DOCSLIB.ORG

Avoidance, Minimization, and Mitigation Plan, Rev 2

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Avoidance, Minimization, and Mitigation Plan, Rev 2 APPENDIX P- AVOIDANCE, MINIMIZATION, AND MITIGATION PLAN, REV 2 I-64 Hampton Roads Bridge-Tunnel Expansion Project Hampton Roads Connector Partners 240 Corporate Blvd. 4th floor Norfolk, VA 23502 Hampton -Norfolk, Virginia December 19, 2019 DOCUMENT HISTORY Issue Date Description By Revision Revised for consistency with Revision 1 of the September 18, 2019 R. Wilk 1 Appendix G – Impact Tables December 19, 2019 Revised for re-submittal R. Wilk 2 TABLE OF CONTENTS P.1 Introduction ................................................................................................................................. 1 P.2 Avoidance and Minimization Overview ........................................................................................ 2 P.2.1 Immersed Tube Tunnel vs Bored Tunnel ............................................................................. 2 P.2.2 Construction ......................................................................................................................... 4 P.2.2.1 Temporary Construction Trestles .................................................................................. 4 P.2.2.2 Tunnel Construction ...................................................................................................... 5 P.2.2.3 Erosion and Sediment Control ...................................................................................... 6 P.2.2.4 Temporary Construction Access in Wetlands ................................................................ 7 P.2.2.5 Pile Driving / Underwater Noise Minimization ................................................................ 8 P.2.2.6 Dredging ....................................................................................................................... 9 P.2.2.7 Moorings ....................................................................................................................... 9 P.2.3 Avoidance and Minimization by Location ............................................................................ 11 P.2.3.1 Hampton ..................................................................................................................... 12 P.2.3.2 Bridge/Tunnel .............................................................................................................. 13 P.2.3.3 Norfolk ........................................................................................................................ 14 P.3 Conclusion ................................................................................................................................ 17 P.4 References ................................................................................................................................ 19 FIGURES Figure P-1: Chesapeake Bay Shellfish Grounds .................................................................................. 10 Figure P-2: Potential Mooring and Anchoring Areas ............................................................................ 11 Figure P-3: Settler’s Landing Road ...................................................................................................... 12 Figure P- 4: Bayville Avenue Exit ......................................................................................................... 15 Figure P- 5: 4th View Interchange ........................................................................................................ 16 TABLES Table P- 1. Impact Comparison for ITT and Bored Tunnel ..................................................................... 3 Table P- 2 Permanent WOUS Impact Reduction through Design ........................................................ 