Borneo Projects
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Chamber Music: an Unusual Helmholtz Resonator for Song Amplification in a Neotropical Bush-Cricket (Orthoptera, Tettigoniidae) Thorin Jonsson1,*, Benedict D
© 2017. Published by The Company of Biologists Ltd | Journal of Experimental Biology (2017) 220, 2900-2907 doi:10.1242/jeb.160234 RESEARCH ARTICLE Chamber music: an unusual Helmholtz resonator for song amplification in a Neotropical bush-cricket (Orthoptera, Tettigoniidae) Thorin Jonsson1,*, Benedict D. Chivers1, Kate Robson Brown2, Fabio A. Sarria-S1, Matthew Walker1 and Fernando Montealegre-Z1,* ABSTRACT often a morphological challenge owing to the power and size of their Animals use sound for communication, with high-amplitude signals sound production mechanisms (Bennet-Clark, 1998; Prestwich, being selected for attracting mates or deterring rivals. High 1994). Many animals therefore produce sounds by coupling the amplitudes are attained by employing primary resonators in sound- initial sound-producing structures to mechanical resonators that producing structures to amplify the signal (e.g. avian syrinx). Some increase the amplitude of the generated sound at and around their species actively exploit acoustic properties of natural structures to resonant frequencies (Fletcher, 2007). This also serves to increase enhance signal transmission by using these as secondary resonators the sound radiating area, which increases impedance matching (e.g. tree-hole frogs). Male bush-crickets produce sound by tegminal between the structure and the surrounding medium (Bennet-Clark, stridulation and often use specialised wing areas as primary 2001). Common examples of these kinds of primary resonators are resonators. Interestingly, Acanthacara acuta, a Neotropical bush- the avian syrinx (Fletcher and Tarnopolsky, 1999) or the cicada cricket, exhibits an unusual pronotal inflation, forming a chamber tymbal (Bennet-Clark, 1999). In addition to primary resonators, covering the wings. It has been suggested that such pronotal some animals have developed morphological or behavioural chambers enhance amplitude and tuning of the signal by adaptations that act as secondary resonators, further amplifying constituting a (secondary) Helmholtz resonator. -
Field Guide to the Amphibians and Turtles of the Deramakot and Tangkulap Pinangah Forest Reserves
Field guide to the amphibians and turtles of the Deramakot and Tangkulap Pinangah Forest Reserves Created by: Sami Asad, Victor Vitalis and Adi Shabrani INTRODUCTION The island of Borneo possesses a diverse array of amphibian species with more than 180 species currently described. Despite the high diversity of Bornean amphibians, data on their ecology, behaviour, life history and responses to disturbance are poorly understood. Amphibians play important roles within tropical ecosystems, providing prey for many species and predating invertebrates. This group is particularly sensitive to changes in habitat (particularly changes in temperature, water quality and micro-habitat availability). As such, the presence of a diverse amphibian community is a good indicator of a healthy forest ecosystem. The Deramakot (DFR) and Tangkulap Pinangah Forest Reserves (TPFR) are located in Sabah’s north Kinabatangan region (Figure. 1). The DFR is certified by the Forest Stewardship Council (FSC) and utilizes Reduced Impact Logging (RIL) techniques. The neighbouring TPFR has utilized Conventional Logging (CL) techniques. Conventional logging ceased in the TPFR in 2001, and the area’s forests are now at varying stages of regeneration. Previous research by the Leibniz Institute for Zoo and Wildlife Research (IZW), shows that these concessions support very high mammalian diversity. Figure. 1: Location of the Deramakot (DFR) and Tangkulap Pinangah Forest Reserves (TPFR) in Sabah, Malaysian Borneo. Between the years 2017 – 2019, an amphibian and reptile research project conducted in collaboration between the Museum für Naturkunde Berlin (MfN), IZW and the Sabah Forestry Department (SFD) identified high amphibian diversity within the reserves. In total 52 amphibian species have been recorded (including one caecilian), constituting 27% of Borneo’s total amphibian diversity, comparable to two neighbouring unlogged sites (Maliau basin: 59 sp, Danum Valley: 55 sp). -
The Amphibians and Reptiles of Malinau Region, Bulungan Research Forest, East Kalimantan
