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All Journal Forest Science Jurnal Kreatif Tadulako Online Warta Rimba Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat ULIN: Jurnal Hutan Tropis Asthadarma: Jurnal Pengabdian Kepada Masyarakat
I Nengah Korja
Dosen Program Studi Kehutanan, Fakultas Kehutanan, Universitas Tadulako
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Social Sciences

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Penerapan Metode Eksperimen Dalam Meningkatkan Hasil Belajar Siswa Kelas IV pada Pembelajaran IPA Tentang Gaya di SD Inpres 1 Bantaya Aisyah, Aisyah; L, Najamuddin L; Korja, I Nengah
Jurnal Kreatif Online Vol 1, No 3 (2013): Jurnal Kreatif Online
Publisher : Jurnal Kreatif Online

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Abstract

Permasalahan dalam penelitian ini yaitu masih rendahnya hasil belajar siswa kelas IV pada mata pelajaran IPA khususnya materi tentang gaya. Penelitian ini bertujuan untuk meningkatkan hasil belajar IPA dengan menggunakan metode eksperimen pada siswa Kelas IV SD Inpres Bantaya. Jenis penelitian ini adalah penelitian tindakan  kelas yang dilaksanakan dalam 2 siklus. Adapun tahapan dalam penelitian ini meliputi tahap perencanaan, pelaksanaan tindakan, observasi dan refleksi. Data yang diperoleh dalam penelitian ini meliputi hasil belajar siswa, hasil observasi aktivitas guru dan siswa diambil dari lembar observasi kegiatan guru dan lembar observasi aktivitas siswa. Hasil penelitian menunjukkan bahwa pada tindakan siklus I yang tuntas secara individu berjumlah 11 orang dari 19 siswa sehingga diperoleh ketuntasan klasikal 57,89% dan daya serap klasikal sebesar 64,21%. Pada tindakan siklus II diperoleh ketuntasan klasikal 100% dan daya serap klasikal 88,42%, terjadi peningkatan ketuntasan belajar klasikal dari siklus I ke siklus II sebesar 42,11%. Hal ini berarti pembelajaran pada siklus II telah memenuhi indikator keberhasilan dengan daya serap klasikal minimal 70 dan ketuntasan belajar klasikal minimal 80%. Berdasarkan daya serap klasikal dan ketuntasan belajar klasikal pada kegiatan pembelajaran siklus II, maka dapat disimpulkan bahwa dengan menerapkan metode eksperimen dapat meningkatkan hasil belajar IPA pada siswa kelas IV di SD Inpres Bantaya.
KEANEKARAGAMAN JENIS TUMBUHAN OBAT DI KAWASAN HUTAN PENDIDIKAN UNIVERSITAS TADULAKO KECAMATAN BULANO LAMBUNU KABUPATEN PARIGI MOUTONG Delfans, Delfans; Sudhartono, Arief; Korja, I Nengah
Jurnal Warta Rimba Vol 7, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

Indonesia is estimated to have 100 to 150 families of plants, most of which are used as medicinal plants. The use of traditional medicine is one of the cultures of the people of Wanagading Village, Bulano Lambunu Subdistrict, Parigi Moutong District, but the study of medicinal plants in the region is still lacking. The purpose of this study is to know the diversity of medicinal plants. This research was conducted for 2 months, July to September 2016, in the Forest Education Area of Tadulako University Bulano Lambunu District, Parigi Moutong Regency. The research method is the path method with purposive placement of the initial plot based on the first time found medicinal plants. Made as many as 4 lanes, parallel to the lane one with the other lane, the number of 5 plots with the size of each 20 m X 20 m, the distance between plots in each lane is 25 m, distance of each lane with other lanes 60 m, area of observation 4 ha medicinal plants, based on one location of medicinal plant habitat. The results of the study found 31 types of medicinal plants from 21 families. The type of medicinal plants that dominate the tree level is the type of Ficus benjamina L with INP of 103.90%, at the level of the pole is the type Clerodendrum calamitosum L with INP 82.82%, at the stake level is Morinda citrifolia L with INP 80.01%, at the seedling and understorey level Sida rhombifolia with INP 14.94%. Diversity index value (H ') tree level is 1.47 (medium), diversity index (H') pole level is obtained value 1.72 (moderate), diversity index (H ') stake level is obtained value 1.70 (medium) , diversity index (H ') at seedling level was obtained 3.00 (medium).Keywords: diversity of medicinal plants.
SIFAT KIMIA TANAH PADA HUTAN MANGROVE DI DESA TOLAI BARAT KECEMATAN TORUE KABUPATEN PARIGI MOUTONG a, Asnindar; Korja, I Nengah; r, Rukmi
Jurnal Warta Rimba Vol 7, No 3 (2019)
Publisher : Universitas Tadulako

