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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences The Journal of Experimental Life Sciences (JELS) Journal of Indonesian Tourism and Development Studies Biotropika Jurnal Pembangunan dan Alam Lestari AGRIVITA, Journal of Agricultural Science Journal of Tropical Biodiversity and Biotechnology TREUBIA JSMARTech : Journal of Smart Bioprospecting and Technology Proceeding Biology Education Conference RISTEC : Research in Information Systems and Technology Edubiotik : Jurnal Pendidikan, Biologi dan Terapan
Nia Kurniawan
Brawijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Public Health Social Sciences

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Looking on Indigo Flycatcher (Eumyas indigo) Hunting Behaviour: Time, Ecology, and Habitat Preference Kurnianto, Agung Sih; Sugiharto, Arief; Kurniawan, Nia
Journal of Tropical Life Science Vol 10, No 1 (2020)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.10.01.07

Abstract

Hunting is the main support of life for the insectivores bird of the world. Through an understanding of Indigo Flycatcher behavior character, we compiled new information for the daily behavior of Indigo Flycatcher and Muscicapidae family in general. The study was conducted at 3 periods to interpret the effect of different seasons conditions: the first period (rainy season, 1 – 30 January 2015), the second period (dry season, 1-30 June 2015), the third period (transition season, 1 – 30 November 2015). The research station covers 3 research points (A=edge of the forest, b = garbage dump, c = dense forest. A canonical correspondence (CCA) was used to understand the significance of the interaction between the abiotic factors and season. Based on the observations, the transition of the season became the most preferred moment for Indigo Flycatcher. Indigo flycatcher hunts in a group, both singular and mixed. Point B is the most common location of Indigo Flycatcher hunting activity.
Fishermen’s Perspective on Herpetofauna: A Case Study from Kuala Tungkal, Tanjung Jabung Barat, Jambi Kurniawan, Nia; Firdaus, Anggun Sausan; Nugraha, Fitra Arya Dwi; Maulidi, Andri; Kurnianto, Aguung Sih
Journal of Tropical Life Science Vol 8, No 1 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.01.01

Abstract

The population of herpetofauna (Class: Reptilia, Amphibia) is continuously declining throughout the world. Moreover, habitat changes such deforestation drive rapidly to declining process. Human communities play an important role in conserving the herpetofauna by maintaining and improving the harmonious relationship between human and environment. Therefore, these association will strongly support the conservation of herpetofauna and their habitats. This study is aimed to survey the herpetofauna communities, explore the local people perspective on herpetofauna, and the relationship between human and herpetofauna. We found 12 species observed in this survey that included to 3 order of herpetofauna: anura, squamata and testudines. Local people recognized herpetofauna species around them well and do not harm them because of their roles, such as part of nature (39%), bioindicator (33%), myth (17%), and economic value (11%). We also revealed the local knowledge on herpetofauna, as 14 local names and their roles. Despite Kuala Tungkal is a strategic area for the national port development that probably impacts herpetofauna microhabitat, it needs serious attention on herpetofaunal issues.
Microhabitat Assessment of Mangrove Pit Viper Cryptelytrops purpureomaculatus in Restricted Mangrove Area, Dumai, Riau Province, Sumatera Kurniawan, Nia; Priambodo, Bagus; Nugraha, Fitra Arya Dwi; Maulidi, Andri; Kurnianto, Agung Sih
Journal of Tropical Life Science Vol 7, No 2 (2017)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.07.02.01

Abstract

Bandar Bakau is a mangrove conservation area with approximately 20 ha that preserves many kinds of fauna, including Mangrove Pit Viper Cryptelytrops purpureomaculatus. However, this species and its habitat are still poorly studied in Indonesia, particularly Sumatera island, despite it has a wide distribution in Southeast Asian countries. The main purpose of this study is to evaluate the microhabitat of Mangrove Pit Viper C. purpureomaculatus that found at a restricted mangrove area in Dumai, Riau Province. Visual Encounter Survey (VES) and deep interview methods were used in this study. The survey found six individuals of C. purpureomaculatus that mostly basking on the Avicennia marina and artificial building. Although Bandar Bakau is a tourism object, but no snakebite cases were found.
Morphometric Analysis of Local Fish from Banyu Biru Lake, Pasuruan Compared with Closely Related to Tor spp. from Indonesia Rahayu, Dwi Anggorowati; Nugroho, Endik Deni; Azrianingzih, Rodliyati; Kurniawan, Nia; Haryono, Haryono
Journal of Tropical Life Science Vol 3, No 3 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

