Size structure, distribution and interaction characteristics of dominant jellyfish from surface trawls in the Eastern Bering Sea
|
|
- Tyler Lyons
- 5 years ago
- Views:
Transcription
1 Size structure, distribution and interaction characteristics of dominant jellyfish from surface trawls in the Eastern Bering Sea Kristin Cieciel, Lisa Eisner, Mary Courtney, and Angela Feldmann Auke Bay Laboratory, Juneau, Alaska Picture by M. Courtney
2 Outline Sampling BASIS Collection methods Species encountered Size Structure Distribution Interactions & Associations Fish species Zooplankton Temperature and salinity Conclusions Future
3 Survey design and vessels US BASIS 22-2: 2: BASIS (Bering Aleutian Salmon International Survey) Commercial trawlers Mid-Aug to mid-oct
4 BASIS Sampling Components Surface Rope Trawl: Juvenile salmon, pelagic fish, jellyfish Surface trawl (m wide X 18m deep) Zooplankton Bongo net oblique tow (33 and μm) Juday net vertical tow (16 μm m mesh) Paravet-vertical vertical tow (1 μ m mesh) Oceanography Thermosalinograph (3m) CTD (Chl a, beam c, PAR, DO) Water samples (23-2) Microzooplankton Phytoplankton Chl a: >.7 μm m (GF/F), > 2 μm, > μm, > 1 μm m size Nutrients (N, P, Si)
5 U.S. BASIS Stations Number of Sampling Stations 24 = = = 18 Sampling is weather dependent Stations are 3 nautical miles apart Bristol Bay in late Aug to early Sept Saint Lawrence in late Sept to early Oct
6 Methods All jellyfish are caught in a surface trawl (~18m). Sorted by species, weighed, and measured for bell diameter. Diameter measurements are only made on intact individuals. Based on Suchman and Brodeur methods for trawl surveys.
7 Jellyfish typically caught in trawl Chrysaora melanaster Cyanea capillata Phacellophora camstichatica Staurophora mertensi Aurelia labiata Aequorea sp.
8 Bering Sea Jellyfish Biomass Index of large medusae biomass during the NMFS bottom trawl survey in the Bering Sea (PICES scientific report #28, 2) Biomass (1 t) Bottom Trawl Surface Trawl Year Data made available by Robert Lauth, AFSC, Bob.Lauth@noaa.gov
9 8 7 6 Distribution of Jellyfish catch on shelf 6 24 Total weight (t) Total weight (t) Total weight (t) Inner Middle Outer North of St. Lawrence Shelf Location 48 2 Inner Middle Outer North of St. Lawrence Shelf Location Inner Middle Outer North of St. Lawrence Shelf Location
10 Frequency of Species Occurrence Frequency of Occurrence (%) Aequorea Aurelia Chrysaora Cyanea Staurophora Phaecellophora n
11 Species Composition by Location Aequorea Aurelia Cyanea Chrysaora Staurophora 1% 24 1% 2 1% 26 9% 9% 9% 8% 8% 8% 7% 7% 7% Total Catch (% ) 6% % 4% 6% % 4% 6% % 4% 3% 3% 3% 2% 2% 2% 1% 1% 1% % Inner Middle Outer North of St. Law rence Shelf Location % Inner Middle Outer North of St. Law rence Shelf Location % Inner Middle Outer North of St. Law rence Shelf Location
12 SIZE STRUCTURE
13 Aequorea sp. Oneway Analysis of Bell Diameter (mm) By Year Inner Frequency INNer Frequency Middle Frequency More Middle Frequency Bell Diameter (mm) Out er Frequency More Outer Frequency Chrysaora melanaster Year Oneway Analysis of Bell Diameter (mm) By Year Bell Diameter (mm) Inner Frequency Middle Frequency Outer Frequency More More INNer Frequency Middle Frequency Outer Frequency More More Year Oneway Analysis of Bell Diameter (mm) By Year Cyanea capillata Inner Frequency 1 1 Inner Frequency Bell Diameter (mm) Middle Frequency Middle Frequency Outer Frequency Outer Frequency Year
14 Interactions & Associations Picture by B. Stone
15 Trawl catches
16 Theragra chalcogramma Spirinchus thaleichthys Clupea pallasi Pleurogrammus monopterygius Trichodon trichodon Fish Species Ammodytes hexapterus Mallotus villosus
17 Jellyfish 24 Biomass Distributions Pollock
18 Jellyfish 24 Biomass Distributions Herring
19 EBS24; Abundance (No m -3 ) Acartia longiremis; Bongo EBS24; Abundance (No m -3 ) Centropages abdominalis; Bongo EBS24; Abundance (No m -3 ) Pseudocalanus sp.; Bongo Large Medusae EBS 24, Biomass (g m -3 ) EBS24; Abundance (No m -3 ) Calanus marshallae; Bongo Small Copepods 24 Large Copepods EBS24; Abundance (No m -3 ) Metridia pacifica; Bongo EBS24; Abundance (No m -3 ) Eucalanus bungii; Bongo
20 Temperature at m (degree C) Temperature and Salinity Data Total Gelatinous Catch (t) Station Number Temperature at m (celsius) Sallinity at m (PSU) Station Number Total Gelatinous Catch (t) Salinity (PSU)
