DOCSLIB.ORG

Sri-13 Mei 2017-524

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Sri-13 Mei 2017-524 BIOTROPIA Vol. 24 No. 1, 2017: 35 - 46 DOI: 10.11598/btb.2017.24.1.524 INVASION OF Acacia decurrens WILLD. AFTER ERUPTION OF MOUNT MERAPI, INDONESIA SUNARDI1*, SULISTIJORINI1 and TITIEK SETYAWATI2 1Department of Biology, Faculty of Mathematics and Natural Sciences, Institut Pertanian Bogor, Bogor 16680, Indonesia 2Research Center of Conservation and Rehabilitation, Ministry of Environment and Forestry, Bogor 16610, Indonesia Received 12 August 2015/Accepted 12 November 2016 ABSTRACT Eruption of Mount Merapi in 2010 caused a dense cover of Acacia decurrens Willd., which is an Invasive Alien Plant Species (IAPS). The dense cover happened in all areas of Mount Merapi National Park (MMNP) in Java, Indonesia. This study was aimed to describe the relationship between major natural disturbance from volcanic eruption in triggering the invasion of A. decurrens in Mount Merapi National Park. Vegetation data were collected using line transect in two different sites. The first site was Cangkringan which was affected by pyroclastic flow and the second site was Selo which was not affected by pyroclastic flow. Distribution patterns and association of A. decurrens with other species in each location was analyzed using ordination analysis of the Non-Metric Multidimensional Scaling (NMDS). Microclimate such as temperature, humidity, light density and soil humidity was recorded in each location. Correlation between species abundance and microclimate data was assessed using Canonical Correspondence Analysis (CCA). The results showed that the population of A. decurrens was more dominant in Cangkringan than in Selo site. Cangkringan site was impacted with pyroclastic flow during Mount Merapi eruption in 2010, while Selo site was not affected. In Cangkringan, A. decurrens was distributed in clump, while in Selo the plant was randomly distributed. Ordination analysis using NMDS showed that there was positive association between A. decurrens and herbaceous plant. Negative association was observed between A. decurrens and other tree species. CCA analysis showed that temperature and light density was positively correlated with A. decurrens abundance. This study showed that the IAPS invasion in MMNP was correlated with the eruption of Mount Merapi. Keywords: Acacia decurrens, autecology, eruption, invasive INTRODUCTION the diversity of alpine vegetation. The native plant was replaced by Invasive Alien Plant Species Mount Merapi National Park (MMNP) is a (IAPS) which became dominant in several protected forest, rich with various flora and fauna. locations affected by the eruption of Mount Mount Merapi, located in the MMNP, is the most Merapi. Dadap (Erythrina longifolia) and pine (Pinus active volcano in Indonesia. The eruption of merkusii), which were initially the most common Mount Merapi from 26 October to 6 November plant species in this area, were not recorded after 2010 was recorded as the worst disaster since its the eruption. Pine is not a local species in this eruption in 1870 (BNPB 2011). Mount Merapi mountain area, however, this plant might have eruption in 2010 was characterized by pyroclastic been escaped from the neighboring plantation flow (a fast moving flow containing high-density forest managed by state forest enterprises. mixture of hot lava blocks, pumice, ash and Invasive Alien Species (IAS) is a combination volcanic gas) which reached temperature of of alien species and their invasive characteristics. 400 – 600 oC and speed of 130 km/h, causing An alien species is a species (at the level of species, vegetation destruction, among others. Vegetation subspecies, varieties) that had been intentionally succession after the eruption showed a decline in or unintentionally introduced (as whole organism, part of the body, gametes, seeds, eggs or * Corresponding author: [email protected] propagules that are able to live and reproduce in 35 BIOTROPIA Vol. 24 No. 1, 2017 the new habitat) into areas outside of its natural species, life cycle and ecological factors, including distribution range. Invasive species, either native physical, biological and environmental factors. or introduced species, become densely established and broadly affect the habitat and land uses resulting to serious environmental, social and MATERIALS AND METHODS economic impacts (CBD-UNEP 2014). Acacia decurrens is one of serious Invasive Alien Study Site Plant Species (IAPS) in MMNP. The plant The research was conducted from March to became dominant in the areas affected by December 2014. The research was conducted in pyroclastic flow. This plant, originated from Mount Merapi National Park (MMNP). The Australia, belongs to family of Fabaceae, research location was divided into two sites. subfamily of Mimosoidae and genus of Acacia. The first site was Cangkringan located at Within their native distribution range, Acacia o o 7 35.771” – 110 26.375” (954 m asl). This site decurrens is considered as fast growing pioneer