Banyu Biru is a natural lake in Sumber Rejo Village, Winongan District, Pasuruan Regency. There are local fishes in the Banyu Biru called sengkaring and tambra. Biological studies on these fishes are not so much known. This study aims to identify the relationship of sengkaring and tambra compared with the related species ( Tor spp.: Cyprinidae) from Indonesia. Morphometric analysis can be used to clustering and understanding the relationship of taxa. Each species represents 17 specimens (Tambra and Sengkaring) and measured 22 characters (in mm) by using digital caliper and the additional characters (21 characters). The canonical, clustering, similarity and distances were used. Based on morphometric measurements, sengkaring and tambra had similarity with the four species found in Indonesia. Commonly, the population of Sengkaring and Tambra was critical; therefore, studies needed to be carried out to support conservation.
in silico Study Reveals Potential Docking Sites of δ 2-isoxazolines derivates for Inhibiting Russell’s Viper PLA2 Toxin Kholilah, Tsaniyah Nur; Widodo, Nashi; Kurniawan, Nia
Journal of Tropical Life Science Vol 11, No 1 (2021)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.11.01.06

Abstract

Snake venom phospholipase A2s (svPLA2s) has been known as the most abundant component and predominant cause of Russell’s viper envenomation. Limitation to serum therapy and considerable pharmacological interest led the researcher to synthesized multi-toxic PLA2 inhibitors, δ2-isoxazolines derivate. Although δ2- isoxazolines derivate already proved inhibitor activity in Group II svPLA2 with known IC50, their mechanism of action remains unveiled. Our recent study investigated their inhibitory activity via molecular docking. The virtual screening revealed that the ligand with diverse structures tied to the relatively same active site region. The result sheds light on the significance of His48 and Asp49 as part of the pro-inflammatory eliciting region. ADME analysis was also performed to filter and identify the best potential inhibitor acceptable for human use. This moiety leads to finding a better therapeutic strategy of svPLA2 inhibitors both as an alternative to serum anti-venom treatment.
Evaluation on the Legal Trade of Tokay gecko (Lacertidae; Gekkonidae; Gekko gecko Linnaeus, 1758) in Indonesia Kurniawan, Nia; Hamidy, Amir; Ardiantoro, Ari
Journal of Tropical Life Science Vol 11, No 1 (2021)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.11.01.12

Abstract

Tokay gecko (Gekko gecko) is a large-sized gecko from the genus of Gekko, which is most commonly found from South Asia, southern China, and Southeast Asia. In Indonesia, these species are common to inhabit human-modified habitat in Sumatera, Borneo, Java, Bali, Lesser Sundas, Sulawesi, and Moluccas. In recent years, the demand for Tokay gekko with high use-value in both national and international markets has increased, one of which is used for traditional medicine. This situation raised the concern on the decreasing of the wild population and the validity of captive breeding programs that produced a large number of individuals. Several reports had estimated millions of individuals have been exported from Indonesia either legally or illegally, however, the exact number never been reported. The purpose of this study is to evaluate the trend on the harvested Tokay gecko and its origin based on the source code information. The data were collected from government records, including specimens harvested from the wild and specimens produced from captivity during 2013 - 2018 (six years). The results showed that the legally exported specimens were sourced from wild (W) and captive breeding (C or F). The total numbers of individuals exported from the wild harvest are 97.146, and all export realization is below the wild harvest quota. However, there are the large numbers of individuals exported and declared as specimens produced from the captive breeding facilities (6.965.000 with source code F, and 1.236.000 with source code C). More importantly, the high level of specimens produced from captive breeding facilities is unlikely to match with the biological capacity of this species. Therefore, we predict that specimens labeled captive breeding were likely sourced from the wild.
The Threat of Appendix CITES-Listed Turtles Harvesting in Central Borneo and South Sumatra Fauzi, Muhammad Alif; Hamidy, Amir; Mumpuni, Mumpuni; Kurniawan, Nia
Journal of Tropical Life Science Vol 10, No 3 (2020)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.10.03.05

