Agus Priyono Kartono
Departemen Konservasi Sumberdaya Hutan Dan Ekowisata, Fakultas Kehutanan, Institut Pertanian Bogor Jalan Lingkar Akademik, Kampus IPB Dramaga PO Box 168, Bogor 16680, Indonesia

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POPULASI BEKANTAN (Nasalis larvatus) DI SUAKA MARGASATWA KUALA LUPAK, KALIMANTAN SELATAN, INDONESIA Mila Rabiati; Agus Priyono Kartono; Burhanuddin Masyud
Media Konservasi Vol 20 No 3 (2015): Media Konservasi, Vol. 20, No. 3 Desember 2015
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.563 KB) | DOI: 10.29244/medkon.20.3.%p

Abstract

Kuala Lupak Wildlife Sanctuary  (KLWS) is one of the proboscis monkey habitat in South Kalimantan. Degradation of habitat due to conversion of mangroves into cultivation area in KLWS is currently the main factor that threaten the sustainability of proboscis monkeys population in this region. This research was conducted to estimate proboscis monkey populations and identified its structure and social groups at KLWS. Proboscis population data were collected by concentration count method. Data collection carried out in three areas: 1) good vegetation and preferably proboscis monkeys  area as reference site, 2) vegetated but less favored proboscis area as model 1 site, and 3) disturbed vegetation area, where near from settlement as model 2 site. There were no proboscis found on model site 2. Population estimate of proboscis monkey  are 139 ± 43 individuals with the density of 81 individuals/km2. The sex ratio of adult proboscis are 1:3,09. There are three types of social groups proboscis monkey in SMKL i.e. All Male Group (AMG) formed by young males, One Male Group (OMG) consisting of one male and several females with their offspring, abd multimale group formed by two or more OMG’s.  There are at least 2 AMG group consisting of 5-26 individual young males, 7 harem’s or OMG’s group consisting of 7-35 individuals, and 8 multimale group with total membership of 9-59 individuals. Proboscis population structure  based on age class showed that infant population was smaller than the juvenile and the adult. Keywords: group structure, population, population structure, proboscis monkey, sex ratio
STRUKTUR KOMUNITAS BERUDU ANURA DI SUNGAI CIBEUREUM TAMAN NASIONAL GUNUNG GEDE PANGRANGO, JAWA BARAT Welni Dwista Ningsih; Mirza D. Kusrini; Agus Priyono Kartono
Media Konservasi Vol 18 No 1 (2013): Media Konservasi Vol. 18 No. 1 April 2013
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.091 KB) | DOI: 10.29244/medkon.18.1.%p

Abstract

The use of various types of habitats can affect the structure of tadpole communities. The purpose of this study was to identify and measure: a) composition and diversity of Anuran species on two different seasons, b) distribution of tadpoles in different microhabitat types, and c) developmental  stages of tadpole in two different season. Quantitative sampling of amphibian larvae was carried out on along the 224 m transect in Cibeureum stream, Mount Gede-Pangrango National Park, West Java. Four species were found in Cibeureum stream were Leptophryne cruentata (37.10%), Megophrys montana (34.33%), Rhacophorus margaritifer (28.49%), and Huia masonii (0.07%). Cibeureum stream microhabitat can be grouped into torrents, riffles and shingle areas. Tadpoles were only found in riffles and shingle areas. Omitting H. masonii data from linear regression test showed that microhabitat variables did not significantly affect the presence of tadpoles. Most tadpoles were found in stage 25. The dominant stage of tadpole found were in Gosner growth stage 24-28 (no foot) for both dry and wet season, which indicated that the frogs in the Cibeureum stream reproduce throughout the year.  Key words: tadpoles, Anura, Cibeureum, Gunung Gede Pangrango National Park, community structure
PENENTUAN SISTEM PENANGKARAN RUSA TIMOR (Rusa timorensis de Blainville 1822) BERDASARKAN JATAH PEMANENAN DAN UKURAN POPULASI AWAL Yanto Santosa; Rozza Tri Kwatrina; Agus Priyono Kartono
Media Konservasi Vol 17 No 2 (2012): Media Konservasi Vol. 17 No. 2 Agustus 2012
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.996 KB) | DOI: 10.29244/medkon.17.2.%p

