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499 results for “YAPS”
FIGURE 1 in A new glass sponge genus (Hexactinellida: Euplectellidae) from abyssal depth of the Yap Trench, northwestern Pacific Ocean
FIGURE 1. Rhizophyta yapensis gen. et sp. nov., specimens. A. Holotype. Whole specimen (A1), lateral view of atrial surface (A2), and half-lateral view of dermal surface (A3). B. Paratype A. Whole collected sample (B1) and in situ image (B2). C. Paratype B. Collected sample (C1), dermal surface (C2), and atrial surface (C3). D. Paratype C. Collected sample with main body cut in half (D1), lateral view of main body (D2), and dermal surface (D3).
FIGURE 2 in A new glass sponge genus (Hexactinellida: Euplectellidae) from abyssal depth of the Yap Trench, northwestern Pacific Ocean
FIGURE 2. Rhizophyta yapensis gen. et sp. nov., surfaces of holotype. A. Atrial surface. B. Close-up image of atrial lattice. C. SEM of atrial lattice. D. Dermal surface with radiating subdermal strands of diactins. E. Close-up image of dermal lattice. F. SEM of dermal lattice. G. Base of peduncle with root-like structures. H. Close-up image of the veil of pentactins covering the peduncle. I. SEM of the veil of pentactins covering the peduncle. J. SEM of fused diactins in root-like structures.
Acoustic positioning telemetry in a case study on the Albert Canal (Belgium): VPS and YAPS positions
<p><strong>Description</strong><br> This dataset contains data of an acoustic positioning telemetry study on the Albert canal, in a 200x150 m area directly upstream of the navigation lock complex of Kwaadmechelen, Belgium. European silver eels (<em>Anguilla anguilla</em>) and Atlantic salmon smolts (<em>Salmo salar</em>) were tagged with 69-kHz acoustic transmitters (Vemco, Halifax, NS) and detected by acoustic receivers attached at the canal walls and ship guiding structures of the navigation lock complex. The study comprises 3 deployments between 2015-11-25 and 2017-06-16. At the end of each deployment, receivers were offloaded and the detections were sent to Vemco for processing and calculation of the VPS positions. Additionally, we used the raw detection data to calculate positions by use of the YAPS algorithm.</p> <p><strong>Files</strong></p> <ul> <li><strong>metadata.csv</strong>: definitions for the fields in deployments.csv, receivers.csv, transmitters.csv, detections.csv, positions_vps.csv, positions_yaps.csv and gps_track.csv.</li> <li><strong>deployments.csv</strong>: Start and end date of the 3 deployments. At the end of each deployment, receivers were offloaded and the detections were sent to Vemco for processing and calculation of the VPS positions.</li> <li><strong>receivers.csv</strong>: Positions and specifications of the used receivers (VR2W and 1 VRT2-x). Receivers with short_id ST8 and ST8-2 have the same receiver_id because it concerns the same receiver deployed in another position (changed on 2017-04-05 08:47). The short_id denotes this position.</li> <li><strong>transmitters.csv:</strong> Specifications of the used transmitters. Position and start_date/end_date are only specified for fixed transmitters (i.e. reference-Rx and synchronisation-Sx transmitters). S8-2, S9-2 and R4 were added during the last deployment, and have therefore start dates that differ from deployment start dates. Synchronisation transmitters Sx were collocated with receivers with corresponding STx-id. S8 and S8-2 have the same transmitter_id because it concerns the same transmitter deployed in another position.</li> <li><strong>detections.csv</strong>: Raw receiver detections with millisecond time accuracy, needed to perform the YAPS positioning algorithm. The synchronised time was calculated from the original time by use of the synchronisation transmitters: JennaVergeynst. (2019, November 13). JennaVergeynst/time_synchronization: Code for time synchronisation of an acoustic positioning system (Version v1.0.0). Zenodo. http://doi.org/10.5281/zenodo.3540681.</li> <li><strong>positions_vps.csv</strong>: Positions of fish, synchronisation and reference transmitters and test tracks from the Vemco Positioning System (VPS).</li> <li><strong>positions_yaps.csv</strong>: Positions of fish, synchronisation and reference transmitters and test tracks calculated with YAPS (Yet Another Positioning System): Baktoft, H., Gjelland, K. Ø., Økland, F., & Thygesen, U. H. (2017). Positioning of aquatic animals based on time‐of‐arrival and random walk models using YAPS (Yet Another Positioning Solver). Scientific Reports, 7(1), 14294. https://github.com/baktoft/yaps. The used code to prepare the synchronised detections as input data for YAPS, can be found on JennaVergeynst. (2019, November 13). JennaVergeynst/prepare_toa_for_yaps: Code to prepare TOA-data for YAPS (Version v1.0.0). Zenodo. http://doi.org/10.5281/zenodo.3540683</li> <li><strong>gps_track.csv</strong>: GPS positions of 2 test tracks: a track on 4 August with transmitter 255 and 53429 and one on 5 August with transmitter 16200.</li> </ul>
