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FIGURES 19–25. Glabrilaria hirsuta Rosso n in Cribrilinids (Bryozoa, Cheilostomata) associated with deep-water coral habitats at the Great Bahama Bank slope (NW Atlantic), with description of new taxa

FIGURES 19–25. Glabrilaria hirsuta Rosso n. sp., Great Bahama Bank slope, all figures from Station GeoB16388-3, SMF- 45.513, except for 24 from Station GeoB16382-1, SMF-45.512. 19. Several ovicellate zooids with a more triangular frontal area of ectooecium and transversal crests with two central prominent spiny processes. 20. Close-up of the ooecium without a spiny crest, ooecium-bearing distal kenozooid is well seen. 21. Group of autozooids with very wide ooecia. 22. Periancestrular area. 23. Ancestrula with four oral spines bases and nine opesial spine bases (all articulated). 24. Ancestrula with the intramural budding. 25. Close-up of costae with prominent peripheral spiny processes, intercostal bridges and pores. Scale bars: 19, 22–24 = 200 µm; 20 = 100 µm; 21 = 500 µm; 25 = 50 µm.

FIGURES 10, 11. Glabrilaria hirsuta Rosso n in Cribrilinids (Bryozoa, Cheilostomata) associated with deep-water coral habitats at the Great Bahama Bank slope (NW Atlantic), with description of new taxa

FIGURES 10, 11. Glabrilaria hirsuta Rosso n. sp., Great Bahama Bank slope, Station GeoB16374-1, holotype SMF-45.505a. 10. Composed image of a colony forming an almost complete ring around a coral branch about 5 mm in diameter. Two relatively long pauciserial lobes diverge from the ancestrula (arrowed in the second and third part of the composite image). 11. Strongly inclined view of some autozooids to show their typical spiny appearance. Scale bars: 10 = 1 mm; 11 = 200 µm.

FIGURES 2–9 in Cribrilinids (Bryozoa, Cheilostomata) associated with deep-water coral habitats at the Great Bahama Bank slope (NW Atlantic), with description of new taxa

FIGURES 2–9. Cribrilaria saginata (Winston, 2005) n. comb., Great Bahama Bank slope, Station GeoB16377-1. 2, 3. SMF- 45.503a. 4–9. SMF-45.503b. 2. Group of autozooids with flat, round to oval frontal shield, and avicularia. Note the large windows of the basal pore-chambers (arrowed). 3. Close-up of a single autozooid with five oral spines and an avicularium. 4. Group of autozooids including one ovicellate. 5. Slightly inclined view of the ovicellate zooid to show the frontal carina. 6. Autozooidal orifice and suboral bar. 7. Distal part of an ovicellate zooid with four oral spines. Note the large intercostal spaces between the first pair of suboral costae. 8. Interzoecial avicularium showing pointed pivotal denticles. 9. Group of autozooids, some showing intramural budding along the edge of a damaged colony. Scale bars: 2, 9 = 500 µm; 3–7 = 200 µm; 8 = 100 µm.

FIGURES 12–18. Glabrilaria hirsuta Rosso n in Cribrilinids (Bryozoa, Cheilostomata) associated with deep-water coral habitats at the Great Bahama Bank slope (NW Atlantic), with description of new taxa

FIGURES 12–18. Glabrilaria hirsuta Rosso n. sp., Great Bahama Bank slope, Station GeoB16374-1, holotype SMF-45.505a. 12. Marginal autozooid with bases of six oral spines, surrounded by kenozooids. 13. Ovicellate zooid with bases of four oral spines and an avicularium on one side. Note the transversal spiny crest surrounding the crescent-shaped flat and steeply inclined proximal surface of ectooecium. 14. Slightly inclined view of a peripheral ovicellate zooid with two avicularia lateral to the orifice and very prominent spiny processes of the ovicell crest. 15, 16. Inclined distal views of two ovicells showing the spiny crests of the ooecia and the costate distal shields of the ooecium-bearing kenozooids. 17. Periancestrular area showing the asymmetrical budding pattern of autozooids and kenozooids only from one side of the ancestrula; note that some autozooids posses seven oral spines. 18. Ancestrula with the bases of six articulated oral spines, three pairs of more spaced opesial spines and one proximal spine. Scale bars: 12, 13, 14, 17 = 200 µm; 15, 16, 18 = 100 µm.

FIGURE 1 in Cribrilinids (Bryozoa, Cheilostomata) associated with deep-water coral habitats at the Great Bahama Bank slope (NW Atlantic), with description of new taxa

FIGURE 1. Overview map with the study site (white asterisk) at the Great Bahama Bank slope. Bathymetry data from Ryan et al. (2009).

opencc-by-4.0Jul 2019View details →

Draft-Laboratory observation of turbulence and wave shear stresses under large scale breaking waves over a mild slope

figures with PNG format and dataset for generation of plots

FIGURE 4 in Gymnesigobius medits (Teleostei: Gobiidae), a new gobiid genus and species from the western Mediterranean slope bottoms

FIGURE 4. Phylogenetic relationship based on Bayesian Inference (BI) and Maximum Likelihood (ML) approaches for mitochondrial concatenated fragments (COI + Cytb) for gobies species. Bootstrap and Bayesian posterior probabilities are showed as percentages and are indicated near the nodes.