21 Conclusions Compared with previous years, 26 shows a notable decline in jellyfish biomass Bell diameters remained relatively the same for most abundant species, with the exception of Cyanea The relationship between most forage fish catches and jellyfish catches is unclear The middle shelf has the highest concentrations of jellyfish and lowest abundance of copepods Physical ocean factors seem to influence jellyfish distributions Fluctuations in biomass seem to be occurring at an earlier life stage that our survey does not observe
22 Future Research Continuation of sampling in 27 Analyze collected oceanographic data of past years Examine possible relationships between other fish species and jellyfish Explore density-depth relationship of jellyfish
23 Fin Acknowledgements Ocean Carrying Capacity Program Crews of the Sea Storm & North West Explorer Dr. S.K Shotwell, Dr. Bruce Wing, Cara Rodgveller, & Peter Hochstoeger
Pocket Field Guide OREGON JELLIES
Pocket Field Guide OREGON JELLIES ABOUT THIS GUIDE Ever wonder what that jelly-like blob on the beach is? Want to know how to identify a bloom of jellyfish? This guide was created to help identify common
More informationTrawls - Design, Construction and Methods
Trawls - Design, Construction and Methods Shri K.K. Kunjipalu Sr. Scientist The name trawl is derived from the manner of operating the net. The net is a off large bag net, tapering from the mouth forming
More informationUpdate on Federal Shrimp Fishery Management in the Southeast
Update on Federal Shrimp Fishery Management in the Southeast Southeast Region David Bernhart NOAA Fisheries American Shrimp Processors Association Meeting Biloxi, MS April 7, 2017 Outline SERO Stock Status
More informationSerial No. N5461 NAFO SCR Doc. 07/75 NAFO/ICES WGPAND MEETING OCTOBER/NOVEMBER 2007
NOT TO BE CITED WITHOUT PRIOR REFERENCE TO THE AUTHOR(S) Northwest Atlantic Fisheries Organization Serial No. N5461 NAFO SCR Doc. 07/75 NAFO/ICES WGPAND MEETING OCTOBER/NOVEMBER 2007 Research survey information
More informationCommercial Pink Shrimp Fishery Management
Commercial Pink Shrimp Fishery Management Exhibit F January 19 th, 2018 Scott Groth, Pink shrimp project leader Marine Resources Program 1 Why are we here? Issue 1: Proposed adoption of a Fishery Management
More informationTemporal Succession of Ecosystem Structure in the Kuroshio Extension Region: Are Gelatinous Zooplankton Species Indicators of Ecosystem Status?
Temporal Succession of Ecosystem Structure in the Kuroshio Extension Region: Are Gelatinous Zooplankton Species Indicators of Ecosystem Status? H. Saito, K. Hidaka, M. Ichinomiya, Yuichiro Nishibe FRA
More informationDiets of Steller sea lions (Eumetopias jubatus) in Southeast Alaska,
234 Abstract The diet of Steller sea lions (Eumetopias jubatus) was determined from 1494 scats (feces) collected at breeding (rookeries) and nonbreeding (haulout) sites in Southeast Alaska from 1993 to
More informationDEEP SEA TD/RES 113 SOUTHEAST ASIAN
2007 Standard Operating Procedures of DEEP SEA BEAMTRAWL SAYAN Promjinda SUTHIPONG Tanasarnsakorn TAWEESAK Timkrub NARONG Reungsivakul SOMBOON Siriraksophon SOUTHEAST ASIAN FISHERIES DEVELOPMENT CENTER
More informationSimrad ITI Trawl monitoring system
Simrad ITI Trawl monitoring system Measures position of signel and twin trawls Full range of sensors Split beam transducer technology Nine display modes of efficient use Well proven technology Locate lost
More informationPortside Sampling and River Herring Bycatch Avoidance in the Atlantic Herring and Mackerel Fishery
Portside Sampling and River Herring Bycatch Avoidance in the Atlantic Herring and Mackerel Fishery Midwater Trawl Vessels Brad Schondelmeier Bill Hoffman Mike Armstrong, PhD Dave Bethoney, PhD Kevin Stokesbury,
More informationIntroduction. Trawl Gear description (fish & shrimp) Introduction. Introduction 4/4/2011. Fish & invertebrates
Trawl Gear description (fish & shrimp) Introduction Fish & invertebrates Bottom (demersal) and midwater (pelagic) INSERT INSTRUCTOR Name http://www.safmc.net http://www.ilvo.vlaanderen.be http://www.seafish.org
More informationDeveloping a Salmon Excluder for the Pollock Fishery
Developing a Salmon Excluder for the Pollock Fishery -A cooperative research project- NMFS Race Division and the North Pacific Fisheries Research Foundation John Gruver United Catcher Boats Association
More informationCM 2004/ R:23. Can subjective evaluation of echograms improve correlation between bottom trawl and acoustic densities?
