Crustacea: Amphipoda: Pseudocrangonyctidae)
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Zootaxa: Crangonyx Islandicus Sp. Nov., a Subterranean Freshwater
Zootaxa 1365: 1–17 (2006) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA 1365 Copyright © 2006 Magnolia Press ISSN 1175-5334 (online edition) Crangonyx islandicus sp. nov., a subterranean freshwater amphipod (Crustacea, Amphipoda, Crangonyctidae) from springs in lava fields in Iceland JÖ R U N D U R S VAVA R S SO N 1 & BJARNI K. KRISTJÁNSSON2 1Institute of Biology, University of Iceland, Askja-Natural Science Building, Sturlugata 7, 101 Reykjavík, Ice- land. E-mail: [email protected] 2Holar University College, 551 Skagafjörður, Iceland. E-mail: [email protected] Abstract Crangonyx islandicus sp. nov. (Crustacea, Amphipoda, Crangonyctidae) is described from Iceland. This is the second species of freshwater, subterranean, gammaridean amphipods found in Iceland and the first species of the family Crangonyctidae. Crangonyx islandicus sp. nov. can be distinguished from other species of the genus Crangonyx by combination of the following characters: the number of spines on the outer and inner lobes of the maxillipedal palp, the presence of a spine at the base of the unguis of the dactylus of gnathopods 1 and 2, stout and short uropod 3, and by a short and wide telson. The species was recorded in South, Southwest, West and Northeast Iceland from numerous springs emerging from relatively young (<10 000 years), porous lavas. The species has apparently survived Pliocene and Pleistocene glaciations in groundwater of porous lava fields and may have persisted in Iceland for several million years. Key words: Amphipoda, Crangonyx, Crangonyctidae, Crangonyctoidea, Iceland, glaciations, subterranean, groundwater, subarctic Introduction Subterranean waters hold a variety of organisms of most animal phyla (see Botosaneanu 1986). -
A New Species of the Genus Pseudocrangonyx (Crustacea, Amphipoda, Pseudocrangonyctidae) from Korea
A peer-reviewed open-access journal ZooKeys 735: 27–44 (2018) New Pseudocrangonyx from Korea 27 doi: 10.3897/zookeys.735.21697 RESEARCH ARTICLE http://zookeys.pensoft.net Launched to accelerate biodiversity research A new species of the genus Pseudocrangonyx (Crustacea, Amphipoda, Pseudocrangonyctidae) from Korea Chi-Woo Lee1,*, Ko Tomikawa2,*, Takafumi Nakano2,3, Gi-Sik Min1 1 Department of Biological Sciences, Inha University, Incheon 22212, South Korea 2 Department of Science Edu- cation, Graduate School of Education, Hiroshima University, Higashihiroshima 739-8524, Japan 3 Present ad- dress: Department of Zoology, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan Corresponding author: Gi-Sik Min ([email protected]) Academic editor: A. Myers | Received 17 October 2017 | Accepted 22 January 2018 | Published 6 February 2018 http://zoobank.org/502338A6-6CF7-4D4E-9B54-8B3615053149 Citation: Lee C-W, Tomikawa K, Nakano T, Min G-S (2018) A new species of the genus Pseudocrangonyx (Crustacea, Amphipoda, Pseudocrangonyctidae) from Korea. ZooKeys 735: 27–44. https://doi.org/10.3897/zookeys.735.21697 Abstract A new subterranean species of pseudocrangonyctid amphipod, Pseudocrangonyx daejeonensis sp. n. is de- scribed from the interstitial waters in Daejeon, Korea. Pseudocrangonyx daejeonensis sp. n. is distinguished from three morphologically similar congeners, P. coreanus Uéno, 1966, P. febras Sidorov, 2009, and P. gudariensis Tomikawa & Sato, 2016, by the characteristics of antenna 1, antenna 2, mandible, gnathopod 2, pleopods, uropods 1–2, and telson. Molecular phylogenetic analyses based on nuclear 28S rRNA and histone H3, and mitochondrial cytochrome c oxidase subunit I and 16S rRNA genes revealed that P. dae- jeonensis is a sister species of the unnamed Pseudocrangonyx sp. -
Updates to the Sporadic Knowledge On
A peer-reviewed open-access journal SubterraneanUpdates Biology to 33:the 71–85 sporadic (2020) knowledge on microsporidian infections in groundwater amphipods 71 doi: 10.3897/subtbiol.33.48633 RESEARCH ARTICLE Subterranean Published by http://subtbiol.pensoft.net The International Society Biology for Subterranean Biology Updates to the sporadic knowledge on microsporidian infections in groundwater amphipods (Crustacea, Amphipoda, Niphargidae) Daniel Grabner1, Dieter Weber2, Alexander M. Weigand3 1 University of Duisburg-Essen, Aquatic Ecology and Centre for Water and Environmental Research, Univer- sitätsstr. 