动物学研究（Dongwuxue Yanjiu） 第 34 卷第 6 期 2013 年 12 月
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FLOODPLAIN RIVER FOOD WEBS IN THE LOWER MEKONG BASIN A Dissertation by CHOULY OU Submitted to the Office of Graduate and Professional Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Chair of Committee, Kirk O. Winemiller Committee Members, Masami Fujiwara Thomas D. Olszewski Daniel L. Roelke Head of Department, Michael Masser December 2013 Major Subject: Wildlife and Fisheries Sciences Copyright 2013 Chouly Ou ABSTRACT The Mekong River is one of the world’s most important rivers in terms of its size, economic importance, cultural significance, productivity, and biodiversity. The Mekong River’s fisheries and biodiversity are threatened by major hydropower development and over-exploitation. Knowledge of river food web ecology is essential for management of the impacts created by anthropogenic activities on plant and animal populations and ecosystems. In the present study, I surveyed four tropical rivers in Cambodia within the Mekong River Basin. I examined the basal production sources supporting fish biomass in the four rivers during the dry and wet seasons and explored the relationship between trophic position and body size of fish at various taxonomic levels, among local species assemblages, and across trophic guilds. I used stable isotopes of carbon and nitrogen to estimate fish trophic levels and the principal primary production sources supporting fishes. My study provides evidence that food web dynamics in tropical rivers undergo significant seasonal shifts and emphasizes that river food webs are altered by dams and flow regulation. Seston and benthic algae were the most important production sources supporting fish biomass during the dry season, and riparian macrophytes appeared to be the most important production source supporting fishes during the wet season. -
Comparison of Evolutionary Rates in the Mitochondrial DNA Cytochrome B Gene and Control Region and Their Implications for Phylog
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Institute of Hydrobiology, Chinese Academy Of Sciences Molecular Phylogenetics and Evolution 39 (2006) 347–357 www.elsevier.com/locate/ympev Comparison of evolutionary rates in the mitochondrial DNA cytochrome b gene and control region and their implications for phylogeny of the Cobitoidea (Teleostei: Cypriniformes) Qiongying Tang a,b, Huanzhang Liu a,¤, Richard Mayden c, Bangxi Xiong b a Institute of Hydrobiology, Chinese Academy of Sciences, Hubei, Wuhan 430072, PR China b College of Fishery, Huazhong Agricultural University, Hubei, Wuhan 430070, PR China c Department of Biology, Saint Louis University, 3507 Laclede Ave., St. Louis, MO 63103-2010, USA Received 6 July 2005; revised 15 August 2005; accepted 18 August 2005 Available online 4 October 2005 Abstract It is widely accepted that mitochondrial DNA (mtDNA) control region evolves faster than protein encoding genes with few excep- tions. In the present study, we sequenced the mitochondrial cytochrome b gene (cyt b) and control region (CR) and compared their rates in 93 specimens representing 67 species of loaches and some related taxa in the Cobitoidea (Order Cypriniformes). The results showed that sequence divergences of the CR were broadly higher than those of the cyt b (about 1.83 times). However, in considering only closely related species, CR sequence evolution was slower than that of cyt b gene (ratio of CR/cyt b is 0.78), a pattern that is found to be very common in Cypriniformes. Combined data of the cyt b and CR were used to estimate the phylogenetic relationship of the Cobitoidea by maximum parsimony, neighbor-joining, and Bayesian methods. -
Beta Diversity Patterns of Fish and Conservation Implications in The