International Council for the Exploration of the Sea CM 4/ R: Can subjective evaluation of echograms improve correlation between bottom trawl and acoustic densities? O.R. Godø, V. Hjellvik,. Greig and
More informationFEATURES OF DISTRIBUTION OF LOADING IN COD-END OF TRAWL OF A VARIOUS DESIGN
10 th International Workshop in University of Split DEMaT'2011 FEATURES OF DISTRIBUTION OF LOADING IN COD-END OF TRAWL OF A VARIOUS DESIGN A.A. Pavlenko¹, A.A. Nedostup² ¹PINRO Commercial Fishing Laboratory,
More informationCnidarians and Ctenophores
Cnidarians and Ctenophores Characteristics All carnivorous Contain a jelly-like layer between epidermis and gastrodermis called mesoglea Single opening (mouth/anus) to gastrovascular cavity where food
More informationSouthern Shrimp Alliance, Inc P.O. Box 1577 Tarpon Springs, FL Ph Fx
P.O. Box 1577 Tarpon Springs, FL 34688 Ph. 727.934.5090 Fx. 727.934.5362 john@shrimpalliance.com Karyl Brewster-Geisz HMS Management Division F/SF1 National Marine Fisheries Service 1315 East West Highway
More informationSTATE OF CALIFORNIA FISH AND GAME COMMISSION FINAL STATEMENT OF REASONS FOR REGULATORY ACTION
STATE OF CALIFORNIA FISH AND GAME COMMISSION FINAL STATEMENT OF REASONS FOR REGULATORY ACTION Amend Section 124 Title 14, California Code of Regulations Re: Definition of Light Touch Trawl Gear for Use
More informationSerial No. N6570 NAFO SCR Doc. 16/027 SCIENTIFIC COUNCIL MEETING JUNE 2016
NOT TO BE CITED WITHOUT PRIOR REFERENCE TO THE AUTHOR(S) Northwest Atlantic Fisheries Organization Serial No. N67 NAFO SCR Doc. 16/27 SCIENTIFIC COUNCIL MEETING JUNE 216 Trawl, gillnet and longline survey
More informationMobulid rays in the eastern Pacific
Mobulid rays in the eastern Pacific Joshua Stewart, Nerea Lezama-Ochoa, Marlon Román, Martin Hall 8 th Meeting of the Bycatch Working Group La Jolla, California USA, 10-11 May 2018 Outline Introduction
More informationShrimp (Pandalus borealis) populations of Isfjorden and Kongsfjorden:
Shrimp (Pandalus borealis) populations of Isfjorden and Kongsfjorden: Effects of trawling and predators Akvaplan-niva Report 6242-1 This page is intentionally left blank Akvaplan-niva AS Fram Centre for
More informationAge structured models
Age structured models Fibonacci s rabbit model not only considers the total number of rabbits, but also the ages of rabbit. We can reformat the model in this way: let M n be the number of adult pairs of
More informationAnnual Pink Shrimp Review
Annual Pink Shrimp Review Oregon Department of Fish and Wildlife ODFW Marine Region, 24 S.E. Marine Science Dr. Newport, OR 97365 (53) 867-4741 TO: OREGON SHRIMP INDUSTRY FROM: Bob Hannah and Steve Jones
More informationSea Turtle Oceanography Study. Matthew Weeks, Ronald Smolowitz, Ruth Curry Coonamessett Farm Foundation Inc
Sea Turtle Oceanography Study Final Progress Report for 2009 Sea Scallop RSA Program NA09NMF4540131 June 2010 By Matthew Weeks, Ronald Smolowitz, Ruth Curry Coonamessett Farm Foundation Inc In Collaboration
More informationPLL vs Sea Turtle. ACTIVITIES Fishing Trials. ACTIVITIES Promotion/WS
PROGRAM TITLE : Stock Enhancement for Threatened Species of International Concern PROJECT TITLE : Interaction Between Sea Turtle and Fisheries in Southeast Asian Region PROJECT DURATION : T 2005-2008 BACKGROUND
More information26-3 Cnidarians Slide 2 of 47
2 of 47 What Is a Cnidarian? What is a cnidarian? 3 of 47 What Is a Cnidarian? What Is a Cnidarian? Cnidarians are soft-bodied, carnivorous animals that have stinging tentacles arranged in circles around
More informationExceptions to prohibitions relating to sea turtles.