5, 45141 Essen, Germany 2 Université Libre de Bruxelles, Evolutionary Biology & Ecology group, Avenue F.D. Roosevelt 50, B-1050 Brussels, Belgium 3 Musée National d'Histoire Naturelle Luxembourg, 25 Rue Munster, 2160 Luxembourg, Luxembourg Corresponding author: Alexander M. Weigand ([email protected]) Academic editor: O. T. Moldovan | Received 20 November 2019 | Accepted 20 January 2020 | Published 13 February 2020 http://zoobank.org/78CFBE17-0918-455A-8813-C92324DBFCFE Citation: Grabner D, Weber D, Weigand AM (2020) Updates to the sporadic knowledge on microsporidian infections in groundwater amphipods (Crustacea, Amphipoda, Niphargidae). Subterranean Biology 33: 71–85. https://doi. org/10.3897/subtbiol.33.48633 Abstract A set of 69 specimens from 19 groundwater species of the genera Niphargus, Niphargellus, Microniphargus and Crangonyx was genetically screened for microsporidian infections. Samples mostly originated from groundwater-dependent spring environments (71%), natural caves (9%) and artificial caverns/tunnels (13%). Amphipod hosts were identified by morphology and/or molecular data, whereas microsporidian parasites were characterised by a genetic screening assay targeting a section of the small subunit rRNA gene. Five microsporidian species (Dictyocoela duebenum; Nosema sp.; Hyperspora aquatica and two unde- scribed Microsporidium spp.) were revealed from 13 host specimens (Niphargus schellenbergi; N. -
Microsoft Outlook
Joey Steil From: Leslie Jordan <[email protected]> Sent: Tuesday, September 25, 2018 1:13 PM To: Angela Ruberto Subject: Potential Environmental Beneficial Users of Surface Water in Your GSA Attachments: Paso Basin - County of San Luis Obispo Groundwater Sustainabilit_detail.xls; Field_Descriptions.xlsx; Freshwater_Species_Data_Sources.xls; FW_Paper_PLOSONE.pdf; FW_Paper_PLOSONE_S1.pdf; FW_Paper_PLOSONE_S2.pdf; FW_Paper_PLOSONE_S3.pdf; FW_Paper_PLOSONE_S4.pdf CALIFORNIA WATER | GROUNDWATER To: GSAs We write to provide a starting point for addressing environmental beneficial users of surface water, as required under the Sustainable Groundwater Management Act (SGMA). SGMA seeks to achieve sustainability, which is defined as the absence of several undesirable results, including “depletions of interconnected surface water that have significant and unreasonable adverse impacts on beneficial users of surface water” (Water Code §10721). The Nature Conservancy (TNC) is a science-based, nonprofit organization with a mission to conserve the lands and waters on which all life depends. Like humans, plants and animals often rely on groundwater for survival, which is why TNC helped develop, and is now helping to implement, SGMA. Earlier this year, we launched the Groundwater Resource Hub, which is an online resource intended to help make it easier and cheaper to address environmental requirements under SGMA. As a first step in addressing when depletions might have an adverse impact, The Nature Conservancy recommends identifying the beneficial users of surface water, which include environmental users. This is a critical step, as it is impossible to define “significant and unreasonable adverse impacts” without knowing what is being impacted. To make this easy, we are providing this letter and the accompanying documents as the best available science on the freshwater species within the boundary of your groundwater sustainability agency (GSA). -
Arctic Biodiversity Assessment
566 Arctic Biodiversity Assessment The lesser snow goose Chen c. caerulescens shows an approximate east-west cline in their Nearctic breeding distribution in frequency of pale or dark morphs, with blue morphs most common in the east. Although studies of fitness components failed to uncover any adaptive advantage associated with either morph, geese show strong mating preference based on the color of their parents, leading to assortative mating. Queen Maud Gulf Bird Sanctuary, Nunavut, Canada. Photo: Gustaf Samelius. 567 Chapter 17 Genetics Lead Author Joseph A. Cook Contributing Authors Christian Brochmann, Sandra L. Talbot, Vadim B. Fedorov, Eric B. Taylor, Risto Väinölä, Eric P. Hoberg, Marina Kholodova, Kristinn P. Magnusson and Tero Mustonen Contents Summary ..............................................................568 17.5. Recommendations and conservation measures ������������������582 17.1. Introduction .....................................................568 17.5.1. Call for immediate development of freely available, specimen-based archives ...................................582 17.2. Systematics, phylogenetics and phylogeography ................569 17.5.1.1. Build European, Asian and North American 17.2.1. Systematics ................................................569 tissue archives .....................................582 17.2.1.1. Phylogenetics and taxonomy �����������������������569 17.5.2. Expand biodiversity informatics ............................582 17.2.1.2. Systematics and phylogenetics in Arctic species ....569 17.5.2.1. Connect GenBank, EMBL and DDJB to Archives .....582 17.2.2. Phylogeography – setting the stage for interpreting 17.5.2.2. Connect GenBank (Genomics) to GIS applications ..583 changing environmental conditions ........................571 17.5.2.3. Stimulate emerging pathogen investigations 17.2.2.1. Influence of dynamic climates on structuring through integrated inventories ���������������������583 Arctic diversity .....................................571 17.5.2.4. Develop educational interfaces and portals for 17.2.2.2. -
Molecular Phylogenetics Supports the Ancient Laurasian Origin of Old Limnic Crangonyctid Amphipods
Organisms Diversity & Evolution (2019) 19:191–207 https://doi.org/10.1007/s13127-019-00401-7 ORIGINAL ARTICLE Adrift across tectonic plates: molecular phylogenetics supports the ancient Laurasian origin of old limnic crangonyctid amphipods Denis Copilaş-Ciocianu1,2 & Dmitry Sidorov3 & Andrey Gontcharov3 Received: 24 October 2018 /Accepted: 6 March 2019 /Published online: 22 March 2019 # Gesellschaft für Biologische Systematik 2019, corrected publication 2019 Abstract Crangonyctidae is a speciose and almost exclusively freshwater Holarctic family of amphipod crustaceans. Its members inhabit groundwater as well as epigean biotopes with groundwater connections, and often exhibit endemic, relict distributions. Therefore, it has been proposed that this poorly dispersing, yet intercontinentally distributed family must have ancient Mesozoic origins. Here, we test the hypothesis that Crangonyctidae originated before the final break-up of Laurasia at the end of the Cretaceous. We used molecular phylogenetic analyses based on mitochondrial and nuclear markers and incorporated six out of the seven recognized genera. We calculated divergence times using a novel calibration scheme based exclusively on fossils and, for comparison, also applied substitution rates previously inferred for other arthropods. Our results indicate that crangonyctids originated during the Early Cretaceous in a northerly temperate area comprising nowadays North America and Europe, supporting the Laurasian origin hypothesis. Moreover, high latitude lineages were found to be generally older than the ones at lower latitudes, further supporting the boreal origin of the group and its relict biogeography. The estimated substitution rate of 1.773% Ma−1 for the COI marker agrees well with other arthropod rates, making it appropriate for dating divergences at various phylogenetic levels within the Amphipoda. -
Groundwater Ecology: Invertebrate Community Distribution Across the Benthic, Hyporheic and Phreatic Habitats of a Chalk Aquifer in Southeast England
Groundwater Ecology: Invertebrate Community Distribution across the Benthic, Hyporheic and Phreatic Habitats of a Chalk Aquifer in Southeast England Jessica M. Durkota Thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy University College London Declaration of the Author I, Jessica M. Durkota, confirm that the work presented in this thesis is my own. Where information has been derived from other sources, I confirm that this has been indicated in the thesis. This work was undertaken with the partial support of the Environment Agency. The views expressed in this publication are mine and mine alone and not necessarily those of the Environment Agency or University College London (UCL). 2 Abstract Groundwater is an important resource for drinking water, agriculture, and industry, but it also plays an essential role in supporting the functioning of freshwater ecosystems and providing habitat for a number of rare species. However, despite its importance, groundwater ecology often receives little attention in environmental legislation or research. This study aims to improve our understanding of the organisms living in groundwater-dependent habitats and the influence of environmental conditions on their distribution. Invertebrate communities occurring in the benthic, hyporheic and phreatic habitats were surveyed at twelve sites over four years across the Stour Chalk Block, a lowland catchment in southern England. A diverse range of stygoxenes, stygophiles and stygobionts, including the first record of Gammarus fossarum in the British Isles, were identified using morphological and molecular techniques. The results indicate that under normal conditions, each habitat provided differing environmental conditions which supported a distinctive invertebrate community. -
