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I What Is a Crocodilian?
I WHAT IS A CROCODILIAN? Crocodilians are the only living representatives of the Archosauria group (dinosaurs, pterosaurs, and thecodontians), which first appeared in the Mesozoic era. At present, crocodiliams are the most advanced of all reptiles because they have a four-chambered heart, diaphragm, and cerebral cortex. The extent morphology reflects their aquatic habits. Crocodilians are elongated and armored with a muscular, laterally shaped tail used in swimming. The snout is elongated, with the nostrils set at the end to allow breathing while most of the body remains submerged. Crocodilians have two pairs of short legs with five toes on the front and four tows on the hind feet; the toes on all feet are partially webbed. The success of this body design is evidenced by the relatively few changes that have occurred since crocodilians first appeared in the late Triassic period, about 200 million years ago. Crocodilians are divided into three subfamilies. Alligatorinae includes two species of alligators and five caiman. Crocodylinae is divided into thirteen species of crocodiles and on species of false gharial. Gavialinae contains one species of gharial. Another way to tell the three groups of crocodilians apart is to look at their teeth. II PHYSICAL CHARACTERISTICS A Locomotion Crocodilians spend time on land primarily to bask in the sun, to move from one body of water to another, to escape from disturbances, or to reproduce. They use three distinct styles of movement on land. A stately high walk is used when moving unhurried on land. When frightened, crocodilians plunge down an embankment in an inelegant belly crawl. -
FILE Py Public Disclosure Authorized Report No
Documrent of The World Bank FOROFF:ICIAL USE ONLY FILE Py Public Disclosure Authorized Report No. 2475-BO Public Disclosure Authorized STAFF APPRAISAL REPORT BOLIVIA OMASUYOS-LOS ANDES RURAL DEVELOPMENT PRO.JECT Public Disclosure Authorized Ma.y 24, 1979 Public Disclosure Authorized Projects Department Latín America and Caribbean Regional Office This document has a restricted distribution and may be used by recipients only in the performance of their official duties. Its contents may not otherwise be disclosed without Worid Bank authorization. CURRENCY EQUIVALENTS US$1.00 = $b 20.00 (Bolivian Pesos) $b 1.00 = US$0.05 WEIGHTS AND MEASURES Metric System GLOSSARY OF ABBREVIATIONS BAB - Agricultural Bank of Bolivia CDF - Forestry Development Center CIPCA - Central Investigation and Promotion of Farmers CONEPLAN - Ministry of Planning and Coordínation CORDEPAZ - Development Corporation of La Paz DESEC - Center for Social and Economic Development FOMO - National Manpower Services IBTA - Bolivian Institute for Agricultural Technology IICA - Inter-American Institute for Agricultural Sciences IFAD - International Fund for Agricultural Development INBOPIA - National Institute for Handicrafts and Small Industries INC - National Colonization Institute INFOL - National Institute for the Development of Wool MACA - Ministry of Peasant Affairs and Agriculture MPSSP - Ministry of Social Security and Public Health PAN - Northern Altiplano Project PIL - Industrialized Milk Plant SNC - National Road Service SNDC - National Community Development Service FISCAL YEAR January 1 - December 31 FOR, OFFICIAL USE ONLY BOLIVIA OMASUYOS-LOSANDES RURAL DEVELOPMENTPROJECT STAFF APPRAISAL REPORT Table of Contents Page No. I. BACKGROUND ............................................... 1 A. Sector Characteristics, and Recent Performance ........ 1 B. The Policy Framework ................................ 4 C. Main Development Constraints ........................ 5 D. Development Strategy and Bank Assistance ... -
Trends in Livelihood Changes in Association with Recent Technical Actions1