223.206 Exceptions to prohibitions relating to sea turtles. (d) Exception for incidental taking. The prohibitions against taking in 223.205(a) do not apply to the incidental take of any member of a threatened
More informationWhat s In An Inch? The Case for Requiring Improved Turtle Excluder Devices in All U.S. Shrimp Trawls
What s In An Inch? The Case for Requiring Improved Turtle Excluder Devices in All U.S. Shrimp Trawls 1 Steve DeNeef Authors: Mariah Pfleger, Kara Shervanick and Lora Snyder The authors would like to thank
More informationTrends in abundance of Steller sea lions and northern fur seals across the North Pacific Ocean
Trends in abundance of Steller sea lions and northern fur seals across the North Pacific Ocean Rolf R. Ream National Marine Mammal Laboratory, NMFS, Seattle, WA Vladimir Burkanov Natural Resources Consultants,
More informationTrawl Gear description (fish & shrimp)
Trawl Gear description (fish & shrimp) INSERT INSTRUCTOR Name http://www.safmc.net http://www.whboat.com Joël Prado - FAO/FIIT Introduction Fish & invertebrates Bottom (demersal) and midwater (pelagic)
More informationAlaska Seas & Coasts. Humans and Steller sea lions have both depended on Alaska s fish stocks. alaska s steller sea lions.
Alaska Seas & Coasts Volume 1 May 2005 Marine Issues for Alaska s People In This Issue Steller Sea Lion Status Management Research What We Know Prognosis for Recovery The Future How You Can Help Kate Wynne,
More informationABSTRACT. Ashmore Reef
ABSTRACT The life cycle of sea turtles is complex and is not yet fully understood. For most species, it involves at least three habitats: the pelagic, the demersal foraging and the nesting habitats. This
More informationRelationship between Steller Sea Lion Diets and Fish Distributions in the Eastern North Pacific
Sea Lions of the World 131 Alaska Sea Grant College Program AK-SG-06-01, 2006 Relationship between Steller Sea Lion Diets and Fish Distributions in the Eastern North Emma L. Bredesen, Andrea P. Coombs,
More informationAre my trawl wires marked correctly? Is my trawl spread optimally? Is the trawl on bottom?
TRAWLMASTER Are my trawl wires marked correctly? Is my trawl spread optimally? Is the trawl on bottom? Trawlmaster is a wireless trawl monitoring system that provides complete trawl geometry. This is one
More informationDriving Questions: How much seagrass does a green sea turtle eat in a year? In its lifetime?
Plastic Patrol 1 Sea Turtle Energy Pyramid by Tom McConnell www.conservationtales.com/seaturtles You ve probably read about sea turtles in the Conservation Tales series already. If you have, you know that
More informationREGULATIONS RELATED TO TRAWL GEAR CONFIGURATION, GEARS ALLOWED ON BOARD, AND AREA OF USE
Agenda Item G.8 Attachment 2 March 2016 REGULATIONS RELATED TO TRAWL GEAR CONFIGURATION, GEARS ALLOWED ON BOARD, AND AREA OF USE The following is an excerpt of some groundfish gear regulations and may
More informationUC San Diego UC San Diego Electronic Theses and Dissertations
UC San Diego UC San Diego Electronic Theses and Dissertations Title Vibrissae growth rates and foraging and migration patterns for juvenile male northern fur seals (Callorhinus ursinus) from St. Paul Island,
More informationComparative Anatomy Lab 1: Cnidarians
Comparative Anatomy Lab 1: Cnidarians The Cnidarians are an ancient assemblage of organisms whose ancestry can be traced back more than 700 million years. This marks them as one of the earliest stock of
More informationEscape of the ctenophore Mnemiopsis leidyi from the scyphomedusa predator Chrysaora quinquecirrha
Marine Biology (1997) 128: 441 446 Springer-Verlag 1997 T. A. Kreps J. E. Purcell K. B. Heidelberg Escape of the ctenophore Mnemiopsis leidyi from the scyphomedusa predator Chrysaora quinquecirrha Received:
More information2008/048 Reducing Dolphin Bycatch in the Pilbara Finfish Trawl Fishery
2008/048 Reducing Dolphin Bycatch in the Pilbara Finfish Trawl Fishery PRINCIPAL INVESTIGATOR: Prof. N.R. Loneragan ADDRESS: Centre for Fish and Fisheries Research Biological Sciences and Biotechnology
More informationMarine Consumers OCN 201 Biology Lecture 6
Marine Consumers OCN 201 Biology Lecture 6 Goetze/Peijnenburg Consumer Types Grazers (Herbivore) Predators Parasites Scavengers Detritivores Decomposers Feeding on algae or phytoplankton, consuming the
More informationEfficiency of the Korean Bottom Survey Trawl for Snow Crab Chionoecetes opilio
Original Article Fish Aquat Sci 15(4), 337-343, 2012 Efficiency of the Korean Bottom Survey Trawl for Snow Crab Chionoecetes opilio Jung Hwa Choi 1 * and David A. Somerton 2 1 National Fisheries Research
More informationMarine Consumers OCN 201 Biology Lecture 5
Marine Consumers OCN 201 Biology Lecture 5 Goetze/Peijnenburg Consumer Types Grazers (Herbivore) Predators Parasites Kill their prey (Herbivore, Carnivore, or Omnivore) Scavengers Detritivores Decomposers
More information(12) Patent Application Publication (10) Pub. No.: US 2010/ A1
(19) United States US 20100139147A1 (12) Patent Application Publication (10) Pub. No.: US 2010/0139147 A1 Rokke et al. (43) Pub. Date: Jun. 10, 2010 (54) FLOATING TRAWL METHODS AND ARRANGEMENTS (75) Inventors:
More informationJellyfish Support High Energy Intake of Leatherback Sea Turtles (Dermochelys coriacea): Video Evidence from Animal-Borne Cameras
Jellyfish Support High Energy Intake of Leatherback Sea Turtles (Dermochelys coriacea): Video Evidence from Animal-Borne Cameras Susan G. Heaslip 1 *, Sara J. Iverson 1, W. Don Bowen 1,2, Michael C. James
More informationA LARGE, OPENING-CLOSING MIDWATER TRAWL FOR SAMPLING OCEANIC NEKTON, AND COMPARISON OF CATCHES WITH AN ISAACS-KIDD MIDWATER TRAWL. W. G.
