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1,093 results for “Gastropods”
Gastropod Biomass and Densities found at Rabbit Key Basin, Florida Bay (FCE) from March 2000 to April 2001
Grazing gastropod biomass and shell morphology were measured from 1 m2 plots within Thalassia seagrass meadow in Rabbit Key Basin, Florida Bay, Everglades National Park.
Gastropod abundance at Hubbard Brook Experimental Forest, Watershed 1 and West of Watershed 6, 1997-2006 (Reformatted to the ecocomDP Design Pattern)
This data package is formatted as an ecocomDP (Ecological Community Data Pattern). For more information on ecocomDP see https://github.com/EDIorg/ecocomDP. This Level 1 data package was derived from the Level 0 data package found here: https://pasta.lternet.edu/package/metadata/eml/knb-lter-hbr/126/4. The abstract below was extracted from the Level 0 data package and is included for context: Snail and slug abundance were measured for a 10 year period between 1997 - 2006 at three elevations on Watershed 1 as well as in a reference area west of Watershed 6. Watershed 1 received calcium additions as wollastonite (CaSiO3) during the study period. This data set includes counts of snails and and slugs for the entire study period. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Terrestrial gastropods abundance data along an elevational gradient within the Sonadora River watershed
The data set includes 3 files that contain abundance data for terrestrial gastropods along an elevational gradient within the Sonadora River watershed. Two files (1 and 2) contain data from the same transect but differ in the year during which they were collected (2007 and 2008). The third file (3) contains data from a separate elevational transect (sites were located at the same elevation as in files 1 and 2) in palm dominated forest within the same watershed that was collected during the same time period in 2008 as data from file 2. Note: Plots at 250 m of elevation were not sampled in 2008 on either transect and a plot at elevation 750 m in the palm transect was never sampled. Support for this work was provided by grants BSR-8811902, DEB-9411973, DEB-9705814 , DEB-0080538, DEB-0218039 , DEB-0620910 , DEB-1239764, DEB-1546686, and DEB-1831952 from the National Science Foundation to the University of Puerto Rico as part of the Luquillo Long-Term Ecological Research Program. Additional support provided by the University of Puerto Rico and the International Institute of Tropical Forestry, USDA Forest Service.
Gastropod abundance at Hubbard Brook Experimental Forest, Watershed 1 and West of Watershed 6, 1997-2006 (Reformatted to a Darwin Core Archive)
This data package is formatted as a Darwin Core Archive (DwC-A, event core). For more information on Darwin Core see https://www.tdwg.org/standards/dwc/. This Level 2 data package was derived from the Level 1 data package found here: https://pasta.lternet.edu/package/metadata/eml/edi/263/2, which was derived from the Level 0 data package found here: https://pasta.lternet.edu/package/metadata/eml/knb-lter-hbr/126/4. The abstract below was extracted from the Level 0 data package and is included for context: Snail and slug abundance were measured for a 10 year period between 1997 - 2006 at three elevations on Watershed 1 as well as in a reference area west of Watershed 6. Watershed 1 received calcium additions as wollastonite (CaSiO3) during the study period. This data set includes counts of snails and and slugs for the entire study period. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Abundance of major taxonomic groups of invertebrates (arthropods and gastropods) collected with pitfall traps at four sites near Toolik Field Station Arctic LTER, Alaska in the summer of 2010.
Invertebrates (spiders, insects and slugs) were collected weekly using pitfall traps at four sites near the Arctic LTER at Toolik Field Station, Alaska. Traps were placed along transects in shrub (shrub-dominant) and open (tussock-dominant) tundra sites. Pitfall traps were placed for 48-hour intervals once per week from early June until mid-July 2010. Collected invertebrates were counted and identified to class (all invertebrates), order or family (for some of the most common families collected).
Hubbard Brook Experimental Forest: Gastropod lichen feeding trials
Herbivory by terrestrial gastropods, particularly Arion sp., can alter lichen communities; however, little is known about this interaction in forests of North America. This data set reports the results of two feeding trials with slugs and snails from Hubbard Brook on seven lichen species. In feeding trials two common lichens, Hypogymnia physodes and Platismatia glauca, were grazed more heavily by both native and non-native slugs than other lichen species.
