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Marine Ecology Progress Series 573:215
This authors' personal copy may not be publicly or systematically copied or distributed, or posted on the Open Web, except with written permission of the copyright holder(s). It may be distributed to interested individuals on request. Vol. 573: 215–228, 2017 MARINE ECOLOGY PROGRESS SERIES Published June 21 https://doi.org/10.3354/meps12164 Mar Ecol Prog Ser Diet shifts in a native mesopredator across a range of invasive lionfish biomass Joseph S. Curtis1,*, Kara R. Wall1, Mark A. Albins2, Christopher D. Stallings1 1College of Marine Science, University of South Florida, St. Petersburg, FL 33705, USA 2University of South Alabama, Mobile, AL 36608, USA ABSTRACT: In marine ecosystems, little is known about how competition with invasive fishes may affect the resource use of native predators. Throughout the western Atlantic, invasive Indo-Pacific lionfishes (Pterois spp.) are likely to compete with native mesopredators such as the graysby Cephalopholis cruentata, an ecologically similar serranid. In conjunction with a before-after- control- impact lionfish removal experiment, this study measured whether graysby population size, diet, and condition varied in relation to cohabitant lionfish biomass. Lionfish, graysby, and prey popu- lations were surveyed and sampled along a contiguous reef ledge in Biscayne National Park, south Florida. Mesopredator diet was measured with stable isotope (δ13C and δ15N) and gut con- tent analyses, and isotopic niches were used to compare patterns of inter- and intraspecific resource use diversity. The isotopic niches of graysby and lionfishes overlapped by 67%, suggest- ing similar population-level resource use. On sites with higher lionfish biomass, graysby isotopic niche was 34% smaller and overlapped 47% less with that of lionfishes, possibly indicating both a narrower breadth of resource use and associated interspecific niche segregation. -
Bill's Cave Diving Lexicon
Bill’s Cave Diving Lexicon 120 Rule: Noticing from the Navy NDL table that, for certain depths, depth + bottom time = 120 so that the NDL can be determined by subtracting the depth from 120. 200 DIN: Thread depth in a DIN valve and associated pressure (200 BAR) that can be handled. This size (7 threads) allows for a DIN to yoke conversion. 300 DIN: Thread depth in a DIN valve that provides the most secure (9 threads) connection and can withstand 300 BAR pressure. 5 nines pure: 99.999% pure, as in a gas. 50-50: Gas mix of 50% oxygen and 50% nitrogen used for decompression gas. 6351-T6 Aluminum Alloy: Alloy that has had problems with tank ruptures. Absolute Pressure: Total pressure being exerted on a diver At sea level Absolute pressure is 1 ATA and it increases by 1 ATA for each 33fsw (34ffw). ADDD (Air, Duration, Depth, Distance): Limits for dive termination acronym minimum Air volume/pressure, maximum Duration of dive, maximum Depth of dive, and maximum Distance of penetration. ADV (Automatic Deflation Valve, and Automatic Diluent Valve ): Device on a buoyancy compensator that allows for rapid air purging, and device on a rebreather that dilutes the breathing mix. AGE (Arterial Gas Embolism): A lung expansion injury. A condition in which gas bubbles enter the arterial system and cause damage by blocking blood flow to vital organs, most commonly the brain. This is generally caused by air passing through the walls of the alveoli into the bloodstream. Air: A gas mixture of Oxygen (21%), Nitrogen (78%), and other gasses (1%, Helium, Argon, etc.). -
Diving Accident / Incident Report Form
DIVING ACCIDENT / INCIDENT REPORT FORM NOTE: FAU Scientific Divers shall use this form to report diving related accidents, injuries, and incidents including; near-drowning, decompression sickness, gas embolism, lung overexpansion, or injuries that require hospitalization as well as any incidents that compromised diver safety or might result in later hospitalization, therapy, or litigation. FAU Dive Logs for all dives related to the accident / incident must also be submitted with this report. Contact the FAU Dive Safety Officer at 561-297-3129 with questions about whether or not to report an incident. GENERAL INFORMATION ABOUT THE ACCIDENT/ INCIDENT VICTIM DIVER NAME: DATE & TIME OF INCIDENT: DIVE LOCATION: DIVING CERTIFICATION LEVEL: CERTIFICATION DEPTH: Scientific Diver Diver-In-Training Temporary Diver CURRENT MEDICATIONS: CURRENT HEALTH PROBLEMS: If the diver is not anFAU-certified diver, complete this section. FAU-certified divers skip to the next section. AGE: SEX: (M/F) DIVER’S AGENCY OR ORGANIZATION: AGENCY OR ORGANIZATION DSO NAME & TELEPHONE #: # YEARS DIVING: TOTAL # DIVES: # DIVES LAST 6 MONTHS: PREVIOUS DIVE INCIDENTS & DATES: DESCRIPTION OF THE ACCIDENT / INCIDENT: Please describe accident / incident in detail. Include ANY factor which you believe may have contributed to, or minimized the accident / incident. If more than one accident / incident occurred please fill out a separate form. Use extra paper if necessary. What could have been done to prevent this accident / incident? Did the accident / incident cause harm: Diver’s qualification: (may circle >1) Yes No Not known Diving student …… DS Open water ……...OW Advanced diver…….AD Divemaster ……...DM Specify : Dive instructor ….. DI Untrained …… .. UT Professional ……... PD Technical diver…...TD Not known ……. -
