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251 results for “Palau”
ATLAS Backward Trajectory Dataset for the Palau Atmospheric Observatory Balloon-borne ozonesonde record 2016-2019
<p>The ATLAS Backward Trajectory Dataset for the Palau Atmospheric Observatory (PAO) Balloon-borne ozonesonde record V1.0 provides backward trajectory data in NetCDF format calculated by the transport module of the Lagrangian Chemistry and Transport Model ATLAS (Wohltmann and Rex, 2009; Wohltmann et al., 2010) for coinciding Electrochemical Concentration Cell (ECC) ozonesonde measurements from the PAO located in Koror, Palau (7.3420° N, 134.4722° E), in the Tropical West Pacific (TWP) from 2016- October 2019 (Müller 2020, Müller et al. 2023). 30-days backward trajectories with a time step of 10 minutes were initialized at the time of an ozonesonde measurement at the PAO for every tenth ozonesonde reading within a profile and for a total number of 138 soundings (= days) and between 0 and 20 km altitude.<br> The model was driven by 3D wind fields, temperatures and diabatic heating rates from the ECMWF ERA5 reanalysis dataset (1.125° x 1.125°) with a 3 hour temporal resolution (compare Hoffmann et al., 2019). The model uses a hybrid vertical coordinate (zeta) which gradually transforms from "pressure" at the surface to "potential temperature" in the stratosphere (see Wohltmann and Rex, 2009). The corresponding vertical velocities change from vertical winds in pressure coordinates to diabatic heating rates.</p> <p> </p> <p>The Palau ECC record is currently being continued, will be available in the SHADOZ database in SHADOZ standard format in the near future, and can for now be found here: https://zenodo.org/record/6920648.</p> <p><strong>Please email katrin.mueller@awi.de and let us know what your intended purpose for the use of the data is. You will then receive updates if an improved version becomes available.</strong></p>
National Checklists: Palau Species List
Data from: GBIF.org (23 January 2025) GBIF Occurrence Download <a href="https://doi.org/10.15468/dl.vd2ajk" target="_blank" rel="noopener">https://doi.org/10.15468/dl.vd2ajk</a>
Figure 1. A in Survey of the Non-Migratory Birds of the Rock Islands Southern Lagoon World Heritage Site in Palau
Figure 1. A. Map of Palau. B. Map of the island groups of the Rock Islands Southern Lagoon World Heritage Site study area (inset). Our survey included all 10 island groups. Scale marker = 5 km..
FIGURE 8 in The Sea Slug Phanerophthalmus luteus (Gastropoda: Opisthobranchia) and its Habitat and Ecology at the Marine Jellyfish Lake (Ongeim'l Tketau), Palau, Western Pacific Ocean
FIGURE 8. Central and Western Pacific showing the distribution of Phanerophthalmus luteus (black stars) and the location of Jellyfish Lake, Palau (large gray star). Modified from distribution map for P. luteus in Austin, Gosliner, and Malaquias (2018, fig. 23).
FIGURE 5 in The Sea Slug Phanerophthalmus luteus (Gastropoda: Opisthobranchia) and its Habitat and Ecology at the Marine Jellyfish Lake (Ongeim'l Tketau), Palau, Western Pacific Ocean
FIGURE 5. Hydrography of Jellyfish Lake. The water column is divided into an oxic and an anoxic zone by a bacterial plate that creates a chemo- and thermocline. The bacteria absorb all the light and digest most of the vegetation (except larger branches). No foraminifera or animals are known to live below the bacterial plate due to the absence of oxygen in the water column. Phanerophthalmus luteus is restricted to the upper 3 to 10 m in the oxygenated part of the water column; they are most abundant between 4.5 and 7.6 m. Figure modified from Venkateswaran et al. (1993) by adding the depth distribution of P. luteus.
FIGURE 4 in The Sea Slug Phanerophthalmus luteus (Gastropoda: Opisthobranchia) and its Habitat and Ecology at the Marine Jellyfish Lake (Ongeim'l Tketau), Palau, Western Pacific Ocean
FIGURE 4. Bathymetry of Jellyfish Lake, Mecherchar Island. The gray line with arrows indicates the area in the lake of our marine survey to 10 m deep for sea slugs along the north and east sides of the lake. Black circles indicate the transect and collecting stations for foraminifera used to estimate the depth distribution of Phanerophthalmus luteus. Map and transect from Lipps and Langer 1999.
FIGURE 3 in The Sea Slug Phanerophthalmus luteus (Gastropoda: Opisthobranchia) and its Habitat and Ecology at the Marine Jellyfish Lake (Ongeim'l Tketau), Palau, Western Pacific Ocean
FIGURE 3. Vegetation of Jellyfish Lake, Mecherchar Island. A. The lake, slightly less than 400 m long, is in a hole at least 230 m deep (150 to 200 m from the top of the hole to the Lake's surface and 30 m to the bottom of the lake) in the Miocene limestone. North is at the top of the image. B. Dense terrestrial vegetation, including mangroves at the lake edges, hangs over the lake. The surrounding vegetation contributes organic debris to the lake. C. Bottom of the lake from 0 to 13 m is covered with plant debris and algal growth. Photograph is at 2 m deep looking down slope. D. One of many logs that have fallen into the lake and are now inhabited by a wide variety of algae and animals including P. luteus. View is down the log from a depth of about 0.5 m. Credits: A. Aerial photograph courtesy of Dr. Pat Colin. B.-D. Photographs by Jere H. Lipps, 2013.