TheThe AmphibiansAmphibians Amphibiansandand ReptilesReptiles ofof MalinauMalinau Region,Region, Bulungan ResearchReptiles Forest, East Kalimantan: Annotated checklist with notes on ecological preferences of the species and local utilization Djoko T. Iskandar Edited by Douglas Sheil and Meilinda Wan, CIFOR The Amphibians and Reptiles of Malinau Region, Bulungan Research Forest, East Kalimantan: Annotated checklist with notes on ecological preferences of the species and local utilization Djoko T. Iskandar Edited by Douglas Sheil and Meilinda Wan, CIFOR Cover photo (Rhacophorus pardalis) by Duncan Lang © 2004 by Center for International Forestry Research All rights reserved. Published in 2004 Printed by ??? ISBN 979-3361-65-4 Published by Center for International Forestry Research Mailing address: P.O. Box 6596 JKPWB, Jakarta 10065, Indonesia Offi ce address: Jl. CIFOR, Situ Gede, Sindang Barang, Bogor Barat 16680, Indonesia Tel : +62 (251) 622622 Fax : +62 (251) 622100 E-mail: [email protected] Web site: http://www.cifor.cgiar.org Table of of Contents Contents Abstract iv A preamble regarding CIFOR’s work in Malinau v Introduction 1 Aims of This Study 2 Material and Methods 3 Results 4 Conclusions 19 Acknowledgments 20 Literature Cited 21 Abstract The amphibians and reptiles of CIFOR’s field with logging activities because diversity levels are site in Malinau were investigated for a one month similar to those in undisturbed forests. All streams period in June - July 2000, a study which was then contain roughly the same species, indicating that the continued by two interns from Aberdeen, so that the habitat itself is essentially homogenous. Knowledge total length of study was about 72 days. -
Conservation of Amphibians in Borneo: Relative Value of Secondary Tropical Forest and Non-Forest Habitats ⇑ Graeme R
Biological Conservation 152 (2012) 136–144 Contents lists available at SciVerse ScienceDirect Biological Conservation journal homepage: www.elsevier.com/locate/biocon Conservation of amphibians in Borneo: Relative value of secondary tropical forest and non-forest habitats ⇑ Graeme R. Gillespie a, , Eddie Ahmad b, Berjaya Elahan b, Alice Evans c, Marc Ancrenaz b,e, Benoit Goossens c,d, Michael P. Scroggie f a Department of Zoology, University of Melbourne, Parkville, Victoria 3052, Australia b Kinabatangan Orang-utan Conservation Programme, c/o Sabah Wildlife Department, Sandakan, Sabah, Malaysia c Organisms and Environment Division, School of Biosciences, Cardiff University, Cardiff, United Kingdom d Danau Girang Field Centre, c/o Sabah Wildlife Department, Kota Kinabalu, Sabah, Malaysia e North of England Zoological Society, Honorary Conservation Fellow, Chester, United Kingdom f Arthur Rylah Institute for Environmental Research, Department of Sustainability and Environment, P.O. Box 137, Heidelberg, Victoria 3084, Australia article info abstract Article history: The impact of degradation of Southeast Asian rainforests and conversion to oil palm plantations on Received 24 August 2011 amphibians is unknown. To assess the relative value of secondary forests, oil palm plantations and other Received in revised form 22 March 2012 non-forest habitats for amphibian conservation, we evaluated amphibian species richness and assem- Accepted 24 March 2012 blage composition in secondary lowland forests, compared with oil palm plantations and other non-for- est habitats, along the Lower Kinabatangan River, eastern Sabah, Malaysia. Secondary forests retained a large proportion of amphibian species known from lowland primary rainforests. Species richness was Keywords: higher in secondary forest habitats compared to oil palm plantations and other non-forest habitats. -
Biodiversity and Natural History of Amphibians and Reptiles in Kerinci Seblat National Park, Sumatra, Indonesia (2005, 2006, 2007, 2008)
BIODIVERSITY AND NATURAL HISTORY OF AMPHIBIANS AND REPTILES IN KERINCI SEBLAT NATIONAL PARK, SUMATRA, INDONESIA (2005, 2006, 2007, 2008) Rhacophorus bifasciatus (Photograpg by H. Kurniati) By : HELLEN KURNIATI Research Center for Biology-LIPI, Widyasatwaloka Building-LIPI, Jalan Raya Cibinong km 46, Cibinong 16911, West Java, INDONESIA Phone : +62-21-8765056 Fax : +62-21-8765068 Email : <[email protected]> and <[email protected]> CONTENTS ACKNOWLEDGEMENTS ………………………………………………………………………………. 5 SUMMARY ………………………………………………………………………………………………. 6 INTRODUCTION ……………………………………………………………………............................... 6 METHODS ……………………………………………………………………………………………….. 7 A. Study Areas and Habitats ………………………………………………………............................... 