12 Page l P-i ATTACHMENTS Attachment P-1- HCA Attachment P-2- Mitigation Plan Attachment P-3- Benthic Report Page l P-ii P.1 INTRODUCTION The proposed Hampton Roads Bridge Tunnel Expansion (HRBT) Expansion Project will improve a section of Interstate 64 (I-64) that provides an important regional transportation link between the cities of Hampton and Norfolk, Virginia. The Project will address severe traffic congestion and will widen I-64 for approximately 9.9 miles along I-64 from Settlers Landing Road in Hampton, Virginia to the I-64/I-564 interchange in Norfolk, Virginia. The Project will create an eight lane facility with six consistent use lanes. The expanded facility will include four general purpose lanes, two new high-occupancy toll (HOT) lanes, and two new drivable (hard-running) shoulders to be used as HOT lanes during peak usage. Wetlands are regulated under section 404 of the Clean Water Act (CWA) which is administered by the U.S. Army Corps of Engineers (USACE) with oversight by the U.S. Environmental Protection Agency (EPA). The 404 permitting program indicates that no discharge into Waters of the US (WOUS) shall be permitted if first, a practicable alternative exists that is less damaging to the aquatic environment, or if the discharge would cause the nation’s waters to be significantly degraded. For a project to be permitted, it must be demonstrated that, to the extent practicable, steps have been taken to avoid impacts to wetlands and other aquatic resources, potential impacts have been minimized, and compensation will be provided for any remaining unavoidable impacts. Additional regulations are provided by the Commonwealth of Virginia through the state’s certification under Section 401, Virginia Water Protection Permit Program Regulation (9 VAC 25 - 210) and Virginia Marine Resources Commission’s (VMRC’s) wetlands mitigation guidelines (4 VAC 20 - 390). The Hampton Roads Connector Partners (HRCP) identifies the avoidance, minimization, and mitigation steps (see attached) the Project has taken to meet 404 requirements and Virginia regulations. Page l P-1 P.2 AVOIDANCE AND MINIMIZATION OVERVIEW P.2.1 IMMERSED TUBE TUNNEL VS BORED TUNNEL Two methods of tunnel construction were considered for the Hampton Roads Bridge-Tunnel (HRBT) Project design. An immersed tube tunnel (ITT) was placed for the existing tunnel and was proposed as an option during the planning and procurement stage for this Project. HRCP incorporated a bored tunnel construction method during the initial stages of design. A tunnel bored underneath the sediment- water interface will avoid substantial in-water impacts related to dredging and avoid direct navigation impacts to the federally- maintained channel. Less disturbance to the channel and open water reduces concerns to commercial ships and military vessels, which will minimize the impact on the economy, tourism, and national security as the tunnel is being constructed. The bored tunnel construction also reduces overall costs, shortens schedule, and improves worker safety (Table P-1). The use of a bored tunnel approach would substantially reduce the volume of dredging when compared to the ITT approach minimizing the need for ocean disposal. Approximately 1,200,000 cubic yards of dredging are required just for placement of the Immersed Tunnel Tube (ITT). Construction of the bored tunnel under the James River will have less disturbance to the main channel that marine life use as a travel corridor. An ITT approach would require building tunnel sections on land and sinking them in place in a dredged trench, then backfilling the trench and covering with stones to protect it from impacts once the sections are connected. This method is more likely to disturb wildlife due to the increased dredging and back-filling as compared to the bored tunnel construction. Construction of the bored tunnel underground results in a reduction of noise, dust, and visual impacts. Finally, the bored tunnel creates substantially less exposure to weather risks such as wind and wave action during construction as the deeper elevations of the tunnel are constructed under the surface of the James River. Page l P-2 Table P- 1. Impact Comparison for ITT and Bored Tunnel Immersed Tube Tunnel JPA Design Bored Difference between Resource (ITT) Tunnel Bored Tunnel and ITT Subaqueous Bottom, 60 acres 0 acres -60 acres EFH, Benthic Habitat Hampton Harbor Entrance Reach 12 acres 0 acres -12 acres Navigation Channel Dredging (in situ) 1,200,000 0 cubic yards -1,200,000 cubic yards Material Excavated by N/A 1,416,000 cubic yards +1,416,000 cubic yards TBM (below WOUS) 77 months – does not fit into the schedule of VDOT. 62 months until Project Schedule – Total -15 months We could not complete the substantial completion project on time. Construction Schedule – 61 months 36 months -25 months Tunnels only 24 months for placing of In-water Work between caissons + 12 months for the 2 islands (direct finishes, including N/A (apart from TBM -36 months impacts to the backfilling and armor delivery) navigation channel)* stones placement (see quantities below) 810,000 cubic yards of fill Rock placement for -810,000 cubic yards of and 200,000 cubic yards of tunnel protection (in fill armor stones to be placed addition to the material N/A on top of the new ITT needed for island -200,000 cubic yards of expansion) armor stone *An ITT is made out of concrete caissons fabricated in a drydock, floated to the project and sunk in place. HRCP calculated 19 caissons during the bid. Lowering them into place is a complicated and lengthy process. The main risk captured during the risks analysis is in case of emergency (a ship or submarine needs to leave immediately), Navy could ask to free the way in less than 2 hours. If HRCP is in the process of sinking a caisson in the middle of the navigation channel, it would be impossible to move in
Load more

Recommended publications
  • Fishery Bulletin of the Fish and Wildlife Service V.55
    CHAPTER VIII SPONGES, COELENTERATES, AND CTENOPHORES Blank page retained for pagination THE PORIFERA OF THE GULF OF MEXICO 1 By J. Q. TIERNEY. Marine Laboratory, University of Miami Sponges are one of the dominant sessile inverte­ groups. The. floor of the Gulf between the bars brate groups in the Gulf of Mexico: they extend is sparsely populated. The majority of the ani­ from the intertidal zone down to the deepest mals and plants are concentrated on the rocky Parts of the basin, and almost all of the firm or ledges and outcroppings. rocky sections of the bottom provide attachment The most abundant sponges on these reefs are for them. of several genera representing most of the orders Members of the class Hyalospongea. (Hexacti­ of the class Demospongea. Several species of nellidea) are, almost without exception, limited to Ircinia are quite common as are Verongia, Sphecio­ the deeper waters of the Gulf beyond the 100­ spongia, and several Axinellid and Ancorinid fathom curve. These sponges possess siliceous sponges; Cliona is very abundant, boring into spicules in which (typically) six rays radiate from molluscan shells, coral, and the rock itself. The II. central point; frequently, the spicules are fused sponge population is rich both in variety and in ~gether forming a basket-like skeleton. Spongin number of individuals; for this reason no attempt 18 never present in this group. is made to discuss it in taxonomic detail in this In contrast to the Hyalospongea, representa­ r~sum~. ti\Tes of the clasa Calcispongea are seldom, if Some of the sponges of the Gulf are of world­ ~\Ter, found in deep water.
    [Show full text]
  • Benthic Invertebrate Community Monitoring and Indicator Development for Barnegat Bay-Little Egg Harbor Estuary
    July 15, 2013 Final Report Project SR12-002: Benthic Invertebrate Community Monitoring and Indicator Development for Barnegat Bay-Little Egg Harbor Estuary Gary L. Taghon, Rutgers University, Project Manager [email protected] Judith P. Grassle, Rutgers University, Co-Manager [email protected] Charlotte M. Fuller, Rutgers University, Co-Manager [email protected] Rosemarie F. Petrecca, Rutgers University, Co-Manager and Quality Assurance Officer [email protected] Patricia Ramey, Senckenberg Research Institute and Natural History Museum, Frankfurt Germany, Co-Manager [email protected] Thomas Belton, NJDEP Project Manager and NJDEP Research Coordinator [email protected] Marc Ferko, NJDEP Quality Assurance Officer [email protected] Bob Schuster, NJDEP Bureau of Marine Water Monitoring [email protected] Introduction The Barnegat Bay ecosystem is potentially under stress from human impacts, which have increased over the past several decades. Benthic macroinvertebrates are commonly included in studies to monitor the effects of human and natural stresses on marine and estuarine ecosystems. There are several reasons for this. Macroinvertebrates (here defined as animals retained on a 0.5-mm mesh sieve) are abundant in most coastal and estuarine sediments, typically on the order of 103 to 104 per meter squared. Benthic communities are typically composed of many taxa from different phyla, and quantitative measures of community diversity (e.g., Rosenberg et al. 2004) and the relative abundance of animals with different feeding behaviors (e.g., Weisberg et al. 1997, Pelletier et al. 2010), can be used to evaluate ecosystem health. Because most benthic invertebrates are sedentary as adults, they function as integrators, over periods of months to years, of the properties of their environment.