species and often causes serious concern due to its was affected by pyroclastic flow during the eruption in 2010. The second site was Selo located potential invasion to their new habitat. IAPS can o o establish themselves in a disturbance area and at 7 30.843” – 100 27.188” (1,044 m asl). This site begin to dominate native vegetation. was not affected by the pyroclastic flow. The study Invasion by an alien species can occur in an at each site was conducted at three different area if the native species are unable to quickly altitude zones i.e. high zone (1,400 – 1,700 m asl), adapt to the change of environmental conditions. middle zone (1,100 – 1,400 m asl) and lower zone IAPS can significantly suppress the native plant, (800 – 1,100 m asl). invertebrate and vertebrate population and communities. For example, Lantana camara Sampling Design and Data Analysis invaded large areas of tropical Asia and Australia Vegetation analysis was performed using a as well as contributed to the declines of several systematic sampling with transect line along endangered species in Australia (Coutts-Smith & 100 m for each zone in the two study sites. Each Downey 2006). The invasion of Acacia nilotica in transect line consisted of 10 quadrats of 10 x Baluran National Park has changed the savanna 10 m (for tree species), 10 quadrats of 5 x 5 m into a shrub of Acacia and contributed to the (for sapling species) and 10 quadrats of 2 x 2 m decreasing number of banteng (Bos javanicus) (for herb species) (Cropper 1993; Krebs 2002). population (Setiabudi et al. 2013). Plant invasion Height and diameter data of A. decurrens trees can occur due to natural disasters, climate and were collected at each site. These data were environment changes. The invasion can also collected from 15 trees that were inside the 10 happen in disturbed habitats. quadrat plots of 10 × 10 m. Environmental data There are only a few studies focused on the collected at each site were soil physical and impact of natural disturbance from volcano chemical properties, air temperature, humidity, eruption to the invasion of IAPS. Therefore, light intensity and wind speed. studying biological invasions in mountains having Importance Value Index (IVI) was calculated natural disturbance is scientifically important for to determine the overall importance of each nature conservation. This study was aimed at species in the community structure. In calculating determining correlation between Mount Merapi this index, the percentage values of the relative eruption and the invasion of A. decurrens in frequency, relative density and relative dominance MMNP and at determining the autecology of were summed up together (Kent & Paddy 1992). A. decurrens as basic information for managing Species diversity was determined using Shannon- plant invasion in MMNP. It was assumed that the Wiener Diversity Index (H), while species eruption of Mount Merapi with the pyroclastic dominance was determined using Simpson's flow has positive correlation with the abundance Dominance Index (D). population of A. decurrens in Mount Merapi. The Shannon-Wiener Diversity Index (H) is an autecology study was performed to explain the index that is commonly used to characterize characteristic, dynamic population of individual species diversity in a community. Shannon- 36 Invasion of Acacia decurrens. after eruption of Mount Merapi – Sunardi et al. Wiener Diversity Index (H) accounts for both ∑Xi = sum of the quadrat count 2 abundance and evenness of the existing species, ∑Xi = sum of the quadrat count from the total of as is shown in this formula: species in the community The deviation from random expectation can be tested using critical values of the Chi-square where: distribution with n-1 degrees of freedom. H = Shannon-Wiener Diversity Index Confidence interval around 1 can be calculated by Pi = proportion of species the uniform (Mu) and clumped (Mc) indices ni = number of species (Krebs 2002). N = number of quadrat Simpson's Dominance Index (D) is a simple mathematical measure that characterizes species where: diversity in a community. The proportion of 2 species (ni) relative to the total number of species x 0.0975 = value of chi-square from the table (N) is calculated and squared. The squared with (n-1), degree of freedom that has 97.5 % of the area to right proportions for all the species are summed, and 2 the reciprocal is taken: x 0.0025 = value of chi-square from the table with (n-1), degree of freedom that has 2.5 % of the area to right xi = number of individual of species in a where: set of quadrat D = Simpson's Dominance Index n = number of quadrat n = number of species i Standardized Morisita Index was calculated N = number of quadrat using the following four formulas: The Simpson's index ranges: 1. If D = 0 – 0.5 this means that none species were dominant 2. If D = 0.5 – 1 this means that there is a dominant species Evenness Index (E) can be calculated by dividing H by Hmax (where Hmax = lnS). Equitability assumes a value between 0 and 1 with 1 being complete evenness.