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Abstract

Mangrove forest vegetation in Indonesia is known for its high species diversity. Diverse mangrove vegetation can provide a good contribution to the soil including soil chemical properties such as soil pH, C-organic, nitrogen, phosphorus, potassium and cation exchange capacity. This research was conducted from January to March 2019, located in the West Tolai Village, Torue District, Parigi Moutong Regency. The purpose of this study was to determine the chemical nature of the soil in mangrove forests in Tolai Barat Village, Torue District, Parigi Moutong Regency. The method used is the survey / observation method and soil sampling is done intentionally (purposive sampling). Sampling was carried out in 3 different conditions, which were always inundated, inundated at moderate tides and inundated at high tides at depths of 0-30 and 30-60 cm, and at each point 3 samples were taken so that a total of 18 samples were composite into 6 the sample. Soil samples are then analyzed in the soil science laboratory. The results of this study indicate that the chemical properties of the soil in the mangrove forest of Tolai Barat Village are very diverse in the three different location conditions, which are always inundated, flooded during medium tides and submerged during high tides with depths of 0-30 and 30-60 respectively. cm has a acidic and neutral soil pH with a value of 4.74 -7.46H2O, C-organic from very low to high 0.45-4.75%, N-Total from moderate to low 0.21-0.05%, P-available is very low 9.11-7.94 ppm, K-Total with low to moderate values 15.89-23.18mg100gr-1, Cation Exchange Capacity (CEC) is classified as very low to low 4.16 -5.88 (cmol (+) kg-1).
KOMPOSISI VEGETASI HABITAT LEBAH MADU (Apis Dorsata) DI KAWASAN HUTAN PENDIDIKAN UNIVERSITAS TADULAKO KECAMATAN BOLANO LAMBUNU KABUPATEN PARIGI MOUTONG Sudartono, Arief; Korja, I Nengah; Yadi, I Made Ardileks
ForestSains Vol 14, No 2 (2017): Juni
Publisher : Universitas Tadulako

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Abstract

Habitation is very essential for the survival of organisms because organisms can grow, multiply, feed and interact in their natural habitations. However, habitation destruction will undoubtedly make the organism's survival threatened and extinct. The purpose of this research was to know the vegetation composition of honey bee habitation (Apis dorsata) in Forest Education Area of Tadulako University, Bolano Lambunu District, the Regency of Parigi Moutong. This research used path method by landing initial plot under purposive sampling where honey bee nest found. 4 (four) paths were then made in length of 200 m. Each path consisted of 5 plots with 20 x 20 m, the distance between the plots of each path was 20 m, and the distance between the paths is 60 m. There were eventually 20 plots of observation. Based on the results of the research on the Vegetation Composition of Honey Bee Habitation (Apis dorsata) in Education Forest Area of Tadulako University, Bolano Lambunu District, the Regency of Parigi Moutong, 31 species of plants were found from 24 families in accordance with the tree level, pole, stake, and seedlings. The highest INP value of each level was the tree one with the value of INP of = 29.57%, the pole with INP = 20.83%, the stake with INP of = 26.84%, and the level Seedlings and lower plants with INP of = 22.86%.
KONDISI HABITAT HUTAN MANGROVE DI DESA MEMBUKE KECAMATAN POSO PESISIR UTARA KABUPATEN POSO Artana, I Wayan Budi; Korja, I Nengah; Ramlah, Sitti
ForestSains Vol 14, No 1 (2016): Desember
Publisher : Universitas Tadulako

