A Marine Biodiversity Observation Network for Genetic Monitoring of Hard-Bottom Communities (ARMS-MBON) Matthias Obst, Katrina Exter, A
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BIOLOGICAL FEATURES on EPIBIOSIS of Amphibalanus Improvisus (CIRRIPEDIA) on Macrobrachium Acanthurus (DECAPODA)*
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Cadernos Espinosanos (E-Journal) BRAZILIAN JOURNAL OF OCEANOGRAPHY, 58(special issue IV SBO):15-22, 2010 BIOLOGICAL FEATURES ON EPIBIOSIS OF Amphibalanus improvisus (CIRRIPEDIA) ON Macrobrachium acanthurus (DECAPODA)* Cristiane Maria Rocha Farrapeira¹** and Tereza Cristina dos Santos Calado² 1Universidade Federal Rural de Pernambuco – UFRPE Departamento de Biologia (Rua Dom Manoel de Medeiros, s/nº, 52-171-900 Recife, PE, Brasil) 2Universidade Federal de Alagoas – UFAL Laboratório Integrado de Ciências do Mar e Naturais (Rua Aristeu de Andrade, 452, 57051-090 Maceió, AL, Brasil) **[email protected] A B S T R A C T This study aimed to describe the epibiosis of barnacles Amphibalanus improvisus on eight adult Macrobrachium acanthurus males from the Mundaú Lagoon, state of Alagoas, Brazil. The number of epibiont barnacles varied from 247 to 1,544 specimens per prawn; these were distributed predominantly on the cephalothorax and pereiopods, but also on the abdomen and other appendices. Although some were already reproducing, most barnacles had been recruited recently or were still sexually immature; this suggests recent host arrival in that estuarine environment. Despite the fact that other barnacles occur in this region, A. improvisus is the only species reported as an epibiont on Macrobrachium acanthurus; this was also the first record of epibiosis on this host . The occurrence of innumerable specimens in the pereiopods' articulations and the almost complete covering of the carapace of some prawns (which also increased their weight) suggest that A. improvisus is adapted to fixate this kind of biogenic substrate and that the relationship between the two species biologically damages the basibiont. -
E Urban Sanctuary Algae and Marine Invertebrates of Ricketts Point Marine Sanctuary
!e Urban Sanctuary Algae and Marine Invertebrates of Ricketts Point Marine Sanctuary Jessica Reeves & John Buckeridge Published by: Greypath Productions Marine Care Ricketts Point PO Box 7356, Beaumaris 3193 Copyright © 2012 Marine Care Ricketts Point !is work is copyright. Apart from any use permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission of the publisher. Photographs remain copyright of the individual photographers listed. ISBN 978-0-9804483-5-1 Designed and typeset by Anthony Bright Edited by Alison Vaughan Printed by Hawker Brownlow Education Cheltenham, Victoria Cover photo: Rocky reef habitat at Ricketts Point Marine Sanctuary, David Reinhard Contents Introduction v Visiting the Sanctuary vii How to use this book viii Warning viii Habitat ix Depth x Distribution x Abundance xi Reference xi A note on nomenclature xii Acknowledgements xii Species descriptions 1 Algal key 116 Marine invertebrate key 116 Glossary 118 Further reading 120 Index 122 iii Figure 1: Ricketts Point Marine Sanctuary. !e intertidal zone rocky shore platform dominated by the brown alga Hormosira banksii. Photograph: John Buckeridge. iv Introduction Most Australians live near the sea – it is part of our national psyche. We exercise in it, explore it, relax by it, "sh in it – some even paint it – but most of us simply enjoy its changing modes and its fascinating beauty. Ricketts Point Marine Sanctuary comprises 115 hectares of protected marine environment, located o# Beaumaris in Melbourne’s southeast ("gs 1–2). !e sanctuary includes the coastal waters from Table Rock Point to Quiet Corner, from the high tide mark to approximately 400 metres o#shore. -
The Barnacle Amphibalanus Improvisus (Darwin, 1854), and the Mitten Crab Eriocheir: One Invasive Species Getting Off on Another!