Load more

Recommended publications
  • Report on Biodiversity and Tropical Forests in Indonesia
    Report on Biodiversity and Tropical Forests in Indonesia Submitted in accordance with Foreign Assistance Act Sections 118/119 February 20, 2004 Prepared for USAID/Indonesia Jl. Medan Merdeka Selatan No. 3-5 Jakarta 10110 Indonesia Prepared by Steve Rhee, M.E.Sc. Darrell Kitchener, Ph.D. Tim Brown, Ph.D. Reed Merrill, M.Sc. Russ Dilts, Ph.D. Stacey Tighe, Ph.D. Table of Contents Table of Contents............................................................................................................................. i List of Tables .................................................................................................................................. v List of Figures............................................................................................................................... vii Acronyms....................................................................................................................................... ix Executive Summary.................................................................................................................... xvii 1. Introduction............................................................................................................................1- 1 2. Legislative and Institutional Structure Affecting Biological Resources...............................2 - 1 2.1 Government of Indonesia................................................................................................2 - 2 2.1.1 Legislative Basis for Protection and Management of Biodiversity and
    [Show full text]
  • A Global Overview of Protected Areas on the World Heritage List of Particular Importance for Biodiversity
    A GLOBAL OVERVIEW OF PROTECTED AREAS ON THE WORLD HERITAGE LIST OF PARTICULAR IMPORTANCE FOR BIODIVERSITY A contribution to the Global Theme Study of World Heritage Natural Sites Text and Tables compiled by Gemma Smith and Janina Jakubowska Maps compiled by Ian May UNEP World Conservation Monitoring Centre Cambridge, UK November 2000 Disclaimer: The contents of this report and associated maps do not necessarily reflect the views or policies of UNEP-WCMC or contributory organisations. The designations employed and the presentations do not imply the expressions of any opinion whatsoever on the part of UNEP-WCMC or contributory organisations concerning the legal status of any country, territory, city or area or its authority, or concerning the delimitation of its frontiers or boundaries. TABLE OF CONTENTS EXECUTIVE SUMMARY INTRODUCTION 1.0 OVERVIEW......................................................................................................................................................1 2.0 ISSUES TO CONSIDER....................................................................................................................................1 3.0 WHAT IS BIODIVERSITY?..............................................................................................................................2 4.0 ASSESSMENT METHODOLOGY......................................................................................................................3 5.0 CURRENT WORLD HERITAGE SITES............................................................................................................4
    [Show full text]
  • 2-59 2-2 気象・水文観測に関する現状と課題 2-2-1 気象・水文観測に関係
    2-2 気象・水文観測に関する現状と課題 2-2-1 気象・水文観測に関係する機関 気象・水文観測に関係する主な機関は、ムシ川流域においては、流域管理機関（BBWS）Sumatra Ⅷ、気候・気象・地球物理庁（Baden Meteorology Klimatologi dan Geofisika：BMKG）である。ブラン タス川流域においては、BBWS Brantas、水資源公社 I（JASA TIRTAⅠ：PJT1）、BMKG である。また、 各 BBWS で観測されたデータは、水資源研究所に収集・整理されている。 （1） BMKG の組織体制 Keputusan Kepala BMKG No.003/2009 による BMKG の組織図は図 2-2-1 のとおりである。 （Director General） （Deputy of Climatology） （Center for Climate Change & Air Quality） （Regional office） 図 2-2-1 BMKG の組織図 今回の国内研修を含む気候変動影響評価の技術移転先は、Center for Climate Change & Air Quality であり、ムシ川流域、ブランタス川流域の観測を実施しているのは、Regional Office であ る。 次に、Center for Climate Change & Air Quality の組織図を図 2-2-2 に示す。Climate Change Information、 Air Quality Information、 Air Quality and Climate Change Operational Building の常設の ３部門から構成され、この他に Functional Group が設置されている。 今回の Center for Climate Change & Air Quality の訪問で、データ提供に関する再確認を行い、了 解を得た。 なお BMKG の役割、予算については、2-3-1 で気候変動も含めて記述する。 2-59 ① ② ③ ④ ⑤ ⑦ ⑨ ⑥ ⑧ ⑩ ⑪ 図 2-2-2 Center for Climate Change & Air Quality の組織図 ① Center for Climate Change & Air Quality ② Climate Change Information ③ Air Quality Information ④ Air Quality & Climate Change Operational Building ⑤ Climate Change Analysis & Information ⑥ Climate Change Dissemination & Information ⑦ Air Quality Information ⑧ Air Pollution Information ⑨ Climate Change Operational Building ⑩ Air Quality Operational Building ⑪ Functional Group （2） PU の組織体制 BBWS SumatraⅧ、BBWS Brantas、水資源研究所の組織体制については、「2-1 節」に記述して いる。 （3） PJT1 の組織体制 PJT1 の組織体制については、「2-1 節」に記述している。 （4） JCP（Joint Cooperation Program） 気象・水文観測に関するドナー支援事例としては、オランダ国のオランダ王国気象庁（Royal