FIG. 6. — A1-A3 in Early Miocene Gastropods from the Felli Section (Proto-Mediterranean Sea NW Greece)
FIG. 6. — A1-A3, Costoanachis cf. terebralis (Grateloup, 1834), AMPG(IV) 2467; B1, B2, Pusia cf. pyramidella (Brocchi, 1814), AMPG(IV) 2469; C1-C4, Athleta rarispina (Lamarck, 1811), AMPG(IV) 2462; D1-D4, Mangelia (s.l.) sp.: D1, D2, AMPG(IV) 2474; D3, D4, AMPG(IV) 2475, detail of microsculpture (SEM images). Scale bars: A1, A2, B1, B2, D1, D2, 1 mm; C1-C4, 10 mm; D3, 300 μm; D4, 100 μm.
FIG. 9. — A1-A3 in Early Miocene Gastropods from the Felli Section (Proto-Mediterranean Sea NW Greece)
FIG. 9. — A1-A3, Turbonilla (s.l.) sp. 1, AMPG(IV) 2580; B1-B3, Turbonilla (s.l.) sp. 2, AMPG(IV) 2583; C1, C2, Turbonilla (s.l.) sp. 3, AMPG(IV) 2584; D1-D3, Turbonilla (s.l.) sp. 4: D1, AMPG(IV) 2586 (SEM image); D2, D3, AMPG(IV) 2687. Scale bars: 500 µm.
FIG. 8. — A1, A2 in Early Miocene Gastropods from the Felli Section (Proto-Mediterranean Sea NW Greece)
FIG. 8. — A1, A2, 'Odostomia' sp. 2, AMPG(IV) 2558; B1-B3, Megastomia sp. 1, AMPG(IV) 2560; C1, C2, Brachystomia sp., AMPG(IV) 2570; D1-D3, Megastomia sp. 2: D1, AMPG(IV) 2563; D2, D3, AMPG(IV) 2564; E1-E4, Pyramistomia aliakmoni n. sp.: E1, E2, holotype, AMPG(IV) 1500; E3, paratype 1, AMPG(IV) 1501 (SEM image); E4, AMPG(IV) paratype 1, AMPG(IV) 1501, protoconch (SEM image); F1-F4, Parthenina sp. 1: F1, F2, AMPG(IV) 1573; F3, AMPG(IV) 1574 (SEM image); F4, AMPG(IV) 1574, apex (SEM image); G1, G2, Parthenina sp. 2: G1, AMPG(IV) 2575; G2, AMPG(IV) 2575, apex (SEM image); H,?Syrnola sp., AMPG(IV) 2577 (SEM image). Scale bars: A1, A2, B1-B3, D1, G1, H, 500 µm; C1, C2, D2, D3, E1, E2, 1 mm; E3, F1, F2, 400 µm; E4, F3, 200 µm; F4, G2, 100 µm.
FIG. 1 in Beyond shells: first detailed morphological description of the mangrove-associated gastropod Haminoea cf. fusca (A. Adams, 1850) (Cephalaspidea, Haminoeidae), with a COI phylogenetic analysis
FIG. 1. — Bayesian phylogenetic tree based on partial sequences of the COI gene. Figures on nodes are posterior probabilities, scale bar refer to branch lengths. Coloured squares refer to species that are Indo West Pacific in origin, whereas grey squares to Atlantic and eastern Pacific species. PP, 1. The specimen here used from the Philippines is depicted in Gosliner et al. 2015: 30, lower right.
