Research and Discoveries the Revolution of Science Through Scuba
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Lipopeptides from Cyanobacteria: Structure and Role in a Trophic Cascade
Lipopeptides from Cyanobacteria : structure and role in a trophic cascade Louis Bornancin To cite this version: Louis Bornancin. Lipopeptides from Cyanobacteria : structure and role in a trophic cascade. Other. Université Montpellier, 2016. English. NNT : 2016MONTT202. tel-02478948 HAL Id: tel-02478948 https://tel.archives-ouvertes.fr/tel-02478948 Submitted on 14 Feb 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Délivré par Université de Montpellier Préparée au sein de l’école doctorale Sciences Chimiques Balard Et de l’unité de recherche Centre de Recherche Insulaire et Observatoire de l’Environnement (USR CNRS-EPHE-UPVD 3278) Spécialité : Ingénierie des Biomolécules Présentée par Louis BORNANCIN Lipopeptides from Cyanobacteria : Structure and Role in a Trophic Cascade Soutenue le 11 octobre 2016 devant le jury composé de Monsieur Ali AL-MOURABIT, DR CNRS, Rapporteur Institut de Chimie des Substances Naturelles Monsieur Gérald CULIOLI, MCF, Rapporteur Université de Toulon Madame Martine HOSSAERT-MCKEY, DR CNRS, Examinatrice, Centre d’Écologie -
APNEA TRAINING and PHYSICAL CHARACTERISTICS: ENHANCEMENT of the DIVE RESPONSE, APNEIC TIME, and RECOVERY by Nathanael Stanford A
APNEA TRAINING AND PHYSICAL CHARACTERISTICS: ENHANCEMENT OF THE DIVE RESPONSE, APNEIC TIME, AND RECOVERY by Nathanael Stanford A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Kinesiology Boise State University May 2019 © 2019 Nathanael Stanford ALL RIGHTS RESERVED BOISE STATE UNIVERSITY GRADUATE COLLEGE DEFENSE COMMITTEE AND FINAL READING APPROVALS of the thesis submitted by Nathanael Stanford Thesis Title: Apnea Training and Physical Characteristics: Enhancement of The Dive Response, Apneic Time, and Recovery Date of Final Oral Examination: 08 March 2019 The following individuals read and discussed the thesis submitted by student Nathanael Stanford, and they evaluated his presentation and response to questions during the final oral examination. They found that the student passed the final oral examination. Shawn R. Simonson, Ed.D. Chair, Supervisory Committee Timothy R. Kempf, Ph.D. Member, Supervisory Committee Jeffrey M. Anderson, MA Member, Supervisory Committee The final reading approval of the thesis was granted by Shawn R. Simonson, Ed.D., Chair of the Supervisory Committee. The thesis was approved by the Graduate College. ACKNOWLEDGEMENTS I would first like to thank my thesis advisor, Shawn Simonson for his continual assistance and guidance throughout this master thesis. He fostered an environment that encouraged me to think critically about the scientific process. The mentorship he offered directed me on a path of independent thinking and learning. I would like to thank my research technician, Sarah Bennett for the hundreds of hours she assisted me during data collection. This thesis would not have been possible without her help. To my committee member Tim Kempf, I want to express my gratitude for his assistance with study design and the scientific writing process. -
Emergency Response to Terrorism: Tactical Considerations: Emergency Medical Services
Emergency Response To Terrorism: Tactical Considerations: Emergency Medical Services ERT:TC:EMS-Student Manual 2nd Edition, 1st Printing-March 2000 DHS/USFA/NFA ERT:TS:EMS-SM Emergency Response to Terrorism: Tactical March 2000 2nd Edition, 1st Printing Considerations: Emergency Medical Services Emergency Response To Terrorism: Tactical Considerations: Emergency Medical Services ERT:TC:EMS-Student Manual 2nd Edition, 1st Printing-March 2000 EMERGENCY RESPONSE TO TERRORISM: TACTICAL CONSIDERATIONS: EMERGENCY MEDICAL SERVICES U.S. DEPARTMENT OF HOMELAND SECURITY PREPAREDNESS DIRECTORATE UNITED STATES FIRE ADMINISTRATION NATIONAL FIRE ACADEMY FOREWORD The U.S. Fire Administration (USFA), an important component of the Department of Homeland Security (DHS) Preparedness Directorate, serves the leadership of this Nation as the DHS's fire protection and emergency response expert. The USFA is located at the National Emergency Training Center (NETC) in Emmitsburg, Maryland, and includes the National Fire Academy (NFA), National Fire Data Center (NFDC), National