BioInvasions Records (2015) Volume 4, Issue 3: 205–209 Open Access doi: http://dx.doi.org/10.3391/bir.2015.4.3.09 © 2015 The Author(s). Journal compilation © 2015 REABIC Rapid Communication The barnacle Amphibalanus improvisus (Darwin, 1854), and the mitten crab Eriocheir: one invasive species getting off on another! Murtada D. Naser1,4, Philip S. Rainbow2, Paul F. Clark2*, Amaal Gh. Yasser1,4 and Diana S. Jones3 1Marine Biology Department, Marine Science Centre, University of Basrah, Basrah, Iraq 2Department of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, England 3Western Australian Museum, 49 Kew Street, Welshpool, Western Australia, 6106 Australia 4Australian Rivers Institute, Griffith University, 170 Kessels Road, Nathan, Queensland, 4111 Australia E-mail: [email protected] (MDN), [email protected] (PSR), [email protected] (PFC), [email protected] (AGY), [email protected] (DSJ) *Corresponding author Received: 9 March 2015 / Accepted: 20 May 2015 / Published online: 16 June 2015 Handling editor: Vadim Panov Abstract The balanoid barnacle, Amphibalanus improvisus (Darwin, 1854), was found on the carapaces of two invasive species of mitten crabs: Eriocheir sinensis H. Milne Edwards, 1853 and E. hepuensis Dai, 1991. The first instance was from a female mitten crab captured from the River Thames estuary, Kent, England, where A. improvisus is common. However, the second record, on a Hepu mitten crab from Iraq is the first record of A. improvisus from the Persian Gulf. Key words: Eriocheir sinensis H. Milne Edwards, 1853, E. hepuensis Dai, 1991, invasive species, England, Iraq, barnacles, mitten crabs Introduction the eastern and western North Atlantic; Baltic Sea; west coast of Africa (to the Cape of Good “Hairy” (Southeast and East Asia) or “mitten” Hope); Mediterranean Sea; Black Sea; Caspian (Europe) crabs are currently assigned to Eriocheir Sea; Red Sea; Straits of Malacca; Singapore; De Haan, 1835 (Brachyura: Grapsoidea: Varunidae). -
Phyllodesmium Tuberculatum Tritonia Sp. 3 Doto Sp. H Facelina Sp. A
Austraeolis stearnsi Hermosita hakunamatata Learchis poica Phidiana militaris Protaeolidiella juliae Moridilla brockii Noumeaella sp. 4 Cerberilla bernadettae Cerberilla sp. A Noumeaella sp. B Facelina sp. A Tritonia nilsodhneri Tritoniella belli Flabellina babai Notaeolidia depressa Tethys fimbria Armina californica Tritonia sp. F Tritonia antarctica Tritonia pickensi Leminda millecra Marianina rosea Scyllaea pelagica Pteraeolidia ianthina Limenandra sp. B 1 1 Limenandra fusiformis Limenandra sp. C 0.99 Limenandra sp. A Baeolidia nodosa 1 Spurilla sargassicola 0.82 Spurilla neapolitana 0.75 Spurilla sp. A Spurilla braziliana 1 Protaeolidiella atra Caloria indica 1 Aeolidia sp. B 0.92 Aeolidia sp. A Aeolidia papillosa 1 Glaucus atlanticus Glaucus marginatus 1 Tritonia diomedea Tritonia festiva 0.99 Hancockia californica 1 Hancockia uncinata Hancockia cf. uncinata 0.99 Spurilla creutzbergi 1 Berghia verrucicornis 0.98 Berghia coerulescens 0.91 Aeolidiella stephanieae 1 Berghia rissodominguezi 0.9 Berghia columbina Berghia sp. A 0.99 Aeolidiella sanguinea Aeolidiella alderi 0.99 Phidiana hiltoni Phidiana lynceus Armina lovenii 0.98 Armina sp. 3 Armina sp. 9 Dermatobranchus semistriatus Dermatobranchus sp. A 1 Armina semperi 0.89 Armina sp. 0.98 Dermatobranchus sp. 12 1 Dermatobranchus sp. 7 0.86 Dermatobranchus sp. 17 Dermatobranchus pustulosus 0.72 Dermatobranchus sp. 16 Dermatobranchus sp. 21 0.97 Dirona albolineata Charcotia granulosa 0.95 Baeolidia moebii 0.85 Aeolidiopsis ransoni 0.75 Baeolidia sp. A 1 Berghia salaamica 0.98 0.51 Berghia cf. salaamica 0.97 Baeolidia sp. B 0.94 Baeolidia japonica Baeolidia sp. C 0.95 Noumeaella sp. 3 Noumeaella rehderi 0.91 Cerberilla sp. B 0.57 Cerberilla sp. -
