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Articles 438 Documents
DIVERSITY AND ECOLOGY OF LAND SNAILS IN GUNUNG HALIMUN SALAK NATIONAL PARK (GHSNP) IN JAVA, INDONESIA Ayu Savitri Nurinsiyah; Ita Faizah; Yogi Prasetio; Tedi Setiadi; Ristiyanti Marsetiowati Marwoto; Bernhard Hausdorf
ZOO INDONESIA Vol 28, No 1 (2019): Juli 2019
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v28i1.3956

Abstract

The land snail fauna of the largest tropical montane forest in Java, the Gunung Halimun Salak National Park (GHSNP), was surveyed during the dry season (June-July) in 2015, concentrating on four park’s resorts, i.e. Cikaniki, Mt. Botol, Cisarua (Halimun area) and Cidahu (Salak area). In total, 399 specimens representing 43 species were collected. Prior to the surveys, 48 land snail species were known from the GHSNP. Fifteen new records for the GHSNP were discovered so 63 species are now known to inhabit the Park. This number represent 25% of the total land snail fauna of Java. 21 of the species found in GHSNP are endemic to Java. The species richness of the plots in GHSNP was correlated with soil pH and the composition of the land snail communities was correlated with elevation, annual mean temperature, and amount of deadwood.
POTENTIAL SUITABLE HABITAT DISTRIBUTION FOR TWO ENDEMIC AND HIGHLY THREATENED SPECIES OF Leptophryne (AMPHIBIA; BUFONIDAE) IN JAVA Pramitama Bayu Saputro; Aldio Dwi Putra; Iwan Setiawan; Tedi Setiadi
ZOO INDONESIA Vol 28, No 2 (2019): Desember 2019
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v28i2.4097

Abstract

Bufonid toad genus Leptophryne comprises three species; L. borbonica, L. cruentata, and L. javanica. These three species occurred in Java Island. Two out of three species, L. cruentata and L. javanica, are endemic and classified as critically endangered (CR) and endangered (EN), respectively. Leptophryne javanica recently described in 2018, and it is separated from L. cruentata by having distinct morphology, molecular and call characteristics. Both L. cruentata and L. javanica share the same habitat type (i.e. mountain forest, waterfall, rocky stream). Until early 2000, these two endemic Leptophryne were considered restricted to Mt. Gede. From 2000 to 2018, these species were also recorded in Mt. Halimun, Mt. Ciremai, and Mt. Slamet. These new localities indicate that there is potential distribution outside previously known locations. This study aims to predict the potential suitable habitat of endemic Leptophryne (L. cruentata and L. javanica) and identify the most important environmental variables on its distribution. MaxEnt modelling was applied to generate a potential suitable habitat distribution map. Twelve presence data were used for the model consist of 10 coordinates in Mt. Gede Pangrango, one in Mt. Ciremai, and one in Mt. Slamet. To build the model, 21 environmental variables were utilized: land cover, altitudinal and 19 variables of precipitation and temperature along with the species presence data. The result shows there is suitable habitat outside the known locations, consist of 14 patches in western Java, five in central Java and four in eastern Java. The most potential is in the mountainous area at southern Bandung. The lowest temperature fluctuation, highest elevation, lowest mean temperature during the warmest season, and better land cover provides the best habitat suitability. Further study is required to verify these potential distributions based on the modelling result.
VARIASI POLA CANGKANG DAN PROFIL HABITAT Clithon oualaniense (Lesson, 1831) (GASTROPODA: NERITIDAE) DI BANGKALAN, MADURA Zen Alvida Choirunnisa; Reni Ambarwati
ZOO INDONESIA Vol 27, No 1 (2018): Juli 2018
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v27i1.3914

Abstract

DIVERSITY OF BUTTERFLIES (LEPIDOPTERA) IN MOUNT BROMO FOREST AREA WITH SPECIAL PURPOSE (FASP), KARANGANYAR, CENTRAL JAWA Pertiwi, Rizqi Adanti Putri; Sugiyarto, Sugiyarto; Budiharjo, Agung; Nayasilana, Ike Nurjuita
ZOO INDONESIA Vol 29, No 2 (2020): Desember 2020
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v29i2.4039

Abstract

Butterflies are insects that must be preserved because of their role in balancing ecosystems. The purpose of this study is to know the diversity of butterflies in Mount Bromo FSAP. This research was conducted in May-August 2019. The observation site consisted of four stations, i.e. heterogeneous forest, cultivation field, sonokeling forest, and pine forest. Observation in each station was replicated three times. Time research was applied by making a 200m x 100m plot area in each station. Abiotic factors including humidity, temperature, light intensity, and wind speed were also measured in each station. Several ecological indices of butterflies were determined, including Shannon-Wiener Diversity Index (H'), Evenness Index (E), and Dominance Index (C). They were analyzed descriptively and associated with the nectar plants and abiotic factors. The result showed there are 42 species butterflies belong to five families in Mount Bromo FSAP. The butterfly diversity index is 2.78 or medium category with details 2.38, 2.50, 2.52, and 2.23 for the heterogeneous forest, cultivation field, pine forest, and sonokeling forest respectively. The diversity of butterflies is determined by the number of nectar plant, and abiotic factors suitable for butterfly activity.
FISH DIVERSITY IN THE DOWNSTREAM REGION OF CIPANAS RIVER INDRAMAYU, WEST JAVA INDONESIA Titin Herawati; Gema Wahyudewantoro; Yuli Andriani; Heti Herawati; Naomi Masnida Yunisia Siregar
ZOO INDONESIA Vol 29, No 1 (2020): Juli 2020
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v29i1.3978