R8362 VINCOSER Validation and communication of a community-led mechanism for livelihood improvement of remote marginalised communities in Bolivia A collaborative project with staff from PROMETA (Tarija), the School of Geography of the University of Leeds and the University of Greenwich, Natural Resources Institute. TRENDS IN LIVELIHOOD CHANGES IN ASSOCIATION WITH RECENT TECHNICAL ACTIONS1 David Preston, Tania de la Fuente and Sabine Gündel Working Paper 05/02 Revised April 2005 1 This document is an output from a project funded by the UK Department for International Development (DFID) for the benefit of developing countries. The views expressed are not necessarily those of DFID Introduction.................................................................................................3 Tacuarita, Pujzara and Pueblo Viejo ...................................................4 Social stratification and livelihood strategies ................................................7 Natural hazards threatening household and individual security ......................................................................... Error! Bookmark not defined. Technical actions...................................... Error! Bookmark not defined. Evaluation of technical actions through field interviews and observation.................................................. Error! Bookmark not defined. Results ......................................................... Error! Bookmark not defined. Trends in changes in livelihoods.......... Error! Bookmark not defined. Tendencies -
Historical Biology Crocodilian Behaviour: a Window to Dinosaur
This article was downloaded by: [Watanabe, Myrna E.] On: 11 March 2011 Access details: Access Details: [subscription number 934811404] Publisher Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37- 41 Mortimer Street, London W1T 3JH, UK Historical Biology Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713717695 Crocodilian behaviour: a window to dinosaur behaviour? Peter Brazaitisa; Myrna E. Watanabeb a Yale Peabody Museum of Natural History, New Haven, CT, USA b Naugatuck Valley Community College, Waterbury, CT, USA Online publication date: 11 March 2011 To cite this Article Brazaitis, Peter and Watanabe, Myrna E.(2011) 'Crocodilian behaviour: a window to dinosaur behaviour?', Historical Biology, 23: 1, 73 — 90 To link to this Article: DOI: 10.1080/08912963.2011.560723 URL: http://dx.doi.org/10.1080/08912963.2011.560723 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.informaworld.com/terms-and-conditions-of-access.pdf This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material. -
Federal Register/Vol. 65, No. 87/Thursday, May 4, 2000/Rules
Federal Register / Vol. 65, No. 87 / Thursday, May 4, 2000 / Rules and Regulations 25867 List of Subjects in 47 CFR Part 73 CITES Universal Tagging System on June 2, 1970 (35 FR 8495). (At the Television broadcasting, Digital Resolution for crocodilian skins time of the original listing, Peru was television broadcasting. (adopted at the ninth meeting of the incorrectly listed as one of the range Conference of the Parties) as well as countries, whereas Paraguay was Federal Communications Commission. provisions intended to support excluded. In this final rule, we correct Magalie Roman Salas, sustainable management of wild that situation.) On July 1, 1975, it was Secretary. populations of the above three caiman also placed in Appendix II of the [FR Doc. 00±11099 Filed 5±3±00; 8:45 am] species/subspecies. In the case where Convention on International Trade in BILLING CODE 6712±01±P tagged caiman skins and other parts are Endangered Species of Wild Fauna and exported to another country, usually for FloraÐCITES (42 FR 10465). (The tanning and manufacturing purposes, species has never been listed in CITES DEPARTMENT OF THE INTERIOR and the processed skins and finished Appendix I, which prohibits products are exported to the United international trade in the species if such Fish and Wildlife Service States, the rule prohibits importation or activity is conducted for primarily re-exportation of such skins, parts, and commercial purposes and/or 50 CFR Part 17 products if we determine that either the determined to be detrimental to the RIN 1018±AD67 country of origin or re-export is survival of the species.) The endangered engaging in practices that are listing under the Act prohibited imports Endangered and Threatened Wildlife detrimental to the conservation of and re-exports of the species into/from and Plants; Reclassification of Yacare caiman populations. -
Trypanosoma Cruzi Infection in the Human Population of the Bolivian Chaco: Four Serosurveys Over a 26-Year Period (1987-2013)
