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All Journal MEDIA KONSERVASI Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Bioedukasi: Jurnal Pendidikan Biologi Proceeding Biology Education Conference Jurnal Sylva Scienteae

Mochamad Arief Soendjoto

Unknown Affiliation

Author-ID : 2505417

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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Articles

PERSEBARAN DAN TIPE HABITAT BEKANTAN (Nasalis larvatus) DI KABUPATEN BARITO KUALA, KALIMANTAN SELATAN Mochamad Arief Soendjoto; Muhammad Akhidayat; Haitami .; Indra Kusumajaya
Media Konservasi Vol 7 No 2 (2001): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Although proboscis monkey (Nasalis larvatus) is one of protected animals and is stated as the identity fauna of South Kalimantan Province, its distribution in this province is poorly documented. The main objectives of the preliminary reserach were to understand distribution and habitat type of proboscis monkey inhabiting Barito Kuala District. The results show that: 1) population of proboscis monkeys is a minimum 0f 289 individuals and 22,14% of this population inhabits the protected areas, 2) habitat types are not only mangrove forest and riparian forest, there are factors affecting positively and negatively on conservation of probosics monkey. Some negative factors are conversion of galam forest to be rice yeld, negative attitude of people on proboscis monkey sustainable, lack of people knowledge on this animals status and opinion that this animal is a pest.

PERSEBARAN DAN STATUS HABITAT BEKANTAN (Nasalis larvatus) DI KABUPATEN TABALONG, KALIMANTAN SELATAN Mochamad Arief Soendjoto; Hadi Sukadi Alikodra; Mohammad Bismark; Heru Setijanto
Media Konservasi Vol 8 No 2 (2003): Media Konservasi Vol.8, No 2 Juni 2003
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Probosics monkeys are distributed among 18 locations in the Tabalong Districs, South Kalimantan. The were found in rubber forset and other forest habitats (namely swamp, riparian, karst) adjacent to or surrounded by rubber forests. These habitats are categorized as culvated areas. A case where cultivated area is inhabited by a protected animal is a dilemma for conservation. Keywords: proboscis monkey, distribution, habitat status, adaptation

KOMUNIKASI VOKAL PADA BEKANTAN (Nasalis larvatus) Mochamad Arief Soendjoto; Hadi Sukadi Alikodra; Mohammad Bismark; Heru Setijanto
Media Konservasi Vol 8 No 2 (2003): Media Konservasi Vol.8, No 2 Juni 2003
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Vocal communication on the probosics monkey (Nasalis larvatus) was poorly documented. The objectives of the research were to phoentically identify vocalizations of this monkey, measure their durations and interpret their functions. Six vocalizations, along with eleven behaviors were found. Duration of four vocalizations ranged 0,36-1,30 sec and of two vocalizations was supposed to be less than 0,25 second. Vocalizations function to reflect the state of angry, happy or disappointed showed the domination 0,36-1,30 are an individual to others and warned the group. Keywords: comunications, vocalizations, the probocis monkey

Aktivitas Harian Bekantan (Nasalis larvatus Wurmb) di Hutan Karet Kabupaten Tabalong, Kalimantan Selatan Mochamad Arief Soendjoto; Hadi Sukadi Alikodra; Muhammad Bismark; Heru Setijanto
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 11, No 2 (2006): June 2006
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v11i2.2627

The daily activities of the proboscis monkey (Nasalis larvatus Wurmb) living inrubber forests are poorly understood. The objectives of the research were to studyits daily movement pattern and to determine the time proportion of daily behaviors.The movement of the monkeys was followed by researchers on foot. The behaviorswere observed by scan technique in 15 second intervals for 30 minutes. In rubberforests, lowlands (baruh) were places where the monkey began and ended dailymovements and also conducted most activities. Most inter-water movements of themonkey (about 70%) were conducted twice a day. Statistically, movement distanceand rainfall were negatively and significantly correlated (ґs = -0.58; p < 0.05; n = 14).The monkey spent more time for feeding in the morning and afternoon, and restingat midday. Most behaviors of feeding, resting, playing, and grooming (84.01%) wereconducted at a tree height of less than 15 m. The monkeys moved farther during thedry season to get water and did activities in accordance with height strata to getvarious foods, avoided disturbances, and got comfortable and safe places.