    [Show full text]
  • Anthopleura and the Phylogeny of Actinioidea (Cnidaria: Anthozoa: Actiniaria)
    Org Divers Evol (2017) 17:545–564 DOI 10.1007/s13127-017-0326-6 ORIGINAL ARTICLE Anthopleura and the phylogeny of Actinioidea (Cnidaria: Anthozoa: Actiniaria) M. Daly1 & L. M. Crowley2 & P. Larson1 & E. Rodríguez2 & E. Heestand Saucier1,3 & D. G. Fautin4 Received: 29 November 2016 /Accepted: 2 March 2017 /Published online: 27 April 2017 # Gesellschaft für Biologische Systematik 2017 Abstract Members of the sea anemone genus Anthopleura by the discovery that acrorhagi and verrucae are are familiar constituents of rocky intertidal communities. pleisiomorphic for the subset of Actinioidea studied. Despite its familiarity and the number of studies that use its members to understand ecological or biological phe- Keywords Anthopleura . Actinioidea . Cnidaria . Verrucae . nomena, the diversity and phylogeny of this group are poor- Acrorhagi . Pseudoacrorhagi . Atomized coding ly understood. Many of the taxonomic and phylogenetic problems stem from problems with the documentation and interpretation of acrorhagi and verrucae, the two features Anthopleura Duchassaing de Fonbressin and Michelotti, 1860 that are used to recognize members of Anthopleura.These (Cnidaria: Anthozoa: Actiniaria: Actiniidae) is one of the most anatomical features have a broad distribution within the familiar and well-known genera of sea anemones. Its members superfamily Actinioidea, and their occurrence and exclu- are found in both temperate and tropical rocky intertidal hab- sivity are not clear. We use DNA sequences from the nu- itats and are abundant and species-rich when present (e.g., cleus and mitochondrion and cladistic analysis of verrucae Stephenson 1935; Stephenson and Stephenson 1972; and acrorhagi to test the monophyly of Anthopleura and to England 1992; Pearse and Francis 2000).
    [Show full text]
  • The Validity of Anthothoe Chilensis (Actiniaria, Sagartiidae) and Its Distribution in Southern Hemisphere
    . THE VALIDITY OF ANTHOTHOE CHILENSIS (ACTINIARIA, SAGARTIIDAE) AND ITS DISTRIBUTION IN SOUTHERN HEMISPHERE Adriana C. Excoffon^ Maria Júlia C. Belém^ Maurício O. Zamponi^'^ Erika Schlenz^ ABSTRACT Anthothoe chilemis (Lesson, 1830) is redescribed based on specimens collected from the intertidal of Rio de Janeiro (Brazil) and Mar dei Plata (Argentina). The geographic distribution is amplified to the Southwest Atlantic Ocean. The type species of the genus, A. stimpsoni (Verrill, 1870) is considered a junior subjective synonym of A. chilensis. KEYWORDS. Sagartiidae, Anthothoe chilensis, redescription, distribution, synonymy. INTRODUCTION CARLGREN (1949) listed four species: Anthothoe stimpsoni (Verrill, 1870), A. austraUensis Carlgren, 1949, A. vagrans (Stuckey, 1909) and A. panamensis Carlgren, 1949, in the genus Anthothoe Carlgren, 1938. A. panamensis should be considered as "species inquirenda", since CARLGREN (1951: 433) identified doubtfuUy two specimens from the Gulf of California as "A. panamensis (Verrill) " CARLGREN (1950a, 1959) ixdinsíexveá Actinothoe albocincta Hutton, 1878 and Actinothoe chilensis Lesson, 1830, respectively, to the genus Anthothoe. The genus is considered as endemic to the Southern Hemisphere. 1 Laboratório de Biologia de Cnidarios. Departamento de Ciências Marinas. Faculdad de Ciências Exactas y Naturales. UNMP. Funes 3250. 7600. Mar dei Plata. Argentina. 2. Universidade Federal do Rio de Janeiro. Caixa Postal 24.030; CEP 20522-970, Rio de Janeiro, RJ, Brasil. (CNPq researcher). 3. CONICET researcher. 4. Departamento de Zoologia. Instituto de Biociências, Universidade de São Paulo, Caixa Postal 1 1 .294; CEP 05422-970, São Paulo, SP, Brasil. Iheringia, Sér. Zool., Porto Alegre, (82): 107-1 18,1 1 abr. 1997 108 EXCOFFQN; BELÉM; ZAMPONI & SCHLENZ This paper deals with the redescription ofA.