    [Show full text]
  • Community Empowerment Through Research, Innovation and Open Access
    COMMUNITY EMPOWERMENT THROUGH RESEARCH, INNOVATION AND OPEN ACCESS PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON HUMANITIES AND SOCIAL SCIENCES (ICHSS 2020), MALANG, INDONESIA, 28 OCTOBER 2020 Community Empowerment through Research, Innovation and Open Access Edited by Joko Sayono & Ahmad Taufiq Universitas Negeri Malang, Indonesia Luechai Sringernyuang Mahidol University, Thailand Muhamad Alif Haji Sismat Universiti Islam Sultan Sharif Ali, Brunei Darussalam Zawawi Isma’il Universiti Teknologi Malaysia, Malaysia Francis M. Navarro Ateneo De Manila University, Philippines Agus Purnomo & Idris Universitas Negeri Malang, Indonesia CRC Press/Balkema is an imprint of the Taylor & Francis Group, an informa business © 2021 selection and editorial matter, the Editors; individual chapters, the contributors Typeset by MPS Limited, Chennai, India The Open Access version of this book, available at www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license. Although all care is taken to ensure integrity and the quality of this publication and the information herein, no responsibility is assumed by the publishers nor the author for any damage to the property or persons as a result of operation or use of this publication and/or the information contained herein. Library of Congress Cataloging-in-Publication Data A catalog record has been requested for this book Published by: CRC Press/Balkema Schipholweg 107C, 2316 XC Leiden, The Netherlands e-mail: [email protected] www.routledge.com – www.taylorandfrancis.com ISBN: 978-1-032-03819-3 (Hbk) ISBN: 978-1-032-03820-9 (Pbk) ISBN: 978-1-003-18920-6 (eBook) DOI: 10.1201/9781003189206 Community Empowerment through Research, Innovation and Open Access – Sayono et al (Eds) © 2021 Copyright the Editor(s), ISBN 978-1-032-03819-3 Table of contents Preface ix Acknowledgement xi Scientific committee xiii Organizing committee xv Empowering translation students through the use of digital technologies 1 M.A.H.
    [Show full text]
  • Download Fulltext
    ISSN 2413-0877 Volume 2 (2015) 192-197 The 3rd International Conference on Biological Science 2013 (The 3rd ICBS-2013) NEW REPORT ON THE DISTRIBUTION OF RARE BIRD SPECIES IN TAHURA RADEN SOERJO, EAST Heru Cahyono, Haris Eka Pramudhita , Windri Hermadiyanti Malang Eyes Lapwing (MEL) Bird Study Group, Biology Department, Faculty of Mathematics and Science, State University of Malang, Jl. Semarang 5, Malang, Indonesia 65145. Heru Cahyono: [email protected] ABSTRACT The latest information about the distribution of a less-recorded Java-dwelling bird species found in Tahura Raden Soerjo (East Java) is noteworthy additional information in the field of ornithology. Observations were conducted in the Cangar tourism site, along the main road linking Pacet and Batu, as well as in the northern area of Tahura Raden Soerjo, which includes the hiking trails of the Welirang-Arjuno mountains. The birds with minimum records are the Hill Myna (Gracula religiosa), Thick-billed Flowerpecker (Dicaeum agile), Yellow-vented Flowerpecker (Dicaeum chryssorheum), Sunda Thrush (Zoothera andromedae), Narcissus Flycatcher (Ficedula narcissina), Brown Wood-owl (Strix leptogrammica), Oriental Bay-owl (Phodilus badius), and Rhinoceros Hornbill (Buceros rhinoceros). Several findings are supported with detailed documentations and direct observation data that can be accounted for. This information denotes that Tahura Raden Soerjo is a potential hotspot to be preserved for the sake of the rare bird species and the other biodiversity. Keywords: Tahura Raden Soerjo, sighting reports, distribution, observation INTRODUCTION The number of published information on the bird species list in Tahura Raden Soerjo has been meager, given the fact that the area covers more than 27,868.30 Ha (UPT TRS, 2011).