Nudibranch Range Shifts Associated with the 2014 Warm Anomaly in the Northeast Pacific
Bulletin of the Southern California Academy of Sciences Volume 115 | Issue 1 Article 2 4-26-2016 Nudibranch Range Shifts associated with the 2014 Warm Anomaly in the Northeast Pacific Jeffrey HR Goddard University of California, Santa Barbara, [email protected] Nancy Treneman University of Oregon William E. Pence Douglas E. Mason California High School Phillip M. Dobry See next page for additional authors Follow this and additional works at: https://scholar.oxy.edu/scas Part of the Marine Biology Commons, Population Biology Commons, and the Zoology Commons Recommended Citation Goddard, Jeffrey HR; Treneman, Nancy; Pence, William E.; Mason, Douglas E.; Dobry, Phillip M.; Green, Brenna; and Hoover, Craig (2016) "Nudibranch Range Shifts associated with the 2014 Warm Anomaly in the Northeast Pacific," Bulletin of the Southern California Academy of Sciences: Vol. 115: Iss. 1. Available at: https://scholar.oxy.edu/scas/vol115/iss1/2 This Article is brought to you for free and open access by OxyScholar. It has been accepted for inclusion in Bulletin of the Southern California Academy of Sciences by an authorized editor of OxyScholar. For more information, please contact [email protected]. Nudibranch Range Shifts associated with the 2014 Warm Anomaly in the Northeast Pacific Cover Page Footnote We thank Will and Ziggy Goddard for their expert assistance in the field, Jackie Sones and Eric Sanford of the Bodega Marine Laboratory for sharing their observations and knowledge of the intertidal fauna of Bodega Head and Sonoma County, and David Anderson of the National Park Service and Richard Emlet of the University of Oregon for sharing their respective observations of Okenia rosacea in northern California and southern Oregon. -
Copper Tolerance of Amphibalanus Amphitrite As Observed in Central Florida
Copper Tolerance of Amphibalanus amphitrite as Observed in Central Florida by Hannah Grace Brinson Bachelor of Science Oceanography Florida Institute of Technology 2015 A thesis submitted to Department of Ocean Engineering and Sciences at Florida Institute of Technology in partial fulfillment of the requirements for the degree of: Master of Science in Biological Oceanography Melbourne, Florida December 2017 We the undersigned committee hereby approve the attached thesis, “Copper Tolerance of Amphibalanus amphitrite as observed in Central Florida,” by Hannah Grace Brinson. ________________________________ Emily Ralston, Ph.D. Research Assistant Professor of Ocean Engineering and Sciences; Department of Ocean Engineering and Sciences Major Advisor ________________________________ Geoffrey Swain, Ph.D. Professor of Oceanography and Ocean Engineering; Department of Ocean Engineering and Sciences ________________________________ Kevin B. Johnson, Ph.D. Chair of Ocean Sciences; Professor of Oceanography and Environmental Sciences; Department of Ocean Engineering and Sciences ________________________________ Richard Aronson, Ph.D. Department Head and Professor of Biological Sciences; Department of Biological Sciences ________________________________ Dr. Marco Carvalho Dean of College of Engineering and Computing Abstract Copper Tolerance of Amphibalanus amphitrite as observed in Central Florida by Hannah Grace Brinson Major Advisor: Emily Ralston, Ph.D. Copper tolerance in the invasive barnacle Amphibalanus amphitrite has been observed in Florida -
Year 2 Report