7 A.1. Phase 1 (January-March 2005) ……………………………………………................................... 8 A.2. Phase 2 (February-March 2006) ………………………………………......................................... 11 A.3. Phase 3 (January-March 2007)…………………………………………….................................... 13 A.4. Phase 4 (February 2008) ................................................................................................................. 15 B. Survey Methods ………………………………………………………………….............................. 16 B.1. Lighting ………………………………………………………………………............................. 17 B.2. Hand Collection ………………………………………………………………............................. 17 B.3. Trapping ………………………………………………………………………............................ 17 C. Analysis ………………………………………………………………………….............................. 18 RESULTS -
Chapter 7. Amphibians of the Indomalayan Realm
CHAPTER 7. AMPHIBIANS OF THE INDOMALAYAN REALM Figure 1. Summary of Red List categories Raoul Bain, S.D. Biju, Rafe Brown, Indraneil Das, Arvin Diesmos, Sushil Dutta, Human population density is very high across this region (averaging 124 people per for amphibians in the Indomalayan Realm. David Gower, Robert Inger, Djoko Iskandar, Yoshio Kaneko, Michael Wai Neng square kilometre across Southeast Asia), including, as it does, several of the most populous The percentage of species in each category Lau, Madhava Meegaskumbura, Annemarie Ohler, Theodore Papenfuss, countries on earth, such as India (with an estimated 1.1 billion people) and Indonesia (220 is also given. Rohan Pethiyagoda, Bryan Stuart, Mark Wilkinson and Feng Xie million). Population density ranges from a whopping 336 people per square kilometre in India, to 277 per square kilometre in the Philippines, 117 people per square kilometre in Indonesia, to 25 people per square kilometre in Lao P.D.R. The percentage of the population Red List Category Number of species THE GEOGRAPHIC AND HUMAN CONTEXT concentrated in urban areas also varies, with nearly 20% of people in Cambodia concentrated Extinct (EX) 20 in urban areas, 30% in India, around 48% in Indonesia, and nearly two-thirds of people in Extinct in the Wild (EW) 0 The Indomalayan Realm (sometimes termed the Oriental region) encompasses all of South the Philippines and Malaysia. With the exception of Singapore (gross national income per Critically Endangered (CR) 32 and Southeast Asia, including the Indonesian and Philippine archipelagos, and incorporating capita of US$24,000), all countries have a GNI per capita of less than US$5,000. -
Long-‐Term Wildlife Monitoring in the Rasig Corridor
Long-term wildlife monitoring in the Rasig Corridor. (Results for the first year: 2019) 1 Executive summary This report presents some of the preliminary results of the first year of the long-term biodiversity monitoring undertaken in the Rasig corridor. With this project, our goal is to document whether forest corridors are an effective tool to sustain populations of wildlife in an oil palm context. In 2019, our aim was to establish baseline data that could be compared with in the future. We also wanted to test various techniques and assess their potential use in the future in terms of required resources, replicability and reliability. Data collected in 2019 are currently being analysed by a Malaysian student who is pursuing her MSc at Manchester University, UK. Thus, this report is a descriptive exploration of what was achieved in 2019, rather than a final analysis. As it was expected, our preliminary results for 2019 showed that species richness and abundance was higher in the forests bordering the Rasig corridor than in the corridor itself or the nearby active oil palm plantations. However many species are increasingly using the Rasig corridor. This shows that even at its earlier stages, a corridor (forested or covered with palms) is an essential element to sustain the dynamic and functionality of animals’ communities. The results acquired during the first year of our reforestation efforts are also very encouraging, with very high survival and growth rates of seedlings that were planted during the year. To be meaningful, this monitoring needs to be pursued on the long-term, over several years. -
Anuran Amphibians of Borneo As Phytotelm-Breeders
ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Herpetozoa Jahr/Year: 2008 Band/Volume: 20_3_4 Autor(en)/Author(s): Malkmus Rudolf, Dehling Jonas Maximilian Artikel/Article: Anuran amphibians of Borneo as phytotelm-breeders - a synopsis Anuren Borneos als Phytotelmenbrüter - eine Übersicht 165-172 ©Österreichische Gesellschaft für Herpetologie e.V., Wien, Austria, download unter www.biologiezentrum.at HERPETOZOA 20 (3/4): 165-172 165 Wien, 30. Jänner 2008 Anuran amphibians of Borneo as phytotelm-breeders - a synopsis Anuren Borneos als Phytotelmenbrüter - eine Übersicht RUDOLF MALKMUS & JONAS MAXIMILIAN DEHLING KURZFASSUNG Wir geben eine Übersicht über die phytotelmenbrütenden Anuren aus Borneo. Außer den sich direkt entwickelnden Kaulquappen von Philautus wurden bisher auch Larven von elf Froscharten mit freischwimmenden Kaulquappen in Phytotelmen nachgewiesen. Beobachtungen an weiteren Arten deuten daraufhin, daß die Zahl der Phytotelmenbrüter noch höher sein könnte. ABSTRACT We provide an overview of the phytotelm-breeding anurans from Borneo. Besides the direct-developing tadpoles of Philautus, also the larvae of eleven frog species with free-swimming tadpoles have been recorded in phytotelms so far. Observations on additional species indicate that the number of phytotelm-breeders might be still higher. KEY WORDS Amphibia: Anura; phytotelm-breeding, tadpoles, larvae, ecology, Borneo INTRODUCTION THIENEMANN (1934) defined phyto- is covered by a shield to prevent the diges- telms as "periodic bodies of water resulted tive fluid, which is produced in these recep- from accumulation of atmospheric precipi- tacles, becoming diluted by rain. Only in the tation or from secretion of fluids by the ground pitchers of Nepenthes ampullaria, plant itself, in or on plants or parts of plants this shield is peculiarly folded back and has that are either living or about to die". -
Amphibia: Anura: Microhylidae) Fauna of Myanmar with Description of Two New Species
ZOOLOGICAL RESEARCH On the road to Mandalay: contribution to the Microhyla Tschudi, 1838 (Amphibia: Anura: Microhylidae) fauna of Myanmar with description of two new species Nikolay A. Poyarkov, Jr.1,2,*, Vladislav A. Gorin1, Than Zaw3, Valentina D. Kretova1, Svetlana S. Gogoleva2,4,5, Parinya Pawangkhanant6, Jing Che7,8 1Department of Vertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Moscow 119234, Russia 2 Joint Russian-Vietnamese Tropical Research and Technological Center, Nghia Do, Cau Giay, Hanoi, Vietnam 3Zoology Department, Mohnyin Degree College, Mohnyin, Kachin State 1111, Myanmar 4A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow 119071, Russia 5Zoological Museum of the Lomonosov Moscow State University, Moscow 125009, Russia 6Bansomdejchaopraya Rajabhat University, Thon Buri, Bangkok 10600, Thailand 7State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming Yunnan 650223, China 8Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin Nay Pyi Taw 05282, Myanmar ABSTRACT as a sister species to M. kodial from southern India (P-distance=5.3%); however, it clearly differs from We present a morphological and molecular the latter both in external morphology and assessment of the Microhyla fauna of Myanmar advertisement call parameters. Microhyla mukhlesuri based on new collections from central (Magway is reported from Myanmar for the first time. We Division) and northern (Kachin State) parts of the further discuss the morphological diagnostics and country. In total, six species of Microhyla are biogeography of Microhyla species recorded in documented, including M. berdmorei, M. heymonsi, Myanmar. M. butleri, M. mukhlesuri and two new species described from the semi-arid savanna-like plains of Keywords: Narrow-mouth frogs; Burma; Indochina; the middle part of the Irrawaddy (Ayeyarwady) River Magway; Kachin; Biodiversity; Taxonomy; mtDNA; Morphology; Acoustics; Advertisement call Valley. -
Anuran (Frog and Toad) Explorations of Sabah, Borneo, for Conservation, and Public Environmental Awareness
ANURAN (FROG AND TOAD) EXPLORATIONS OF SABAH, BORNEO, FOR CONSERVATION, AND PUBLIC ENVIRONMENTAL AWARENESS KUEH Boon Hee* & MARYATI Mohamed Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Locked Bag 2073, 88999 Kota Kinabalu, Sabah, Malaysia. *E-mail: [email protected] Tel.: 088 – 320000 ext. 2386 Fax: 088 – 320291 ABSTRACT Sabah, a Malaysian State on Borneo, is a haven for anurans (frogs and toads) with 109 species (representing more than 73% of the total species in Borneo), and the degree of endemism at approximately 17%. However, it is becoming increasingly evident that localized calamities such as natural habitat destruction, alteration and fragmentation, pollutions, and introduction of exotic species, coupled