Original Article Trypanosoma cruzi infection in the human population of the Bolivian Chaco: four serosurveys over a 26-year period (1987-2013) Michele Spinicci1, Simona Gabrielli2, David Rojo3, Herlan Gamboa4, Fabio Macchioni5, Antonia Mantella1, Yunni Lara6, Ana Liz Villagrán7, Mimmo Roselli1, Marianne Strohmeyer1, Claudia Cinelli1, Giampaolo Corti1, Filippo Bartalesi8, Roberto Vargas9, Adolfo Vedia10, Paul Castellanos11, Joaquín Monasterio12, Gabriella Cancrini2, Alessandro Bartoloni1,8 1 Dipartimento di Medicina Sperimentale e Clinica, Università degli Studi di Firenze, Florence, Italy 2 Dipartimento di Sanità Pubblica e Malattie Infettive, Università di Roma Sapienza, Rome, Italy 3 Escuela de Salud del Chaco Tekove Katu, Gutierrez, Plurinational State of Bolivia 4 Facultad Integral del Chaco, Universidad Autónoma Gabriel René Moreno, Camiri, Plurinational State of Bolivia 5 Dipartimento di Scienze Veterinarie, Università degli Studi di Pisa, Pisa, Italy 6 Hospital S. Antonio de Los Sauces, Monteagudo, Plurinational State of Bolivia 7 Hospital Básico de Villa Montes, Villa Montes, Plurinational State of Bolivia 8 SOD Malattie Infettive e Tropicali, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy 9 Santa Cruz Chagas Disease Control Program, Ministry of Health, Plurinational State of Bolivia 10 Chuquisaca Chagas Disease Control Program, Ministry of Health, Plurinational State of Bolivia 11 Servicio Departamental de Salud de Tarija, Tarija, Plurinational State of Bolivia 12 Servicio Departamental de Salud de Santa Cruz, Santa Cruz, Plurinational State of Bolivia Abstract Introduction: Chagas disease (CD) remains a public health concern in several Latin American countries. At global level, Bolivia has the highest CD burden and the Chaco region, in the southeast of the country, is the most affected area. We report the results of four serosurveys for Trypanosoma cruzi antibodies, carried out approximately ten years apart from each other, during the lapse 1987-2013, in different localities of the Bolivian Chaco. -
The Respiratory Mechanics of the Yacare Caiman (Caiman Yacare) Michelle N
© 2019. Published by The Company of Biologists Ltd | Journal of Experimental Biology (2019) 222, jeb193037. doi:10.1242/jeb.193037 RESEARCH ARTICLE The respiratory mechanics of the yacare caiman (Caiman yacare) Michelle N. Reichert1,*, Paulo R. C. de Oliveira2,3, George M. P. R. Souza4, Henriette G. Moranza5, Wilmer A. Z. Restan5, Augusto S. Abe6, Wilfried Klein2 and William K. Milsom7 ABSTRACT as in the internal divisions of the body cavity (Klein and The structure and function of crocodilian lungs are unique compared Owerkowicz, 2006). Lung structure in reptiles ranges from the with those of other reptiles. We examined the extent to which this and simple edicular lungs of some lizards to the multicameral, bulliform the semi-aquatic lifestyle of crocodilians affect their respiratory lungs of the crocodilians (Perry, 1998). Despite this diversity, the mechanics. We measured changes in intratracheal pressure in lungs of reptiles in general are very compliant and most of the work adult and juvenile caiman (Caiman yacare) during static and of breathing is required to expand the body wall (Milsom and dynamic lung volume changes. The respiratory mechanics of Vitalis, 1984; Bartlett et al., 1986). The body wall of reptiles ranges juvenile caiman were additionally measured while the animals from the relatively compliant chest of some lizards to the heavily were floating in water and submerged at 30, 60 and 90 deg to the armoured chest walls of crocodilians and chelonians. water’s surface. The static compliance of the juvenile pulmonary Although the lungs of Crocodilia are amongst the most complex, −1 −1 the static lung compliance (normalized to the resting volume of the system (2.89±0.22 ml cmH2O 100 g ) was greater than that of adults (1.2±0.41 ml cmH O−1 100 g−1), suggesting that the system lung, VLR) of the Nile crocodile lies in the middle of the range 2 −1 −1 stiffens as the body wall becomes more muscular and keratinized reported for reptiles at 4.32 ml cmH2O ml VLR (Perry, 1988). -
Caiman Latirostris Daudin 1802) P