KERAGAMAN FAUNA DI AREAL PT ARUTMIN INDONESIA – NORTH PULAU LAUT COAL TERMINAL, KABUPATEN KOTABARU, KALIMANTAN SELATAN Mochamad Arief Soendjoto; Maulana Khalid Riefani; Sonny Sylva Siregar
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 10, No 3 (2013): Seminar Nasional X Pendidikan Biologi
Publisher : Universitas Sebelas Maret

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

PT Arutmin Indonesia - North Pulau Laut Coal Terminal (PT AI-NPLCT) adalah pelabuhan bongkar muat batubara di bawah manajemen PT Arutmin Indonesia. Fauna lingkungan darat belum pernah dipantau, karena fokus utamanya biota perairan (laut). Tujuan penelitian adalah mendata spesies aves, mamalia, dan reptilia (diurnal), amfibi (nokturnal) dan statusnya serta menganalisis kehadiran spesies di tipe habitat dan penggunaan habitat oleh spesies. Dengan metode titik kelimpahan dan penjelajahan, fauna diamati langsung secara visual, diidentifikasi berdasarkan pada suara, atau ditangkap-lepas. Parameternya adalah tipe habitat, waktu (jam, menit) kehadiran, nama spesies, dan jumlah individu. Foto digunakan untuk mengidentifikasi spesies yang sukar diidentifikasi. Data ditabulasi dan dianalisis, sehingga diperoleh frekuensi relatif kehadiran spesies di satu tipe habitat dan frekuensi relatif penggunaan tipe habitat oleh satu spesies. Status kelindungan, keterancaman, dan keperdaganganannya pun ditentukan. Ditemukan 62 spesies fauna, tetapi 1 di antaranya belum teridentifikasi. Terdapat 2 spesies endemik Kalimantan. Frekuensi relatif kehadiran spesies di satu tipe habitat dan frekuensi relatif penggunaan habitat oleh satu spesies bervariasi. Lima belas spesies dilindungi menurut PP No. 7/1999. Satu spesies hampir punah, 4 hampir terancam, 48 sedikit diprihatinkan, dan 8 belum dinilai IUCN. Satu spesies masuk dalam Appendix I dan 5 Appendix II CITES. Bekantan adalah prioritas pelestarian. Kata kunci: fauna, frekuensi, habitat, keragaman, status

Kemampuan Berpikir Kritis Mahasiswa Pendidikan Biologi Melalui Penyelesaian Masalah Lingkungan Nuzulia Santi; Mochamad Arief Soendjoto; Atiek Winarti
Bioedukasi: Jurnal Pendidikan Biologi Vol 11, No 1 (2018): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Critical thinking ability is important to be possessed by every individual, especially in the era of globalization. The ability to think critically supports the individual to overcome the problems in life, among which environmental problems are. Individuals and environments cannot be separated, the relationship between them is reciprocal. Solutions to environmental problems can be realized through critical thinking. Each individual's critical thinking ability varies, depending on the frequency of frequent exercises to develop that ability. Such exercises include frequently asking questions, posing assumptions, identifying information, making inferences, identifying impacts, and so on. It is therefore important to identify the critical thinking skills of individuals in a forum. Description of the ability to think critically about environmental problems is expected to be the basis for the design of development of learning plan set related to the subject of Environmental Knowledge. The description of students' critical thinking ability is obtained through questions prepared according to Polya’s problem solving syntax. The set of questions contains elements of reasoning that are judged based on the intellectual standards of reasoning by Paul and Elder.