Abstract

Harvest quota and population size could be used to determine deer captive breeding system. Development Center of Deer Captive Breeding Technology at Dramaga Research Forest (DRF) is one of captive breeding projected to be one of professional institution that produce deer offspring for conservation and commercial requirement. The objective of this research was to determine deer captive breeding system harvestbased on harvestharvest quota and initial population size at Dramaga Research Forest. Data and information were collected by literature study and field observation during February until April 2009. The result revealed that based on minimal harvest quota and initial population size, and considering of carrying capacity, semi intensive system (SS) was the best deer captive breeding system alternative for DRF. Keywords: rusa deer, harvest quota, population size, captive breeeding system
STRATEGI PENGEMBANGAN WISATA DI PULAU BAWEAN KABUPATEN GRESIK Mohammad Ramli; E.K.S Harini Muntasib; Agus Priyono Kartono
Media Konservasi Vol 17 No 2 (2012): Media Konservasi Vol. 17 No. 2 Agustus 2012
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (354.277 KB) | DOI: 10.29244/medkon.17.2.%p

Abstract

Bawean island has many potential tourism objects both in the land and in the sea. There is a nature reserve and a sanctuary in the island where Bawean Deer an endemic species of Bawean Island lived. The development of bawean as a tourism destination was base on the natural resources culture, local management, local community and visitor characteristics.  The data was analyzed using SWOT (Strengths, Weaknesses, Opportunities and Threats) analysis, AHP (Analytical Hierarchy Process) and descriptive analysis.SWOT Analysis showed that the score of Strengths was 2,530; Weaknesses was 0,773; Opportunities was 1,15 and Threats was 1,89. The tourism objects development priority were 0,233 of gili and noko island; 0,220 of kastoba lake; 0,206 of bawean deer; 0,114 of pasir putih beach; 0,097 of slayar beach; 0,076 of waterfalls and 0,054 of hot spring.    Keywords: Bawean, tourism, SWOT, AHP
ANALISIS FAKTOR EKOLOGI TUMBUHAN LANGKA ROTAN BEULA Ceratolobus glaucescens Blume DI CAGAR ALAM SUKAWAYANA SUKABUMI JAWA BARAT Rudi Hermawan; Agus Hikmat; Agus Priyono Kartono
Media Konservasi Vol 17 No 2 (2012): Media Konservasi Vol. 17 No. 2 Agustus 2012
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (524.076 KB) | DOI: 10.29244/medkon.17.2.%p

Abstract

Indonesian forest possesses a huge number of rare plants species but support of data and information that have supported preservation action was not available optimally. One of rare plant is rotan beula (Ceratolobus galucescens Blume). The aims of this study is to determine the structure, composition, and diversity vegetation which grows at habitat of rotan beula; to know the population condition of rotan beula; and to identify the ecological factors of rotan beula. Data was collected from 7 of circular plot sample. The width of every circular plot was 0.1 ha. The processing and analysis of data was done using Minitab's program version 14. The result showed the condition of rotan beula populations was well, they still grow normally. This conditions was described with young age (446 individuals) is more than the total of Rotan beula in old age (162 individuals). The sustainability of rotan beula population at Sukawayana Natural Reserve (SNR) was being threatened by society activity surround the SNR. The other, the abundance of Rotan beula was affected by density of pole level (n=7; t=7.81; p=0.001) and relative humidity of air (n=7; t=12.10; p=0.000). It can be formulated with regression:  rotan beula density = -1155 + 0.154 density of pole + 13.9 relative humidity of air. The R2 value of formulation was 98,53%. Key word:  Rare plant, ecological factor, preservation, Ceratolobus galucescens Blume. 
KOMUNITAS BURUNG PADA RUANG TERBUKA HIJAU DI KOTA PALU PROVINSI SULAWESI TENGAH: Bird Community at Green Open Space in Palu City Central Sulawesi Province Abdul Vikar; Agus Priyono Kartono; Yeni A. Mulyani
Media Konservasi Vol 25 No 1 (2020): Media Konservasi Vol. 20 No. 1 April 2020
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (485.901 KB) | DOI: 10.29244/medkon.25.1.26-35