with systemic catastrophes like global warming, and the potential prevalence of chytridiomycosis, are exerting pressure on local anuran species diversity and abundance. Hence, persistent and extensive inventory-based studies on anurans are much vital to substantiate feasible conservation strategies, and public environmental awareness activities towards communal participation. Since 2000, the Institute for Tropical Biology and Conservation (ITBC) has intensified her inventory-based studies on anurans throughout Sabah. Studies at Tabin Wildlife Reserve (2000), Maliau Basin Conservation Area (2001), Crocker Range Park (2002) and Tawau Hills Park (2007) have up-dated previous inventories, and recorded new locality records. Studies at populated areas at West Coast and Kudat Divisions (2000 – 2001), Trus Madi (2001), Pulau Banggi (2003), Lower Segama (2003), Kota Kinabalu City Bird Sanctuary (2006) and Kulamba Wildlife Reserve (2006) have generated initial anuran inventories. Accumulatively, 71 species representing all five families of anurans in Sabah were recorded with ten species under Bufonidae and Microhylidae each, eight species under Megophryidae, 24 species under Ranidae, and 19 species under Rhacophoridae. -
Understanding Anuran Responses to Rainforest Fragmentation and Oil Palm Agriculture in the Lower Kinabatangan Wildlife Sanctuary, Sabah, Malaysia
Understanding anuran responses to rainforest fragmentation and oil palm agriculture in the Lower Kinabatangan Wildlife Sanctuary, Sabah, Malaysia. Juan Manuel Aguilar-León (MSc) January 2020 Organism and the Environment Division, School of Biosciences, Cardiff University This thesis is submitted to Cardiff University in candidature for the degree of Doctor of Philosophy Primary supervisor: Prof. Michael W. Bruford Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK Secondary supervisor: Dr. Benoît Goossens Danau Girang Field Centre, c/o Sabah Wildlife Department, Wisma Muis, 88100 Kota Kinabalu, Sabah, Malaysia. Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK Third supervisor: Dr. Pablo Orozco ter Wengel Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK This project was funded by a scholarship from CONCyTEC and grant from The Rufford Foundation. The local counterpart was Dr. Senthivel K.S.S Nathan of the Sabah Wildlife Department (research permit: number: JHL(PB)600-3/18/1/1 Jld.23) I Declaration This thesis is the result of my own independent work, except where otherwise stated, and the views expressed are my own. Other sources are acknowledged by explicit references. The thesis has not been edited by a third party beyond what is permitted by Cardiff University's Use of Third Party Editors by Research Degree Students Procedure. Signed................................................(Candidate) -
An Updated Checklist of the Amphibian Diversity of Maliau Basin
Evolutionary Systematics 2 2018, 89–114 | DOI 10.3897/evolsyst.2.27020 An updated checklist of the amphibian diversity of Maliau Basin Conservation Area, Sabah, Malaysia Alexander Haas1, Kueh Boon-Hee2, Alvinus Joseph2, Masliadi bin Asri3, Indraneil Das4, Reto Hagmann5, Loraine Schwander6, Stefan T. Hertwig5,6 1 Centrum für Naturkunde, Universität Hamburg, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany 2 Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia 3 Maliau Basin Conservation Area, Pusat Kraftangan Sabah, Peti Surat 961, 89008 Keningau, Sabah, Malaysia 4 Institute for Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia 5 Naturhistorisches Museum Bern, Bernastraße 15, Ch-3005 Bern, Switzerland 6 Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012 Bern, Switzerland http://zoobank.org/1E21338D-E8BB-4961-B7E9-7350D3156B4C Corresponding author: Alexander Haas ([email protected]) Abstract Received 28 May 2018 Accepted 4 July 2018 The current account presents the results of a 14-day amphibian survey at Maliau Basin Published 13 July 2018 Conservation Area (MBCA). With a total of approximately 170 man-hrs, 44 species were detected at four study sites during the field period; four more species were later discov- Academic editor: ered outside the two-week campaign. The results are compared to the results of previous Andreas Schmidt-Rhaesa surveys. Apart from adults, we present the first photographic documentation of the larval stages of Chiromantis inexpectatus and Bornean Phrynoidis juxtaspera, along with a brief tadpole description; the better-known tadpoles of four more species were recorded.