Fire Programs (NFP), and the National Preparedness Network (PREPnet). The USFA also provides oversight and management of the Noble Training Center in Anniston, Alabama. The mission of the USFA is to save lives and reduce economic losses due to fire and related emergencies through training, research, data collection and analysis, public education, and coordination with other Federal agencies and fire protection and emergency service personnel. The USFA's National Fire Academy offers a diverse course delivery system, combining resident courses, off-campus deliveries in cooperation with State training organizations, weekend instruction, and online courses. The USFA maintains a blended learning approach to its course selections and course development. Resident courses are delivered at both the Emmitsburg campus and its Noble facility. -
Nepal Workers Treated Well in Qatar
SUNDAY MARCH 4, 2018 JUMADA AL-AKHIRAH 16, 1439 VOL.11 NO. 4198 QR 2 FINE Fajr: 4:37 am Dhuhr: 11:46 am HIGH : 26°C Asr: 3:07 pm Maghrib: 5:37 pm LOW : 19°C Isha: 7:07 pm Business 17 Sports 28 Chill Out Nakilat expands joint venture VAR technology approved for The rise of roller-skating partnership with Maran Ventures use at 2018 Russia World Cup in Qatar Freedom to use data with Bill Protection! Terms & conditions apply Emir to attend today Scientific Excellence A VIBRANT DAY FOR HALAL QATAR FESTIVAL Day Award ceremony Nepal workers The Emir HH Sheikh Tamim bin Hamad al Thani will attend the 11th Scientific Excellence Day Award ceremony to be held at Sheraton Doha on treated well Sunday. QNA Quick read in Qatar: Envoy MoPH caution on eating melons from NZ and Australia First Nepalese school in Qatar expected to open DOHA: The Ministry of Public Health (MoPH) on Monday next year, says the ambassador of Nepal warned of possible spread of listeria through melons from SATYENDRA PATHAK “Whenever I ap- New Zealand and Australia. DOHA proach Qatari authori- The ministry has received a ties with an issue related global notification in this regard. NEPALESE migrant to any Nepali worker, The second day of the Halal Qatar Festival being held at Cultural Village Foundation — Katara saw the auctioning of Those who have bought the workers engaged in the they try to solve it im- special breeds of sheep and goats. The festival sheds light on the crucial role livestock breeding and trade has played in fruit should return it to the ongoing projects are mediately. -
Midwater Data Sheet
MIDWATER TRAWL DATA SHEET RESEARCH VESSEL__________________________________(1/20/2013Version*) CLASS__________________;DATE_____________;NAME:_________________________; DEVICE DETAILS___________ LOCATION (OVERBOARD): LAT_______________________; LONG___________________________ LOCATION (AT DEPTH): LAT_______________________; LONG______________________________ LOCATION (START UP): LAT_______________________; LONG______________________________ LOCATION (ONBOARD): LAT_______________________; LONG______________________________ BOTTOM DEPTH_________; DEPTH OF SAMPLE:____________; DURATION OF TRAWL___________; TIME: IN_________AT DEPTH________START UP__________SURFACE_________ SHIP SPEED__________; WEATHER__________________; SEA STATE_________________; AIR TEMP______________ SURFACE TEMP__________; PHYS. OCE. NOTES______________________; NOTES_____________________________ INVERTEBRATES Lensia hostile_______________________ PHYLUM RADIOLARIA Lensia havock______________________ Family Tuscaroridae “Round yellow ones”___ Family Hippopodiidae Vogtia sp.___________________________ PHYLUM CTENOPHORA Family Prayidae Subfamily Nectopyramidinae Class Nuda "Pointed siphonophores"________________ Order Beroida Nectadamas sp._______________________ Family Beroidae Nectopyramis sp.______________________ Beroe abyssicola_____________________ Family Prayidae Beroe forskalii________________________ Subfamily Prayinae Beroe cucumis _______________________ Craseoa lathetica_____________________ Class Tentaculata Desmophyes annectens_________________ Subclass -
A Liminal Experience Under the Surface of the Ocean