Abstract

Ruang terbuka hijau (RTH) dapat berfungsi sebagai habitat bagi komunitas burung di perkotaan. Bentuk atau tipe RTH bervariasi sehingga diduga terdapat perbedaan komunits burung yang memanfaatkannya. Penelitian ini bertujuan mengidentifikasi komposisi komunitas burung dan menghitung indeks keanekaragaman jenis burung di lima RTH di Kota Palu. Penelitian dilakukan di RTH Hutan Kota, Taman hutan raya (Tahura), dan Taman Kota (Palu Barat, Palu Selatan dan Palu Timur). Pengumpulan data jenis burung dilakukan menggunakan metode titik hitung dengan radius 25 m dan jarak antar titik hitung 100 m. Lama waktu pengamatan pada setiap titik hitung adalah 10 menit. Kondisi vegetasi pada setiap RTH diamati menggunakan metode jalur berpetak. Jumlah jenis burung yang berhasil dijumpai dari seluruh RTH yang diamati adalah sebanyak 58 jenis dari 31 famili, terdiri atas 44 jenis burung penetap dan 4 jenis burung migran. Di antara 58 jenis tersebut terdapat 10 jenis burung yang merupakan jenis endemik Sulawesi dan Walacea. Columbidae merupakan famili yang mendominansi RTH dengan anggota terbanyak yakni sebanyak sembilan jenis (15,5%), diikuti famili Ardeidae dan Cuculidae masing-masing sebanyak empat jenis (6,9%). Sebanyak empat jenis burung termasuk dalam kategori dilindungi berdasarkan PP No. 7 Tahun 1999 dan tercantum dalam Lampiran Permen LHK Nomor 106 Tahun 2018, yakni: Haliastur indus, Milvus migrans, Ardea sumatrana, dan Loriculus stigmatus. Di seluruh RTH yang diamati tidak ditemukan jenis-jenis burung yang terancam punah menurut IUCN, namun terdapat dua jenis burung yang tercantum dalam Appendix II CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora), yakni Haliastur indus dan Milvus migrans. Indeks keanekaragaman (H') burung tertinggi dijumpai di Tahura Sulawesi Tengah dengan nilai H'= 2,6 sedangkan terendah di Taman Kota Palu Selatan dengan nilai H' = 1,97. Kata kunci: indeks keanekaragaman, komunitas burung, ruang terbuka hijau
PREFERENSI RELUNG PAKAN BADAK JAWA DAN BANTENG: Dietary Niche Preference of Javan Rhinoceros and Bull Rois Mahmud; Agus Priyono Kartono; Lilik Budi Prasetyo
Media Konservasi Vol 25 No 1 (2020): Media Konservasi Vol. 20 No. 1 April 2020
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.725 KB) | DOI: 10.29244/medkon.25.1.81-88

Abstract

Populasi badak jawa yang hidup di Taman Nasional Ujung Kulon merupakan populasi terakhir spesies tersebut di dunia. Beberapa penelitian menyimpulkan bahwa telah terjadi persaingan antara badak jawa dan banteng berdasarkan banyaknya tumpang tindih relung ekologisnya. Namun penelitian terakhir mengenai status interaksi interspesifik dari kedua spesies menunjukkan adanya indikasi pembagian relung ruang dan waktu dengan tanpa adanya indikasi perilaku agresif. Penelitian ini bertujuan untuk menyimpulkan kembali persaingan relung pakan antara badak jawa dan banteng di Taman Nasional Ujung Kulon. Penelitian dilakukan dengan pengamatan delapan plot analisa vegetasi di semenanjung Ujung Kulon yang mewakili area konsetrasi badak jawa dan banteng. Inventarisasi bekas pakan badak jawa dan banteng beserta ketersediaan seluruh jenis tumbuhan pada lokasi pengamatan dilakukan untuk menilai preferensi pakan dari kedua spesies. Analisa preferensi dilakukan dengan perhitungan indeks Neu untuk setiap plot pengamatan dan membandingkan nilai preferensi yang sudah distandarisasi dari seluruh plot pengamatan. Hasil pengamatan mendapatkan 65 jenis tumbuhan yang dimakan kedua spesies dengan 15 jenis tumbuhan yang tumpang tindih. Jenis yang disukai badak jawa merupakan jenis yang tidak disukai oleh banteng dan sebaliknya. Temuan tersebut menunjukkan bahwa tidak terjadi persaingan baik yang bersifat exploitative dan terdapat indikasi terjadinya pembagian relung pakan antara badak jawa dan banteng. Kata kunci: badak jawa, banteng, pembagian relung, preferensi pakan, Taman Nasional Ujung Kulon
BIRD DIVERSITY ON RECLAIMED NICKEL MINE-LAND IN KOLAKA DISTRICT SOUTHEAST SULAWESI Toto Gunarto; Yeni Mulyani; Siti Badriyah Rushayati; Agus Priyono Kartono
Media Konservasi Vol 26 No 3 (2021): Media Konservasi Vol. 26 No. 3 Desember 2021
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.26.3.183-192