FIGURES 103–110. Nitzschia tarangensis. SEM except Fig. 103 DIC, all from Y26C. Fig. 103. Holotype specimen, valve view. Fig. 104 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 103–110. Nitzschia tarangensis. SEM except Fig. 103 DIC, all from Y26C. Fig. 103. Holotype specimen, valve view. Fig. 104. Whole valve in SEM, external view. Fig. 105. Internal view of valve fragment showing fibula density (details in Figs 109, 110). Fig. 106. External aspect of apex showing keel extension (long arrow), broad hyaline border of valve (short arrow), and numerous apical pores (arrowhead). Fig. 107. Mid portion of valve showing ribs along edge of valve depression (arrow) and each side of the raphe, and differing pattern of peri-raphe pores on opposite sides of the raphe (arrowheads). Figs 108–110. Internal views of valves showing apices (different valves) and a mid-portion. Arrow on Fig. 108 points to keel extension, arrow on Fig. 109 points to rimate striae near apex. Arrow on Fig 110 points to line of elongate foramina under the rib along the edge of the valve depression. Arrowheads on Figs 108–110 point to periraphe pores visible in the keel. Scale bars: Fig. 105 = 20 µm, Figs 103, 104 = 10 µm, Figs 106–109 = 5 µm, Fig. 110 = 2 µm.
FIGURES 70–78 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 70–78. Parlibellus paschalis. LM DIC except SEM Figs 77, 78. Figs 70–72. Live cells in different orientations showing plastids resembling hot cross buns in valve view (Fig. 70), butterflies in girdle view (Fig. 71), and obliquely, GU44L. Fig. 73. Several cells still attached in colonies, tube material not visible, GU44K-6. Fig. 74. Single frustule in girdle view, GU44K-6. Fig. 75. Holotype valve, GU44L-C. Fig 76. Valve from GU44K-6. Figs 77, 78. SEM of valves in exterior aspect, showing line of prominent pores along each side of sternum (arrow), and interior aspect showing lack of cuniculi in central nodule; GU44L-C. Scale bars: Figs 70–72 = 20 µm, Figs 73–78 = 10 µm.
FIGURES 50–61 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 50–61. Climaconeis minaegensis (Figs 50–60) and C. petersonii (Fig. 61). Figs 50–52 LM DIC, Figs 53–61 SEM. Figs. 50, 51. C. minaegensis holotype, entire valve and higher power view of one half, Y18E, Yap. Fig. 52. Specimen from BA-5, Bakir Atoll, Marshall Islands, broken valve showing length and bend in valve. Figs 53, 54. Whole valve and detail of central portion, internal view, BA-6, Bakir. Figs 55, 56. External central and apical portions, Y18E. Figs 57, 58. Internal central and apical portions, Y18E. Fig. 59. Internal view with broken raphe sternum showing ribs on both sides of the raphe (arrow). Figs, 60, 61. Internal apical comparison of C. minaegensis (Fig. 60) and C. petersonii (Fig. 61) sternum structure and areola shape. Scale bars: Figs 50–53 = 10 µm, Figs 54–61 = 5 µm.
FIGURES 45–49. Climaconeis tarangensis. Fig. 45. Holotype, Y26C, DIC. Figs. 46–49 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 45–49. Climaconeis tarangensis. Fig. 45. Holotype, Y26C, DIC. Figs. 46–49. SEMs of valves from same sample. Fig. 46. Exterior central portion, also showing copulae. Fig. 47. External apical portion; note silica flap along one side of raphe. Fig. 48. Interior central portion. Fig. 49. Internal apical portion showing helictoglossa and convergent striae. Scale bars: Fig. 45 = 10 µm, Figs 46–49 = 2 µm.
FIGURES 40–44. Thalassionema baculum. Figs 40, 41 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 40–44. Thalassionema baculum. Figs 40, 41. Valves as seen in LM, Fig. 40 the holotype, GU44I-1. Fig. 42. Whole mount in SEM, GU44I-1. Fig. 43. Detail of valve exterior, showing simple occluding bars over the areolae. Fig 44. Detail of interior, showing rimoportula (arrow) and foramina, GU44BF-1A. Scale bars: Figs 40–42 = 5 µm, Figs 43, 44 = 2 µm.
