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Ibnu Maryanto
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Journal : BERITA BIOLOGI

 1 
PERGERAKAN LUTUNG JAWA Trachypithecus auratus (E. Geoffroy 1812) PADA FRAGMEN HABITAT TERISOLASI DI TAMAN WISATA ALAM GUNUNG PANCAR (TWAGP) BOGOR [The Movement of Javan Langur Trachypithecus auratus (E. Geoffroy 1812) in Isolated Habitat Fragment in TWAGP Bogor] Sulistyadi, Eko; Kartono, Agus Priyono; Maryanto, Ibnu
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (874.215 KB) | DOI: 10.14203/beritabiologi.v12i3.647

Abstract

Javan langur is protected spesies of primates that highly threatened. Habitat degradation as a major threat causes javan langur Trachypithecus auratus (E. Geoffroy 1812) populations living in isolated habitat fragments. The research was carried out to determine the daily movement of javan langur in TWAGP as form of adaptation in isolated habitat fragments. The study was conducted in May-June 2012 by using focal animal sampling method. Vegetation analysis was performed with a point centered quarter method. The results showed that there were three major land cover types used by the Javan langur, i.e. forest, transitional forest-cultivation and cultivation. The dominant activity occurred in transisional forest-cultivation habitat (48.19%). The highest proportion of activity wass resting (33.65%) followed by feeding (30.68%), moving (27.08%) and social activities (8.60%). Based on the variations of vegetation strata, the dominant activity performed at stratum C(4-20 meters) accounted for 80.07%.
VARIASI AKTIVITAS HARIAN Hylobates moloch (Audebert, 1798) MENURUT KELAS UMUR DI TN GUNUNG HALIMUN, JAWA BARAT Kartono, Agus P; Prastyono, Prastyono; Maryanto, Ibnu
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (434.567 KB) | DOI: 10.14203/beritabiologi.v6i1.1171

Abstract

The study of daily activity of (Hylobates moloch Audebert 1798) was conducted in Cikaniki. Ciawitali and Pasir Bivak TN Gunung Halimun for two months from June to July 1999.Commontly the daily activity for Jawan Gibbon are resting 39.1%, feeding 30.3%, moving 24.1% and other social activity 6.5% in average.Based on the meaning of activity category, the most for feeding;activity used by subadult (45%), moving for juvenile (33%), resting for infant (82%) and social for juvenile (15.72%).The least social activity was done by subadult category (0.4%). The space area for Jawan Gibbon activity was done at 5-15 meter (23%), 16-25 meter (43%), 26-35 meter (30%) and upper or top canopy at 35 meter from ground (4%).On this study also indicated that this gibbon turn down until to 1.5 meter from ground at lepus (Ammonium pseudopoetens) vegetation.
TIKUS PADA TIPE HABITAT YANG BERBEDA Maryanto, Ibnu; Kartono, Agus P; Sinaga, Martua H
BERITA BIOLOGI Vol 5, No 1 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.671 KB) | DOI: 10.14203/beritabiologi.v5i1.1107

Abstract

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KEKERABATAN MAXOMYS SURIFER (MILLER 1900) ASAL SUMATRA, JAWA DAN KALIMANTAN BERDASARKAN VARIASI MORFOLOGINYA Maryanto, Ibnu; Sinaga, MH
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i4.1270

Abstract

Examination of morphological variation on Maxomys surifer from Sumatra, Jawa and Kalimantan were conducted using 60 adult specimens.Univariate and multivariate statistical analyses of 20 skull and four external characters showed that Maxomys surifer was not sexually dimorphic (P >0.05). The discriminant analysis based on skull characters indicated that Sumatran population had two distinct group; north (Ketambe and Tapanuli) and South to Central Sumatra, the north of Sumatra form was closer to Kalimantan and Jawa.
VARIASI AKTIVITAS HARIAN Hylobates moloch (Audebert, 1798) MENURUT KELAS UMUR DI TN GUNUNG HALIMUN, JAWA BARAT Agus P Kartono; Prastyono Prastyono; Ibnu Maryanto
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i1.1171