Abstract

Nickel mining is one of open type mining having a high risk on environment. Birds are often used as indicators of habitat change in reclaimed mine-land. The objectives of this study were (1) to identify bird species; (2) to compare bird communities; (3) to predict biotic and abiotic factors that affect bird communities in mining reclamation land according to the age of reclamation, and natural forest in nickel mining area. This research was conducted on reclaimed land in 2006, 2007, 2008, 2009. The composition of bird species is described based on family, endemicity and feeding guild. Bird data were analyzed using Shannon index, Jacknife index, and Sorensen community similarity. Estimation of environmental factors is calculated using multiple regression analysis. This study discovered 41 bird species from 23 family classified into 7 guilds. There were 17 Sulawesi endemic species, and one of them is categorized as vulnerable by IUCN (Rhabdotorrhinus exarhatus). The highest species richness and diversity was found in year 2006 reclamation land (34 species, S = 44, H '= 3,08). The highest similarity analysis of bird communities was in 2006 reclaimed land and natural forest (Cn = 0,79). Based on the results of multiple regression analysis, 3 variables significantly affect the presence of birds (the insect abundance, number of tree species, and the closest perpendicular distance to the river). The presence of birds is influenced by food sources (insects, fruit) and the presence of water. The composition of bird species approached natural conditions with increasing age of reclaimed land. Key words: bird, community, diversity, mine, reclamation
TREE SPECIES COMPOSITION OF 1.8 HA PLOT SAMBOJA RESEARCH FOREST: 28 YEARS AFTER INITIAL FIRE Subekti Rahayu; Sambas Basuni; Agus Priyono Kartono; Agus Hikmat; Meine van Noordwijk
Indonesian Journal of Forestry Research Vol 4, No 2 (2017): Indonesian Journal of Forestry Research
Publisher : Secretariat of Agency for Standardization of Environment and Forestry Instruments

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1156.741 KB) | DOI: 10.20886/ijfr.2017.4.2.95-106

Abstract

Repeated forest fires highly impact on tree species composition. Forest planning requires information about the current condition of  species composition. This paper investigates the current tree composition of  natural regeneration after repeated forest fires,  regeneration process after repeated fires, and strategy of  secondary growth related to ecological restoration issues. Re-observation of  the 1.8 hectares permanent plot in Samboja Research Forest was conducted in 2011. All trees with diameters above 10 cm at breast height (DBH) were re-numbered and mapped. Herbarium specimen was collected for species identification. Number of  taxon was determined, Important Value Index was calculated, species trait of   light response was identified based on the references and dispersion index species was calculated. Results show after twenty eight years initial forest fire, 191 species naturally regenerated in the burnt area. Macaranga gigantea, a light demanding pioneer species of  Euphorbiaceae was the most dominant species, followed by Vernonia arborea belonging to Asteraceae. Both, M. gigantea and V. arborea had clumped distribution. Eight species identified survived from repeated fires, are Anthocephalus chinensis, Dipterocarpus cornutus, Diospyros borneensis, Eusideroxylon zwageri, Shorea ovalis, Syzygium borneensis, Pholidocarpus majadum and Vatica umbonata. All surviving species was distributed uniformly in the plot. Dominant pioneer species which has grown after repeated fires indicates that the current condition of  burnt forest is in the early succession. Protecting forest, assisting natural regeneration and monitoring dominant species are suggested as activities for the ecological restoration.
KARAKTERISTIK ULAR SANCA BATIK (Python reticulatus) YANG DIPANEN DI SUMATERA UTARA Kristina Nainggolan; Mirza Dikari Kusrini; Agus Priyono Kartono
Jurnal Penelitian Hutan dan Konservasi Alam Vol 14, No 1 (2017): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphka.2017.14.1.45-55