View metadata, citation and similar papers at core.ac.uk brought to you by CORE Brazilian Journal of Biology http://dx.doi.org/10.1590/1519-6984.180892provided by CONICET Digital ISSN 1519-6984 (Print) Original Article ISSN 1678-4375 (Online) Size of nesting female Broad-snouted Caimans (Caiman latirostris Daudin 1802) P. M. L. Leivaa,b, M. S. Simoncinia,b, T. C. G. Portelinhaa,c,d, A. Larrierab,e and C. I. Piñaa,b,f* aCentro de Investigaciones Científicas y Transferencia de Tecnología a la Producción – CICyTTP, Consejo Nacional de Investigaciones Científicas y Técnicas – CICyTTP, Dr. Materi y España, Diamante, Entre Ríos, Argentina bProyecto Yacaré, Laboratorio de Zoología Aplicada: Anexo Vertebrados, Facultad de Humanidades y Ciencias – FHUC, Universidad Nacional del Litoral – UNL, Aristóbulo del Valle 8700, Santa Fe, Santa Fe, Argentina cCurso de Engenharia Ambiental, Universidade Federal do Tocantins – UFT, Avenida NS-15, Quadra 109 Norte, CEP 77001-090, Palmas, TO, Brasil dEscola Politécnica, Faculdade Católica do Tocantins – FACTO, Avenida Teotônio Segurado LT 01, Bairro Centro Quadra 1402 Sul, CEP 77061-002, Palmas, TO, Brasil eMinisterio de Medio Ambiente – MMA, Patricio Cullen 6161, Santa Fe, Santa Fe, Argentina fFacultad de Ciencia y Tecnología – FCyT, Universidad Autónoma de Entre Ríos – UADER, Dr. Materi y España, Diamante, Entre Ríos, Argentina *e-mail: [email protected] Received: June 1, 2017 – Accepted: September 14, 2017 – Distributed: February 28, 2019 (With 2 figures) Abstract The southern distribution of the Broad-snouted Caiman (Caiman latirostris Daudin 1802) in Argentina occurs in Santa Fe Province, where its population has been under management by “Proyecto Yacaré” since 1990. -
Crocodylia, Alligatoridae) After a Half-Century Delay: Bridging the Gap in the Chromosomal Evolution of Reptiles
cells Article Revisiting the Karyotypes of Alligators and Caimans (Crocodylia, Alligatoridae) after a Half-Century Delay: Bridging the Gap in the Chromosomal Evolution of Reptiles Vanessa C. S. Oliveira 1 , Marie Altmanová 2,3 , Patrik F. Viana 4 , Tariq Ezaz 5 , Luiz A. C. Bertollo 1, Petr Ráb 3, Thomas Liehr 6,* , Ahmed Al-Rikabi 6, Eliana Feldberg 4, Terumi Hatanaka 1, Sebastian Scholz 7, Alexander Meurer 8 and Marcelo de Bello Cioffi 1 1 Laboratório de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos 13565-905, Brazil; [email protected] (V.C.S.O.); [email protected] (L.A.C.B.); [email protected] (T.H.); mbcioffi@ufscar.br (M.d.B.C.) 2 Department of Ecology, Faculty of Science, Charles University, 12844 Prague, Czech Republic; [email protected] 3 Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, 27721 Libˇechov, Czech Republic; [email protected] 4 Laboratório de Genética Animal, Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus 69083-000, Brazil; [email protected] (P.F.V.); [email protected] (E.F.) 5 Institute for Applied Ecology, Faculty of Science and Technology, University of Canberra, Bruce, ACT 2617, Australia; [email protected] 6 Institute of Human Genetics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany; [email protected] Citation: Oliveira, V.C.S.; 7 An der Nachtweide 16, 60433 Frankfurt, Germany; [email protected] Altmanová, M.; Viana, P.F.; Ezaz, T.; 8 Alfred Nobel Strasse 1e, 55411 Bingen am Rhein, Germany; [email protected] Bertollo, L.A.C.; Ráb, P.; Liehr, T.; * Correspondence: [email protected]; Tel.: +49-36-41-939-68-50; Fax: +49-3641-93-96-852 Al-Rikabi, A.; Feldberg, E.; Hatanaka, T.; et al. -
Crocodile Specialist Group Newsletter
CROCODILE SPECIALIST GROUP NEWSLETTER VOLUME 36 No. 1 • JANUARY 2017 - MARCH 2017 IUCN • Species Survival Commission CSG Newsletter Subscription The CSG Newsletter is produced and distributed by the Crocodile CROCODILE Specialist Group of the Species Survival Commission (SSC) of the IUCN (International Union for Conservation of Nature). The CSG Newsletter provides information on the conservation, status, news and current events concerning crocodilians, and on the SPECIALIST activities of the CSG. The Newsletter is distributed to CSG members and to other interested individuals and organizations. All Newsletter recipients are asked to contribute news and other materials. The CSG Newsletter is available as: • Hard copy (by subscription - see below); and/or, • Free electronic, downloadable copy from “http://www.iucncsg. GROUP org/pages/Publications.html”. Annual subscriptions for hard copies of the CSG Newsletter may be made by cash ($US55), credit card ($AUD55) or bank transfer ($AUD55). Cheques ($USD) will be accepted, however due to increased bank charges associated with this method of payment, cheques are no longer recommended. A Subscription Form can be NEWSLETTER downloaded from “http://www.iucncsg.org/pages/Publications. html”. All CSG communications should be addressed to: CSG Executive Office, P.O. Box 530, Karama, NT 0813, Australia. VOLUME 36 Number 1 Fax: +61.8.89470678. E-mail: [email protected]. JANUARY 2017 - MARCH 2017 PATRONS IUCN - Species Survival Commission We thank all patrons who have donated to the CSG and its conservation program over many years, and especially to CHAIRMAN: donors in 2015-2016 (listed below). Professor Grahame Webb PO Box 530, Karama, NT 0813, Australia Big Bull Crocs! ($15,000 or more annually or in aggregate donations) Japan, JLIA - Japan Leather & Leather Goods Industries EDITORIAL AND EXECUTIVE OFFICE: Association, CITES Promotion Committee & Japan Reptile PO Box 530, Karama, NT 0813, Australia Leather Industries Association, Tokyo, Japan. -
