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139 results for “coral research”
Database of Incidence per reef and región of the research "Evaluation of the use of Autonomous Reef Monitoring Structures (ARMS) for capturing the biological diversity of two coral reefs in the Yucatán Península, México"
<p><strong>*Corresponding autor: </strong>edlinguerra@gmail.com</p> <p>This database contains information of specimens of the cryptofauna assemblages identified by experts of each Phyla per reef and región and is a complementary material of the research “Evaluation of the use of Autonomous Reef Monitoring Structures (ARMS) to estimate cryptic diversity in two coral reefs of the Yucatan Península, México”. For the present research, animals of the appropriate species and quality were selected and the minimum number required to obtain scientifically valid results were considered, all animals were anesthetized and deposited in National Collections: Colección Regional de Crustáceos de la Península de Yucatán (SEMARNAT number: YUC-CC-255-11), Colección Regional de Moluscos de la Península de Yucatán (SEMARNAT number: YUC. -INV-240-01-11), Colección Regional de Equinodermos de la Península de Yucatán (SEMARNAT number: DGVS-CC-307-18), Colección Regional de Ascidias de la Península de Yucatán (SEMARNAT number: DGVS-CC-306-18), Colección Regional de Briozoos de la Península de Yucatán (SEMARNAT number: DGVS-CC-308-18), Colección Regional de Cnidarios de la Península de Yucatán (SEMARMAT number: YUC-CC-254-11), Colección Regional de Policládidos de la Península de Yucatán (105 Collection CONABIO) and Colección Nacional del Phyla Porifera “Gerardo Green” of Universidad Nacional Autónoma de México, Facultad de Ciencias, Sisal, Mexico (UMDI-Sisal) and within accordance with scientific collection permits: PPF/DGOPA: 295/17, 300/17, 294/17, 293/17, PPF/DGOPA-076/19 issued by Mexico’s State Secretaria de Agricultura, Ganaderia, Desarrollo Rural, Pesca y Alimentación (SAGARPA).</p> <p><strong>CC-BY-NC-N</strong></p>
Data from: RECIFS: A centralized geo-environmental database for coral reef research and conservation
<p class="MsoNormal"><strong><span>Motivation</span></strong><span>: Host to intricate networks of marine species, coral reefs are among the most biologically diverse ecosystems on Earth. Over the past decades, major degradations of coral reefs have been observed worldwide, which is largely attributed to the effects of climate change and local stressors related to human activities. Now more than ever, characterizing how the environment shapes the dynamics of the reef ecosystem (<em>e.g.,</em> shifts in species abundance, community changes, emergence of locally adapted populations) is key to uncovering the environmental drivers of reef degradation, and developing efficient conservation strategies in response. To achieve these objectives, it is pivotal that environmental data describing the processes driving such ecosystem dynamics, which occur across specific spatial and temporal scales, are easily accessible to coral reef researchers and conservation stakeholders alike. </span></p> <p class="MsoNormal"><strong><span>Main types of variable contained: </span></strong><span>Multiple environmental variables characterizing various facets of the reef environment, including water chemistry and physics (<em>e.g.,</em> temperature, pH, chlorophyll concentration), local anthropogenic pressures (<em>e.g.,</em> boat detection, distance from agricultural or urban areas) and patterns of sea currents patterns. </span></p> <p class="MsoNormal"><strong><span>Spatial location and grain</span></strong><span>: Worldwide reef cells of 5-by-5 km. </span></p> <p class="MsoNormal"><strong><span>Time period and grain</span></strong><span>: Last 3-4 decades, monthly and yearly resolution.</span></p> <p class="MsoNormal"><span> <strong>Major taxa and level of measurement</strong>: Environmental data important for coral reefs and associated biodiversity. </span></p> <p class="MsoNormal"><strong><span> Software format</span></strong><span>: Interactive web-application available at <a href="https://recifs.epfl.ch">https://recifs.epfl.ch</a>.</span></p>
Data from: RECIFS: A centralized geo-environmental database for coral reef research and conservation
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Figure 2 from: Dueñas LF, Cedeño-Posso C, Sanchez JA, Herrera S (2020) Deep-sea Coral Taxonomy Workshop, Colombia 2019. Research Ideas and Outcomes 6: e53181. https://doi.org/10.3897/rio.6.e53181
Figure 2 Workshop Participants. Left to right, back row: Giovanni Chimienti, Nelson Manrique, Sandra Pareja, Katherine Mejía, Livia Loiola, Ana L. Pico, Cristina Cedeño. Middle row: Milena Benavides, Odalisca Breedy, Juan A. Sánchez, Poppy Keogh, Luisa F. Dueñas, Tina Molodtsova, Phil Alderslade, Ralf Cordeiro. Front row: Néstor Ardila, Andrés F. Molina, Viviana Sánchez, Salome Buglass, Adriana Sarmiento, Antonella Lavorato, Carlos E. Gómez, Marco Garzón, Renata Arantes.