A LARGE, OPENING-CLOSING MIDWATER TRAWL FOR SAMPLING OCEANIC NEKTON, AND COMPARISON OF CATCHES WITH AN ISAACS-KIDD MIDWATER TRAWL by W. G. Pearcy School of Oceanography Oregon State University Corvallis,
More informationTesting the Junk-food Hypothesis on Marine Birds: Effects of Prey Type on Growth and Development
WATERBIRDS JOURNAL OF THE WATERBIRD SOCIETY VOL. 29, NO. 4 2006 PAGES 407-524 Testing the Junk-food Hypothesis on Marine Birds: Effects of Prey Type on Growth and Development MARC D. ROMANO 1,3, JOHN F.
More informationPhylum: Cnidaria. Dr. Khalid M. Salih
Phylum: Cnidaria Dr. Khalid M. Salih Definition Cnidaria comes from the Greek word "cnidos" which means stinging (nettle). Formerly known as coelenterata (Gr. Koilos = hollow, enteron = gut) take its name
More informationRecognizing that the government of Mexico lists the loggerhead as in danger of extinction ; and
RESOLUTION URGING THE REPUBLIC OF MEXICO TO END HIGH BYCATCH MORTALITY AND STRANDINGS OF NORTH PACIFIC LOGGERHEAD SEA TURTLES IN BAJA CALIFORNIA SUR, MEXICO Recalling that the Republic of Mexico has worked
More informationDesign and Test of a Kite-assisted Shrimp Codend to Reduce Small Shrimps and Juvenile Fish Bycatch
UNIVERSITY OF NEW HAMPSHIRE INSTITUTE FOR THE STUDY OF EARTH, OCEANS AND SPACE OCEAN PROCESS ANALYSIS LABORATORY DURHAM, NH 03824 Final Report Design and Test of a Kite-assisted Shrimp Codend to Reduce
More informationScale-dependent effects of climate on two copepod species, Calanus glacialis and Pseudocalanus minutus, in an Arctic-boreal sea
The following supplement accompanies the article Scale-dependent effects of climate on two copepod species, Calanus glacialis and Pseudocalanus minutus, in an Arctic-boreal sea Jonas Persson 1,3, Leif
More informationShort Report Key-site monitoring on Hornøya in Rob Barrett & Kjell Einar Erikstad
Short Report 3-2011 Key-site monitoring on Hornøya in 2010 Rob Barrett & Kjell Einar Erikstad SEAPOP 2011 Key-site monitoring on Hornøya in 2010 Apart from the weather which was unusually wet, the 2010
More informationTo collect data regarding turtle abundance, turtle seining, chasing and abundance surveys were carried out within the creeks where sea grass data had
The Royal Holloway Travel Award gave me the fantastic opportunity to travel to the Bahamas this Summer, to undertake research into foraging grounds of the juvenile green sea turtle at the Cape Eleuthera
More informationRe: Improving protection measures for Maui s and Hector s dolphins
Honourable John Key, Prime Minister Parliament Buildings Wellington 6160 New Zealand Re: Improving protection measures for Maui s and Hector s dolphins Dear Honourable Prime Minister Key: The undersigned
More informationMarine Turtle Research Program
Marine Turtle Research Program NOAA Fisheries Southwest Fisheries Science Center La Jolla, CA Agenda Item C.1.b Supplemental Power Point Presentation 2 September 2005 Marine Turtle Research Program Background
More informationPigeon Guillemot Restoration Research at the Alaska SeaLife Center
Exxon Valdez Oil Spill Restoration Project Annual Report Pigeon Guillemot Restoration Research at the Alaska SeaLife Center Restoration Project 98327 Annual Report This annual report has been prepared
More informationMississippi Shrimp Summary Action Plan Marine Advancement Plan (MAP)
Mississippi Shrimp Summary Action Plan Marine Advancement Plan (MAP) Updated March 2017 Prepared by: Audubon Nature Institute Gulf United for Lasting Fisheries (G.U.L.F.) Laura Picariello - Technical Programs
More informationEFFECTIVENESS OF RELOCATION TRAWLING DURING HOPPER DREDGING FOR REDUCING INCIDENTAL TAKE OF SEA TURTLES
EFFECTIVENESS OF RELOCATION TRAWLING DURING HOPPER DREDGING FOR REDUCING INCIDEAL TAKE OF SEA TURTLES Dena Dickerson 1, Craig Theriot 2, Monica Wolters 3, Chris Slay 4, Trish Bargo 5, Will Parks 6 ABSTRACT
More informationTurtles in Alaska. By Joshua Ream
Turtles in Alaska By Joshua Ream Although no freshwater turtles occur naturally in Alaska, released pets are becoming a frequent occurrence in populated areas (Ream unpublished data). In 2013 alone, turtles
More informationDr Kathy Slater, Operation Wallacea
ABUNDANCE OF IMMATURE GREEN TURTLES IN RELATION TO SEAGRASS BIOMASS IN AKUMAL BAY Dr Kathy Slater, Operation Wallacea All sea turtles in the Caribbean are listed by the IUCN (2012) as endangered (green
More informationLegal Supplement Part B Vol. 53, No th March, NOTICE THE ENVIRONMENTALLY SENSITIVE SPECIES (OLIVE RIDLEY TURTLE) NOTICE, 2014
Legal Supplement Part B Vol. 53, No. 37 28th March, 2014 227 LEGAL NOTICE NO. 92 REPUBLIC OF TRINIDAD AND TOBAGO THE ENVIRONMENTAL MANAGEMENT ACT, CHAP. 35:05 NOTICE MADE BY THE ENVIRONMENTAL MANAGEMENT
More informationGrowth analysis of juvenile green sea turtles (Chelonia mydas) by gender.