FIGURES 33–39. Divergita macinnisii, curved species. SEM except Fig. 33 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 33–39. Divergita macinnisii, curved species. SEM except Fig. 33 DIC; all from J5, Jaluit Atoll, Marshall Islands. Fig. 33. Holotype, stacked images at several focal planes because frustule is angled. Figs 34–36. External views in SEM: whole frustule and details of center and apex. Figs. 37, 38. Apex and center of specimen from BA-3, Bikar Atoll. Fig. 39. Internal apex, showing rimoportula (arrow) and foramina, J5. Scale bars: Figs 33, 34 = 10 µm, Figs 35–39 = 2 µm.
FIGURES 24–32. Divergita straight species. Figs 24, 25 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 24–32. Divergita straight species. Figs 24, 25. LM images of Divergita spp. Fig. 24. Divergita sp., Yap specimen is a possible example of D. biformis, but is from a different location (Y36) from the SEM holotype. Fig. 25. Divergita sp., Guam specimen, possibly D. decipiens, from the same location (GU52) as the holotype, but a different collection date. D. biformis has also been seen in SEM of samples from GU52, it is not possible to tell which species is shown here. Figs 26–28. Divergita biformis, sp. nov., SEM. Holotype specimen whole mount on stub 1116, Y45-5, whole valve and details of apex and center, showing narrow, linear sternum and areola pattern. Figs. 29–33. Divergita decipiens, sp. nov. SEM. Figs 29–31. Holotype specimen whole mount on stub 566, GU52R-2, external views, showing broad, lanceolate sternum. Fig. 32. Disassociated frustule from same sample, showing interior features of rimoportula (arrow) and foramina, along with external view showing that this is not Hyalosynedra. Scale bars: Figs 24–26, 29 = 10 µm, Figs 27, 28, 30–32 = 2 µm.
FIGURES 1–6. Plagiogramma subatomus. SEM except Fig. 1 DIC. Fig. 1 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 1–6. Plagiogramma subatomus. SEM except Fig. 1 DIC. Fig. 1. Holotype, GU44I-1, Guam. Fig. 2. External view of valve showing spines and apical slits; J5, Jaluit Atoll, Marshall Is. Fig. 3. Internal view showing boxlike pseudoseptum and apical slits, Palau (Konno). Fig. 4. Part of chain showing face to face connections; note the various depths of the copulae (arrow); PW2009-31, Palau. Figs 5, 6. Yap specimens (Y18E) showing internal aspect and a frustule in oblique view; arrow points to copulae. Scale bars: Fig. 1 = 10 µm, Figs 2–6 = 2 µm.
FIGURES 62–69. Climaconeis lorenzii SEM, Y26C, Yap. Figs 62, 63 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 62–69. Climaconeis lorenzii SEM, Y26C, Yap. Figs 62, 63. Central and apical portions of frustule in valve view showing deflected central raphe endings and row of larger pores along one side of sternum (Fig. 62 arrow). Fig. 64 Frustule showing craticular bars. Figs 65, 66. Central and apical portions of frustule in girdle view, showing large pores on pars exterior of the valvocopula (VC). Figs 67–69. Valve with valvocopula. Fig. 67. Entire (incomplete) specimen. Fig. 68. Detail of valvocopula showing the abvalvar surface on the left, hollow box structure shown at small arrow; on the right side below the break the frame is rotated inward to also show the pars exterior (arrowhead). and above the break rotated outward to show the proximal side of the box with crenulated margin (large arrow). Fig. 69. Detail of apex of valvocopula showing apparent break in the frame at the apex, the lack of pores near the apex, and the interlocking surfaces of the craticular bars. Scale bars: Figs 62–66, 69 = 5 µm, Fig. 67 = 10 µm, Figs 68 = 2 µm.
FIGURES 18–23. Licmophora graphis. SEM except Fig. 18 DIC. Fig. 18 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 18–23. Licmophora graphis. SEM except Fig. 18 DIC. Fig. 18. Living cells epiphytic on ectocarpoid phaeophyte filament, showing numerous small elliptical plastids clustered around the nucleus, GU44U-2. Figs 19–21. Holotype specimen whole mount on stub 718, GU44BJ-3: entire frustule and details of base and apex, showing change in stria density and presence of two apical rimoportulae (arrows). Figs 22, 23. Base and apex of specimen from GU80A-3. Scale bars: Figs 18, 19 = 10 µm, Figs 20–23 = 5 µm.