Figure 1 from: Dueñas LF, Cedeño-Posso C, Sanchez JA, Herrera S (2020) Deep-sea Coral Taxonomy Workshop, Colombia 2019. Research Ideas and Outcomes 6: e53181. https://doi.org/10.3897/rio.6.e53181
Figure 1 Photographs representing different activities, and samples seen during Deep-Sea Coral Taxonomy Workshop, Colombia 2019.
Map A1 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Map A1 Distribution of species in genus Swiftia seen in, or immediately adjacent to, the California Bight. Range extensions are not definitive, but illustrative of the geographic distribution of specimens housed in SBMNH collection.
Figure 9 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 9 Swiftiasimplex, specimen #81-99B-1 (Alaska Fisheries Service), light microscopy arrays. A 4× magnification, showing long, slender spindles and anthocodial fingerbiscuit-rods B 10× magnification of sclerites, emphasizing fingerbiscuit-rods of anthocodium. These rods measure between 340–350 µm, while long, thin spindles measure between 430–500 µm. Specimen provided by Bob Stone, Alaska Fisheries Service.
Figure 8 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 8 Swiftiasimplex, SBMNH 422979. A Entire colony, ~21 cm long, diameter ≤3 cm, including calyx B Branch close-up showing calyx placement on branch. Scale bar: 3 cm (A).
Figure 6 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 6 Swiftiapacifica, specimen 41-100A-2 (Alaska Fisheries Service, Gulf of Alaska, via Bob Stone), SEM image. A Long spindles B Jagged disk-spindle/capstan-like sclerites C Thick, elongated rod-like spindles D Anthocodial "fingerbiscuit-rod" forms characteristic of the genus E Irregular spindles F Odd irregular spindles.
Figure 7 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 7 In situ shot, identified as Swiftiasimplex. This is what one would expect to see of live colony. Notice strong similarity to that seen in Figure 28, Part II. As specimen was not collected, identification cannot be confirmed. Image (02_57_27_20) courtesy of Lonny Lundsten and Kim Fulton-Bennet, "(c) 1992 MBARI."
Figure 42 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 42 Genus Keratoisis, SBMNH 422980, light microscopy arrays. A 4× magnification, showing sclerites, most notably very long needle form B Array of shorter needles, 10× magnification C Image specifically highlights very long needles characteristic of species in genus Keratoisis. Long needle-like sclerites range from 620–775 µm in length, while very small spindles average ~80 µm.
Figure 43 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 43 Genus Keratoisis, SBMNH 422980, SEM image. A, C–E Moderate-length spindles B Very long, fusiform spindles (needles) characteristic of genus.
Figure 41 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 41 Genus Keratoisis, SBMNH 422980. A Branch fragment; coenenchyme thin, translucent yellow, easily coming off underlying axis; the fragment measures ~15 cm long B Close up of polyps and very thin coenenchyme on branch fragment.
Figure 5 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 5 Swiftiapacifica, specimen 41-39-1 (Alaska Fisheries Service, Gulf of Alaska); looking in same form of that seen in Figure 3, light microscopy arrays. A (4×) showing variety of sclerites, particularly the characteristic "fingerbiscuit-rod" seen in the genus Swiftia. Sclerites from specimen examined for Bob Stone, Alaska Fisheries Service B Higher magnification, 10×, showing all sclerite forms, including obvious anthocodial fingerbiscuit-rods. The larger spindles measure ~300 µm long, smaller spindles of ~200 µm, and the rods range from 308–370 µm in length.
Figure 4 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 4 Swiftiakofoidi [? Swiftiapacifica], SBMNH 232036, SEM image. A Truncated, jagged disk-spindle/capstan-like forms B Elongated spindles C Might be a typical "fingerbiscuit-rod" form typical of the genus; seen very rarely, if at all in this species D An irregular spindle.
Figure 40 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 40 Plumarellalongispina, SBMNH 422394, SEM image. A, B Body wall scales C Flatter coenenchymal scales D Marginal scales E Marginal spinous sclerites F–H Opercular scales (worn). Compare/contrast these images with those shown in Cairns 2011 (Figure 5, P.spicata).
Figure 39 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 39 Plumarellalongispina, SBMNH 422394. A Colony, 14 cm tall × 15 cm wide B Branch tips. Scale bar: 2 cm (A).
Figure 38 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 38 Parastenellapacifica, SBMNH 422983, SEM image. A Abaxial body wall scales B Coenenchymal scale C Marginal scales D Opercular scales E Pinnular sclerites. Compare to those shown in Cairns 2007 (Figure 9).
Figure 37 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 37 Parastenellapacifica, SBMNH 422983. Light microscopy arrays, scleritic scales. A An assortment a possible marginal scale b abaxial body wall scale c opercular scale B 10×-magnified image; marginal scale C 10×-magnified image; opercular scale.
Figure 36 from: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part III: Suborder Holaxonia continued, and suborder Calcaxonia. ZooKeys 860: 183-306. https://doi.org/10.3897/zookeys.860.34317
Figure 36 Parastenellapacifica, SBMNH 422983. A Colony (attachment base missing), ~15 cm × 13 cm, at widest point B Branch tip close-up.
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