Abstract

Exploitation freshwater turtle for local consumption, medicine, and pet in several parts in Asia caused the declining populations in the wild. The purpose of this study is to evaluate of turtle harvest that listed in Appendix CITES in South Sumatra and Central Borneo. We reported the trading network of the three most exploited turtle species in South Sumatera and Central Borneo. We visited the largest middleman in the two provinces and collect the data that comprises the harvest number, prices, trade flow, catching area, and the level of harvest for local consumption. During our survey in Sampit (Central Borneo) (one week in April 2019), we recorded 667 kg of turtles were sent to a middleman and harvested from Jemaras and Sembuluh district. This amount comprises 549 individuals of Cuora amboinensis, 173 Siebenrockiella crassicollis, and one individual of Cyclemys dentata. Contrary to that, in Palembang, we did not find any delivery of turtle from the hunters. However, 387 individuals of C. amboinensis and 132 individuals of S. crassicollis were found in a middleman pool. We also recorded that local people in Central Borneo consumption of turtle meat. The national quota of C. amboinensis in Central Borneo and South Sumatra are 1700 and 2000 individuals for 2019. The national quota of S. crassicollis in South Sumatra is 500 individuals, while Central Borneo does not have any quota for this species. The realization of these wild-caught turtles indicates an over harvesting beyond the annual harvest quota. Moreover, the two middlemen are indicated to carry illegal carapace trading, although the scientific authority recommended to ban the carapace trade.
Fishermen’s Perspective on Herpetofauna: A Case Study from Kuala Tungkal, Tanjung Jabung Barat, Jambi Nia Kurniawan; Anggun Sausan Firdaus; Fitra Arya Dwi Nugraha; Andri Maulidi; Aguung Sih Kurnianto
Journal of Tropical Life Science Vol. 8 No. 1 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.01.01

Abstract

The population of herpetofauna (Class: Reptilia, Amphibia) is continuously declining throughout the world. Moreover, habitat changes such deforestation drive rapidly to declining process. Human communities play an important role in conserving the herpetofauna by maintaining and improving the harmonious relationship between human and environment. Therefore, these association will strongly support the conservation of herpetofauna and their habitats. This study is aimed to survey the herpetofauna communities, explore the local people perspective on herpetofauna, and the relationship between human and herpetofauna. We found 12 species observed in this survey that included to 3 order of herpetofauna: anura, squamata and testudines. Local people recognized herpetofauna species around them well and do not harm them because of their roles, such as part of nature (39%), bioindicator (33%), myth (17%), and economic value (11%). We also revealed the local knowledge on herpetofauna, as 14 local names and their roles. Despite Kuala Tungkal is a strategic area for the national port development that probably impacts herpetofauna microhabitat, it needs serious attention on herpetofaunal issues.
Looking on Indigo Flycatcher (Eumyas indigo) Hunting Behaviour: Time, Ecology, and Habitat Preference Agung Sih Kurnianto; Arief Sugiharto; Nia Kurniawan
Journal of Tropical Life Science Vol. 10 No. 1 (2020)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.10.01.07

Abstract

Hunting is the main support of life for the insectivores bird of the world. Through an understanding of Indigo Flycatcher behavior character, we compiled new information for the daily behavior of Indigo Flycatcher and Muscicapidae family in general. The study was conducted at 3 periods to interpret the effect of different seasons conditions: the first period (rainy season, 1 – 30 January 2015), the second period (dry season, 1-30 June 2015), the third period (transition season, 1 – 30 November 2015). The research station covers 3 research points (A=edge of the forest, b = garbage dump, c = dense forest. A canonical correspondence (CCA) was used to understand the significance of the interaction between the abiotic factors and season. Based on the observations, the transition of the season became the most preferred moment for Indigo Flycatcher. Indigo flycatcher hunts in a group, both singular and mixed. Point B is the most common location of Indigo Flycatcher hunting activity.
Could Road Structures Impact the Avian Community? A Study Case from the South Coast Remained Forest in Malang Region, East Java Province, Indonesia: Impact of Road Structures on Avian Community Nurrofik, Agus; Hakim, Luchman; Septiadi, Luhur; Kurniawan, Nia
Journal of Tropical Life Science Vol. 14 No. 2 (2024)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.02.10