UNIVERSIDADE DE LISBOA FACULDADE DE BELAS-ARTES APNEA A liminal experience under the surface of the ocean Janna Nadjejda Ribow Guichet Dissertação Mestrado em Arte Multimedia Especialização em Fotografia Dissertação orientada pela Professora Doutora Maria João Pestana Noronha Gamito 2021 DECLARAÇÃO DE AUTORIA Eu Janna Nadjejda Ribow Guichet, declaro que a presente dissertação de mestrado intitulada “Apnéia”, é o resultado da minha investigação pessoal e independente. O conteúdo é original e todas as fontes consultadas estão devidamente mencionadas na bibliografia ou outras listagens de fontes documentais, tal como todas as citações diretas ou indiretas têm devida indicação ao longo do trabalho segundo as normas académicas. O Candidato [assinatura] Lisboa, 27.10.19 RESUMO O trabalho é sobre uma imersão no oceano e em nós mesmos. A questão é: como podemos obter um efeito positivo por meio do oceano? O primeiro capítulo analisará os pensamentos antigos e contemporâneos do sublime; A figura do vórtice foi usada nas artes e na literatura para criar sensações sublimes, Immanuel Kant e Edmund Burke afirmaram que o sublime pode trazer um efeito positivo que será discutido. Uma sensação sublime diferente é a Liminalidade, que encontrei durante a Apnéia. Muitos artistas descrevem seu poder transformador, que será comparado à pesquisa médica científica. Mas a mensagem fundamental permanece: “A experiência sublime é fundamentalmente transformadora, sobre a relação entre desordem e ordem, e a ruptura das coordenadas estáveis de tempo e espaço. Algo se precipita e somos profundamente alterados.” (Morley, 2010, p.12) O segundo capítulo define Ambientes Imersivos em Artes e Apnéia. Após a experiência liminar comecei a treinar o desporto e aprendi a controlar minha mente e corpo de forma imersiva, o que trouxe à tona os conceitos: ponto do silêncio (preparação), jogo mental (submersão) e foco (volta a superfície). -
The Embryonic Life History of the Tropical Sea Hare Stylocheilus Striatus (Gastropoda: Opisthobranchia) Under Ambient and Elevated Ocean Temperatures
The embryonic life history of the tropical sea hare Stylocheilus striatus (Gastropoda: Opisthobranchia) under ambient and elevated ocean temperatures Rael Horwitz1,2, Matthew D. Jackson3 and Suzanne C. Mills1,2 1 Paris Sciences et Lettres (PSL) Research University: École Pratique des Hautes Études (EPHE)-Université de Perpignan Via Domitia (UPVD)-Centre National de la Recherche Scientifique (CNRS), Unité de Service et de Recherche 3278 Centre de Recherches Insulaires et Observatoire de l'Environnement (CRIOBE), Papetoai, Moorea, French Polynesia 2 Laboratoire d'Excellence ``CORAIL'', Moorea, French Polynesia 3 School of Geography and Environmental Sciences, Ulster University, Coleraine, UK ABSTRACT Ocean warming represents a major threat to marine biota worldwide, and forecasting ecological ramifications is a high priority as atmospheric carbon dioxide (CO2) emis- sions continue to rise. Fitness of marine species relies critically on early developmental and reproductive stages, but their sensitivity to environmental stressors may be a bottleneck in future warming oceans. The present study focuses on the tropical sea hare, Stylocheilus striatus (Gastropoda: Opisthobranchia), a common species found throughout the Indo-West Pacific and Atlantic Oceans. Its ecological importance is well-established, particularly as a specialist grazer of the toxic cyanobacterium, Lyngbya majuscula. Although many aspects of its biology and ecology are well-known, description of its early developmental stages is lacking. First, a detailed account of this species' life history is described, including reproductive behavior, egg mass characteristics and embryonic development phases. Key developmental features are then compared between embryos developed in present-day (ambient) and predicted end-of-century elevated ocean temperatures (C3 ◦C). Results showed developmental stages of embryos reared at ambient temperature were typical of other opisthobranch Submitted 17 October 2016 species, with hatching of planktotrophic veligers occurring 4.5 days post-oviposition. -
Breath Hold Diving As a Brain Survival Response