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Abstract

The purpose of this research was to determine the condition of mangrove forest habitat in Membuke village, Poso Pesisir Utara District, Poso regency.  The method of this research is descriptive. The location for sampling soil was determined by purposive sampling method. Based on field observations, it was found that there were four types of stands, namely Rhizophora apiculata, Sonneratia alba, Avicennia marina and Xylocarpus granatum. Soil samples were taken at each of stands and analyzed in Laboratory of agricultural faculty, Tadulako University. The results of the research in the field and on the analysis of eight parameters observed showed that soil pH ranged from 5.33 to 6.29, the dominant soil color is black. soil texture from the four observation points was dominated clayey loam to sandy clay, the salinity ranged 26,9 ppt to 31,6 ppt, water pH ranged from 5.93 to 6.52, Nitrogen (N-total) ranged 0.33% to 0.39%, Phosphorus (P-total) ranged 25.72 (mg / 100g)  to 53.76 (mg / 100g). The KTK value ranged 15,20 to 28.76 (cmol (+) kg-1). The depth of the mud in the mangrove forests in four different observation site were different, in which the depth of mud under Rhizophora stand was 45 cm, under Rhizophora was 30 cm, under avicenia marinna stand was 41 cm, and under Xylicarpur Granatum stands have very deep mud that was 143 cm.
FAKTOR PENYEBAB KERUSAKAN HUTAN MANGROVE DI DESA BURANGA KECAMATAN AMPIBABO KABUPATEN PARIGI MOUTONG Susilawati, Ni Gusti Kadek; Toknok, Bau; Korja, I Nengah
ForestSains Vol 15, No 2 (2018): Juni
Publisher : Universitas Tadulako

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Abstract

Buranga Village is one of the villages that has extensive mangrove forests, but has been damaged over time. Therefore, it is necessary to conduct research on the Causes of Mangrove Forest Damage in Buranga Village, Ampibabo District, Parigi Moutong Regency. This study aims to determine the factors that cause damage to mangrove forests. The study was conducted in March - May 2017. This study used the Snowball sampling method in which the sample determination technique was initially small in number, then enlarged. Like a snowball that rolled a long time to become big. Samples taken amounted to 20 respondents. Observation parameters are water pollution (pa), abrasion (a), environmental stress, main livelihood, location of business land, utilization of firewood and perception of mangrove forest. The results showed that the damage to mangrove forests that occurred was more dominant due to the socio-economic factors of the local community compared to physical environmental factors can be seen from the total score that was done. In the socioeconomic factor of the community the Total Scoring Score is 230 and the Total Scoring Score on the physical environment factor was 100.
SIFAT KIMIA TANAH DI BAWAH VEGETASI MANGROVE DI DESA LEBITI KECAMATAN TOGEAN KABUPATEN TOJO UNA-UNA Arsad, Wirsam M; Toknok, Bau; Korja, I Nengah
ForestSains Vol 15, No 1 (2017): Desember
Publisher : Universitas Tadulako

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Abstract

Similar to the soils in other ecosystems, mangrove soil has natural characteristics as benchmark to identify its potential and productivity.The aim of this study was to investigate the chemical properties of soil below mangrove vegetation in Lebiti Village, Togean District, Tojo Una-Una Regency, which was detemined as the study area. This study was conducted in November 2015 to January 2016. Samples were selected by purposive sampling method in which both of soil and water were obtained from each type of mangrove vegetation in the study area. Soil sampling was done twice on each type of mangrove vegetation and collected by using PVC pipe of 2.5 inches with a length of 60 cm, while water was taken and stored in mineral water bottle. The entire samples were analyzed at the Soil Science Laboratory, Faculty of Agriculture, Universitas Tadulako. Based on the field study, there were three types of mangrove vegetation, namely Sonneratia caseolaris, Bruguiera gymnorrhiza, and Rhizophora apiculata. The analysis on chemical properties demonstrated the pH was acidic to acidic (5.18 to 6.37), Nitrogen (total N) was moderate to very high (0.38% to 0.89%), phosphorus (available-P) was very low to high (1.78 to 16.69 ppm), potassium (available-K) was low to high (0.12 to 0.82 (cmol(+)kg-1)), Carbon (organic-C) was very high (2.08 to 9.30%), cation exchange capacity (CEC) was very (23.76 to 47.68 (cmol(+)kg-1)), and the levels of salinity was high (3.2 to 3.3 ppt).
Keanekaragaman Jenis Tumbuhan Obat Di Wisata Alam Desa Kapopo Kabupaten Sigi Biromaru Provinsi Sulawesi Tengah Korja, I Nengah; Lestari, Nur Indah
ForestSains Vol 17, No 1 (2019): Desember 2019
Publisher : Universitas Tadulako

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Abstract

A forest park is a nature conservation area for the purpose of collection of plants and / or non-originals, which are used for research, science, education supporting cultivation, culture, tourism and recreation. This research was conducted for 2 months, from July to September 2019 in the Kapopo forest Park, the great forest area, Ngatabaru, Sigi Biromaru District, Sigi Regency, Central Sulawsi Province. The study was conducted using a survey method by making a path by intentional sampling of the starting point based on the type of medicinal plant found. The results showed 17 species of medicinal plants found from 12 families. Diversity of medicinal plants at tree growth rates of 0.79. The pole level is 1.22. The stake rate is 0.21. At the level of seedlings and undergrowth obtained at 0,25. So the diversity of medicinal plants according to growth rates are generally classified as low to moderate.
KONDISI LINGKUNGAN FISIK HABITAT ANGGREK TERESTRIAL DI KAWASAN TAMAN NASIONAL LORE LINDU DESA MATAUE KECAMATAN KULAWI KABUPATEN SIGI Tagentju, Rachel Jesika; Toknok, Bau; Korja, I Nengah
Jurnal Warta Rimba Vol 8, No 1 (2020)
Publisher : Universitas Tadulako