FIGURES 91–102 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 91–102. Pleurosigma simulacrum. DIC (Figs 91–93), SEM (Figs 94–102). Figs 91, 92. Holotype specimen, entire and portion at higher magnification, GU44AR-1. Fig. 93. Living cell, GU44AD-1. Figs 94–97. Specimens from culture GU52X-1 (courtesy M. Ashworth). Fig. 94. Central area, external view showing nonoverlapping central raphe endings. Fig. 95. Apex, showing hooked terminal raphe ending. Fig. 96. Internal central area; arrows indicate lines of small areolae along the sternum and valve border. Fig. 97. Internal apex, in this case with no areolae around the apex (arrowhead). Figs 98–101. Specimens from wild material. Figs 98, 99. External central and apical portions, the latter showing absence of calcar along valve border; Y26B, Yap, same arrows as on culture specimens. Figs 100, 101. Internal central and apical portions, GU44AR-1, same arrows as on culture specimens, apex showing one duplex areola on each side of the apex. Fig. 102. Specimen from Y37-8, showing apex with single duplex areola at apex. Scale bars: 91–93 = 10 µm, Figs 98, 99 = 5 µm, Figs 94–97, 100–102 = 2 µm.
FIGURES 7–17. Licmophora romuli. SEM except Fig. 7 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 7–17. Licmophora romuli. SEM except Fig. 7 phase contrast. Fig. Holotype specimen from GU44P-B, Guam; arrow marks the basal rimoportula. Fig. 8. Whole mount showing valvocopula with midrib crossing first from abvalvar side (the VC belongs to the valve underneath) to advalvar side, then back (arrowheads). Fig. 9. Part of acid-cleaned valve showing acropetal transition in the number of vimines outward from the sternum; Y41-7, Yap. Fig. 10. Internal aspect of basal pole with rimoportula. Fig. 11. External aspect of a pair of basal poles, showing multiscissura and rimoportula opening. Fig. 12. Internal aspect of an apex showing apical rimoportula. Fig. 13. Whole mount showing pleurae. Fig. 14. Valvocopula closed end showing lack of septum. Figs. 15–17. Parts of a valvocopula showing the midrib transitions (arrowheads) and the simply tapered open tip. Figs 8, 11, 13 from GU44P-B; Figs 12, 14–17 from GU52X-1. Scale bars: Fig. 7 = 10 µm, Figs 8, 9, 13–16= 5 µm, Figs 10–12 = 2 µm
FIGURES 79–90. Parlibellus waabensis. SEM except Figs 79, 80 DIC. Figs 79, 80 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap
FIGURES 79–90. Parlibellus waabensis. SEM except Figs 79, 80 DIC. Figs 79, 80. Holotype at two focal planes, Y39A. Fig. 81. Valve in valve view. Fig. 82. Detail of valve showing short biseriate sections of some striae on the mantle (arrows). Fig. 83. Valve in oblique view, arrow again pointing to biseriate stria. Figs 84, 85. External and internal aspect of valve apex showing terminal raphe hook relation to adjacent striae (arrows). Figs 86, 87. Details of internal apex and central area. Figs 88–90. Frustule in girdle view, with details of central and apical portions, the bands labeled in Fig. 90. Scale bars: Figs 79–83, 88 = 10 µm, Figs 84–87, 89, 90 = 5 µm
Text-fig. 10. Upper cheek teeth of Sayimys giganteus from Keseköy and Yapıntı (= YAP numbers) shown as right specimens. Left side specimens are shown in mirror image, these have underlined specimen numbers. in An Exceptional Large Sample Of The Early Miocene Ctenodactyline Rodent Sayimys Giganteus, Specific Variation And Taxonomic Implications
Text-fig. 10. Upper cheek teeth of Sayimys giganteus from Keseköy and Yapıntı (= YAP numbers) shown as right specimens. Left side specimens are shown in mirror image, these have underlined specimen numbers.
Text-fig. 9. Lower molars and premolars of Sayimys giganteus from Keseköy and Yapıntı (= YAP numbers) shown as right specimens. Left side specimens are shown in mirror image, these have underlined specimen numbers. in An Exceptional Large Sample Of The Early Miocene Ctenodactyline Rodent Sayimys Giganteus, Specific Variation And Taxonomic Implications
Text-fig. 9. Lower molars and premolars of Sayimys giganteus from Keseköy and Yapıntı (= YAP numbers) shown as right specimens. Left side specimens are shown in mirror image, these have underlined specimen numbers.
YAP and TAZ maintain PROX1 expression in the developing lymphatic and lymphovenous valves in response to VEGF-C signaling
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Food sources of benthic communities at the Caiwei Guyot and Yap Trench, northwestern Pacific Ocean: inferences from carbon and nitrogen isotopes
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