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27 results for “Neritina”
Neritina snails upstream migrations at the intersection of Rio Mameyes with road PR Route 3 (bridge 1771)
This data set includes N. virginea densities and sizes from two channels in lower Rio Mameyes under PR Route 3 bridge during the upstream migration season Aug-Dec 2000. Microhabitat use (near-bed water velocities and depth) within both channels is also included. Massive migrations in long trails occurring on the sloped concrete embankment of the main channel were also documented during 99 weeks. Individual size from migratory aggregations was measured during selected dates. 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.
Neritina snails hierarchical distribution
This data set includes N. virginea densities and sizes relative to streambed substrate type, water depth, and habitat type in a low land reach in RÃÂo Mameyes near PR Route 3 bridge, and presence and inland extent of distribution of in 32 coastal rivers around the island. Hydrologic and water chemistry variables are reported as predictors of snail distribution at regional and stream-network scales. 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.
Neritina snails responses to channel realignment
This data set includes N. virginea densities and sizes relative to streambed substrate type, water depth, and near-bed water velocity in three sites in a low land segment in RÃo Mameyes near PR Route 3 bridge: 1) 50 m upstream from bridge, 2) immediately downstream from bridge, and 3) 200 m downstream from bridge (upper Westin Riomar Golfcourse). In addition, above variables are reported for pools and riffles located at PRASA Intake (RÃo Mameyes) and at La Curvita (RÃo EspÃritu Santo). 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.
FIG. 6 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 6. — Circulation des courants océaniques dans le Sud ouest de l'océan Indien. Schéma basé sur les études de Guyomard et al. (2006) et Pous et al. (2010).
FIG. 1 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 1. — Carte de la région Indo-australienne au Pléistocène, lors du dernier maximum glaciaire, il y a 17 000 ans environ. Le niveau de la mer était à 120 m en dessous du niveau actuel. Les détroits de Malacca, de la Sonde et de Torres, par exemple, étaient fermés. Ce niveau eustatique a varié de 120 m à 0 m durant le Pléistocène, avec toutes les profondeurs intermédiaires ayant chaque fois fermé ou ouvert un passage (rôle de barrière filtrante de l'AIA). Carte modifiée d'après Voris (2000), © 2000 Field Museum of Natural History, Chicago, Illinois, USA.
FIG. 5 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 5. — Réseau d'haplotypes de Neritina canalis Sowerby, 1825 selon la méthode du median-joining. Les cercles sont proportionnels à la fréquence des occurences, le nombre de mutations est indiqué sur les branches par des tirets.
FIG. 2. — A-C in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 2. — A-C, Neritina canalis Sowerby, 1825: A, MNHN-IM-2013-62837, Mo'orea; B, MNHN-IM-2013-62829 Mo'orea; C, MNHN-IM-2013-62821, Futuna; D-H, N. stumpffi Boettger, 1890: D, MNHN-IM-2013-62806, Nouvelle-Calédonie; E, MNHN-IM-2013-62808, Nouvelle-Calédonie; F, MNHN-IM-2013-62809, Futuna; G, MNHN-IM-2013-62796, Comores; H, MNHN-IM-2013-62803, Seychelles. Les échantillons sont présentés avec le périostracum (A, H, et position haute de B, D, G) ou sans le périostracum (C, E, F, et position basse de B, D, G) après un traitement à l'eau de javel, montrant ainsi les motifs réels de la coquille, produits au niveau de la couche calcitique externe. Hauteur des spécimens: A, 28,40 mm; B, 21,10 mm; C, 19,86 mm; D, 17,18 mm; E, 19,66 mm; F, 22,11 mm; G, 20 mm; H, 14,78 mm (la hauteur des échantillons a été mesurée à l'aide d'un pied à coulisse électronique « Absolute digimatic caliper », model n° CD-15DC, de Mitutoyo corp, avec une marge d'erreur de 0,02 mm).
FIG. 4 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 4. — Réseau d'haplotypes de Neritina stumpffi Boettger, 1890 selon la méthode du median-joining. Les cercles sont proportionnels à la fréquence des occurences, le nombre de mutations est indiqué sur les branches par des tirets.
Figures 10-16. Theodoxus meridionalis. 10-15 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula
Figures 10-16. Theodoxus meridionalis. 10-15: Syntypes of Theodoxus meridionlis (Philippi, 1836), 16: original lable.
Figures 2-6 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula
Figures 2-6. The operculum of Theodoxus fluviatilis (2-4), Th. baeticus (5), and Th. meridionalis (6). Abbreviations: ca = callus, eo = embryonic operculum, la = left adductor, ap = apophysis, pa = pseudo-apophysis, ra = right adductor, rp = rib pouch, rs = rib shield.
Figures 7-9 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula
Figures 7-9. Opercula of Theodoxus baeticus. 7: Photo of Mermod's depicted operculum (reproduction, rotated for better comparison), 8-9: actual photos the opercula of the two syntypes (MHNG-MOLL-51319).
Figure 1 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula
Figure 1. Reproduction of Mermod's figure of Lamarck's syntypes of Theodoxus baeticus (from Mermod 1953:155, fig. 169).
FIG. 3 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)
FIG. 3. — Localités de provenance des échantillons étudiés pour les deux espèces.
Santa Barbara Coastal site, station Arroyo Burro Reef, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Arroyo Hondo Reef, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Carpinteria Reef, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Goleta Bay, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Isla Vista, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Mohawk Reef, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
Santa Barbara Coastal site, station Naples Reef, Santa Barbara Channel, study of animal cover of Bugula neritina in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Bugula neritina measurements in percent units and were aggregated to a yearly timescale.
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