    [Show full text]
  • Javan Leopard PHVA Provisional Report May2020.Pdf
    Conservation Planning Workshops for the Javan Leopard (Panthera pardus melasCon) Provisional Report Workshop organizers: IUCN Conservation Planning Specialist Group; Taman Safari Indonesia Institutional support provided by: Copenhagen Zoo, Indonesian Ministry of Forestry, Taman Safari Indonesia, Tierpark Berlin Cover photo: Javan leopard, Taman Nasional Baluran, courtesy of Copenhagen Zoo IUCN encourages meetings, workshops and other fora for the consideration and analysis of issues related to conservation, and believes that reports of these meetings are most useful when broadly disseminated. The opinions and views expressed by the authors may not necessarily reflect the formal policies of IUCN, its Commissions, its Secretariat or its members. The designation of geographical entities in this book, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of IUCN concerning the legal status of any country, territory, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. © Copyright CPSG 2020 Traylor-Holzer, K., B. Holst, K. Leus and K. Ferraz (eds.). 2020. Conservation Planning Workshops for the Javan Leopard (Panthera pardus melas) Provisional Report. IUCN SSC Conservation Planning Specialist Group, Apple Valley, MN. A PDF of this document can be downloaded at: www.cpsg.org. Conservation Planning Workshops for the Javan Leopard (Panthera pardus melas) Jakarta, Indonesia Species Distribution Modeling and Population Viability Analysis Workshop 28 – 29
    [Show full text]
  • Forest Conservation Management Using SWOT Analysis and QSPM Matrix (Case Study in the Baluran National Park, East Java, Indonesia) Adil Siswanto
    Chapter Forest Conservation Management Using SWOT Analysis and QSPM Matrix (Case Study in the Baluran National Park, East Java, Indonesia) Adil Siswanto Abstract The Quantitative Strategic Planning Matrix (QSPM) has been succeeded and implemented by the Baluran National Park (BNP) managers as an institution strategy. This study wants to discuss the internal and external factor evaluation and the priority strategy analysis of forest conservation management using a survey method with collection of data by a questionnaire with a proportional random of 170 respondents of households. They are 120 as a member of Forestry Community. Training Center and 50 respondents of local government and staff of BNP. Priority strategy analysis consists of (1) optimizing the public participation to save the natural tourism, (2) the transparency and accountably to maximize the conserva- tion effort and the implementation of sustainable tourism, and (3) optimization the resources as a tourist attraction. The practical implications are provided information to a manager or related parties of the importance of internal and external factors that affect the success of management strategy plan. Originalities of this research are the internal and external factors, performing plotting on a matrix internal- external, as well as considering and comparing the external and internal factors in the SWOT matrix. The results can be taken by a decision in the formulation of priority strategies by using analysis of QSPM. Keywords: forest, conservation, management, quantitative strategic planning matrix 1. Introduction According to [1], National Park is a conservation area that has different types of flora and fauna that can be relied upon to ensure the survival of human beings in the present and in the future.