    [Show full text]
  • Estuarine Mudcrab (Rhithropanopeus Harrisii) Ecological Risk Screening Summary
    Estuarine Mudcrab (Rhithropanopeus harrisii) Ecological Risk Screening Summary U.S. Fish and Wildlife Service, February 2011 Revised, May 2018 Web Version, 6/13/2018 Photo: C. Seltzer. Licensed under CC BY-NC 4.0. Available: https://www.inaturalist.org/photos/4047991. (May 2018). 1 Native Range and Status in the United States Native Range From Perry (2018): “Original range presumed to be in fresh to estuarine waters from the southwestern Gulf of St. Lawrence, Canada, through the Gulf of Mexico to Vera Cruz, Mexico (Williams 1984).” 1 Status in the United States From Perry (2018): “The Harris mud crab was introduced to California in 1937 and is now abundant in the brackish waters of San Francisco Bay and freshwaters of the Central Valley (Aquatic Invaders, Elkhorn Slough Foundation). Ricketts and Calvin (1952) noted its occurrence in Coos Bay, Oregon in 1950. Rhithropanopeus harrisii, a common resident of Texas estuaries, has recently expanded its range to freshwater reservoirs in that state (Howells 2001; […]). They have been found in the E.V. Spence, Colorado City, Tradinghouse Creek, Possum Kingdom, and Lake Balmorhea reservoirs. These occurrences are the first records of this species in freshwater inland lakes.” From Fofonoff et al. (2018): “[…] R. harrisii has invaded many estuaries in different parts of the world, and has even colonized some freshwater reservoirs in Texas and Oklahoma, where high mineral content of the water may promote survival and permit reproduction (Keith 2006; Boyle 2010).” This species is in trade in the United States. From eBay (2018): “3 Freshwater Dwarf Mud Crabs Free Shipping!!” “Price: US $26.00” “You are bidding on 3 unsexed Freshwater Dwarf Mud Crabs (Rhithropanopeus harrisii).” Means of Introductions in the United States From Fofonoff et al.
    [Show full text]
  • DEEP SEA LEBANON RESULTS of the 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project
    DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project March 2018 DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project Citation: Aguilar, R., García, S., Perry, A.L., Alvarez, H., Blanco, J., Bitar, G. 2018. 2016 Deep-sea Lebanon Expedition: Exploring Submarine Canyons. Oceana, Madrid. 94 p. DOI: 10.31230/osf.io/34cb9 Based on an official request from Lebanon’s Ministry of Environment back in 2013, Oceana has planned and carried out an expedition to survey Lebanese deep-sea canyons and escarpments. Cover: Cerianthus membranaceus © OCEANA All photos are © OCEANA Index 06 Introduction 11 Methods 16 Results 44 Areas 12 Rov surveys 16 Habitat types 44 Tarablus/Batroun 14 Infaunal surveys 16 Coralligenous habitat 44 Jounieh 14 Oceanographic and rhodolith/maërl 45 St. George beds measurements 46 Beirut 19 Sandy bottoms 15 Data analyses 46 Sayniq 15 Collaborations 20 Sandy-muddy bottoms 20 Rocky bottoms 22 Canyon heads 22 Bathyal muds 24 Species 27 Fishes 29 Crustaceans 30 Echinoderms 31 Cnidarians 36 Sponges 38 Molluscs 40 Bryozoans 40 Brachiopods 42 Tunicates 42 Annelids 42 Foraminifera 42 Algae | Deep sea Lebanon OCEANA 47 Human 50 Discussion and 68 Annex 1 85 Annex 2 impacts conclusions 68 Table A1. List of 85 Methodology for 47 Marine litter 51 Main expedition species identified assesing relative 49 Fisheries findings 84 Table A2. List conservation interest of 49 Other observations 52 Key community of threatened types and their species identified survey areas ecological importanc 84 Figure A1.
