garut, West Java Abdul , Abdul Haris Mustari; Achmad , Achmad Fajar Pasaribu
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/cj221892

Abstract

This study aimed to determine habitat characteristics, food plants, population size, and distribution of Javan langur in Leuweung Sancang Nature Reserve. This study was conducted from February to April in Leuweung Sancang Nature Reserve. Composition and structure of vegetation were determined using vegetation analysis. Population and distribution of the javan langur were identified using concentration count method. A total of 110 plant species recorded in the javan langur’s habitat. Ketapang (Terminalia catappa) was the dominant species in the study area composing 41,71% of the IVI. The Javan langur feed on at least 17 plant species. The plant parts eaten by the Javan langur included leaves, buds, shoots, flowers and fruits. A total of 19 javan langur groups were encountered along the beach forest of the nature reserve. Number of individual at each of the group varied ranging from 7 to 17 individuals. The population size was 227 individuals and the population density was 0.15 individuals per hectare. The javan langur’s age structure of adult : young : juvenile was 43 %: 27 %: 30 % indicating that the population was dominated by adult individuals and the sex ratio of male:female was 1:3.
Perception and Adaptation of Coastal Community Toward Climate Change at Sarawet Village of North Minahasa Regency Isdomo , Isdomo Yuliantoro; Nurlita , Nurlita Indah Wahyuni
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/wr13cn30

Abstract

Climate change is difficult phenomenon to be understood by ordinary community. Whereas perception and knowledge of climate change will influence mitigation and adaptation, which can decrease risks of climate change impact. The research aims to find out community’s perception about climate change and adaptation efforts which have been done by communities of Sarawet Village at North Minahasa Regency. Perception and adaptation data were obtained through interview and focus group discussion. The result shows that 96.67 % of community has experienced the symptoms and impacts of climate change, which perceived as extreme season or the shift of rain and drought season. The most perceived climate change impacts are crop failure, less income from agriculture and drought. This perception indicates a lack of environmental and forestry information. The adaptation efforts that have been done by the community include change plant species that need lack water as well as fulfill needs of clean water from the central well and utilize springs from upstream. Based on SWOT analysis An appropriate strategy to encourage adaptation in Sarawet village is done through increasing the adaptive capacity of the community.
Improving of Degraded Soil Quality for Ficus variegata Nursery Media by Adding Organic Matters and NPK Fertilizer Danu, Danu Danu; Dede , Dede Jajat Sudrajat
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/qkz14537

Abstract

The availability of topsoil which is relatively fertile to use as seedling media is more and more limited so that the low nutrient degraded soil become alternative media for tree seedling nursery. The purpose of the research was to get the combination of degraded soil media mixture for nyawai (Ficus variegata) seedling media in nursery. The degraded soil collected in the heavy eroded soil in Rumpin Villages, Rumpin Sub District, Bogor. Completed random design with factorial was used to test the media mixture treatments and NPK fertilizer dosages on the growth of nyawai seedling. A pair of leaves seedlings was transplanted on 5 media treatments, i.e. top soil, degraded soil, degraded soil 70 % + compost 30 % (v:v), degraded soil 90 % + rice husk charcoal 10 % (v:v), and degraded soil 60 % + compost 30 % + rice husk charcoal 10 % (v/v). The dosage of NPK fertilizer was used as much: 0 g, 0.5 g polybag, and 1.0 g/polybag. The result showed that interaction of media and NPK fertilizer dosages was only affected on seedling biomass parameter. The interaction treatment of the mixture media of degraded soil 60 %, compost 30 % and rice husk charcoal 10 % could increase the growth of nyawai seedlings high by 30.60 % and fertilizer treatment of 1 g NPK could increase seedling biomass 6.21 g. The mixture media and fertilizing treatment by NPK 1 g can be alternative media on nyawai nursery.
Perception of Local Community of Pinogu Toward Forest and Its Utilization Diah, Diah Irawati Dwi Arini; Isdomo , Isdomo Yuliantoro
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/7qbgnp11

Abstract

This study was aimed to obtain the Pinogu local peoples’s perception of the forest for their lives and to identification of forest resources utilization. Pinogu is a Bogani Nani Wartabone National Park’s enclave. The research was conducted in 2017 at Pinogu Sub-district which included five villages there are Bangiyo, Pinogu Induk, Pinogu Permai, Tilongibila and Dataran Hijau. Data collected with survey method by interviewing 150 respondents from five villages. Data was analyzed using, Likert Scale, Kendall Tau Correlation test and descriptive qualitative. Overall, the results showed forest perception in Pinogu’s local peoples was in fairly good category with value 79.69 from 40 - 100 and influenced by position in village communities variable. The local peoples utilized the forest resources inculdes hard wood, rattan, medicinal plants, wild animals, forest fruits, forest mushrooms, honey. This forest resources obtained from the forests around Pinogu and inside area of Bogani Nani Wartabone National Park.
Diameter Increment of Remnant Stands in Logged-Over Forest in Papua Relawan, relawan kuswandi; Julius , Julius Dwi Nugroho
Jurnal Wasian Vol. 6 No. 2 (2019): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/pajzdm27

Abstract

Diameter increment is an important information used to set silvicultural prescription that plays a crucial role in sustainable forest management. Therefore, this research was aimed to analyze diameter increment of remnant stands in selectively logged forest in Papua. The dataset was acquired from permanent sample plots in logging concessions of PT Tunas Timber Lestari (TTL), PT Wapoga Mutiara Timber (WMT) dan PT Manokwari Mandiri Lestari (MML). The diameter measurements were conducted annually for 6 – 9 years on three 1 ha permanent plots. Diameter increment was calculated by measuring a gap between trees diameter in year t+1 and year t. The results showed that the average diameter increment of commercial species groups in those areas were 0.56 cm/yr, 0.59 cm/yrand 0.65 cm/yr, respectively. These increments were smaller than the increment assumption of Indonesian Selective Logging (TPTI) i.e. 1.00 cm/yr. The diameter increment distribution based on diameter classes showed different patterns among sites. The diameter increment distribution in PT MML and WMT increased with the increasing diameter, otherwise those in PT TTL tend to decrease with the increasing diameter class.

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