Supervised Dive
EFFECTIVE 1 March 2009 MINIMUM COURSE CONTENT FOR Supervised Diver Certifi cation As Approved By ©2009, Recreational Scuba Training Council, Inc. (RSTC) Recreational Scuba Training Council, Inc. RSTC Coordinator P.O. Box 11083 Jacksonville, FL 32239 USA Recreational Scuba Training Council (RSTC) Minimum Course Content for Supervised Diver Certifi cation 1. Scope and Purpose This standard provides minimum course content requirements for instruction leading to super- vised diver certifi cation in recreational diving with scuba (self-contained underwater breathing appa- ratus). The intent of the standard is to prepare a non diver to the point that he can enjoy scuba diving in open water under controlled conditions—that is, under the supervision of a diving professional (instructor or certifi ed assistant – see defi nitions) and to a limited depth. These requirements do not defi ne full, autonomous certifi cation and should not be confused with Open Water Scuba Certifi cation. (See Recreational Scuba Training Council Minimum Course Content for Open Water Scuba Certifi ca- tion.) The Supervised Diver Certifi cation Standards are a subset of the Open Water Scuba Certifi cation standards. Moreover, as part of the supervised diver course content, supervised divers are informed of the limitations of the certifi cation and urged to continue their training to obtain open water diver certifi - cation. Within the scope of supervised diver training, the requirements of this standard are meant to be com- prehensive, but general in nature. That is, the standard presents all the subject areas essential for su- pervised diver certifi cation, but it does not give a detailed listing of the skills and information encom- passed by each area. -
Deep Sea Dive Ebook Free Download
DEEP SEA DIVE PDF, EPUB, EBOOK Frank Lampard | 112 pages | 07 Apr 2016 | Hachette Children's Group | 9780349132136 | English | London, United Kingdom Deep Sea Dive PDF Book Zombie Worm. Marrus orthocanna. Deep diving can mean something else in the commercial diving field. They can be found all over the world. Depth at which breathing compressed air exposes the diver to an oxygen partial pressure of 1. Retrieved 31 May Diving medicine. Arthur J. Retrieved 13 March Although commercial and military divers often operate at those depths, or even deeper, they are surface supplied. Minimal visibility is still possible far deeper. The temperature is rising in the ocean and we still don't know what kind of an impact that will have on the many species that exist in the ocean. Guiel Jr. His dive was aborted due to equipment failure. Smithsonian Institution, Washington, DC. Depth limit for a group of 2 to 3 French Level 3 recreational divers, breathing air. Underwater diving to a depth beyond the norm accepted by the associated community. Limpet mine Speargun Hawaiian sling Polespear. Michele Geraci [42]. Diving safety. Retrieved 19 September All of these considerations result in the amount of breathing gas required for deep diving being much greater than for shallow open water diving. King Crab. Atrial septal defect Effects of drugs on fitness to dive Fitness to dive Psychological fitness to dive. The bottom part which has the pilot sphere inside. List of diving environments by type Altitude diving Benign water diving Confined water diving Deep diving Inland diving Inshore diving Muck diving Night diving Open-water diving Black-water diving Blue-water diving Penetration diving Cave diving Ice diving Wreck diving Recreational dive sites Underwater environment. -
Regulations in Belize
! ! "#$%&'($)&'*'(!+*,)&%*&,!-.'.(&/&'$!*'!012! 134'$%*&,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Final Technical Report SUPPORT TO UPDATE THE FISHERIES REGULATIONS IN BELIZE REFERENCE: CAR/1.2/3B Country: Belize 29 November 2013 Assignment implemented by Poseidon Aquatic Resources Management i Project Funded by the European Union. “This publication has been produced with the assistance of the European Union. The contents of this publication are the sole responsibility of ”name of the author” and can in no way be taken to reflect the views of the European Union.” “The content of this document does not necessarily reflect the views of the concerned governments.” SUPPORT TO UPDATE THE FISHERIES REGULATIONS IN BELIZE Contents CONTENTS .......................................................................................................................................... I! LIST OF TABLES, FIGURES AND PHOTOGRAPHS .................................................................................. II! LIST OF APPENDICES ......................................................................................................................... III! ACKNOWLEDGEMENTS ..................................................................................................................... IV! ABBREVIATIONS AND ACRONYMS .................................................................................................... -