Fig. 3. A. a in Untangling species identity in gastropods with polymorphic shells in the genus Bolma Risso, 1826 (Mollusca, Vetigastropoda)
Fig. 3. A. a, Bolma henica madagascarensis (Indian Ocean); b, Bo. henica abyssorum; c, Bo. henica henica, with type locality represented by a white star (Fiji Island, Southwest Pacific); d, Bo. cf. minutiradiosa. B. a–d, distinct shell morphs found in Bo. recens, with type locality represented by a white star (Kiwi seamount, Three Kings Ridge). C. a, Bo. mainbaza, with type locality (South Madagascar); b, Bo. pseudobathyraphis, with type locality (South New Caledonia); c, Bo. millegranosa; d, Bo. opaoana with type locality (South New Caledonia, Crypthélia Bank).
Fig. 4 in Untangling species identity in gastropods with polymorphic shells in the genus Bolma Risso, 1826 (Mollusca, Vetigastropoda)
Fig. 4. Shell diversity across the molecular phylogeny of the "deep-water" clade of the subfamily Turbininae (Williams 2007, i.e., the genera Astraea, Bellastraea , Bolma and Guildfordia). The phylogeny is based on Bayesian analyses of the concatenated sequences from cox1 and 28 S genes, incorporating an uncorrelated relaxed, log- normal clock produced using *BEAST. The tree is a maximum clade credibility tree with median node heights based in 9000 trees. Support values are posterior probabilities (PP); branches < 50% were collapsed. Species names are labelled on the right-hand side. Species hypotheses previously delineated by the integrative taxonomy approach are highlighted by the grey boxes.
Fig. 2 in Untangling species identity in gastropods with polymorphic shells in the genus Bolma Risso, 1826 (Mollusca, Vetigastropoda)
Fig. 2. [next page] Molecular based species delineation of the genus "Bolma". A. Ultrametric tree produced using BEAST based on cox1 sequences. B. PSHs derived from the GMYC model and labelled from 1 to 37. C. PSHs derived from the GMYC model using the lower limit of the equivalent of a 95% confidence interval, and labelled from A to ZD. D. SSHs drawn from congruency between cox1 and 28S. Boxes with a black outline indicate that the SSH was monophyletic in both cox1 and 28S trees. Boxes without a black outline highlight SSHs for which molecular data were either incomplete or non-informative. SSHs labelled from A to ZD (following step C) or with the species name when our sequences matched published data associated with the species names. E. PSHs derived from the Bayesian analysis based on 28S sequences. F. Bayesian, non-ultrametric tree produced using BEAST based on 28S sequences. G. Species names retained in the present study. For the SSH E-F-G-H, the name Bo. henica was retained; however, Bo. henica abyssorum, Bo. henica madagascarensis and Bo. henica henica are represented as sub-species separated by white dotted lines. For both trees, nodal support values are posterior probabilities (PP), shown only for PP> 50%. Branches with PP <50% were collapsed. Red and green branches correspond to monophyletic species hypotheses. Colour coded boxes: red corresponds to cox1 PSHs supported by PP> 95%; light red corresponds to cox1 PSH supported by PP <95%; light grey corresponds to cox1 and 28S singletons; a grey cross represents missing data; green corresponds to 28S species hypotheses supported by PP> 95%; light grey corresponds to groups of genotypes displaying diagnostic 28S sites. Specimen numbers are given in the Supplementary file.
Fig. 18 in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 18. Localities of Plagigeyeria species in Hercegovina and adjacent regions and the most likely distribution range of the known species within the related aquifers (colour blotches) and sampling localities (dots with numbers). Freshwater springs are in circles and brackish or submarine springs are as marked by diamonds, arrows show main karst conduits and locality numbers are according to the legend from Fig. 1.
Fig. 15. A in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 15. A. Travunijana robusta (Schütt, 1959), Trebinje, Izvor Tučevac, SBMNH 626406. B. Travunijana robusta (Schütt, 1959), Trebinje, Vrelo Vruljak 1, SBMNH 625919. C. Travunijana robusta asculpta (Schütt, 1972), Croatia, Dubrovnik, Komolac, Izvor Ombla, SBMNH 625896. D. Travunijana gloeri sp. nov., Bjeljani, Dabarsko Polje, Vrelo Vrijeka, paratype SBMNH 632722. Scale bars = 1mm. (SEM SBMNH Vanessa Delnavaz).