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Abstract

Environmental conditions affecting the growth of terrestrial orchids and other orchids, namely altitude, temperature, sunlight and soil (place to grow). These factors are indispensable in the cultivation of orchid plants. Nowadays many people who love orchids or related institutions want to nurture and cultivate and preserve the plant but there is still much needed information about the environmental condition of the orchid habitat terrestrial. This research aims to know the physical environment of terrestrial orchid habitat in Mataue Village of Kulawi Sub-district of Sigi, implemented in late May until July 2018 with the survey method. Research using survey methods. Data retrieval is performed purposive sampling by retrieving data and samples in the field where terrestrial orchids are found. The data collected includes temperature, humidity, light intensity, altitude and soil pH. The results showed that of two types of terrestrial orchids observed each of the three individuals namely the Orchids Spathoglottis vanvuurenii J.J.Sm and Orchids Calanthe triplicate (Willemet) Ames at an altitude of 724 – 991 mdpl. Daily average light intensity ranges between 44%-49.7%, daily average air temperature ranges between 24,95 ° C-24.5 °c, average daily humidity ranges between 78.4%-79.5%, and soil pH in both types of terrestrial orchids ranged between 6.0 – 6.3.
KEANEKARAGAMAN JENIS BURUNG DI HUTAN PRODUKSI DESA MALONAS KECAMATAN DAMPELAS KABUPATEN DONGGALA Ongky, Ongky; Korja, I Nengah; Sustri, Sustri
Jurnal Warta Rimba Vol 8, No 3 (2020)
Publisher : Universitas Tadulako

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Abstract

Indonesia ranks fourth in the world to the number of birds after Colombia, Peru, and Brazil.  The Sulawesi island species settler bird around 224 species land and fresh water bird, which is 41 species of them were endemic types and the most endemic bird found in the Sulawesi island. The Malona’s village forest production includes the work KPH Dampelas, the forest production was of hills and mountains  so that the environment has such a variety of plants that they provide food, make a nests, and shelter from any threat to this particular type of bird .The research aims to identify the diversity of birds in the forest production. The research was in forest production areas at the KPH Dampelas workplace, Malonas Village, Dampelas District, Donggala Regency on February-March 2019. observation locale in open and closed habitats, the method used was  point count. Data processing by analyzing the composition of birds, diversity of kinds, attendance rates of kinds, index arrangement  of kinds, kind of domination. The result was found 20 species of birds with 134 individuals, include 10 famili and 11 species built-in as endemic of birds. The value of the diversity index in forests of H '= 2.85 shows that the index of diversity of that type is moderate, the value of the index of E= 0.95 it shows the distribution of the relative uniform between species and there are 9 kinds of birds with an individual being so abundant that it becomes the dominant type of bird.Keywords: Birds, Forest Production, Biodiversity
Co-Authors a, Asnindar AAN SETIAWAN Abdul Rosyid Adam Malik Aisyah Aisyah Anak Agung Gede Sugianthara Annadira Anwarhadi, I Nyoman Ardyanto Peluru Arief Sudhartono Arsad, Wirsam M Artana, I Wayan Budi Azis, Ramli Bau Toknok Delfans, Delfans Elhayat Labiro Fandani, Hertin Setia Hamsi, Muh Suyuti Kasang, Ariawan M. L, Najamuddin L Moh Ramadan Muhasinin Musdar, Musliani Muslimin Naharuddin Naharuddin Najamuddin L Narka, Made Sintia Dewi Nur Indah Lestari Ongky, Ongky r, Rukmi Rasdawati Rasdawati Reski, Nurain Retno Wulandari Ridwan Rukmi Rukmi Sitti Ramlah Sri Ningsih Sri Ningsih Mallombasang Sudartono, Arief Susilawati, Ni Gusti Kadek Sustri Sustri Tagentju, Rachel Jesika Tangkoro, Iver Thomas Pirimoi Yadi, I Made Ardileks Yani, Rendy Ahmad Yusran Yusran Yusuf Yusuf