MCBH 1999 Strategic Plan Articulate and Disseminate Infor7
f Hawaii Marine Landing Support Volume 28, Number 23 June 10, 1999 State Fair A-4 B-1 Guiding principles for Stand down set for TEAM the 1999 Strategic Plan Think TEAMWORK in all that you say and do Empowerment al the lowest. appropriate level MCBH 1999 strategic plan Articulate and disseminate infor7. nation efficiently and accurately to the entire TEAM 1st Lt. Angela Judge level, all those who are affected by the be used in all decisions made by 'those ed after next week's stand down Media Officer Mentor an environment to meet strategic plan," said Brig. Gen. Arnold apart of MCB Hawaii. These principles because they are responsible for some resource management challenges by Servicemembers and DoD civilians Fields, commanding general of MCB are spelled out in the acronym TEAM part of the strategic plan," Freeland investing in new technologies, by min- from Headquarters Battalion and Hawaii. MCBH, according to Jacque Freeland, added. imizing cost and by effectively imple- Marine Corps Air Facility are taking During the strategic plan stand base strategic plan coordinator. Base departments, however, are not menting Business Reform Initiatives time out of their schedules next week to down, all base units will break down by However, discussing the plan is only going to be the only ones on-line with Make our Core Values the fore- discuss the plan that will launch Marine sections to discuss the goals, mission, the beginning in implementing it, the strategic plan. front of continuous, proactive, and Corps Base Hawaii into the 21st and vision of MCB Hawaii. -
Psdiver Monthly Issue 83
PSDiver Monthly Issue 83 Air Buys Time discussion group and let’s talk about it. Use what works for you and be open minded to suggestions and possible I have been asked by a number of subscribers to write changes. There will never be a one size fits all solution. about equipment configurations. I am always hesitant Your goal should be to search and experiment until you about writing about specific equipment or specific brands are able to find what works for you. or models. It is not that I do not have personal favorites; it is BECAUSE I have personal favorites that I have been Pony bottle and Pony Mount reluctant. To my way of thinking, if we dive FFM and a Pony and do It is has always been my opinion that equipment for a NOT use a gas switch block, we need the pony to have a dive team is based on particular need, budget and thumbnail SPG and a second stage regulator attached. availability. A small member team with an annual 20k Divers should also have a separate mask available to use budget is going to be better outfitted than a 20 member with the standard scuba second stage. Consider this team with a 2K annual budget. configuration for a minute. The diver is on SCUBA with a full face mask. The diver would likely have a This month I offer an editorial about pony console package with a SPG and either a bottles. What I present here is not intended computer or an analog depth gauge with a to be an “end all” to the topic nor is it maximum depth indicator. -
Bassculture Islands Bassculture Islands
BASSCULTURE ISLANDS BASSCULTURE ISLANDS Featured photographer: Donn Thompson Model: Sarah Sebit 2. basscutlture islands BASSCULTURE ISLANDS BASSCULTURE #11 THE BAHAMAS ISLANDS my personal ISSUE #11 dharma - ART IN FOCUS Travel entrepreneur 28 36 editor’s note Lately I have been reminiscing the time when I traveled and made EDITOR IN CHIEF home of few different places in the world. I loved the feeling of being Ania Orlowska BAHAMAS love for the ocean in a new place and getting to know local people and local spots and MUST-DO LIST - diving in just dive into the culture . Only then I was able to say that I have CREATIVE DIRECTION/ the bahamas traveled and discovered. For this reason today I can totally relate to GRAPHIC DESIGN the island hopper - Jamie Werner who lived on so many different Kerron Riley 12 Caribbean islands and is able to give tips to all the travellers visiting Ania Orlowska 44 The Bahamas. Don’t miss her travel tips! I can also relate to entre- FILM EDITOR UNDERWATER preneur Monica Walton as she describes the road she took to be all about Emiel Martens PASSION - successful and the fact that the road is usually bumpy. As a creative film makers INSPIRATION entrepreneur and talent agent I can definitely appreciate the beauti- PROJECT EXECUTION ful art of Danielle Boodoo-Fortuné and Giovani Zanolino. And even theOrlowska Agency though I have never done any diving, I share the love for the ocean www.theorlowska.com 20 64 with Bahamian diver Andre Musgrove. Watch how he is giving some really nice tips for both divers and visitors to the Bahamas. -
Wreck Diver Specialty Course Instructor Guide