NORTH PACIFIC MARINE SCIENCE ORGANIZATION (PICES) PROJECT ON “EFFECTS OF MARINE DEBRIS CAUSED BY THE GREAT TSUNAMI OF 2011” Year 2 Final Report 1. PROJECT INFORMATION Title: PICES Tohoku coast field survey (fouling plate) – supplemental study for U.S. tsunami debris spp. list Award period July 15, 2015 – March 31, 2016 Amount of funding $ 68,965 CAD Report submission date December 12, 2015 Lead Author of Report* Hisatsugu Kato (JANUS), Michio Otani, Karin Baba (JANUS) Principal Investigator(s), Co-Principal Investigators and Recipient Organization(s): Dr. Hisatsugu Kato Karin Baba Japan NUS Co., LTD. Nishi-Shinjuku Kimuraya Building 5F, 7-5-25 Nishi-Shinjuku, Shinjuku-Ku, Tokyo 160-0023, Japan Phone: (81)-3-5925-6866 (direct) Email: [email protected] Dr. Michio Otani Rokujo Midori-machi 3-9-10, Nara City, Japan, 630-8045 Tel & Fax: 81-742-48-8552 2. EXECUTIVE SUMMARY Introduction During the Great East Japan Earthquake and tsunami in 2011, vast amount of debris got washed out from land and some became Japanese Tsunami Marine Debris (JTMD) and reached Hawaii and west coast of the U.S. and Canada with many coastal fouling organisms attached. It is uncertain amount and species of fouling organisms which were transferred from Japan to the U.S. and Canada. This research is the survey which is aimed to obtain a thorough collection of fouling organisms to morphologically and genetically complement the existing collection of JTMD species in Japan. 1 Materials and method The survey was conducted at several locations in the Tohoku coast. Fouling plates of 14 cm square were placed in 3 different locations; Miyako (Iwate prefecture), Kesennuma and Matsushima (Miyagi prefecture) in July or August, 2015 (Figure 1). -
Cuthona Sp. 7 Notobryon Sp. C Dendronotus Rufus Limenandra Sp
Austraeolis stearnsi Hermosita hakunamatata Learchis poica Phidiana militaris Protaeolidiella juliae Moridilla brockii Noumeaella sp. 4 Cerberilla bernadettae Cerberilla sp. A Cerberilla sp. C Noumeaella sp. B Facelina sp. A Cratena peregrina Tritonia nilsodhneri Tritoniella belli Facelina bostoniensis Notaeolidia depressa Tethys fimbria Armina californica Tritonia sp. F Tritonia antarctica Tritonia pickensi Leminda millecra Marianina rosea Spurilla major Caloria elegans Flabellina bilas Baeolidia australis Favorinus sp. Pteraeolidia ianthina 1 Tritonia diomedea Tritonia festiva 1 Aeolidia sp. B 0.92 Aeolidia sp. A Aeolidia papillosa 1 Glaucus atlanticus Glaucus marginatus 1 Spurilla sargassicola 0.8 Spurilla neapolitana 0.74 Spurilla sp. A Spurilla braziliana 1 Hancockia californica 1 Hancockia uncinata Hancockia cf. uncinata 1 Facelina annulicornis Facelina punctata Limenandra sp. B 1 1 Limenandra fusiformis Limenandra sp. C 0.99 Limenandra sp. A Baeolidia nodosa 0.99 Protaeolidiella atra Caloria indica 0.99 Anteaeolidiella sp. B 0.91 Anteaeolidiella sp. A 0.62 Anteaeolidiella takanosimensis 0.82 Anteaeolidiella cacaotica 0.91 Anteaeolidiella saldanhensis Anteaeolidiella lurana 0.99 Pruvotfolia longicirrha Pruvotfolia pselliotes 0.98 Phidiana hiltoni Phidiana lynceus 0.98 Aeolidiella sanguinea Aeolidiella alderi Armina neapolitana Armina sp. 3 Armina sp. 9 Dermatobranchus semistriatus 0.97 Dermatobranchus sp. A 1 Armina semperi 0.75 Armina sp. 0.98 Dermatobranchus sp. 12 0.99 Dermatobranchus sp. 7 0.98 0.87 Dermatobranchus sp. 17 Dermatobranchus pustulosus 0.67 Dermatobranchus sp. 16 Dermatobranchus sp. 21 0.65 Armina maculata Armina lovenii 0.97 Spurilla creutzbergi 1 Berghia verrucicornis 0.98 Berghia coerulescens 0.9 Berghia columbina 1 Berghia sp. A 0.88 Aeolidiella stephanieae Berghia rissodominguezi Bornella hermanni 0.96 0.8 Bornella calcarata Bornella valdae 0.58 0.8 Bornella anguilla Bornella sarape 0.6 Bornella stellifer Bornella johnsonorum 0.95 Noumeaella sp. -
Articles (Newman and Unger, 2003; Rainbow, 1995; Cumulation in Shells