Review Article • DOI: 10.2478/s13380-013-0130-5 • Translational Neuroscience • 4(3) • 2013 • 302-313 Translational Neuroscience Zeljko Dujic*, BREATHHOLD DIVING Toni Breskovic, Darija Bakovic AS A BRAIN SURVIVAL RESPONSE Department of Integrative Physiology, Abstract University of Split School of Medicine, Elite breath-hold divers are unique athletes challenged with compression induced by hydrostatic pressure and Split, Croatia extreme hypoxia/hypercapnia during maximal field dives. The current world records for men are 214 meters for depth (Herbert Nitsch, No-Limits Apnea discipline), 11:35 minutes for duration (Stephane Mifsud, Static Apnea discipline), and 281 meters for distance (Goran Čolak, Dynamic Apnea with Fins discipline). The major physi- ological adaptations that allow breath-hold divers to achieve such depths and duration are called the “diving response” that is comprised of peripheral vasoconstriction and increased blood pressure, bradycardia, decreased cardiac output, increased cerebral and myocardial blood flow, splenic contraction, and preserved 2O delivery to the brain and heart. This complex of physiological adaptations is not unique to humans, but can be found in all diving mammals. Despite these profound physiological adaptations, divers may frequently show hypoxic loss of consciousness. The breath-hold starts with an easy-going phase in which respiratory muscles are inactive, whereas during the second so-called “struggle” phase, involuntary breathing movements start. These contrac- tions increase cerebral blood flow by facilitating left stroke volume, cardiac output, and arterial pressure. The analysis of the compensatory mechanisms involved in maximal breath-holds can improve brain survival during conditions involving profound brain hypoperfusion and deoxygenation. Keywords • Apnea • Breath-hold diving • Brain perfusion • Brain oxygenation Received 13 July 2013 accepted 25 July 2013 © Versita Sp. -
Describing Species
DESCRIBING SPECIES Practical Taxonomic Procedure for Biologists Judith E. Winston COLUMBIA UNIVERSITY PRESS NEW YORK Columbia University Press Publishers Since 1893 New York Chichester, West Sussex Copyright © 1999 Columbia University Press All rights reserved Library of Congress Cataloging-in-Publication Data © Winston, Judith E. Describing species : practical taxonomic procedure for biologists / Judith E. Winston, p. cm. Includes bibliographical references and index. ISBN 0-231-06824-7 (alk. paper)—0-231-06825-5 (pbk.: alk. paper) 1. Biology—Classification. 2. Species. I. Title. QH83.W57 1999 570'.1'2—dc21 99-14019 Casebound editions of Columbia University Press books are printed on permanent and durable acid-free paper. Printed in the United States of America c 10 98765432 p 10 98765432 The Far Side by Gary Larson "I'm one of those species they describe as 'awkward on land." Gary Larson cartoon celebrates species description, an important and still unfinished aspect of taxonomy. THE FAR SIDE © 1988 FARWORKS, INC. Used by permission. All rights reserved. Universal Press Syndicate DESCRIBING SPECIES For my daughter, Eliza, who has grown up (andput up) with this book Contents List of Illustrations xiii List of Tables xvii Preface xix Part One: Introduction 1 CHAPTER 1. INTRODUCTION 3 Describing the Living World 3 Why Is Species Description Necessary? 4 How New Species Are Described 8 Scope and Organization of This Book 12 The Pleasures of Systematics 14 Sources CHAPTER 2. BIOLOGICAL NOMENCLATURE 19 Humans as Taxonomists 19 Biological Nomenclature 21 Folk Taxonomy 23 Binomial Nomenclature 25 Development of Codes of Nomenclature 26 The Current Codes of Nomenclature 50 Future of the Codes 36 Sources 39 Part Two: Recognizing Species 41 CHAPTER 3. -
Breath-Hold Training of Humans Reduces Oxidative Stress and Blood Acidosis After Static and Dynamic Apnea
Respiratory Physiology & Neurobiology 137 (2003) 19Á/27 www.elsevier.com/locate/resphysiol Breath-hold training of humans reduces oxidative stress and blood acidosis after static and dynamic apnea Fabrice Joulia c, Jean Guillaume Steinberg a,b, Marion Faucher a,b, Thibault Jamin c, Christophe Ulmer a,b, Nathalie Kipson a,b,Yves Jammes a,b,* a Laboratoire de Physiopathologie Respiratoire (UPRES EA 2201), Institut Jean Roche, Faculte´deMe´decine, Universite´dela Me´diterrane´e, Blvd. Pierre Dramard, 13916 cedex 20, Marseille, France b Service des Explorations Fonctionnelles Respiratoires, Hoˆpital Nord, Assistance Publique-Hoˆpitaux de Marseille, Marseille, France c Laboratoire d’Ergonomie Sportive et Performance (EA 20548), U.F.R. STAPS, Universite´ de Toulon et du Var, 83130 La Garde cedex, France Accepted 19 April 2003 Abstract Repeated epochs of breath-holding were superimposed to the regular training cycling program of triathletes to reproduce the adaptative responses to hypoxia, already described in elite breath-hold divers [Respir. Physiol. Neurobiol. 