A peer-reviewed open-access journal ZooKeys 817: 73–93 (2019)Beta diversity patterns of fish and conservation implications in... 73 doi: 10.3897/zookeys.817.29337 RESEARCH ARTICLE http://zookeys.pensoft.net Launched to accelerate biodiversity research Beta diversity patterns of fish and conservation implications in the Luoxiao Mountains, China Jiajun Qin1,*, Xiongjun Liu2,3,*, Yang Xu1, Xiaoping Wu1,2,3, Shan Ouyang1 1 School of Life Sciences, Nanchang University, Nanchang 330031, China 2 Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Environmental and Chemical Engi- neering, Nanchang University, Nanchang 330031, China 3 School of Resource, Environment and Chemical Engineering, Nanchang University, Nanchang 330031, China Corresponding author: Shan Ouyang ([email protected]); Xiaoping Wu ([email protected]) Academic editor: M.E. Bichuette | Received 27 August 2018 | Accepted 20 December 2018 | Published 15 January 2019 http://zoobank.org/9691CDA3-F24B-4CE6-BBE9-88195385A2E3 Citation: Qin J, Liu X, Xu Y, Wu X, Ouyang S (2019) Beta diversity patterns of fish and conservation implications in the Luoxiao Mountains, China. ZooKeys 817: 73–93. https://doi.org/10.3897/zookeys.817.29337 Abstract The Luoxiao Mountains play an important role in maintaining and supplementing the fish diversity of the Yangtze River Basin, which is also a biodiversity hotspot in China. However, fish biodiversity has declined rapidly in this area as the result of human activities and the consequent environmental changes. Beta diversity was a key concept for understanding the ecosystem function and biodiversity conservation. Beta diversity patterns are evaluated and important information provided for protection and management of fish biodiversity in the Luoxiao Mountains. -
A Functional-Morphological Study on the Attachment, Respiration and Feeding Mechanisms in Balitorinae (Balitoridae, Teleostei)
Faculty of Sciences Department of Biology Research group: Evolutionary Morphology of Vertebrates Academic year 2012-2013 A functional-morphological study on the attachment, respiration and feeding mechanisms in Balitorinae (Balitoridae, Teleostei) De Meyer Jens Supervisor: Dr. Tom Geerinckx Thesis submitted to obtain the degree of Tutor: Dr. Tom Geerinckx Master in Biology II © Faculty of Sciences – Evolutionary Morphology of Vertebrates Deze masterproef bevat vertrouwelijk informatie en vertrouwelijke onderzoeksresultaten die toebehoren aan de UGent. De inhoud van de masterproef mag onder geen enkele manier publiek gemaakt worden, noch geheel noch gedeeltelijk zonder de uitdrukkelijke schriftelijke voorafgaandelijke toestemming van de UGent vertegenwoordiger, in casu de promotor. Zo is het nemen van kopieën of het op eender welke wijze dupliceren van het eindwerk verboden, tenzij met schriftelijke toestemming. Het niet respecteren van de confidentiële aard van het eindwerk veroorzaakt onherstelbare schade aan de UGent. Ingeval een geschil zou ontstaan in het kader van deze verklaring, zijn de rechtbanken van het arrondissement Gent uitsluitend bevoegd daarvan kennis te nemen. All rights reserved. This thesis contains confidential information and confidential research results that are property to the UGent. The contents of this master thesis may under no circumstances be made public, nor complete or partial, without the explicit and preceding permission of the UGent representative, i.e. the supervisor. The thesis may under no circumstances be copied or duplicated in any form, unless permission granted in written form. Any violation of the confidential nature of this thesis may impose irreparable damage to the UGent. In case of a dispute that may arise within the context of this declaration, the Judicial Court of© All rights reserved. -
Cambodian Journal of Natural History
Cambodian Journal of Natural History Artisanal Fisheries Tiger Beetles & Herpetofauna Coral Reefs & Seagrass Meadows June 2019 Vol. 2019 No. 1 Cambodian Journal of Natural History Editors Email: [email protected], [email protected] • Dr Neil M. Furey, Chief Editor, Fauna & Flora International, Cambodia. • Dr Jenny C. Daltry, Senior Conservation Biologist, Fauna & Flora International, UK. • Dr Nicholas J. Souter, Mekong Case Study Manager, Conservation International, Cambodia. • Dr Ith Saveng, Project Manager, University Capacity Building Project, Fauna & Flora International, Cambodia. International Editorial Board • Dr Alison Behie, Australia National University, • Dr Keo Omaliss, Forestry Administration, Cambodia. Australia. • Ms Meas Seanghun, Royal University of Phnom Penh, • Dr Stephen J. Browne, Fauna & Flora International, Cambodia. UK. • Dr Ou Chouly, Virginia Polytechnic Institute and State • Dr Chet Chealy, Royal University of Phnom Penh, University, USA. Cambodia. • Dr Nophea Sasaki, Asian Institute of Technology, • Mr Chhin Sophea, Ministry of Environment, Cambodia. Thailand. • Dr Martin Fisher, Editor of Oryx – The International • Dr Sok Serey, Royal University of Phnom Penh, Journal of Conservation, UK. Cambodia. • Dr