Biogeosciences, 18, 707–728, 2021 https://doi.org/10.5194/bg-18-707-2021 © Author(s) 2021. This work is distributed under the Creative Commons Attribution 4.0 License. The patterns of elemental concentration (Ca, Na, Sr, Mg, Mn, Ba, Cu, Pb, V, Y, U and Cd) in shells of invertebrates representing different CaCO3 polymorphs: a case study from the brackish Gulf of Gdansk´ (the Baltic Sea) Anna Piwoni-Piórewicz1, Stanislav Strekopytov2,a, Emma Humphreys-Williams2, and Piotr Kuklinski´ 1,3 1Institute of Oceanology, Polish Academy of Sciences, Sopot, 81-712, Poland 2Imaging and Analysis Centre, Natural History Museum, London, SW7 5BD, United Kingdom 3Department of Life Sciences, Natural History Museum, London, SW7 5BD, United Kingdom acurrent address: National Measurement Laboratory, LGC Limited, Teddington, TW11 0LY, United Kingdom Correspondence: Anna Piwoni-Piórewicz ([email protected]) Received: 10 September 2019 – Discussion started: 20 September 2019 Revised: 6 November 2020 – Accepted: 9 December 2020 – Published: 29 January 2021 Abstract. The shells of calcitic arthropod Amphibalanus 1 Introduction improvisus; aragonitic bivalves Cerastoderma glaucum, Limecola balthica, and Mya arenaria; and bimineralic bi- Marine invertebrates such as molluscs, brachiopods, corals, valve Mytilus trossulus were collected in the brackish waters echinoderms, bryozoans and some groups of protozoa of the southern Baltic Sea in order to study patterns of bulk (foraminifera) are able to form skeletons built of calcium car- elemental concentration (Ca, Na, Sr, Mg, Ba, Mn, Cu, Pb, V, bonate. The combination of inorganic CaCO3 crystals and or- Y, U and Cd) in shells composed of different crystal lattices ganic compounds with a characteristic and ordered structure, (calcite and aragonite). -
Insights Into the Synthesis, Secretion and Curing of Barnacle Cyprid Adhesive Via Transcriptomic and Proteomic Analyses of the Cement Gland
marine drugs Article Insights into the Synthesis, Secretion and Curing of Barnacle Cyprid Adhesive via Transcriptomic and Proteomic Analyses of the Cement Gland Guoyong Yan 1,2 , Jin Sun 3 , Zishuai Wang 4, Pei-Yuan Qian 3 and Lisheng He 1,* 1 Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China; [email protected] 2 Center for Human Tissues and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China 3 Department of Ocean Science, Division of Life Science and Hong Kong Branch of The Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Hong Kong 999077, China; [email protected] (J.S.); [email protected] (P.-Y.Q.) 4 Department of Computer Science, City University of Hong Kong, Hong Kong 999077, China; [email protected] * Correspondence: [email protected]; Tel.: +86-898-8838-0060 Received: 4 March 2020; Accepted: 29 March 2020; Published: 31 March 2020 Abstract: Barnacles represent one of the model organisms used for antifouling research, however, knowledge regarding the molecular mechanisms underlying barnacle cyprid cementation is relatively scarce. Here, RNA-seq was used to obtain the transcriptomes of the cement glands where adhesive is generated and the remaining carcasses of Megabalanus volcano cyprids. Comparative transcriptomic analysis identified 9060 differentially expressed genes, with 4383 upregulated in the cement glands. Four cement proteins, named Mvcp113k, Mvcp130k, Mvcp52k and Mvlcp1-122k, were detected in the cement glands. The salivary secretion pathway was significantly enriched in the Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of the differentially expressed genes, implying that the secretion of cyprid adhesive might be analogous to that of saliva. -
Two New Species of the Tropical Facelinid Nudibranch Moridilla Bergh, 1888 (Heterobranchia: Aeolidida) from Australasia Leila Carmona1,* and Nerida G