FIGURE 2 in Gymnesigobius medits (Teleostei: Gobiidae), a new gobiid genus and species from the western Mediterranean slope bottoms

FIGURE 2. Gymnesigobius medits sp. nov. PMR VP4649, holotype, male, 42.6 + 11.1 mm: a) ventrolateral head ridge marked with arrows; b) pelvic fin with remaining of broken membrane between fifth rays (black arrows) and anterior membrane (grey arrows). Photos by F. Ordines, modified by M. Kovačić.

FIGURE 1 in Gymnesigobius medits (Teleostei: Gobiidae), a new gobiid genus and species from the western Mediterranean slope bottoms

FIGURE 1. Gymnesigobius medits sp. nov. PMR VP4649 holotype, male, 42.6 + 11.1 mm, west of Mallorca: a) freshly col- lected, b) preserved specimen and c) X-ray. Photos by F. Ordines (a), M. Kovačić (b) and U. K. Schliewen (c).

FIGURE 3 in Gymnesigobius medits (Teleostei: Gobiidae), a new gobiid genus and species from the western Mediterranean slope bottoms

FIGURE 3. Gymnesigobius medits sp. nov. PMR VP4649, holotype, male, 42.6 + 11.1 mm: head lateral-line system sensory papillae and canal pores. Drawing by M. Kovačić.

FIGURE 9 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 9. Panoramic view of the fragmented habitat (A) and microhabitat (B) of Pristimantis nelsongalloi sp. nov. within the type locality.

FIGURE 6 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 6. Live specimens of Pristimantis nelsongalloi sp. nov. showing variation in dorsal and ventral coloration: A) adult female FHGO 13240, SVL = 21.7 mm, B) juvenile male, FHGO 13009, SVL = 12.0 mm), C) adult male, FHGO 13016, SVL = 16.0 mm, D) adult male, FHGO 13017, SVL = 14.7 mm. All specimens are shown in the same scale.

FIGURE 5 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 5. Drawings showing disc pad (gray) and disc cover on fingers (left), and terminal phalange (right): (A) Pristimantis nelsongalloi sp. nov., adult female, paratype DHMECN 5224: lanceolate disc cover and disc pad, and wide T-shaped terminal phalange; B) P. bicantus, adult male, FHGO 13324: round disc cover and disc pad, and wide T-shaped terminal phalange; and C) Niceforonia elassodisca, adult female, FHGO 13291: round pad, disc cover absent, and narrow T-shaped terminal phalange in. Illustrations are not scaled.

FIGURE 2 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 2. Holotype of Pristimantis nelsongalloi sp. nov. (FHGO 13018, adult male, SVL 17.0 mm) in preservative: A) dorsal view, B) ventral view, C) head, lateral view, and D) head, dorsal view.

FIGURE 3 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 3. Hand and foot of the holotype of Pristimantis nelsongalloi sp. nov. in preservative FHGO 13018, adult female: A) palmar view of hand, B) plantar view of foot.

FIGURE 8 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 8. Type locality of Pristimantis nelsongalloi sp. nov., locality of 9 de Octubre province of Morona Santiago, Ecuador (star). Circle represents the locality of Río Zuñac, province of Tungurahua, other locality where the new species was found.

FIGURE 1 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 1. Holotype of Pristimantis nelsongalloi sp. nov. in life, FHGO 13018, adult male, SVL 17.0 mm: A) dorsolateral view, and B) ventral view.

FIGURE 7 in A new species of terrestrial-breeding frog of the genus Pristimantis (Anura Terrarana: Craugastoridae) from the eastern Andean slopes of the southern Ecuador

FIGURE 7. Vocalizations of Pristimantis nelsongalloi sp. nov. adult male, FHGO 13018: A) Waveform (upper) and Spectrogram (lower) of a single, pulsed call; B) Waveform (upper) and Spectrogram (lower) of a call series with three calls.

opencc-by-4.0Oct 2019View details →

The beneficial role of stratigraphy on slope stabilization by drainage trenches: results of FEM numerical analyses.

Slope stabilization through drainage trenches is a classic approach in geotechnical engineering. Considering the low hydraulic conductivity of the soils in which this measure is usually adopted, a major constraint to the use of trenches is the time required to obtain a significant pore pressure decrease, here called “time lag”. In fact, especially when the slope safety factor is small, the use of drainage trenches may be a chancy approach due to the probability that slope deformations will damage the system well before it will become fully operative. However, this paper shows that the presence of persistent pervious natural soil layers in the slope can provide a significant benefit by increasing drainage efficiency and reducing time lag. As a matter of fact, any pervious layer that is intercepted by trenches may operate as part of the global hydraulic system, reducing the drainage paths. A simplified approach to design a drainage system accounting for the presence of a persistent pervious layer is proposed. This approach, which can exploit solutions available in literature for parallel drainage trenches, has been validated by numerical analyses.