Growth analysis of juvenile green sea turtles (Chelonia mydas) by gender. Meimei Nakahara Hawaii Preparatory Academy March 2008 Problem Will gender make a difference in the growth rates of juvenile green
More informationAlabama Shrimp Summary Action Plan Marine Advancement Plan (MAP)
Alabama Shrimp Summary Action Plan Marine Advancement Plan (MAP) Updated March 2017 Prepared by: Audubon Nature Institute Gulf United for Lasting Fisheries (G.U.L.F.) Laura Picariello - Technical Programs
More informationChapter 33. Table of Contents. Section 1 Porifera. Section 2 Cnidaria and Ctenophora. Sponges, Cnidarians, and Ctenophores
Sponges, Cnidarians, and Ctenophores Table of Contents Section 1 Porifera Section 2 Cnidaria and Ctenophora Section 1 Porifera Objectives Describe the basic body plan of a sponge. Describe the process
More informationClassification. Class Scyphozoa Jellyfish Class Anthozoa Sea Anemones & Corals Class Hydrozoa - Hydra
Phylum Cnidaria Classification Class Scyphozoa Jellyfish Class Anthozoa Sea Anemones & Corals Class Hydrozoa - Hydra General Characteristics Stinging tentacles Arranged in ring around mouth Saclike digestive
More informationRWO 166. Final Report to. Florida Cooperative Fish and Wildlife Research Unit University of Florida Research Work Order 166.
MIGRATION AND HABITAT USE OF SEA TURTLES IN THE BAHAMAS RWO 166 Final Report to Florida Cooperative Fish and Wildlife Research Unit University of Florida Research Work Order 166 December 1998 Karen A.
More informationSCIENTIFIC COMMITTEE FIFTH REGULAR SESSION August 2009 Port Vila, Vanuatu
SCIENTIFIC COMMITTEE FIFTH REGULAR SESSION 1-21 August 29 Port Vila, Vanuatu Encounter rates and life status for marine turtles in WCPO longline and purse seine fisheries WCPFC-SC5-29/EB-WP-7 Peter Williams,
More informationEXERCISE 14 Marine Birds at Sea World Name
EXERCISE 14 Marine Birds at Sea World Name Section Polar and Equatorial Penguins Penguins Penguins are flightless birds that are mainly concentrated in the Southern Hemisphere. They were first discovered
More informationPerformance of the Campelen 1800 Shrimp Trawl During the 1995 Northwest Atlantic Fisheries Centre Autumn Groundfish Survey
NAFO Sci. Coun. Studies, 29: 105 116 Performance of the Campelen 1800 Shrimp Trawl During the 1995 Northwest Atlantic Fisheries Centre Autumn Groundfish Survey Stephen J. Walsh and Barry R. McCallum Northwest
More informationMonitoring marine debris ingestion in loggerhead sea turtle, Caretta caretta, from East Spain (Western Mediterranean) since 1995 to 2016
6th Mediterranean Conference on Marine Turtles 16 19 October 2018, Poreč, Croatia Monitoring marine debris ingestion in loggerhead sea turtle, Caretta caretta, from East Spain (Western Mediterranean) since
More informationAssessment of cryptic seabird mortality due to trawl warps and longlines Final Report: INT Johanna Pierre Yvan Richard Edward Abraham
Assessment of cryptic seabird mortality due to trawl warps and longlines Final Report: INT2013-05 Johanna Pierre Yvan Richard Edward Abraham Introduction Understanding the extent of bycatch important for
More informationINTERACTIONS BETWEEN COD (Gadus morhua) AND DEEP SEA SHRIMP (Pancialus borealis) IN THE BARENTS SEA. Knut Korsbrekke, Sigbj0rn Mehl and Arvid Hylen
International Council for the ~xploration of the Sea '~e4,i2'vt,~ h,'(:c~/r.c.,t~1 &\it~ C.M. 1991/K:61, Ref. G '-Shellfish Committee INTERACTIONS BETWEEN COD (Gadus morhua) AND DEEP SEA SHRIMP (Pancialus
More informationDugong movements Current knowledge and tracking tools
Christophe Matthieu Juncker Cleguer Christophe Cleguer Dugong movements Current knowledge and tracking tools Christophe Cleguer & Helene Marsh Dugong tracking What do we know about dugong movements? How
More informationIsotope Ratio Studies of Marine Mammals in Prince William Sound