    [Show full text]
  • Investigation of Maryland's Coastal Bays and Atlantic Ocean Finfish
    Investigation of Maryland’s Coastal Bays and Atlantic Ocean Finfish Stocks July 2015 - June 2016 Final Report Prepared by: Steve Doctor, Gary Tyler, Craig Weedon, and Angel Willey Federal Aid Project No. F-50-R-24 UNITED STATES DEPARTMENT OF INTERIOR Fish & Wildlife Service Division of Federal Assistance Region 5 Final Performance Progress Report Investigation of Maryland’s Coastal Bays and Atlantic Ocean Finfish Stocks April 1, 2015 through June 30, 2016 Grantee: Maryland Department of Natural Resources – Fisheries Service Grant No.: F15AF00156 Segment No.: F-50-R-24 Title: Investigation of Maryland’s Coastal Bays and Atlantic Ocean Finfish Stocks Period Covered: July 1, 2015 through June 30, 2016 ______ Prepared By: Angel Willey, Principal Investigator & Manager Coastal Program Approved By: Michael Luisi, Director, Estuarine & Marine Division Approved By: David Blazer, Appointing Authority Date Submitted: Statutory Funding Authority: Sport Fish Restoration X CFDA #15.605 State Wildlife Grants (SWG) Cooperative Management Act CFDA #15.634 Acknowledgements The Coastal Bays Fisheries Investigation has been sampling fishes in the Coastal Bays for 43 years. Although the survey began in 1972, it did not have dedicated funding until 1989. Consistent funding allowed staff to specifically dedicate time and make improvements to the sampling protocol that resulted in significant beneficial contributions to the fisheries of the Coastal Bays. We would like to thank the past and present staff that dedicated their careers to the Coastal Bays Fisheries Investigation for having the knowledge, initiative, and dedication to get it started and maintained. Additionally, staff of the Coastal Fisheries Program would like to thank all of the Maryland Department of Natural Resources (MDNR) employees who assisted with the operations, field work, and annual reports over the years whether it was for a day or a few months.
    [Show full text]
  • Early Ontogeny of Jurassic Bakevelliids and Their Bearing on Bivalve Evolution
    Early ontogeny of Jurassic bakevelliids and their bearing on bivalve evolution NIKOLAUS MALCHUS Malchus, N. 2004. Early ontogeny of Jurassic bakevelliids and their bearing on bivalve evolution. Acta Palaeontologica Polonica 49 (1): 85–110. Larval and earliest postlarval shells of Jurassic Bakevelliidae are described for the first time and some complementary data are given concerning larval shells of oysters and pinnids. Two new larval shell characters, a posterodorsal outlet and shell septum are described. The outlet is homologous to the posterodorsal notch of oysters and posterodorsal ridge of arcoids. It probably reflects the presence of the soft anatomical character post−anal tuft, which, among Pteriomorphia, was only known from oysters. A shell septum was so far only known from Cassianellidae, Lithiotidae, and the bakevelliid Kobayashites. A review of early ontogenetic shell characters strongly suggests a basal dichotomy within the Pterio− morphia separating taxa with opisthogyrate larval shells, such as most (or all?) Praecardioida, Pinnoida, Pterioida (Bakevelliidae, Cassianellidae, all living Pterioidea), and Ostreoida from all other groups. The Pinnidae appear to be closely related to the Pterioida, and the Bakevelliidae belong to the stem line of the Cassianellidae, Lithiotidae, Pterioidea, and Ostreoidea. The latter two superfamilies comprise a well constrained clade. These interpretations are con− sistent with recent phylogenetic hypotheses based on palaeontological and genetic (18S and 28S mtDNA) data. A more detailed phylogeny is hampered by the fact that many larval shell characters are rather ancient plesiomorphies. Key words: Bivalvia, Pteriomorphia, Bakevelliidae, larval shell, ontogeny, phylogeny. Nikolaus Malchus [[email protected]], Departamento de Geologia/Unitat Paleontologia, Universitat Autòno− ma Barcelona, 08193 Bellaterra (Cerdanyola del Vallès), Spain.