Abstract

Cipanas River is one river in West Java where its upstream region in Tampomas Mountain, Sumedang and it is emptied into the Java Sea, Indramayu. The study was aimed to investigate fish diversity in the downstream area of Cipanas River. The study was conducted by survey methods with census data collection techniques, taken place at 3 stations of Santing, Tempalong, and Cemara of Indramayu Regency. The parameters measured consisted water quality and fish assemblages. Water quality was measured referring to standard laboratory protocol, and fish collection was made by case net with different mesh sizes. The results showed that water quality conditions of the Cipanas River downstream was suitable for inhabiting fishes. There were as many as 548 individual fishes caught belonging to 21 species, 16 genera, and 14 families. Fish diversity was categorized as medium with 1.6 ≤ H ’≤ 2.2 indicating fairly good community structure, and the Evenness index was 0.81 ≤ E ≤ 0.86 to show highly evenly distributed.
PENGARUH MUSIM TERHADAP POPULASI KOPEPODA DI PERAIRAN MANGROVE DAN PANTAI MUARA ANGKE Mulyadi Mulyadi; Dewi Citra Murniati
ZOO INDONESIA Vol 28, No 1 (2019): Juli 2019
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v28i1.3952

Abstract

Pengamatan keragaman, kelimpahan dan distribusi Kopepoda pada tiga stasiun mangrove dan estuarin Muara Angke, Teluk Jakarta dilakukan di musim kemarau (Mei) dan musim hujan (September-Oktober) 2010. Tujuan penelitian ini untuk menyelidiki hubungan keragaman dan kelimpahan Kopepoda dengan beberapa faktor lingkungan yang mempengaruhi pola sebaran pada musim kemarau dan musim hujan. Tercatat 38 jenis dari 21 genus dan 17 suku kopepoda, termasuk dua jenis yang baru dideskripsi dari perairan Jawa yaitu Calanopia asymmetrica dan Labidocera javaensis, dan tiga catatan baru dari lokasi ini, Bestiola similis, Pseudodiaptomus incisus dan Pontellopsis inflatodigitata. Densitas tertinggi tercatat di musim kemarau, sedangkan terendah di musim hujan. Hubungan antara distribusi jenis Kopepoda dominan dan salinitas didiskusikan lebih lanjut.
QUANTIFYING PELAGE COLORATION OF SOUTHEAST ASIA SPINY RATS GENUS Maxomys (MURIDAE: RODENTIA) USING SPECTROPHOTOMETRIC MEASUREMENTS Anang Setiawan Achmadi; Hitoshi Suzuki
ZOO INDONESIA Vol 27, No 2 (2018): Desember 2018
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v27i2.4045

Abstract

We documented preliminary study of coat color variations within Maxomys, one of the most common rats in the Southeast Asian region. We sampled the skin specimens that mostly deposited at Museum Zoologicum Bogoriense, Indonesia. Quantitative measurements of coat color using spectrophotometer revealed no significant difference in the dorsal pelage showing mostly dark brown (L*= 25-30, a*= 5-7, b*= 10-15). The ventral colorations were variable among the species. We classified five different color types based on the measurements: whitish grey (M. baeodon, M. whiteheadi, M. musschenbroekii, M. bartelsii, and M. dollmani), orange dark brown (M. hylomyoides), chestnut orange (M. ochraceiventer), yellowish brown (M. alticola) and creamy white (M. rajah, M. hellwaldii, and M. surifer). These fur color characteristics can be useful in species recognition, together with the craniometric features. Furthermore, molecular study of coat color variation within Maxomys spp. is needed to elucidate the mechanisms of phenotypic variation in morphology that affect the patterns of divergence, speciation and evolutionary history of Maxomys. Here, we failed to obtain the sequences from Maxomys using Mc1r (melanocortin-1 receptor) gene, and probably will be better to use other gene such as ASIP (agouti signaling peptide) gene.
PERFORMA REPRODUKSI DAN PERTUMBUHAN BOBOT MUTLAK NILEM (Osteochilus hasselti Cuvier & Valenciennes 1842) DENGAN PENAMBAHAN HORMON PERTUMBUHAN REKOMBINAN KERAPU KERTANG Sutrisno, Nadila; Utomo, Deny Sapto Chondro; Sarida, Munti
ZOO INDONESIA Vol 29, No 2 (2020): Desember 2020
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v29i2.4035

Abstract

REDISCOVERY OF THE HALMAHERA KEELBACK, Tropidonophis punctiventris (BOETTGER. 1895) (SERPENTES: COLUBRIDAE) AFTER 116 YEARS Dadang Rahadian Subasli
ZOO INDONESIA Vol 28, No 1 (2019): Juli 2019
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v28i1.3957

Abstract

Halmahera Keelback, Tropidonophis punctiventris is endemic to the island of Halmahera, Indonesia. The species was previously described in 1895 based on a single specimens collected in 1866 from Halmahera island. The second and third specimen was determined based on the specimens collected in 1875 and 1894 from the same island. After 116 years, the fourth specimen was collected from Kao Rahai, Halmahera. Here we provide data on morphological of the Halmahera Keelback based on the fresh collection. We discuss the rarity finding of this snake species on Halmahera, which is possibly due to the small population, hidden behavior, or the lack of intensive research in the area. These discoveries continue to underscore the fact that Halmahera is still harbour unrealized herpetological diversity, further research is needed.
INTERAKSI BI-TROFIK KOMUNITAS SERANGGA TANAMAN KEDELAI DENGAN TIGA TEKNIK PENGELOLAAN HAMA DI NGAWI, JAWA TIMUR Ciptadi Achmad Yusup; I Wayan Winasa; Purnama Hidayat
ZOO INDONESIA Vol 28, No 2 (2019): Desember 2019
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v28i2.4098

Abstract


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