Nova Southeastern University NSUWorks Marine & Environmental Sciences Faculty Reports Department of Marine and Environmental Sciences 4-1-1997 Isotope Ratio Studies of Marine Mammals in Prince William
More informationFISH DIVISION Oregon Department of Fish and Wildlife
INFORMATION REPORTS NUMBER 2014-06 FISH DIVISION Oregon Department of Fish and Wildlife Evaluating the population-level impact of the ocean shrimp (Pandalus jordani) trawl fishery on the southern distinct
More informationBOTTOM & PELAGIC SAMPLING TRAWLS IN LAKE VICTORIA (KENYA)
Final project 2013 BOTTOM & PELAGIC SAMPLING TRAWLS IN LAKE VICTORIA (KENYA) Fredrick Otieno Okello Kenya Marine and Fisheries Research Institute, PO Box 1881-40100, Nkrumah Road Kisumu Kenya fredkely@gmail.com
More informationAPPENDIX J APEX: J
APPENDIX J APEX: 96163 J Exxon Valdez Oil Spill Restoration Project Annual Report Barren Islands Seabird Studies, 1996 Restoration Project 96163J Annual Report This annual report has been prepared for
More informationCRESTED AUKLETS AT ST. LAWRENCE ISLAND, ALASKA
EFFECTS OF HUMAN DISTURBANCE ON BREEDING LEAST AND CRESTED AUKLETS AT ST. LAWRENCE ISLAND, ALASKA JOHN F. PIATT, BAY D. ROBERTS, WAYNE W. LIDSTER, JOHN L. WELLS, AND SCOTT A. HATCH Alaska Fish and Wildlife
More informationExxon Valdez Oil Spill Restoration Project Annual Report. Barren Islands Seabird Studies, Restoration Project J Annual Report
Exxon Valdez Oil Spill Restoration Project Annual Report Barren Islands Seabird Studies, 1997 Restoration Project 971 63 J Annual Report This annual report has been prepared for peer review as part of
More informationTeacher Workbooks. Language Arts Series Internet Reading Comprehension Oceans Theme, Vol. 1
Teacher Workbooks Language Arts Series Internet Reading Comprehension Oceans Theme, Vol. 1 Copyright 2003 Teachnology Publishing Company A Division of Teachnology, Inc. For additional information, visit
More informationImplementing Management Plans And Voluntary Initiatives Regarding Fads: The Opagac Experience
IATTC Implementing Management Plans And Voluntary Initiatives Regarding Fads: The Opagac Experience MIGUEL HERRERA & JULIO MORON 3 rd Meeting of the IATTC ad-hoc Working Group on FADs, La Jolla 11-12 May
More informationPicture Hint Cards. Non-Linguistic Representation. Word and Student Friendly Definition
Picture Hint Cards Word and Student Friendly Definition Non-Linguistic Representation Ecosystem (xx)- the area that species live in interconnected ways. For example: tropical rain forest, or dry deserts.
More informationModeling and Control of Trawl Systems
Modeling and Control of Trawl Systems Karl-Johan Reite, SINTEF Fisheries and Aquaculture Supervisor: Professor A. J. Sørensen * Advisor: Professor H. Ellingsen * * Norwegian University of Science and Technology
More informationSteller Sea Lions at Cattle Point. Sarah Catherine Milligan. Pelagic Ecosystem Function Research Apprenticeship Fall 2014
Pinniped Abundance and Distribution in the San Juan Channel, and Haulout Patterns of Steller Sea Lions at Cattle Point Sarah Catherine Milligan Pelagic Ecosystem Function Research Apprenticeship Fall 214
More informationTexas Quail Index. Result Demonstration Report 2016
Texas Quail Index Result Demonstration Report 2016 Cooperators: Jerry Coplen, County Extension Agent for Knox County Amanda Gobeli, Extension Associate Dr. Dale Rollins, Statewide Coordinator Circle Bar
More informationDevelopment of a GIS as a Management Tool to Reduce Sea Turtle Bycatch in U.S. Atlantic Ocean and Gulf of Mexico Fisheries
Development of a GIS as a Management Tool to Reduce Sea Turtle Bycatch in U.S. Atlantic Ocean and Gulf of Mexico Fisheries A partnership project between NOAA s National Marine Fisheries Service s Office
More informationSponges and cnidarians were the first animals to evolve from a multicellular ancestor.