Instructor Wreck Diver Guide Wreck Diver Specialty Course Instructor Guide Product No. 70232 (Rev. 4/07) Version 2.0 Instructor Guide Wreck Diver PADI Wreck Diver Specialty Course Instructor Guide © PADI 2007 Portions of the Appendix of this guide may be reproduced by PADI Members for use in PADI-sanctioned training, but not for resale or personal gain. No other reproduction is allowed without the express written permission of PADI. Published and distributed by PADI 30151 Tomas Rancho Santa Margarita, CA 92688-2125 USA Printed in U.S.A. Product No. 70232 (04/07) Version 2.0 2 Specialty Course Instructor Guide Instructor Wreck Diver Guide Table of Contents Introduction How to Use this Guide .......................................................................................5 Course Philosophy and Goals .............................................................................5 Course Flow Options .........................................................................................6 Program Options ................................................................................................7 Section One: Course Standards Standards at a Glance .........................................................................................8 Instructor Prerequisites .......................................................................................9 Student Diver Prerequisites ...............................................................................9 Supervision and Ratios .......................................................................................9 -
The Complete Diving System 2 Divator Product Overview
PRODUCT OVERVIEW DIVATOR THE COMPLETE DIVING SYSTEM 2 DIVATOR PRODUCT OVERVIEW A tragic bus accident in Sweden after the Second World War raised the concern that divers could not be quickly deployed to the crash site. The Swedish government asked Interspiro (“AGA” at that time) if they could provide a rapid deployment diving device for search and rescue operations. Interspiro began an extensive research program and in 1948 the Worlds first underwater breathing apparatus for search and rescue was presented to the Swedish authorities. The device, commonly referred to as the “iron bed” (because of the shape of the carrying frame), featured a breathing valve with inhalation and exhalation in the same diaphragm. The first of many Interspiro innovations in the field of diving. Today, over 60 years later, the latest generation of Interspiro SCUBA – DIVATOR – is still the preferred choice for professional divers around the World. The Interspiro diving philosophy is a system approach. The reason is simple and obvious, to obtain the highest possible safety level for professional divers. © 2015 Interspiro AB, Sweden. This publication contains or refers to proprietary information which is protected by copyright. All rights are reserved. Interspiro® and DIVATOR® are registered trademarks of Interspiro. This publication may not be copied, photocopied, reproduced, translated, or con- verted to any electronic or machine-readable form in whole or in part without prior written approval from Interspiro. Changes or updates to this publication may be made -
Commission Business Session Thursday, March 21, 2019 New Orleans, LA
Commission Business Session Thursday, March 21, 2019 New Orleans, LA Chairman Joe Spraggins was unable to attend the meeting. Vice Chairman Dan Ellinor called the meeting to order at 10:33. The following Commissioners and/or Proxies were present: Dan Ellinor, FWC, Tallahassee, FL (Proxy for Nick Wiley) Paul Mickle, MSDMR, Biloxi, MS (Proxy for Joe Spraggins) Read Hendon, USM/GCRL, Ocean Springs, MS Scott Bannon, ADCNR/MRD, Gulf Shores, AL (Proxy for Chris Blankenship) Chris Nelson, Bon Secour Fisheries, Bon Secour, AL Jerry Mambretti, TPWD, Austin, TX (Proxy for Carter Smith) Troy Williamson, Corpus Christi, TX Jason Froeba, LDWF, Baton Rouge, Louisiana (Proxy for Jack Montoucet) Senator Brett Allain, Jeanerette, LA John Roussel, Zachary, LA Staff Dave Donaldson, Executive Director, Ocean Springs, MS Nancy Marcellus, Administrative Officer, Ocean Springs, MS Chery Noble, Administrative Assistant, Ocean Springs, MS Steve VanderKooy, IJF Program Coordinator, Ocean Springs, MS Jeff Rester, SEAMAP/Habitat Coordinator, Ocean Springs, MS Gregg Bray, FIN Program Manager, Ocean Springs, MS Joe Ferrer, Systems Administrator, Ocean Springs, MS James Ballard, Sport Fish Restoration/Aquatic Invasives Coordinator, Ocean Springs, MS Donna Bellais, ComFIN Programmer, Ocean Springs, MS Debbie Mcintyre, Sta.ff Assistant, Ocean Springs, MS Others Roy Crabtree, NOAA Fisheries, St. Petersburg, FL Glen Constant, UFWS, Baton Rouge, LA Jessica Stephens, NOAA Fisheries, St. Petersburg, FL Darin Topping, TPWD, Rockport, TX Cisco Werner, NOAA Fisheries, Miami, FL Mandy Kamauskas, NOAA Fisheries, Miami, FL Laura Picariello, Texas Sea Grant, Corpus Christi, TX John Fallon, Audubon Nature Institute, New Orleans, LA Laura Deighan, Audubon Nature Institute, New Orleans, LA Jamie Reinhardt, NOAA Restoration Center, Silver Spring, MD Lori Rounds, NOAA Restoration Center, Silver Spring, MD Ed Swindell, Marine Process Services, Hammond, LA Brief Overview of Commission Voting Procedures D.