Thomas N.E. Gray, Wildlife Alliance, Cambodia. • Dr Bryan L. Stuart, North Carolina Museum of Natural Sciences, USA. • Mr Khou Eang Hourt, National Authority for Preah Vihear, Cambodia. • Dr Sor Ratha, Ghent University, Belgium. Cover image: Chinese water dragon Physignathus cocincinus (© Jeremy Holden). The occurrence of this species and other herpetofauna in Phnom Kulen National Park is described in this issue by Geissler et al. (pages 40–63). News 1 News Save Cambodia’s Wildlife launches new project to New Master of Science in protect forest and biodiversity Sustainable Agriculture in Cambodia Agriculture forms the backbone of the Cambodian Between January 2019 and December 2022, Save Cambo- economy and is a priority sector in government policy. -
FAMILY Balitoridae Swainson, 1839
FAMILY Balitoridae Swainson, 1839 - hillstream and river loaches [=Balitorinae, Homalopterini, Sinohomalopterini, Homalopteroidini] GENUS Balitora Gray, 1830 - stone loaches [=Sinohomaloptera] Species Balitora annamitica Kottelat, 1988 - annamitica stone loach Species Balitora brucei Gray, 1830 - Gray's stone loach [=anisura, maculata] Species Balitora burmanica Hora, 1932 - Burmese stone loach [=melanosoma] Species Balitora chipkali Kumar et al., 2016 - Kali stone loach Species Balitora eddsi Conway & Mayden, 2010 - Gerwa River stone loach Species Balitora elongata Chen & Li, in Li & Chen, 1985 - elongate stone loach Species Balitora haithanhi Nguyen, 2005 - Gam River stone loach Species Balitora jalpalli Raghavan et al., 2013 - Silent Valley stone loach Species Balitora kwangsiensis (Fang, 1930) - Kwangsi stone loach [=heteroura, hoffmanni, nigrocorpa, songamensis] Species Balitora lancangjiangensis (Zheng, 1980) - Lancangjiang stone loach Species Balitora laticauda Bhoite et al., 2012 - Krishna stone loach Species Balitora longibarbata (Chen, in Zheng et al., 1982) - Yiliang Xian stone loach Species Balitora ludongensis Liu & Chen, in Liu et al., 2012 - Qilong River stone loach Species Balitora meridionalis Kottelat, 1988 - Chan River stone loach Species Balitora mysorensis Hora, 1941 - slender stone loach Species Balitora nantingensis Chen et al., 2005 - Nanting River stone loach Species Balitora nujiangensis Zhang & Zheng, in Zheng & Zhang, 1983 - Nu-Jiang stone loach Species Balitora tchangi Zheng, in Zheng et al., 1982 - Tchang -
Copyright Warning & Restrictions
Copyright Warning & Restrictions The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Under certain conditions specified in the law, libraries and archives are authorized to furnish a photocopy or other reproduction. One of these specified conditions is that the photocopy or reproduction is not to be “used for any purpose other than private study, scholarship, or research.” If a, user makes a request for, or later uses, a photocopy or reproduction for purposes in excess of “fair use” that user may be liable for copyright infringement, This institution reserves the right to refuse to accept a copying order if, in its judgment, fulfillment of the order would involve violation of copyright law. Please Note: The author retains the copyright while the New Jersey Institute of Technology reserves the right to distribute this thesis or dissertation Printing note: If you do not wish to print this page, then select “Pages from: first page # to: last page #” on the print dialog screen The Van Houten library has removed some of the personal information and all signatures from the approval page and biographical sketches of theses and dissertations in order to protect the identity of NJIT graduates and faculty. ABSTRACT THESE FISH WERE MADE FOR WALKING: MORPHOLOGY AND WALKING KINEMATICS IN BALITORID LOACHES by Callie Hendricks Crawford Terrestrial excursions have been observed in multiple lineages of marine and freshwater fishes. These ventures into the terrestrial environment may be used when fish are searching out new habitat during drought, escaping predation, laying eggs, or seeking food sources. -
Diet of Leptobotia Elongata Revealed by Stomach Content Analysis and Inferred from Stable Isotope Signatures