Board of Game and Inland Fisheries Meeting Agenda
Revised Board of Game and Inland Fisheries 4000 West Broad Street, Board Room Richmond, Virginia 23230 August 14, 2012 9:00am Call to order and welcome, reading of the Mission Statement and Pledge of Allegiance to the Flag. 1. Recognition of Employees and Others 2. Public Comments – Department plan to build a new headquarters under PPEA 3. Public Comments – Non-Agenda Items 4. Approval of July 10, 2012 Board Meeting Minutes 5. Committee Meeting Reports: Wildlife, Boat and Law Enforcement Committee: Mr. Turner, Chairman of the Wildlife, Boat and Law Enforcement Committee, will report on the activities of the August 7, 2012 Committee Meeting. The Committee will recommend the following items to the full Board for final action: Staff Recommendations – Fisheries Regulation Amendments Staff Recommendations – Diversity Regulation Amendments Staff Recommendations – Boating Regulation Amendments Staff Recommendations – 2012-2013 Migratory Waterfowl Seasons and Bag Limits Staff Recommendations – ADA Regulation Agency Land Use Plan Proposed CY2013 Board Meeting Schedule Finance, Audit and Compliance Committee: Mr. Colgate, Chairman of the Finance, Audit and Compliance Committee, will report on the activities of the July 25, 2012 Committee Meeting. The Committee will present the following reports: FY2012 Year-end Financial Summary Internal Audit FY2013 Work Plan - Final Action Education, Planning and Outreach Committee: Ms. Caruso, Chairwoman of the Education, Planning, and Outreach Committee Meeting. Ms. Caruso will announce the next Committee Meeting will be held on October 17, 2012 beginning at 10:00am. 6. Closed Session 7. Director's Report: 8. Chairman's Remarks 9. Additional Business/Comments 10. Next Meeting Date: October 18, 2012 beginning at 9:00am 11. -
Systematics of the Subterranean Amphipod Genus Stygobromus (Crangonyctidae), Part II: Species of the Eastern United States
Systematics of the Subterranean Amphipod Genus Stygobromus (Crangonyctidae), Part II: Species of the Eastern United States JOHN R. HOLSINGER SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY · NUMBER 266 SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTION Emphasis upon publication as a means of "diffusing knowledge" was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge." This theme of basic research has been adhered to through the years by thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to the Marine Sciences Smithsonian Contributions to Pa/eob/o/ogy Smithsonian Contributions to Zoology Smithsonian Studies in Air and Space Smithsonian Studies in History and Technology In these series, the Institution publishes small papers and full-scale monographs that report the research and collections of its various museums and bureaux or of professional colleagues in the world cf science and scholarship. The publications are distributed by mailing lists to libraries, universities, and similar institutions throughout the world. Papers or monographs submitted for series publication are received by the Smithsonian Institution Press, subject to its own review for format and style, only through departments of the various Smithsonian museums or bureaux, where the manuscripts are given substantive review. -
AMPHIPOD Newsletter 35 (2011)
Amphipod Newsletter 35 ! ! 2011 AMPHIPOD newsletter 35 (2011) Introduction of the Bibliography In remembrance Meetings & info new AN-team The list of new amphipod George Crawford XIV ICA 2010 who will take over the literature since Amphipod Stella Vassilenko XV ICA 2013 Amphipod Newsletter? Newsletter 34 (2010) TCS summer 2012 Page 2 Pages 3 - 43 Pages 44 - 45 Pages 46 - 47 INTRODUCTION The Amphipod Newsletter was started up by me in 1971, and in 40 years I have, often with the help of colleagues, produced 35 issues, at first mimeographed, the later ones on the Amphipod Website on the Internet. I have retired from my position as curator of zoology at Tromsø Museum in Tromsø, N. Norway, 4 years ago on reaching 70, and at the latest amphipod conference, in Sevilla in Spain in September 2010, I have asked for more regular assistance in the production of the newsletter, even though I am willing to continue for the time being to assist in the compiling of a bibliography of recent amphipod literature. At the meeting help was indeed offered, and from this issue, AN 35, the newsletter will be produced in cooperation with Adam Baldinger (Harvard), Miranda Lowe (Natural History Museum, London) and Anne Helene S. Tandberg (Norwegian Institute of New Amphipod Web-Site Marine Research, Tromsø, Norway). They will, maybe unnecessarily for most of you, introduce themselves elsewhere in this newsletter. A new amphipod web-site is Also the Amphipod website will move from Tromsø to Harvard eventually and under construction at as soon as some practical difficulties have been overcome. -