Infrasound Production by a Yacare Caiman Caiman Yacare in the Pantanal, Brazil
Herpetology Notes, volume 8: 385-387 (2015) (published online on 12 August 2015) Infrasound production by a yacare caiman Caiman yacare in the Pantanal, Brazil Christopher P. Kofron1,* and Patricia A. Farris2 The social interactions of crocodilians comprise The water dance of crocodilians has been known visual, auditory, olfactory and tactile components, since the 18th century, yet it is still the least understood including posturing, vocalizing, producing infrasounds, aspect of crocodilian communication. Specifically, headslapping, jawslapping, narial geysering, blowing it is unknown whether the water dance is a visual bubbles, and multiple other activities (e.g., Garrick component of the roaring display or a non-adaptive and Lang 1977, Kofron 1991, Thorbjarnarson and physical consequence of the infrasound production Hernandez 1993, Dinets 2013a). For long distance (Dinets 2013b). The purpose of the present paper is communication, crocodilians use a combination of to augment the knowledge of display behavior by the vocalizations, headslaps or jawslaps, and infrasound yacare caiman. (Dinets 2011a). Regarding the yacare caiman Caiman We observed infrasound production by a yacare yacare (Daudin 1802), Dinets (2011b) reported the caiman on 17 July 2014 (dry season) in the central roaring display consisted of one to three roars, and with Pantanal in western Brazil, which is a mosaic of each roar preceded by infrasound. Infrasound comprises seasonally flooded savannahs and tropical forests. We non-vocal vibrations at frequencies below the range recorded the display behavior as a series of 16 high- of human hearing and that can carry a great distance resolution photographs (300 dpi) with a 12-megapixel through the water (Dinets 2011a, 2013b). -
DISSERTAÇÃO Descrição Morfológica Do Sistema Respiratório E Do Coração Do Jacaré-Do-Pantanal
ANA CLÁUDIA ALVES DESCRIÇÃO MORFOLÓGICA DO SISTEMA RESPIRATÓRIO E DO CORAÇÃO DO JACARÉ- DO-PANTANAL (C aiman yacare, DAUDIN 1802) PROVENIENTE DE ZOOCRIADOURO LAVRAS – MG 2014 ANA CLÁUDIA ALVES DESCRIÇÃO MORFOLÓGICA DO SISTEMA RESPIRATÓRIO E DO CORAÇÃO DO JACARÉ-DO-PANTANAL (C aiman yacare, DAUDIN 1802) PROVENIENTE DE ZOOCRIADOURO Dissertação apresentada à Universidade Federal de Lavras, como parte das exigências do Programa de Pós-Graduação em Ciências Veterinárias, para a obtenção do título de Mestre. Orientador Prof. Raimundo Vicente de Sousa LAVRAS– MG 2014 Ficha Catalográfica Elaborada pela Coordenadoria de Produtos e Serviços da Biblioteca Universitária da UFLA Alves, Ana Cláudia. Descrição morfológica do sistema respiratório e do coração do jacaré-do-pantanal ( Caiman yacare , DAUDIN, 1802) proveniente de zoocriatório / Ana Cláudia Alves. – Lavras : UFLA, 2014. 77 p. : il. Dissertação (mestrado) – Univers idade Federal de Lavras, 2014. Orientador: Raimundo Vicente de Sousa. Bibliografia. 1. Réptil. 2. Réptil - Anatomia. 3. Réptil - Histologia. 4. Jacaré- do-pantanal. I. Universidade Federal de Lavras. II. Título. CDD – 597.98 ANA CLÁUDIA ALVES DESCRIÇÃO MORFOLÓGICA DO SISTEMA RESPIRATÓRIO E DO CORAÇÃO DO JACARÉ-DO-PANTANAL (C aimanyacare, DAUDIN 1802) PROVENIENTE DE ZOOCRIADOURO Dissertação apresentada à Universidade Federal de Lavras, como parte das exigências do Programa de Pós-Graduação em Ciências Veterinárias, para a obtenção do título de Mestre. APROVADA em 25 de fevereiro de 2014. Profa. Dra. Cristina Delarete Drummond - UFLA Profa. Dra. Fernanda Radicchi Campos Lobato de Almeida - UFMG Prof. Dr. Henrique Ribeiro Alves de Resende - UFLA ______________________________________ Prof. Dr. Raimundo Vicente de Sousa Orientador LAVRAS – MG 2014 Dedico este trabalho a Deus, razão da minha existência, e a minha Família, razão da minha persistência, por ajudarem-me na construção do meu caráter e por fazerem de mim quem sou.