133 (2002) 121]. Before and after a 3-month breath-hold training program, we tested the response to static apnea and to a 1-min dynamic forearm exercise executed during apnea (dynamic apnea). The breath-hold training program did not modify the maximal performances measured during an incremental cycling exercise. After training, the duration of static apnea significantly lengthened and the associated bradycardia was accentuated; we also noted a reduction of the post-apnea decrease in venous blood pH and increase in lactic acid concentration, and the suppression of the post-apnea oxidative stress (increased concentration of thiobarbituric acid reactive substances). After dynamic apnea, the blood acidosis was reduced and the oxidative stress no more occurred. -
Claire Paris
USA Freediving Contact: John Hullverson President, USA Freediving [email protected] 415-203-5191 www.usafreediving.com November 1, 2019 FOR IMMEDIATE RELEASE CLAIRE BEATRIX PARIS BREAKS TWO USA NATIONAL FREEDIVING RECORDS Miami, Florida. Claire Beatrix Paris broke two USA Women’s National Freediving Records at the 5th Annual South Florida Apnea Challenge event held this past weekend at the Florida International University Aquatic Center in Miami. On Saturday, October 26, Claire set a record in the discipline of Dynamic Apnea with Bi-Fins (DYNB) swimming a distance of 142 meters/ 465 feet underwater on a single breath of air, using two swim fins. The following day, Sunday, October 27, Claire broke another national record in the discipline of Dynamic Apnea (DYN) swimming with a mono-fin a distance of 187 meters/ 613 feet. In the competition freediving discipline of Dynamic Apnea (DYN), as recognized by Association Internationale pour le Développement de l'Apnée (AIDA), the sport’s international governing body, an athlete takes a single breath on the surface and then swims for distance underwater, using a dolphin kick with a monofin. The discipline of Dynamic Apnea with Bi-Fins is done using a flutter kick using two fins. The records are Paris’ third and fourth USA national records. She has also held the USA national record in the pool discipline of Dynamic No Fins (DNF), in which an athlete swims underwater for distance in a pool on a single breath of air without the aid of a fin or fins. Paris set that record of 128 meters/420 feet at the South California Apnea Challenge freediving competition held in Los Angeles in 2015. -
New Zealand Underwater Association
ANNUAL Report ~ New Zealand Underwater Association 2021 Cover image courtesy of Sophie Journee - Kai Iwi Lakes CONTENTS PRESIDENT'S REPORT 4 ABOUT NZ UNDERWATER 6 2.1 Key Missions 2.2 Key Pillars 2.3 Supporters and Partners GOVERNANCE 8 3.1 NZUA Board 3.2 APL Board 3.3 NZUA Publishing Board 3.4 Spearfishing New Zealand Committee 3.5 Underwater Hockey NZ Committee OUR PEOPLE 9 4.1 NZUA Administrative Team 4.2 NZUA Life Members 4.3 Air Purity BY THE NUMBERS 12 AIR PURITY 14 DIVER SAFETY 16 7.1 Survive the dive certification 7.2 Survive the dive certificate stats to date 7.3 Report from Senior Sargeant Bruce Adams – police national dive squad 7.4 Dive emergengy service (DES) 7.5 NZUA 2020 survey of recreational divers in NZ DIVE NZ MAGAZINE 20 MARINE ENVIRONMENT 22 SPEARFISHING NEW ZEALAND 31 UNDERWATER HOCKEY NEW ZEALAND 36 LEO DUCKER AWARD, 2021 40 LEGASEA 42 EXPERIENCING MARINE RESERVES 44 YOUNG OCEAN EXPLORERS 47 AUDITED ACCOUNTS ~ 51 New Zealand Underwater Association / 3. 1. PRESIDENT’S Report On behalf of the New Zealand Underwater Association (NZUA) Board, I have the pleasure of presenting the 68th Annual Report and Statement of Accounts for the period 1 March 2020 to 28 February 2021. GOVERNANCE AND STRATEGY 2020 began with a plan to further consolidate our 3 pillars of UW Sports, Dive Safety, and Marine Environment, until the impacts of COVID-19 inserted itself into everyday life. Earlier in the year, a governance change occurred with the resignation of Chris Nipper. We were lucky to secure Annika Andresen1 to fill the vacant position, bringing experience as a Dive Instructor and Virtual Reality Envi- ronmental Educator with Blake, and adding to the diver- sity of the Board.