    [Show full text]
  • Indonesia 12
    ©Lonely Planet Publications Pty Ltd Indonesia Sumatra Kalimantan p509 p606 Sulawesi Maluku p659 p420 Papua p464 Java p58 Nusa Tenggara p320 Bali p212 David Eimer, Paul Harding, Ashley Harrell, Trent Holden, Mark Johanson, MaSovaida Morgan, Jenny Walker, Ray Bartlett, Loren Bell, Jade Bremner, Stuart Butler, Sofia Levin, Virginia Maxwell PLAN YOUR TRIP ON THE ROAD Welcome to Indonesia . 6 JAVA . 58 Malang . 184 Indonesia Map . 8 Jakarta . 62 Around Malang . 189 Purwodadi . 190 Indonesia’s Top 20 . 10 Thousand Islands . 85 West Java . 86 Gunung Arjuna-Lalijiwo Need to Know . 20 Reserve . 190 Banten . 86 Gunung Penanggungan . 191 First Time Indonesia . 22 Merak . 88 Batu . 191 What’s New . 24 Carita . 88 South-Coast Beaches . 192 Labuan . 89 If You Like . 25 Blitar . 193 Ujung Kulon Month by Month . 27 National Park . 89 Panataran . 193 Pacitan . 194 Itineraries . 30 Bogor . 91 Around Bogor . 95 Watu Karang . 195 Outdoor Adventures . 36 Cimaja . 96 Probolinggo . 195 Travel with Children . 52 Cibodas . 97 Gunung Bromo & Bromo-Tengger-Semeru Regions at a Glance . 55 Gede Pangrango National Park . 197 National Park . 97 Bondowoso . 201 Cianjur . 98 Ijen Plateau . 201 Bandung . 99 VANY BRANDS/SHUTTERSTOCK © BRANDS/SHUTTERSTOCK VANY Kalibaru . 204 North of Bandung . 105 Jember . 205 Ciwidey & Around . 105 Meru Betiri Bandung to National Park . 205 Pangandaran . 107 Alas Purwo Pangandaran . 108 National Park . 206 Around Pangandaran . 113 Banyuwangi . 209 Central Java . 115 Baluran National Park . 210 Wonosobo . 117 Dieng Plateau . 118 BALI . 212 Borobudur . 120 BARONG DANCE (P275), Kuta & Southwest BALI Yogyakarta . 124 Beaches . 222 South Coast . 142 Kuta & Legian . 222 Kaliurang & Kaliadem . 144 Seminyak .
    [Show full text]
  • Java and Bali 2013 + Short Notes About How to See Rinjani Scops-Owl
    Java and Bali, July 2013 + short notes on Rinjani Scops-owl on Lombok. Lieven De Temmerman, Belgium Aknowledgements Hans Matheve for bird sounds, Geert Beckers and Kevin Lambeets for some extra information, Jan van der Laan for directions in his report on Rinjani Scops-owl and the people at Freddie’s Guesthouse for hospitality. Introduction For most birdwatchers, Java and Bali are the very first destinations they visit in Indonesia. Sadly, these islands are heavily deforested, have almost no ground birds and not a lot of bigger bird species, and there are less species than on the other greater Sunda islands of Sumatra and Borneo. Nevertheless, travelling in Java and Bali is relatively easy, and the birding locations are well known and still very rewarding. I travelled from Yogjakarta, along Mt Bromo, Baluran and Mount Ijen to the well-known Bali Barat national park, and looked around Ubud and the Gili islands a little bit for birds while enjoying a nature-culture holiday with my girlfriend. After this, I spent some days of hardcore birdwatching on the slopes of Gunung Gede, West-Java. Practicalities In order to cover all the endemic species of Java and Bali, one needs to visit several key birding sites in both countries. At minimum, one should visit the following sites (more information on the excellent Burung-Nusantara website: Muara Angke, a marsh area in downtown Jakarta that offers the best chances for Sunda Coucal and a lot of other marsh/wader birds. Gunung Halimun for Javan Hawk-eagle, White-bellied Fantail, Javan Leafbird, Brown-headed Barbet, but especially for White-breasted Babbler (which cannot be found in Carita anymore, and since it is a bird confined to lowlands, cannot be found on Gede).
    [Show full text]
  • Cercopithecidae)
    Contributions to Zoology, 69 (3) 157-177 (2000) SPB Academic Publishing bv, The Hague Geographic distribution of ebony leaf monkey Trachypithecus auratus (E. Geoffroy Saint-Hilaire, 1812) (Mammalia: Primates: Cercopithecidae) Vincent Nijman Institute for Systematics ami Population Biology (Zoological Museum), University ofAmsterdam, P.O. Box 94766, 1090 GT Amsterdam, The Netherlands Key words: Bali, Colobinae, colobine monkeys, distribution, Indonesia, Java, langur, Lombok, primates Abstract Introduction As one ofthe fundamental units ofecology and biogeography, Being located in the extreme east of the Sundaic the geographicdistributionofthe endemic and threatened ebony subregion, Java and Bali are the most isolated of leaf monkey Trachypithecus auratus (E. Geoffroy Saint-Hilaire, land the remaining masses and also furthest from 1812) on the islands of Java, Bali, and Lombok (Indonesia) has the Asian been mainland. Java harbours a im- assessed. All localities where the species has been collected slightly are non-human fauna listed, and forty-two areas (each in itself consisting of poverished primate compared to numerous smaller where the has been recorded the other sites) species Sundaic islands. There are 5 species, are discussed. The forest species occurs in a large variety of including one nocturnal prosimian, the slow loris types, including mangrove, beach, and freshwater swamp forest; 13 Nycticebus coucang, compared to species on everwet lowland and hill forest; dry decidious forest; montane forest Borneo and 12-13 species on mainland Sumatra; to - up 3,000 3,500 m a.s.l.; and in some forest plantations (teak the exact number the Tectona grandis, rasamala Altingia excelsa, acacia Aca- species depends on taxonomy cia spp).