RIAP DIAMETER TUMBUHAN BERKAYU DI AREA REVEGETASI PERUSAHAAN TAMBANG BATUBARA DI PROVINSI KALIMANTAN SELATAN, INDONESIA Afiena Puspadini; Mochamad Arief Soendjoto; Khairun Nisa; Yudha Pahing Perdana
Jurnal Sylva Scienteae Vol 4, No 6 (2021): Jurnal Sylva Scienteae Volume 4 No 6 Edisi Desember 2021
Publisher : Universitas Lambung Mangkurat

The presence and growth of vegetation in ex-mining revegetation areas must be evaluated periodically to achieve the real revegetation objectives. The aim of this study was to analyze the diameter increment of woody plants, especially those that are intentionally planted in revegetation areas. The four sample locations were in the PT Adaro Indonesia’s revegetation areas of 2014, 2015, 2016 and 2017. In each location 10 (20 m x 20 m) plots were continuously laid out and in each plot there were 4 (10 m x 10 m) plots. The (20 m x 20 m) plots were used to record woody plant species and measure the circumference of the stem (at breast height) which was ≥62.8 cm. One of the 4 (10 m x 10 m) plots was used to record woody plants and measure the circumference of the stem which was 31.4 ‒ <62.8 cm. Data were tabulated and analyzed to obtain mean annual increment and current annual increment. From the two measurement periods (2018 and 2019), four woody plant species were found and met the requirements for calculating diameter increments. Balik angin (Mallotus paniculatus) has not been used for drawing conclusions because there is only 1 individual in all locations. The diameter increments of mangium (Acacia mangium) and turi (Sesbania grandiflora) tended to decrease to an undetermined age, while sengon (Paraserinthes falcataria) increased. The trend direction for current annual increment is not yet known because it is a single value. The values for mangium and turi are smaller than the diameter increments, while for sengon are higherKehadiran serta pertumbuhan tumbuhan di area revegetasi bekas penambangan harus dievaluasi secara berkala untuk mewujudkan tujuan revegetasi. Tujuan penelitian ini adalah menganalisis riap diameter tumbuhan berkayu, terutama yang memang sengaja ditanam di area revegetasi. Empat lokasi sampel yang ditetapkan adalah area revegetasi bekas tambang batubara PT Adaro Indonesia tahun 2014, 2015, 2016, dan 2017. Di setiap lokasi dibuat 10 plot (20 m x 20 m) yang diletakkan berkesinambungan dan di setiap plot itu terdapat 4 plot (10 m x 10 m). Plot (20 m x 20 m) digunakan untuk mendata spesies tumbuhan berkayu dan mengukur keliling batangnya (setinggi dada) yang berukuran ≥62,8 cm. Salah satu dari 4 plot (10 m x 10 m) digunakan untuk mendata spesies tumbuhan berkayu dan mengukur keliling batang yang berukuran 31,4 ‒ <62,8 cm. Data ditabulasi dan dianalisis untuk mendapat riap diameter (mean annual increment) dan riap diameter tahunan berjalan (current annual increment). Dari dua periode pengukuran (tahun 2018 dan 2019), empat spesies tumbuhan berkayu ditemukan dan memenuhi syarat penghitungan riap diameter. Balik angin (Mallotus paniculatus) belum digunakan untuk pengambilan simpulan karena hanya ada 1 individu di semua lokasi. Riap diameter mangium (Acacia mangium) dan turi (Sesbania grandiflora) cenderung menurun sampai umur yang belum bisa ditentukan, sedangkan sengon (Paraserinthes falcataria) menaik. Arah kecenderungan riap diameter tahunan berjalan belum diketahui karena berupa nilai tunggal. Besaran nilai pada mangium dan turi lebih kecil daripada nilai riap diameternya, sedangkan untuk sengon lebih besar

Co-Authors Afiena Puspadini Atiek Winarti Hadi Sukadi Alikodra Heru Setijanto Indra Kusumajaya Laksono Trisnantoro Maulana Khalid Riefani Mohammad Bismark Muhammad Akhidayat Muhammad Bismark Nuzulia Santi Sonny Sylva Siregar Yudha Pahing Perdana Yundari, Yundari

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