Environ Biol Fish (2015) 98:1965–1978 DOI 10.1007/s10641-015-0414-4 Diet of Leptobotia elongata revealed by stomach content analysis and inferred from stable isotope signatures L. Li & Q. Wei Wei & J. Ming Wu & H. Zhang & Y. Liu & X. Xie Received: 4 July 2014 /Accepted: 16 April 2015 /Published online: 8 May 2015 # Springer Science+Business Media Dordrecht 2015 Abstract The diet of Leptobotia elongata in the Yibin shift to piscivory at c.110 mm standard length was found reach of the Yangtze River, China was investigated by using the stable isotope mixing model to reveal dietary stomach content analysis and by stable isotope analysis ontogeny by IsoSource software, and the trend in varia- from muscle. The results of the two methods were agree- tion of the δ13Candδ15N was similar with increased ment. Both stomach contents and isotope analysis indi- body length, and the plankton is important prey item in cated that L. elongata fedinspringmainlyonplankton, all size classes. The δ13Candδ15Nvaluesinsimilar shrimp and fish, and secondarily on benthic invertebrates sized individuals showed significant seasonal differences and aquatic insect larvae. For the stomach content anal- (δ13C, ANOVA, F=76.33,p<0.001 and δ15N, ANOVA, ysis, the diet composition showed significant differences F=144.56, p<0.001), indicating a temporal dietary and among the size classes in relative weight of prey items, trophic level shift. L. elongata is an important commer- with L. elongata changing feeding habits at c.110 mm cial species, and the results of the study form part of a standard length. The smaller individuals fed on benthic detailed investigation of feeding ecology of L. -
A Review on Conservation Issues in the Upper Yangtze River – a Last
J. Appl. Ichthyol. 22 (Suppl. 1) (2006), 32-39 Received; January 30, 2006 © 2006 Blackwell Verlag, Berlin Accepted: August 28, 2006 ISSN 0175-8659 A review on conservation issues in the upper Yangtze River – a last chance for a big challenge: Can Chinese paddlefish (Psephurus gladius), Dabry´s sturgeon, (Acipenser dabryanus) and other fish species still be saved? By Xiang-guo Fan1,3, Qi-wei Wei*2, Jianbo Chang4, Harald Rosenthal5, Jian-Xiang He3, Da-Qing Chen2, Li Shen2, Hao Du2 and De-Guo Yang2 1Ocean University of China, Qingdao 266003, China; 2Key Laboratory of Freshwater Fish Germplasm Resources and Bio- technology, Ministry of Agriculture of China. Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Sci- ence, Jingzhou, Hubei 434000 China; 3Conservation Office of Aquatic Wild Fauna and Flora, Ministry of Agriculture, Beijing 100026, China; 4Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences, Wuhan 430079, China; 5The World Sturgeon Conservation Society, Schifferstrasse 48, 21629 Neu Wulmstorf, Germany Summary ing biodiversity. By 2000, there were globally about 30,000 pro- tected areas assigned, encompassing over 13,250,000 km2 of the Considerations on conserving biodiversity are presently of central land surface and representing about 8% of land area of the planet. concern to ecologists and are also frequently debated among A much smaller proportion of the world’s water resource areas aquatic biologists and resource use scientists. In this paper we pro- (0.25%) are protected (Green and Paine, 1997; Orians and Soulé, vide an overview of the state of knowledge on the biodiversity, 2001). In China, nature reserves are now classified into forests and mainly of fish species in the upper Yangtze River system and their others vegetation reserves, natural and historic reliques reserve and level of endangered status as well as some overall data on other wild animals reserves. -
Diversity and Risk Patterns of Freshwater Megafauna: a Global Perspective
Diversity and risk patterns of freshwater megafauna: A global perspective Inaugural-Dissertation to obtain the academic degree Doctor of Philosophy (Ph.D.) in River Science Submitted to the Department of Biology, Chemistry and Pharmacy of Freie Universität Berlin By FENGZHI HE 2019 This thesis work was conducted between October 2015 and April 2019, under the supervision of Dr. Sonja C. Jähnig (Leibniz-Institute of Freshwater Ecology and Inland Fisheries), Jun.-Prof. Dr. Christiane Zarfl (Eberhard Karls Universität Tübingen), Dr. Alex Henshaw (Queen Mary University of London) and Prof. Dr. Klement Tockner (Freie Universität Berlin and Leibniz-Institute of Freshwater Ecology and Inland Fisheries). The work was carried out at Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Germany, Freie Universität Berlin, Germany and Queen Mary University of London, UK. 1st Reviewer: Dr. Sonja C. Jähnig 2nd Reviewer: Prof. Dr. Klement Tockner Date of defense: 27.06. 