    [Show full text]
  • A Blind Abyssal Corambidae (Mollusca, Nudibranchia) from the Norwegian Sea, with a Reevaluation of the Systematics of the Family
    A BLIND ABYSSAL CORAMBIDAE (MOLLUSCA, NUDIBRANCHIA) FROM THE NORWEGIAN SEA, WITH A REEVALUATION OF THE SYSTEMATICS OF THE FAMILY ÁNGEL VALDÉS & PHILIPPE BOUCHET VALDÉS, ÁNGEL & PHILIPPE BOUCHET 1998 03 13. A blind abyssal Corambidae (Mollusca, Nudibranchia) SARSIA from the Norwegian Sea, with a reevaluation of the systematics of the family. – Sarsia 83:15-20. Bergen. ISSN 0036-4827. Echinocorambe brattegardi gen. et sp. nov. is described based on five eyeless specimens collected between 2538 and 3016 m depth in the Norwegian Sea. This new monotypic genus differs from other confamilial taxa in having the dorsum covered with long papillae and a radula formula n.3.1.3.n. The posterior notch in the notum and gill morphology, which have traditionally been used as generic characters in the family Corambidae, are considered to have little or no taxonomical value above species level. Instead of the currently described 11 nominal genera, we recognize as valid only Corambe and Loy, to which is now added Echinocorambe. Loy differs from Corambe in the asym- metrical lobes of the posterior notal notch and the presence of spicules in the notum. All other nominal genera are objective or subjective synonyms of these two. Ángel Valdés, Departamento de Biología de Organismos y Sistemas, Laboratorio de Zoología, Universidad de Oviedo, E-33071 Oviedo, Spain (E-mail: [email protected]). – Philippe Bouchet, Muséum National d’Histoire Naturelle, Laboratoire de Biologie des Invertébrés Marins et Malacologie, 55 Rue de Buffon, F-75005 Paris, France. KEYWORDS: Mollusca; Nudibranchia; Corambidae; new genus and new species; abyssal waters; Norwegian Sea. cal with transverse lamellae.
    [Show full text]
  • The Marine and Brackish Water Mollusca of the State of Mississippi
    Gulf and Caribbean Research Volume 1 Issue 1 January 1961 The Marine and Brackish Water Mollusca of the State of Mississippi Donald R. Moore Gulf Coast Research Laboratory Follow this and additional works at: https://aquila.usm.edu/gcr Recommended Citation Moore, D. R. 1961. The Marine and Brackish Water Mollusca of the State of Mississippi. Gulf Research Reports 1 (1): 1-58. Retrieved from https://aquila.usm.edu/gcr/vol1/iss1/1 DOI: https://doi.org/10.18785/grr.0101.01 This Article is brought to you for free and open access by The Aquila Digital Community. It has been accepted for inclusion in Gulf and Caribbean Research by an authorized editor of The Aquila Digital Community. For more information, please contact [email protected]. Gulf Research Reports Volume 1, Number 1 Ocean Springs, Mississippi April, 1961 A JOURNAL DEVOTED PRIMARILY TO PUBLICATION OF THE DATA OF THE MARINE SCIENCES, CHIEFLY OF THE GULF OF MEXICO AND ADJACENT WATERS. GORDON GUNTER, Editor Published by the GULF COAST RESEARCH LABORATORY Ocean Springs, Mississippi SHAUGHNESSY PRINTING CO.. EILOXI, MISS. 0 U c x 41 f 4 21 3 a THE MARINE AND BRACKISH WATER MOLLUSCA of the STATE OF MISSISSIPPI Donald R. Moore GULF COAST RESEARCH LABORATORY and DEPARTMENT OF BIOLOGY, MISSISSIPPI SOUTHERN COLLEGE I -1- TABLE OF CONTENTS Introduction ............................................... Page 3 Historical Account ........................................ Page 3 Procedure of Work ....................................... Page 4 Description of the Mississippi Coast ....................... Page 5 The Physical Environment ................................ Page '7 List of Mississippi Marine and Brackish Water Mollusca . Page 11 Discussion of Species ...................................... Page 17 Supplementary Note .....................................
    [Show full text]
  • Opisthobranches De Profondeur De L'océan Atlantique
    OPISTHOBRANCHES DE PROFONDEUR DE L'OCÉAN ATLANTIQUE: I - CEPHALASPIDEA par Philippe Bouchet Laboratoire de Biologie des Invertébrés marins et Malacologie (Muséum National d'Histoire Naturelle) (I) Résumé Etude des collections d'Opisthobranches Céphalaspides récoltés par les missions récentes d'étude de la faune bathyale et abyssale : Noratlante, Walda, Biaçores, Thalassa. Les 31 espèces étudiées sont Nord-atlantiques sauf Cylichnium waldae n.sp. du bathyal (1 756 m) des côtes de l'Angola. L'anatomie et la position systématique des différentes espèces sont précisées ; la morphologie générale des genres Creni- labrum, Meloscaphander, Mamillocylichna et Cylichnium est décrite pour la pre- mière fois ; quatre espèces (Meloscaphander imperceptus, Mamillocylichna abyssi- cola, Philine azorica, Philine monilifera) et un genre (Inopinodon) sont considérés comme nouveaux ; de nombreuses synonymies sont établies. Chaque fois que cela a été possible, l'auteur a donné des informations sur la biologie des espèces : régimes alimentaires, distributions verticale et horizontale ; un Pycnogonide parasite de Scaphander punctostriatus est brièvement mentionné. Les Nudibranches et les Notaspides seront étudiés dans une seconde publication. Les matériaux utilisés pour cette étude proviennent, pour la plupart, de campagnes récentes de dragages dans l'Atlantique Nord : — mission «Biaçores» du Jean Charcot (1971 (2), dans la région des Iles Açores pour la plus grande partie ; — missions «Thalassa» (1970 à 1973) sur le plateau et le talus continental de la péninsule ibérique et du golfe de Gascogne ; — mission « Noratlante » (1969) en divers points de l'Atlantique Nord. Deux stations de la mission « Walda » dans l'Atlantique Sud ont ramené des Opisthobranches, que nous étudierons ici. De plus, nous avons réexaminé quelques échantillons en alcool, provenant des mis- sions anciennes du « Travailleur » et du « Talisman », qui étaient conservés dans les collections de notre laboratoire.
    [Show full text]
  • Redalyc.Lista Sistemática De Los Moluscos Marinos Y Estuarinos Del
    Comunicaciones de la Sociedad Malacológica del Uruguay ISSN: 0037-8607 [email protected] Sociedad Malacológica del Uruguay Uruguay Clavijo, Cristhian; Scarabino, Fabrizio; Rojas, Alejandra; Martínez, Sergio Lista sistemática de los moluscos marinos y estuarinos del cuaternario de Uruguay Comunicaciones de la Sociedad Malacológica del Uruguay, vol. 9, núm. 88, 2005, pp. 381-411 Sociedad Malacológica del Uruguay Montevideo, Uruguay Disponible en: http://www.redalyc.org/articulo.oa?id=52408804 Cómo citar el artículo Número completo Sistema de Información Científica Más información del artículo Red de Revistas Científicas de América Latina, el Caribe, España y Portugal Página de la revista en redalyc.org Proyecto académico sin fines de lucro, desarrollado bajo la iniciativa de acceso abierto Comunicaciones de la Sociedad Malacológica del Uruguay ISSN 0037- 8607 9 (88): 381 – 411. 2005 LISTA SISTEMÁTICA DE LOS MOLUSCOS MARINOS Y ESTUARINOS DEL CUATERNARIO DE URUGUAY Cristhian Clavijo § , Fabrizio Scarabino § , Alejandra Rojas * & Sergio Martínez * R ESUMEN Hasta el momento han sido citadas 142 especies de moluscos marinos y estuarinos para el Cuaternario de Uruguay. Esta fauna está compuesta taxonómicamente de la siguiente forma: Polyplacophora (2 especies), Scaphopoda (1), Gastropoda (66) y Bivalvia (73). PALABRAS CLAVE: Holoceno, Pleistoceno, Polyplacophora, Scaphopoda, Gastropoda, Bivalvia, Atlántico Sudoccidental. A BSTRACT Systematic list of the marine and estuarine molluscs from the Quaternary of Uruguay. Until now 142 species of marine and estuarine molluscs have been recorded from the Quaternary of Uruguay. This fauna is taxonomically composed as follows: Polyplacophora (2 species), Scaphopoda (1), Gastropoda (66) and Bivalvia (73). KEY WORDS: Holocene, Pleistocene, Polyplacophora, Scaphopoda, Gastropoda, Bivalvia, Southwestern Atlantic. INTRODUCCIÓN pobremente estudiados, constituyendo un particular ejemplo de los desafíos a superar.
    [Show full text]