    [Show full text]
  • Proof of Acacia Nilotica Stand Expansion in Bekol Savanna, Baluran National Park, East Java, Indonesia Through Remote Sensing and Field Observations
    BIODIVERSITAS ISSN: 1412-033X Volume 17, Number 1, April 2016 E-ISSN: 2085-4722 Pages: 96-101 DOI: 10.13057/biodiv/d170114 Proof of Acacia nilotica stand expansion in Bekol Savanna, Baluran National Park, East Java, Indonesia through remote sensing and field observations SUTOMO1,2,♥, EDDIE VAN ETTEN2, LUTHFI WAHAB3 1Eka Karya Bali Botanical Garden, Indonesian Institute of Sciences (LIPI), Candikuning, Baturiti, Tabanan 82191, Bali, Indonesia. Tel. +62-368- 2033211, ♥email: [email protected] 2School of Natural Sciences, Edith Cowan University, Joondalup Drive, Perth Western Australia 3Postgraduate Studies, Faculty of Geography, Gadjah Mada University, Bulaksumur, Yogyakarta 55281, Indonesia Manuscript received: 17 December 2015. Revision accepted: 12 February 2016. Abstract. Sutomo, van Etten E, Wahab L. 2016. Proof of Acacia nilotica stand expansion in Bekol Savanna, Baluran National Park, East Java, Indonesia through remote sensing and field observations. Biodiversitas 17: 96-101. One of woody species that is known to inhabit certain savanna ecosystems is Acacia nilotica. The Acacia nilotica tree is widespread in the northern savannah regions, and its range extends from Mali to Sudan and Egypt. Acacia nilotica was first introduced to Java Island in 1850. It then spread to Bali, East Nusa Tenggara, Timor and Papua. Found in grasslands, savanna is reported as important colonizer at Baluran National Park in East Java and Wasur National Park Papua. We conducted Vegetation analysis in three areas of the Baluran Savanna namely: Grazed, burned and unburnt. Our observation result analysis showed that in terms of the three most important tree species in all of the sites that we sampled (grazed, burnt and unburnt savannas) Acacia nilotica appeared in each of these sites.
    [Show full text]
  • Savana Taman Nasional Baluran
    B I O D I V E R S I T A S ISSN: 1412-033X Volume 3, Nomor 1 Januari 2002 Halaman: 207-212 Savana Taman Nasional Baluran Baluran Nasional Park Savanna M. YUSUF SABARNO Balai Taman Nasional Baluran, Jawa Timur Diterima: 20 Pebruari 2001. Disetujui: 23 Juni 2001 ABSTRACT One of the biodiversity richness in Indonesia is ecosystem of Baluran National Park savanna. This type of savanna is similar to African savanna that is included in tropical savanna. There are two types of savanna, namely flat and undulating savanna. The savanna ecosystem that covers about 40% of the total area of Baluran National Park has important role on supporting herbivore animals such as wild cattle (Bos javanicus), deer (Cervus timorensis) and wild buffalo (Bubalus bubalis). The variety of grasses and other vegetation provide food for those animals, therefore, the reduction of the reduction of quality and quantity of the savanna would reduce in the population of the herbivores. The savanna in the Baluran National Park is about 10.000 ha, however, due to invasion of Acacia nilotica has resulted in the reduction of the savanna reaching about 50%. Moreover, illegal grassing inside the Park has brought negative impact to the quality of the area and the wild fauna. Overgrazing may influence on the reduction of the population of wild fauna. Pressure to the savanna has a great impact on the balance and preservation of whole ecosystem in Baluran. Efforts have been made in order to restore the Baluran ecosystem such as preventing the expansion of A. nilotica as well as preventing illegal grazing.
    [Show full text]