Abstract

The remaining tropical forest on the south coast of the Malang region is one of the secluded areas that served as an important habitat for its biodiversity, particularly for avians. Nevertheless, the presence of the road structure that crosses over the forest might impact avian communities, which needs to be investigated. The avian survey was conducted to investigate the diversity, community profiles, abundance, and feeding guild based on two different ecosystem patches (on the roads versus outside the road structures) during January–April 2022. The audiovisual encounter methods were performed during the surveys on a total of ten sampling points. Avian species were identified using field guides where the conservation status was based on the national regulation (P106 KLHK), CITES, and IUCN Redlist. The comparison through the avian community based on species richness was analyzed using Venn Diagrams and predicted using rarefaction and interpolation curves on INEXT packages. Additionally, the comparison of sizes of avian abundance was investigated using the α-diversity parameter index, and the feeding guild was determined by five diet guilds. In total, 2536 individuals from 67 species, 34 families, and 13 orders were found during the survey. The avian communities were richer outside the road structure, but their abundance qualitatively reveals that both different ecosystem patches showed relatively good condition. Overall, road structures generate both positive (unique habitat patches) and negative (physical barriers that could disrupt natural ecological processes) impacts on avian diversity. In light of these, sustainable management and conservation action plans were urgently needed to prevent the negative effects on avian communities posed by the road structure.
Co-Authors Abdullah Abdullah Achmad Dadang Burhanuddin Adityas Arifianto Agung Pramana W.M Agung Pramana W.M Agung Pramana Warih Marhendra Agung Pramana Warih Marhendra, Agung Pramana Warih Agung S. Kurnianto Agung Sih Kurnianto Agung Sih Kurnianto Agung Sih Kurnianto Agus Nurrofik Agus Suryanto Aguung Sih Kurnianto Ahmad Muammar Kadafi Alvionita, Cicin Vinolia Amin Setyo Leksono Amir Hamidy AMIR HAMIDY Andri Maulidi Andri Maulidi Andyni, Regina Shania Anggun Sausan Firdaus Aninnas, Afina Ardiansyah, Franky Ardiantoro, Ari Ardyah Ramadhina Irsanti Putri Arief Sugiharto Arifianto, Adityas Asmaul Khusnah Asmaul Khusnah Assiddiqy, Miftah Farid Azrianingzih, Rodiyati Azrianingzih, Rodliyati Badiul Ulum Badiul Ulum Bagus Priambodo Bagyo Yanuwiadi Bayu Hendra Prakosa Catur Retnaningdyah Darojat, Annisa Zakiyah Dinana, Ichda Arini Djong Hon Tjong Dwi Anggorowati Rahayu Eldi Mulyana, Eldi Elsa Mufti Endik Deni Nugroho Estri Laras Arumingtyas Fahmi, Muhamad Faldy Alifianto fatchiyah . Fauzi, Muhammad Alif Firdaus, Anggun Sausan Firmansyah, Richo Fitra Arya Dwi Nugraha Fitra Arya Dwi Nugraha Franky Ardiansyah Gigih Setia Wibawa Haryanti Haryanti Haryono Haryono Herlin Aprilia Kartini Herlin Aprilia Kartini Hermanto, Feri Eko Imti Yazil Wafa Karina hanum wardany Karina hanum wardany Karuniawan Puji Wicaksono Kholilah, Tsaniyah Nur Kurnianingsih, Nia Kurnianto, Aguung Sih Lekatompessy, Vanela Chatrin Lingga Nugraha Luchman Hakim Lutfita Fitriana Lutviyana Rahman Lutviyana Rahman Maharani, Tri Mahmudul Hasan, Mahmudul Maisuroh, Dalilatul Masayuki Sumida, Masayuki Muhammad Fathoni, Muhammad Mumpuni Mumpuni Narwasthu, Sekararum Nashi Widodo Nasirudin, Mohamad Nobukazu Nakagoshi Nopharipaldi Rohman, Slamet Nugraha, Yopi Nugroho, Agung Nurrofik, Agus Prabasari, Kartika Pramudya, Muhammad Alif Imam Putri Ramadhani, Putri Putri, Nenis Try Melani Putri, Siti Aqila Kharisma Qothrun Izza Qothrun Izza Ramadani, Shima Rijalullah, Muhammad Asyraf Rikardo, Novy Kurnia Riyanto, Awal Robiatul Adawiyah Rodiyati Azrianingsih Rosyada, Nabila Nur Rosyadah, Nuraini Rudi Candra Aditama Rudi Candra Aditama Septiadi, Luhur Shahroni, Abdul Mutholib Smith, Eric Nelson SRI RAHAYU Sugiharto, Arief Suharjono, Suharjono Suparno, Kelik Supriyatna, Asep Takeshi Igawa, Takeshi Tesri Maideliza Tetep Tri Maharani Triani Widyanti, Triani Vendy Adrinanda Vendy Adrinanda Wibi Riawan Widodo Widodo Widyananda, Muhammad Hermawan Zain, Dhiyaa Syahlaa Bianca Febrinnisa