Abstract

ABSTRACTBatik pythons (Python reticulatus) is one of reptiles currently getting international concern due to their high exploitation as export commodity. Excessive exploitation may threaten the stability of the population in the wild. The research of morphological characteristics of batik python conducted in North Sumatra was aimed to identify the characteristics of harvested P. reticulatus that has been processed at the slaughterhouses to predict changes in population structure in the wild. The data observed and analyzed were number of harvest, sex, sex ratio, morphometry, age class, reproductive maturity and feed type. Sex ratio from 272 specimens analysed from the slaughterhouse was 1: 0.86, or 53.68% males and 46.32% females, age class juvenileOf 29.04% with sex ratio of 1: 0.42 and adult of 70.96% with sex ratio of 1: 0.93. Mean snout vent length (SVL) of harvested Reticulated python was 272.67 cm (SD = 37.76). There was a significant difference in SVL between males (mean = 267, SD = 37.04) and females (mean = 278, SD = 37.91) at the same age class (p = 0.019). Results of this study support the conclusion of previous studies that commercial skin trade does not terminate the population of reticulated python in Indonesia. However, the tendency of smaller body size of harvesting python compared to previous studies indicates the possibility of excessive harvesting.Keywords: Harvested characteristics, Python reticulatus, SVL, North Sumatra ABSTRAKUlar sanca batik (Python reticulatus) adalah salah satu jenis ular yang pemanenannya dijadikan komoditas ekspor. Eksploitasi yang berlebihan dikhawatirkan akan mengancam kestabilan populasinya di alam. Penelitian karakteristik morfologi ular sanca batik yang dilakukan di Sumatera Utara ini bertujuan untuk mengidentifikasi karakteristik P. reticulatus hasil panenan yang diolah di tempat pemotongan untuk menduga perubahan struktur populasinya di alam. Data yang diamati dan dianalisis adalah jumlah panenan, jenis kelamin, sex ratio, morfometri, kelas umur, kematangan reproduksi, dan jenis pakan. Selama penelitian teridentifikasi 272 ekor P. reticulatus, 146 ekor jantan dan 126 ekor betina. Sex rasio dari 272 ekor P. reticulatus yang dibedah adalah 1 : 0,86 atau 53,68% jantan dan 46,32% betina, kelas umur juvenile 29,04% dengan sex rasio 1 : 0,42 dan dewasa 70,96% dengan sex rasio 1 : 0,93. Rerata SVL P. reticulatus yang dipanen adalah 272.67 cm (SD = 37,76). Berdasarkan jenis kelamin maka terdapat perbedaan antara ukuran SVL jantan (rerata = 267, SD = 37,04) dan betina (rerata = 278, SD = 37.91) pada kelas umur yang sama (t270 = -2,363, p = 0,019). Ukuran testis terbesar jantan matang kelamin (n = 63) pada ukuran SVL 335 cm dan ukuran folikel terbesar betina matang kelamin (n = 22) terdapat pada betina ukuran SVL 329 cm. Pada 272 ekor P. reticulatus yang dibedah, diperiksa saluran pencernaannya, 261 ekor tidak ditemukan sisa pakan. Hasil penelitian ini mendukung penelitian sebelumnya yang menyimpulkan bahwa perdagangan kulit komersial tidak memusnahkan populasi P. reticulatus di Indonesia, namun demikian ukuran tubuh panenan yang lebih kecil dari penelitian sebelumnya memberikan sinyal kemungkinan terjadinya panenan berlebih.Kata kunci: Karakteristik panenan, sanca batik, SVL, Sumatera Utara