Groundwater Amphipods in Iceland: Population Structure and Phylogenetics
Groundwater amphipods in Iceland: Population structure and phylogenetics Etienne Kornobis Dissertation submitted in partial fulfillment of a Philosophiae Doctor degree in Biology Advisor: Dr. Snæbjörn Pálsson PhD Committee: Pr. Bjarni K. Kristjánsson Pr. Jörundur Svavarsson Opponents: Pr. Christophe Douady Dr. Guðmundur Guðmundsson Faculty of Science School of Engineering and Natural Sciences University of Iceland Reykjavik, october 2011 Groundwater amphipods in Iceland: Population structure and phylogenetics Dissertation submitted in partial fulfillment of a Philosophiae Doctor degree in Biology Copyright c 2011 Etienne Kornobis All rights reserved Faculty of Science School of Engineering and Natural Sciences University of Iceland Sæmundargötu 2 101 Reykjavik Iceland Telephone: 525 4000 Bibliographic information: Etienne Kornobis, 2011, Groundwater amphipods in Iceland: Population struct- ure and phylogenetics, PhD dissertation, Faculty of Science, University of Ice- land, 166 pp. ISBN 978-9935-9064-1-0 Printing: Háskólaprent Reykjavik, Iceland, October 2011 Abstract Crymostygius thingvallensis and Crangonyx islandicus are two endemic species of groundwater amphipods which were recently discovered in Iceland. C. thing- vallensis is uncommon, but represents a new monotypic family Crymostygidae. C. islandicus is widespread in the geologically youngest parts of the island and belongs to a genus which is widely distributed in North America and Eurasia. Both species belong to the superfamily Crangonyctoidea, exclusively composed of freshwater species. Iceland is geographically isolated and was fully covered by an ice sheet during the last glacial maximum, 21 000 years ago, hence the Icelandic biota is characterized by extremely low endemism and low species diversity. Thus, the discovery of these two endemic freshwater species, on an island isolated in the midst of the Atlantic ocean raised questions about their colonization and their survival during the glacial periods of the Ice age. -
Global Diversity of Amphipods (Amphipoda; Crustacea) in Freshwater
Hydrobiologia (2008) 595:241–255 DOI 10.1007/s10750-007-9020-6 FRESHWATER ANIMAL DIVERSITY ASSESSMENT Global diversity of amphipods (Amphipoda; Crustacea) in freshwater R. Va¨ino¨la¨ Æ J. D. S. Witt Æ M. Grabowski Æ J. H. Bradbury Æ K. Jazdzewski Æ B. Sket Ó Springer Science+Business Media B.V. 2007 Abstract Amphipods are brooding peracaridan abundant in cool and temperate environments; they crustaceans whose young undergo direct develop- are particularly diversified in subterranean environ- ment, with no independent larval dispersal stage. ments and in running waters (fragmented habitats), Most species are epibenthic, benthic, or subterranean. and in temperate ancient lakes, but are notably rare in There are some 1,870 amphipod species and subspe- the tropics. Of the described freshwater taxa 70% are cies recognized from fresh or inland waters world- Palearctic, 13% Nearctic, 7% Neotropical, 6% Aus- wide at the end of 2005. This accounts for 20% of the tralasian and 3% Afrotropical. Approximately 45% of total known amphipod diversity. The actual diversity the taxa are subterranean; subterranean diversity is may still be several-fold. Amphipods are most highest in the karst landscapes of Central and Southern Europe (e.g., Niphargidae), North America (Crangonyctidae), and Australia (Paramelitidae). The Guest editors: E. V. Balian, C. Le´veˆque, H. Segers and K. Martens majority of Palearctic epigean amphipods are in the Freshwater Animal Diversity Assessment superfamily Gammaroidea, whereas talitroid amphi- pods (Hyalella) account for all Neotropic and much R. Va¨ino¨la¨ (&) of the Nearctic epigean fauna. Major concentrations Finnish Museum of Natural History, University of of endemic species diversity occur in Southern Helsinki, POB 17, 00014 Helsinki, Finland e-mail: risto.vainola@helsinki.fi Europe, Lake Baikal, the Ponto-Caspian basin, Southern Australia (including Tasmania), and the J.