2019 The SMART Joint Doctorate Programme Research for this thesis was conducted with the support of the Erasmus Mundus Programme, within the framework of the Erasmus Mundus Joint Doctorate (EMJD) SMART (Science for MAnagement of Rivers and their Tidal systems). EMJDs aim to foster cooperation between higher education institutions and academic staff in Europe and third countries with a view to creating centres of excellence and providing a highly skilled 21st century workforce enabled to lead social, cultural and economic developments. All EMJDs involve mandatory mobility between the universities in the consortia and lead to the award of recognised joint, double or multiple degrees. The SMART programme represents a collaboration among the University of Trento, Queen Mary University of London and Freie Universität Berlin. -
SCIENCE CHINA Revision of Cyprinus Maomingensis Liu 1957
SCIENCE CHINA Earth Sciences • RESEARCH PAPER • July 2015 Vol.58 No.7: 1123–1132 doi: 10.1007/s11430-015-5085-7 Revision of Cyprinus maomingensis Liu 1957 and the first discovery of Procypris-like cyprinid (Teleostei, Pisces) from the late Eocene of South China CHEN GengJiao1,4*, CHANG Mee-Mann2 & LIU HuanZhang3 1 Natural History Museum of Guangxi Zhuang Autonomous Region, Nanning 530012, China; 2 Key Laboratory of Vertebrate Evolutionary and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China; 3 Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; 4 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China Received August 25, 2014; accepted December 30, 2014; published online May 4, 2015 Fossil cyprinids from the upper part of the upper Eocene Youganwo Formation of Maoming, Guangdong, China were first studied in 1957 by Liu, who referred the only specimen to the genus Cyprinus as a new species, C. maomingensis. And this was suggested as one of the earliest records for fossil cyprinids. Unfortunately, this specimen is poorly preserved and reveals no more morphological information than its serrated last unbranched dorsal and anal fin rays. Recently, some new specimens were unearthed from the same locality, where C. maomingensis was discovered. In addition to the serrated dorsal and anal fin rays, these new materials also show that the pattern and shape of their pharyngeal teeth obviously differ from that of Cyprinus but resemble that of Procypris. However, its number of the branched dorsal fin rays and number of vertebrae are much less than that in Procypris. -
Employing Geographical Information Systems in Fisheries Management in the Mekong River: a Case Study of Lao PDR
Employing Geographical Information Systems in Fisheries Management in the Mekong River: a case study of Lao PDR Kaviphone Phouthavongs A thesis submitted in partial fulfilment of the requirement for the Degree of Master of Science School of Geosciences University of Sydney June 2006 ABSTRACT The objective of this research is to employ Geographical Information Systems to fisheries management in the Mekong River Basin. The study uses artisanal fisheries practices in Khong district, Champasack province Lao PDR as a case study. The research focuses on integrating indigenous and scientific knowledge in fisheries management; how local communities use indigenous knowledge to access and manage their fish conservation zones; and the contribution of scientific knowledge to fishery co-management practices at village level. Specific attention is paid to how GIS can aid the integration of these two knowledge systems into a sustainable management system for fisheries resources. Fieldwork was conducted in three villages in the Khong district, Champasack province and Catch per Unit of Effort / hydro-acoustic data collected by the Living Aquatic Resources Research Centre was used to analyse and look at the differences and/or similarities between indigenous and scientific knowledge which can supplement each other and be used for small scale fisheries management. The results show that GIS has the potential not only for data storage and visualisation, but also as a tool to combine scientific and indigenous knowledge in digital maps. Integrating indigenous knowledge into a GIS framework can strengthen indigenous knowledge, from un processed data to information that scientists and decision-makers can easily access and use as a supplement to scientific knowledge in aquatic resource decision-making and planning across different levels.