Fig. 17 in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 17. Karst aquifers of Hercegovina and their estimated delimitations to drainage basins. As most to the karst aquifers in Hercegovina are represented by subterranean karst conduits, it is difficult to exactly set the watersheds. The subterranean drainage divides in this map were estimated based on our recent knowledge about the geology, hydrogeology and geomorphology. The boundaries are unstable and strongly dependent on a dynamic system of particular water level alternations in each perched water table within the basin as well as on their particular saturation. The interim oversaturation in the particular basin could lead to water divergence to the neighbouring river basin. The supposed inter-basin water divergences at high water saturation are highlighted by blue arrows. Each drainage basin could be further divided to separate subterranean karst conduits, which could also represent a kind of particularly isolated habitat. Freshwater springs are in circles and brackish or submarine spring are as diamonds with locality numbers according to the legend from Figure 1.
Fig. 13 in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 13. Historical type specimens of species of Plagigeyeria from Hercegovina and adjacent regions, currently transferred to the genus Travunijana Grego & Glöer, 2019. A. Plagigeyeria robusta Schütt, 1959, Hercegovina, spring Čepelica near Bileća, holotype (SMF 162833). B. P. klemmi Schütt, 1961, Croatia, spring Stenjevac south of Vrgorac, holotype (SMF 164344). C. P. tribunicae Schütt, 1963, Hercegovina, spring Trebišnjica near Bileća, holotype (SMF 168968). D. P. edlaueri Schütt, 1961, Hercegovina, spring Sopot Mlin in Svitavsko Blato, holotype (SMF 164342). E. P. angelovi Schütt, 1972, Croatia, spring Ombla (Rijeka Dubrovačka) in Komolac, holotype (SMF 221242). F. P. nitida Schütt, 1963, Hercegovina, spring Sopot Mlin in Svitavsko Blato, holotype (SMF 168970).
Fig. 12. A–B in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 12. A–B. Plagigeyeria jakabi sp. nov., Studenci, spring Guljevina A. Holotype (HNHM-MOLL-104172). B. Paratype (JG F1204). C–D. P. vriosticaensis sp. nov., Vitina, Vrelo Vrioštica C. Holotype (HNHM-MOLL-104182). D. Paratype (JG F1214). E. P. angyaldorkae sp. nov., Vrelo Jakšenica (holotype HNHM-MOLL- 104163). F. P. ozimeci sp. nov., Vitina, Vrelo Vrioštica, holotype (HNHM-MOLL-104173). G–K. P. ozimeci sp. nov., Vitina, Vrelo Vrioštica, paratypes (JG F1215).
Fig. 10. A in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 10. A. Plagigeyeria erossi sp. nov., Donja Jablanica, Komadinovo Vrelo, paratype (SBMNH 632010). B. P. listicaensis sp. nov., Široki Brijeg, Vrelo Lištice, Bilo Vrilo, paratype (SBMNH 626350). C. P. olsavskyi sp. nov., Studenci, Vrilo Kajtazovina, paratype (SBMNH 626245). D. P. olsavskyi sp. nov., Ljubuški, spring Mali Prokop, paratype (SBMNH 626260). Scale bars = 1 mm (SEM SBMNH Vanessa Delnavaz).
Fig. 6. A in Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions
Fig. 6. A. Plagigeyeria ljutaensis sp. nov., Konjic, Vrelo Ljuta, paratype (SBMNH 626401). B. P. konjicensis sp. nov., Konjic, left side spring of Ljuta River, paratype (SBMNH 626249). C. P. plagiostoma (A. J. Wagner, 1914), Sarajevo, Ilidža, Vrelo Bosne, (SBMNH 632718). D. P. inflata (A. J. Wagner, 1928), Sarajevo, Ilidža, Vrelo Bosne (SBMNH 33032). Scale bars = 1 mm (SEM SBMNH Vanessa Delnavaz).
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