RECORDS OF THE WESTERN AUSTRALIAN MUSEUM 33 095–102 (2018) DOI: 10.18195/issn.0312-3162.33(1).2018.095-102 Two new species of the tropical facelinid nudibranch Moridilla Bergh, 1888 (Heterobranchia: Aeolidida) from Australasia Leila Carmona1,* and Nerida G. Wilson2 1 Department of Marine Sciences, University of Gothenburg, Box 460, Gothenburg 40530, Sweden; Gothenburg Global Biodiversity Centre, Box 461, Gothenburg SE-405 30, Sweden. 2 Molecular Systematics Unit, Western Australian Museum, Locked Bag 49, Welshpool DC, Western Australia 6986, Australia; School of Biological Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia. * Corresponding author: [email protected] ABSTRACT – The Indo-Pacifc aeolid nudibranch Moridilla brockii Bergh, 1888 comprises a species complex. Here we describe two morphs from the complex as new species. Using morphological comparisons, we show the new species to be closely related but distinct from each other and from M. brockii. Distributed across north-western Australia, M. ffo sp. nov. is known from Exmouth, Western Australia to the Wessel Islands, Northern Territory, whereas M. hermanita sp. nov. is known only from Madang, Papua New Guinea. Differences between the two species include colouration, the size of the receptaculum seminis and some distinction in the jaws. Unravelling the entire complex will take much wider geographic sampling, and will require recollection from the type locality of M. brockii. This group is yet another example of a purportedly widespread aeolid species comprising a complex of species. KEYWORDS: nudibranchia, morphology, cryptic species complex urn:lsid:zoobank.org:pub:2D0B250B-74DC-4E55-814B-0B2FB304200A INTRODUCTION India, which reported some important differences, such As our understanding of the ocean’s biodiversity as the position of the anus, the papillate patterning of improves, so does the recognition of previously the rhinophores and general body colouration (Rao, undetected cryptic diversity. -
Bering Sea Marine Invasive Species Assessment Alaska Center for Conservation Science
Bering Sea Marine Invasive Species Assessment Alaska Center for Conservation Science Scientific Name: Amphibalanus amphitrite Phylum Arthropoda Common Name striped barnacle Class Maxillopoda Order Sessilia Family Balanidae Z:\GAP\NPRB Marine Invasives\NPRB_DB\SppMaps\AMPAMP.p ng 54 Final Rank 57.50 Data Deficiency: 0.00 Category Scores and Data Deficiencies Total Data Deficient Category Score Possible Points Distribution and Habitat: 21.75 30 0 Anthropogenic Influence: 4.75 10 0 Biological Characteristics: 22 30 0 Impacts: 9 30 0 Figure 1. Occurrence records for non-native species, and their geographic proximity to the Bering Sea. Ecoregions are based on the classification system by Spalding et al. (2007). Totals: 57.50 100.00 0.00 Occurrence record data source(s): NEMESIS and NAS databases. General Biological Information Tolerances and Thresholds Minimum Temperature (°C) 0 Minimum Salinity (ppt) 10 Maximum Temperature (°C) 40 Maximum Salinity (ppt) 52 Minimum Reproductive Temperature (°C) 12 Minimum Reproductive Salinity (ppt) 20 Maximum Reproductive Temperature (°C) 23 Maximum Reproductive Salinity (ppt) 35 Additional Notes Amphibalanus amphitrite is a barnacle species with a conical, toothed shell. The shell is white with vertical purple stripes. Shells can grow up to 30.2 mm in diameter, but diameters of 5.5 to 15 mm are more common. This species is easily transported through fouling of hulls and other marine infrastructure. Its native range is difficult to determine because it is part of a species complex that has been introduced worldwide. Report updated on Friday, December 08, 2017 Page 1 of 14 1. Distribution and Habitat 1.1 Survival requirements - Water temperature Choice: Moderate overlap – A moderate area (≥25%) of the Bering Sea has temperatures suitable for year-round survival Score: B 2.5 of High uncertainty? 3.75 Ranking Rationale: Background Information: Temperatures required for year-round survival occur in a moderate Maximum temperature threshold (40°C) is based on an experimental area (≥25%) of the Bering Sea.