Abstract

The study of daily activity of (Hylobates moloch Audebert 1798) was conducted in Cikaniki. Ciawitali and Pasir Bivak TN Gunung Halimun for two months from June to July 1999.Commontly the daily activity for Jawan Gibbon are resting 39.1%, feeding 30.3%, moving 24.1% and other social activity 6.5% in average.Based on the meaning of activity category, the most for feeding;activity used by subadult (45%), moving for juvenile (33%), resting for infant (82%) and social for juvenile (15.72%).The least social activity was done by subadult category (0.4%). The space area for Jawan Gibbon activity was done at 5-15 meter (23%), 16-25 meter (43%), 26-35 meter (30%) and upper or top canopy at 35 meter from ground (4%).On this study also indicated that this gibbon turn down until to 1.5 meter from ground at lepus (Ammonium pseudopoetens) vegetation.
KEKERABATAN Maxomys surifer (Miller 1900) ASAL SUMATRA, JAWA DAN KALIMANTAN BERDASARKAN VARIASI MORFOLOGINYA Ibnu Maryanto; MH Sinaga
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i4.1270

Abstract

Examination of morphological variation on Maxomys surifer from Sumatra, Jawa and Kalimantan were conducted using 60 adult specimens.Univariate and multivariate statistical analyses of 20 skull and four external characters showed that Maxomys surifer was not sexually dimorphic (P >0.05). The discriminant analysis based on skull characters indicated that Sumatran population had two distinct group; north (Ketambe and Tapanuli) and South to Central Sumatra, the north of Sumatra form was closer to Kalimantan and Jawa.
TIKUS PADA TIPE HABITAT YANG BERBEDA Ibnu Maryanto; Agus P Kartono; Martua H Sinaga
BERITA BIOLOGI Vol 5, No 1 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i1.1107

Abstract

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PERGERAKAN LUTUNG JAWA Trachypithecus auratus (E. Geoffroy 1812) PADA FRAGMEN HABITAT TERISOLASI DI TAMAN WISATA ALAM GUNUNG PANCAR (TWAGP) BOGOR Eko Sulistyadi; Agus Priyono Kartono; Ibnu Maryanto
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.647

Abstract

Javan langur is protected spesies of primates that highly threatened. Habitat degradation as a major threat causes javan langur Trachypithecus auratus (E. Geoffroy 1812) populations living in isolated habitat fragments. The research was carried out to determine the daily movement of javan langur in TWAGP as form of adaptation in isolated habitat fragments. The study was conducted in May-June 2012 by using focal animal sampling method. Vegetation analysis was performed with a point centered quarter method. The results showed that there were three major land cover types used by the Javan langur, i.e. forest, transitional forest-cultivation and cultivation. The dominant activity occurred in transisional forest-cultivation habitat (48.19%). The highest proportion of activity wass resting (33.65%) followed by feeding (30.68%), moving (27.08%) and social activities (8.60%). Based on the variations of vegetation strata, the dominant activity performed at stratum C(4-20 meters) accounted for 80.07%.
Co-Authors A. Saim A. Suyanto, A. Achmad Saim Agus P Kartono Agus P. Kartono Agus P. Kartono Agus Priyono Kartono Anang S. Achmadi, Anang S. D. Sajuthi Darrell J. Kitchener, Darrell J. Dwi ASTUTI Eko Sulistyadi Fahma Wijayanti Gunawan Gunawan Hadi S Alikodra Hellen Kurniati Hellen Kurniati, Hellen Husni Mubarok I. MANSJOER, I. J. SUPRlATNA, J. Karlina F. Kartika Maharadatunkamsi (Maharadatunkamsi) Maharadatunkamsi Maharadatunkamsi, Maharadatunkamsi Martua H Sinaga Martua H. Sinaga, Martua H. Maryati Maryati MH Sinaga Petrus Izak Bumbut Pewitasari, Dyah Pewitasari, Dyah Prastyono Prastyono Prastyono Prastyono, Prastyono Prayogi, Kendy Danang Putro, Gembong IR Sunarto Putro, Gembong IR Sunarto Seigo Higashi, Seigo Sigit Wiantoro Sigit Wiantoro, Sigit Sinaga, MH Sri Soegiharto, Sri Sulistyadi, Eko TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN