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Anchialine Cave Biology in the Era of Speleogenomics Jorge L
International Journal of Speleology 45 (2) 149-170 Tampa, FL (USA) May 2016 Available online at scholarcommons.usf.edu/ijs International Journal of Speleology Off icial Journal of Union Internationale de Spéléologie Life in the Underworld: Anchialine cave biology in the era of speleogenomics Jorge L. Pérez-Moreno1*, Thomas M. Iliffe2, and Heather D. Bracken-Grissom1 1Department of Biological Sciences, Florida International University, Biscayne Bay Campus, North Miami FL 33181, USA 2Department of Marine Biology, Texas A&M University at Galveston, Galveston, TX 77553, USA Abstract: Anchialine caves contain haline bodies of water with underground connections to the ocean and limited exposure to open air. Despite being found on islands and peninsular coastlines around the world, the isolation of anchialine systems has facilitated the evolution of high levels of endemism among their inhabitants. The unique characteristics of anchialine caves and of their predominantly crustacean biodiversity nominate them as particularly interesting study subjects for evolutionary biology. However, there is presently a distinct scarcity of modern molecular methods being employed in the study of anchialine cave ecosystems. The use of current and emerging molecular techniques, e.g., next-generation sequencing (NGS), bestows an exceptional opportunity to answer a variety of long-standing questions pertaining to the realms of speciation, biogeography, population genetics, and evolution, as well as the emergence of extraordinary morphological and physiological adaptations to these unique environments. The integration of NGS methodologies with traditional taxonomic and ecological methods will help elucidate the unique characteristics and evolutionary history of anchialine cave fauna, and thus the significance of their conservation in face of current and future anthropogenic threats. -
Jacksonville, Florida 1998 Odmds Benthic Community Assessment
JACKSONVILLE, FLORIDA 1998 ODMDS BENTHIC COMMUNITY ASSESSMENT Submitted to U.S. Environmental Protection Agency, Region 4 61 Forsyth St. Atlanta, Georgia 30303 Prepared by Barry A. Vittor & Associates, Inc. 8060 Cottage Hill Rd. Mobile, Alabama 36695 (334) 633-6100 November 1999 TABLE OF CONTENTS LIST OF TABLES ………………………………………….……………………………3 LIST OF FIGURES ……………………..………………………………………………..4 1.0 INTRODUCTION ………..…………………………………………………………..5 2.0 METHODS ………..…………………………………………………………………..5 2.1 Sample Collection And Handling ………………………………………………5 2.2 Macroinfaunal Sample Analysis ……………………………………………….6 3.0 DATA ANALYSIS METHODS ……..………………………………………………6 3.1 Assemblage Analyses ..…………………………………………………………6 3.2 Faunal Similarities ……………………………………………………….…….8 4.0 HABITAT CHARACTERISTICS ……………………………………………….…8 5.0 BENTHIC COMMUNITY CHARACTERIZATION ……………………………..9 5.1 Faunal Composition, Abundance, And Community Structure …………………9 5.2 Numerical Classification Analysis …………………………………………….10 5.3 Taxa Assemblages …………………………………………………………….11 6.0 1995 vs 1998 COMPARISONS ……………………………………………………..11 7.0 SUMMARY ………………………………………………………………………….13 8.0 LITERATURE CITED ……………………………………………………………..16 2 LIST OF TABLES Table 1. Station locations for the Jacksonville, Florida ODMDS, June 1998. Table 2. Sediment data for the Jacksonville, Florida ODMDS, June 1998. Table 3. Summary of abundance of major taxonomic groups for the Jacksonville, Florida ODMDS, June 1998. Table 4. Abundance and distribution of major taxonomic groups at each station for the Jacksonville, Florida ODMDS, June 1998. Table 5. Abundance and distribution of taxa for the Jacksonville, Florida ODMDS, June 1998. Table 6. Percent abundance of dominant taxa (> 5% of the total assemblage) for the Jacksonville, Florida ODMDS, June 1998. Table 7. Summary of assemblage parameters for the Jacksonville, Florida ODMDS stations, June 1998. Table 8. Analysis of variance table for density differences between stations for the Jacksonville, Florida ODMDS stations, June 1998. -
Morphological Variations of the Shell of the Bivalve Lucina Pectinata
I S S N 2 3 47-6 8 9 3 Volume 10 Number2 Journal of Advances in Biology Morphological variations of the shell of the bivalve Lucina pectinata (Gmelin, 1791) Emma MODESTIN PhD of Biogeography, zoology and Ecology University of the French Antilles, UMR AREA DEV ABSTRACT In Martinique, the species Lucina pectinata (Gmelin, 1791) is called "mud clam, white clam or mangrove clam" by bivalve fishermen depending on the harvesting environment. Indeed, the individuals collected have differences as regards the shape and colour of the shell. The hypothesis is that the shape of the shell of L. pectinata (P. pectinatus) shows significant variations from one population to another. This paper intends to verify this hypothesis by means of a simple morphometric study. The comparison of the shape of the shell of individuals from different populations was done based on samples taken at four different sites. The standard measurements (length (L), width or thickness (E - épaisseur) and height (H)) were taken and the morphometric indices (L/H; L/E; E/H) were established. These indices of shape differ significantly among the various populations. This intraspecific polymorphism of the shape of the shell of P. pectinatus could be related to the nature of the sediment (granulometry, density, hardness) and/or the predation. The shells are significantly more elongated in a loose muddy sediment than in a hard muddy sediment or one rich in clay. They are significantly more convex in brackish environments and this is probably due to the presence of more specialised predators or of more muddy sediments. Keywords Lucina pectinata, bivalve, polymorphism of shape of shell, ecology, mangrove swamp, French Antilles. -
The Recent Molluscan Marine Fauna of the Islas Galápagos
THE FESTIVUS ISSN 0738-9388 A publication of the San Diego Shell Club Volume XXIX December 4, 1997 Supplement The Recent Molluscan Marine Fauna of the Islas Galapagos Kirstie L. Kaiser Vol. XXIX: Supplement THE FESTIVUS Page i THE RECENT MOLLUSCAN MARINE FAUNA OF THE ISLAS GALApAGOS KIRSTIE L. KAISER Museum Associate, Los Angeles County Museum of Natural History, Los Angeles, California 90007, USA 4 December 1997 SiL jo Cover: Adapted from a painting by John Chancellor - H.M.S. Beagle in the Galapagos. “This reproduction is gifi from a Fine Art Limited Edition published by Alexander Gallery Publications Limited, Bristol, England.” Anon, QU Lf a - ‘S” / ^ ^ 1 Vol. XXIX Supplement THE FESTIVUS Page iii TABLE OF CONTENTS INTRODUCTION 1 MATERIALS AND METHODS 1 DISCUSSION 2 RESULTS 2 Table 1: Deep-Water Species 3 Table 2: Additions to the verified species list of Finet (1994b) 4 Table 3: Species listed as endemic by Finet (1994b) which are no longer restricted to the Galapagos .... 6 Table 4: Summary of annotated checklist of Galapagan mollusks 6 ACKNOWLEDGMENTS 6 LITERATURE CITED 7 APPENDIX 1: ANNOTATED CHECKLIST OF GALAPAGAN MOLLUSKS 17 APPENDIX 2: REJECTED SPECIES 47 INDEX TO TAXA 57 Vol. XXIX: Supplement THE FESTIVUS Page 1 THE RECENT MOLLUSCAN MARINE EAUNA OE THE ISLAS GALAPAGOS KIRSTIE L. KAISER' Museum Associate, Los Angeles County Museum of Natural History, Los Angeles, California 90007, USA Introduction marine mollusks (Appendix 2). The first list includes The marine mollusks of the Galapagos are of additional earlier citations, recent reported citings, interest to those who study eastern Pacific mollusks, taxonomic changes and confirmations of 31 species particularly because the Archipelago is far enough from previously listed as doubtful. -
Tampa Bay Benthic Monitoring Program: Status of Middle Tampa Bay: 1993-1998
Tampa Bay Benthic Monitoring Program: Status of Middle Tampa Bay: 1993-1998 Stephen A. Grabe Environmental Supervisor David J. Karlen Environmental Scientist II Christina M. Holden Environmental Scientist I Barbara Goetting Environmental Specialist I Thomas Dix Environmental Scientist II MARCH 2003 1 Environmental Protection Commission of Hillsborough County Richard Garrity, Ph.D. Executive Director Gerold Morrison, Ph.D. Director, Environmental Resources Management Division 2 INTRODUCTION The Environmental Protection Commission of Hillsborough County (EPCHC) has been collecting samples in Middle Tampa Bay 1993 as part of the bay-wide benthic monitoring program developed to (Tampa Bay National Estuary Program 1996). The original objectives of this program were to discern the ―health‖—or ―status‖-- of the bay’s sediments by developing a Benthic Index for Tampa Bay as well as evaluating sediment quality by means of Sediment Quality Assessment Guidelines (SQAGs). The Tampa Bay Estuary Program provided partial support for this monitoring. This report summarizes data collected during 1993-1998 from the Middle Tampa Bay segment of Tampa Bay. 3 METHODS Field Collection and Laboratory Procedures: A total of 127 stations (20 to 24 per year) were sampled during late summer/early fall ―Index Period‖ 1993-1998 (Appendix A). Sample locations were randomly selected from computer- generated coordinates. Benthic samples were collected using a Young grab sampler following the field protocols outlined in Courtney et al. (1993). Laboratory procedures followed the protocols set forth in Courtney et al. (1995). Data Analysis: Species richness, Shannon-Wiener diversity, and Evenness were calculated using PISCES Conservation Ltd.’s (2001) ―Species Diversity and Richness II‖ software. -
Hiller & Lessios 2017
www.nature.com/scientificreports OPEN Phylogeography of Petrolisthes armatus, an invasive species with low dispersal ability Received: 20 February 2017 Alexandra Hiller & Harilaos A. Lessios Accepted: 27 April 2017 Theoretically, species with high population structure are likely to expand their range, because marginal Published: xx xx xxxx populations are free to adapt to local conditions; however, meta-analyses have found a negative relation between structure and invasiveness. The crab Petrolisthes armatus has a wide native range, which has expanded in the last three decades. We sequenced 1718 bp of mitochondrial DNA from native and recently established populations to determine the population structure of the former and the origin of the latter. There was phylogenetic separation between Atlantic and eastern Pacific populations, and between east and west Atlantic ones. Haplotypes on the coast of Florida and newly established populations in Georgia and South Carolina belong to a different clade from those from Yucatán to Brazil, though a few haplotypes are shared. In the Pacific, populations from Colombia and Ecuador are highly divergent from those from Panamá and the Sea of Cortez. In general, populations were separated hundreds to million years ago with little subsequent gene flow. High genetic diversity in the newly established populations shows that they were founded by many individuals. Range expansion appears to have been limited by low dispersal rather than lack of ability of marginal populations to adapt to extreme conditions. The population-genetic constitution of marine invasive species in their native range is increasingly being stud- ied in efforts to determine the source of invasions into new areas (reviews in refs 1–5). -
Marine Ecology Progress Series 464:135
Vol. 464: 135–151, 2012 MARINE ECOLOGY PROGRESS SERIES Published September 19 doi: 10.3354/meps09872 Mar Ecol Prog Ser Physical and biological factors affect the vertical distribution of larvae of benthic gastropods in a shallow embayment Michelle J. Lloyd1,*, Anna Metaxas1, Brad deYoung2 1Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4R2 2Department of Physics and Physical Oceanography, Memorial University, St. John’s, Newfoundland, Canada A1B 3X7 ABSTRACT: Marine gastropods form a diverse taxonomic group, yet little is known about the factors that affect their larval distribution and abundance. We investigated the larval vertical dis- tribution and abundance of 9 meroplanktonic gastropod taxa (Margarites spp., Crepidula spp., Astyris lunata, Diaphana minuta, Littorinimorpha, Arrhoges occidentalis, Ilyanassa spp., Bittiolum alternatum and Nudibranchia), with similar morphology and swimming abilities, but different adult habitats and life-history strategies. We explored the role of physical (temperature, salinity, density, current velocities) and biological (fluorescence) factors, as well as periodic cycles (lunar phase, tidal state, diel period) in regulating larval vertical distribution. Using a pump, we collected plankton samples at 6 depths (3, 6, 9, 12, 18 and 24 m) at each tidal state, every 2 h over a 36 and a 26 h period, during a spring and neap tide, respectively, in St. George’s Bay, Nova Scotia. Con- currently, we measured temperature, salinity, density, fluorescence (as a proxy for chlorophyll, i.e. phytoplankton density), and current velocity. Larval abundance was most strongly related to tem- perature, except for Littorinimorpha and Crepidula spp., for which it was most strongly related to fluorescence. Margarites spp., A. -
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 ..................................... -
Molluscs (Mollusca: Gastropoda, Bivalvia, Polyplacophora)
Gulf of Mexico Science Volume 34 Article 4 Number 1 Number 1/2 (Combined Issue) 2018 Molluscs (Mollusca: Gastropoda, Bivalvia, Polyplacophora) of Laguna Madre, Tamaulipas, Mexico: Spatial and Temporal Distribution Martha Reguero Universidad Nacional Autónoma de México Andrea Raz-Guzmán Universidad Nacional Autónoma de México DOI: 10.18785/goms.3401.04 Follow this and additional works at: https://aquila.usm.edu/goms Recommended Citation Reguero, M. and A. Raz-Guzmán. 2018. Molluscs (Mollusca: Gastropoda, Bivalvia, Polyplacophora) of Laguna Madre, Tamaulipas, Mexico: Spatial and Temporal Distribution. Gulf of Mexico Science 34 (1). Retrieved from https://aquila.usm.edu/goms/vol34/iss1/4 This Article is brought to you for free and open access by The Aquila Digital Community. It has been accepted for inclusion in Gulf of Mexico Science by an authorized editor of The Aquila Digital Community. For more information, please contact [email protected]. Reguero and Raz-Guzmán: Molluscs (Mollusca: Gastropoda, Bivalvia, Polyplacophora) of Lagu Gulf of Mexico Science, 2018(1), pp. 32–55 Molluscs (Mollusca: Gastropoda, Bivalvia, Polyplacophora) of Laguna Madre, Tamaulipas, Mexico: Spatial and Temporal Distribution MARTHA REGUERO AND ANDREA RAZ-GUZMA´ N Molluscs were collected in Laguna Madre from seagrass beds, macroalgae, and bare substrates with a Renfro beam net and an otter trawl. The species list includes 96 species and 48 families. Six species are dominant (Bittiolum varium, Costoanachis semiplicata, Brachidontes exustus, Crassostrea virginica, Chione cancellata, and Mulinia lateralis) and 25 are commercially important (e.g., Strombus alatus, Busycoarctum coarctatum, Triplofusus giganteus, Anadara transversa, Noetia ponderosa, Brachidontes exustus, Crassostrea virginica, Argopecten irradians, Argopecten gibbus, Chione cancellata, Mercenaria campechiensis, and Rangia flexuosa). -
Chemosymbiotic Bivalves from the Late Pliocene Stirone River Hydrocarbon Seep Complex in Northern Italy
Chemosymbiotic bivalves from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy STEFFEN KIEL and MARCO TAVIANI Kiel, S. and Taviani, M. 2018. Chemosymbiotic bivalves from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy. Acta Palaeontologica Polonica 63 (3): 557–568. Seven species of chemosymbiotic bivalves are described from the late Pliocene Stirone River hydrocarbon seep com- plex in northern Italy, including one new species and two in open nomenclature. The known species are the solemyid Acharax doderleini, the lucinids Lucinoma persolida and Megaxinus ellipticus, and the vesicomyid Isorropodon aff. perplexum; in open nomenclature we report two lucinids, including the largest species of Lucinoma known from the Italian Pliocene to date, and a strongly inflated, large Anodontia sp. The most abundant species at the Stirone seep com- plex is the lucinid Megaxinus stironensis sp. nov. This Pliocene seep fauna differs from that of the well-known Miocene “Calcari a Lucina” seep deposits by lacking large bathymodiolin mussels and vesicomyid clams; instead, the dominance of the lucinid Megaxinus stironensis gives this fauna a unique character. We speculate that at the Stirone seep complex, Megaxinus had occupied the ecological niche that Meganodontia occupied at the Miocene “Calcari a Lucina” seep sites in the Mediterranean basin, and that the dominance of Megaxinus could be a wide-spread feature of Pliocene chemosyn- thesis-based ecosystems in Mediterranean Pliocene. Key words: Bivalvia, Lucinidae, -
ABSTRACT Title of Dissertation: PATTERNS IN
ABSTRACT Title of Dissertation: PATTERNS IN DIVERSITY AND DISTRIBUTION OF BENTHIC MOLLUSCS ALONG A DEPTH GRADIENT IN THE BAHAMAS Michael Joseph Dowgiallo, Doctor of Philosophy, 2004 Dissertation directed by: Professor Marjorie L. Reaka-Kudla Department of Biology, UMCP Species richness and abundance of benthic bivalve and gastropod molluscs was determined over a depth gradient of 5 - 244 m at Lee Stocking Island, Bahamas by deploying replicate benthic collectors at five sites at 5 m, 14 m, 46 m, 153 m, and 244 m for six months beginning in December 1993. A total of 773 individual molluscs comprising at least 72 taxa were retrieved from the collectors. Analysis of the molluscan fauna that colonized the collectors showed overwhelmingly higher abundance and diversity at the 5 m, 14 m, and 46 m sites as compared to the deeper sites at 153 m and 244 m. Irradiance, temperature, and habitat heterogeneity all declined with depth, coincident with declines in the abundance and diversity of the molluscs. Herbivorous modes of feeding predominated (52%) and carnivorous modes of feeding were common (44%) over the range of depths studied at Lee Stocking Island, but mode of feeding did not change significantly over depth. One bivalve and one gastropod species showed a significant decline in body size with increasing depth. Analysis of data for 960 species of gastropod molluscs from the Western Atlantic Gastropod Database of the Academy of Natural Sciences (ANS) that have ranges including the Bahamas showed a positive correlation between body size of species of gastropods and their geographic ranges. There was also a positive correlation between depth range and the size of the geographic range. -
Initial Survey of Plum Island's Marine Habitats
Initial Survey of Plum Island’s Marine Habitats New York Natural Heritage Program Initial Survey of Plum Island’s Marine Habitats Emily S. Runnells Matthew D. Schlesinger Gregory J. Edinger New York Natural Heritage Program and Steven C. Resler Dan Marelli InnerSpace Scientific Diving A report to Save the Sound April 2020 Please cite this report as follows: New York Natural Heritage Program and InnerSpace Scientific Diving. 2020. Initial survey of Plum Island’s marine habitats. Report to Save the Sound. Available from New York Natural Heritage Program, Albany, NY. Available at www.nynhp.org/plumisland. Cover photos (left to right, top to bottom): Bryozoans and sponges; lion’s mane jellyfish; flat-clawed hermit crab; diver recording information from inside quadrat; bryozoans, sponges and northern star corals. All photos herein by the authors. Contents Introduction ........................................................................................................................................................ 1 Methods ............................................................................................................................................................... 1 Results .................................................................................................................................................................. 6 Discussion and Next Steps ............................................................................................................................... 9 Acknowledgments...........................................................................................................................................