Section 3: Sponges and cnidarians were the first animals to evolve from a multicellular ancestor. K What I Know W What I Want to Find Out L What I Learned Vocabulary Review diploid New filter feeder sessile
More informationEstimation of pelagic trawl efficiency in a combined acoustictrawl. survey, with reference to demersal fish spatial distribution.
ICES CM 2008/Theme session (I).Fishing Capacity, effort and fishing mortality; The understanding of fishery dynamics and their links to management Estimation of pelagic trawl efficiency in a combined acoustictrawl
More informationExxon Valdez Oil Spill Restoration Project Annual Report. Isotope Ratio Studies of Marine Mammals in Prince William Sound
Exxon Valdez Oil Spill Restoration Project Annual Report Isotope Ratio Studies of Marine Mammals in Prince William Sound Restoration Project 97 1 70 Annual Report This annual report has been prepared for
More informationGRID DEVICES TO SELECT SHRIMP SIZE IN TRAWLS
CES STATUTORY MEETNG 1993 Fish Capture Committee C.M.1993/B:35 Ref. K GRD DEVCES TO SELECT SHRMP SZE N TRAWLS by John W. Valdemarsen1, Klaus Lehmann 2, Frank Riget 3 and Jesper Boje 4 ABSTRACT Discard
More information1995 Activities Summary
Marine Turtle Tagging Program Tagging Data for Nesting Turtles and Netted & Released Turtles 199 Activities Summary Submitted to: NMFS - Miami Lab Cooperative Marine Turtle Tagging Program 7 Virginia Beach
More information[Source: D W Sims and V A Quayla (1998) Nature 393, pages ] (2)
1. Basking sharks (Cetorhinus maximus) filter feed on zooplankton (small floating marine animals) in temperate coastal seas. Marine biologists recorded the swimming paths taken by two basking sharks about
More informationAn Overview of Protected Species Commonly Found in the Gulf of Mexico. NOAA Fisheries Service Southeast Regional Office Protected Resources Division
An Overview of Protected Species Commonly Found in the Gulf of Mexico NOAA Fisheries Service Southeast Regional Office Protected Resources Division Revised December 2006 Introduction PROTECTED SPECIES
More informationNOTE Dimensions and Composition of Mariana Crow Nests on Rota, Mariana Islands
Micronesica 29(2): 299-304, 1996 NOTE Dimensions and Composition of Mariana Crow Nests on Rota, Mariana Islands MICHAEL R. LUSK 1 AND ESTANISLAO TAISACAN Division of Fish and Wildlife, Rota, MP 96951.
More informationEcological and Oceanographic Influences on Leatherback Turtle Behavior and Scyphozoan Jellyfish Distributions in the Gulf of Mexico
The University of Southern Mississippi The Aquila Digital Community Dissertations Winter 12-2017 Ecological and Oceanographic Influences on Leatherback Turtle Behavior and Scyphozoan Jellyfish Distributions
More informationYour web browser (Safari 7) is out of date. For more security, comfort and the best experience on this site: Update your browser Ignore
Your web browser (Safari 7) is out of date. For more security, comfort and the best experience on this site: Update your browser Ignore Activitydevelop TRACK L EATHERBACK SEA TU RTL ES What routes do leatherback
More informationTexas Quail Index. Result Demonstration Report 2016
Texas Quail Index Result Demonstration Report 2016 Cooperators: Josh Kouns, County Extension Agent for Baylor County Amanda Gobeli, Extension Associate Dr. Dale Rollins, Statewide Coordinator Bill Whitley,
More information2011 Winner: Yamazaki Double-Weight Branchline
2011 Winner: Yamazaki Double-Weight Branchline Innovative Japanese Design to Reduce Seabird Bycatch Wins Both the Smart Gear 2011 Grand Prize, and the Tuna Prize For the first time since the Smart Gear
More informationEmerging Infections and the Ecotone. Cover: Emerging Zoonoses and Pathogens of Public Health Concern
Emerging Infections and the Ecotone Cover: Emerging Zoonoses and Pathogens of Public Health Concern To learn more, log on to: www.medicalecology.org An ecotone is a narrow transition zone between one
More informationIMARES Wageningen UR. Pilot: collecting Marine litter during regular fish surveys. Ralf van Hal and Marcel de Vries. Report number C112/13
Pilot: collecting Marine litter during regular fish surveys Ralf van Hal and Marcel de Vries Report number C112/13 IMARES Wageningen UR (IMARES - Institute for Marine Resources & Ecosystem Studies) Client:
More informationShrimp Trawl Bycatch Reduction. Dan Foster NOAA Fisheries Service Harvesting Systems and Engineering Division
Shrimp Trawl Bycatch Reduction Dan Foster NOAA Fisheries Service Harvesting Systems and Engineering Division 1 Presentation Proposed certification criterion Revised list of allowable BRDs Status of research
More information