FIGURE 7 in The Sea Slug Phanerophthalmus luteus (Gastropoda: Opisthobranchia) and its Habitat and Ecology at the Marine Jellyfish Lake (Ongeim'l Tketau), Palau, Western Pacific Ocean
FIGURE 7. Egg masses (more or less spherical to oblong white objects) of Phanerophthalmus luteus attached to filamentous and other algae on a slope in Jellyfish Lake. Photograph taken November 16, 2009, courtesy of Lori J. Bell.
Figure 2a–b in A Survey of Fruit Flies (Diptera: Tephritidae: Dacinae) and their Opiine Parasitoids (Hymenoptera: Braconidae) in Palau
Figure 2a–b. Number of fruit flies collected during three days of male lure trapping in December 2013 and December 2014 on Koror and Babeldaob Islands, Palau. MultiLure traps were used in 2013 and traps crafted from urine sample cups (Fig. 1) were used in 2014.
Fig. 3 in A new species of anchovy, Stolephorus astrum (Teleostei: Clupeiformes: Engraulidae), from Palau, Micronesia
Fig. 3. Relationships of selected measurements relative to standard length (SL) versus SL or maxilla length in Stolephorus astrum, new species (red circles), S. leopardus (yellow diamonds), S. pacificus (blue triangles), and S. teguhi (green squares). A, body depth (as % of SL); B, distance between dorsal-fin origin and pelvic-fin insertion (D–P2; as % of SL); C, distance between origins of dorsal and anal fins (D–A; as % of SL); D, predorsal-fin length (as % of SL); E, caudal-peduncle length (as % of SL); F, snout length (as % of SL); G, anal-fin base length (as % of SL); H, distance between dorsal-fin origin and pectoral-fin insertion (D–P1; as % of SL); I, postorbital length (as % of SL); J, distance between ends of supramaxilla and maxilla [SMX–MX; as % of maxilla length (ML)]; K, pectoral-fin length (as % of SL).
Fig. 2 in A new species of anchovy, Stolephorus astrum (Teleostei: Clupeiformes: Engraulidae), from Palau, Micronesia
Fig. 2. Pectoral-fin rays of preserved specimens of A, Stolephorus astrum, new species (CAS 230408, 49.8 mm SL, Babeldaob Island, Palau; melanophores scattered on 6 uppermost fin rays; left-right inverted) and B, S. pacificus (USNM 263476, 57.8 mm SL, Talofofo Bay, Guam; no melanophores on pectoral fin).
Fig. 1. A in A new species of anchovy, Stolephorus astrum (Teleostei: Clupeiformes: Engraulidae), from Palau, Micronesia
Fig. 1. A, lateral, B, dorsal, and C, ventral views of the holotype (CAS 230413, 48.1 mm SL, Babeldaob Island, Palau), and paratypes (D, CAS 248277, 53.3 mm SL, and E, CAS 248277, 54.8 mm SL (both Babeldaob Island, Palau) of Stolephorus astrum, new species (preserved specimens).
Fig. 13 in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 13. Microtopsis teschi Ng and Castro, ♂ (NSMT-Cr 30995; cb 3.5×cl 2.9 mm). Carapace (A), front-orbital region (B), left third maxilliped (C), left chela (D), right chela (E), right P4 (F), right P5 (G) and left G1 (H). Scales for ADE, BC, FG=1 mm, H=0.5 mm.
Fig. 15. A–B in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 15. A–B: Palicoides whitei (Miers), ♂(NSMT-Cr 31000; cb 7.0×cl 4.7 mm). Left orbital region, with third maxilliped, in ventral view (A) and right G1 in sternal view (B). Arrow in Fig. A shows a curved tubercle extending from the eyestalk to guard the cornea. C–E: Neopalicus jukesii (White), ♂ (NSMT-Cr 30997; cb 8.2×cl 7.3 mm). Left third maxilliped (C), G1 in ventral view (D) and distal part of the same in sternal view (E). F–G: Trierarchus squamosus (Stephenson and Hudson, 1957), ♂ (NSMT-Cr 30977; cb 12.6×cl 8.7 mm). Left third maxilliped (F) and left G1 in sternal view. (G). Scales for AC=1 mm, BEFG=2 mm, D=0.5 mm.
Fig. 14. A–B in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 14. A–B: Palicoides whitei (Miers), ♂ (NSMT-Cr 31000; cb 7.0×cl 4.7 mm) in dorsal (A) and ventral (B) views. C–F: Neopalicus jukesii (White), ♂ (NSMT-Cr 30997; cb 8.2×cl 7.3 mm) (C–E), and ovig.♀ (NSMT-Cr 30998; 8.7×7.6 mm). Carapaces in dorsal view (C, F), abdomen (D) and G1 in situ (E).
Fig. 12. A–C in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 12. A–C: Typhlocarcinops decrescens Rathbun, ♀ (NSMT-Cr 30993; cb 8.6×cl 5.8 mm) in different views. D–G: Microtopsis teschi Ng and Castro, ♂ (NSMT-Cr 30995; cb 3.5×cl 2.9 mm) (D–E), and ♀ (NSMT-Cr 30996; 4.0×3.1 mm) (F–G).
Fig. 11. A–B in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 11. A–B: Tetralia nigrolineata Serène and Pham, 1957, ♂ (NSMT-Cr 30988; cb 5.1×cl 4.1 mm) (A) and ovig.♀ (NSMT-Cr 30988; 5.8×4.9 mm) (B). C–E: Notonyx aff. sagittifer Ng and Clark, 2010, ♂(NSMT-Cr 30991; cb 5.0×cl 3.3 mm), carapace in dorsal view (C), both chela in outer view (D) and both chelipeds in dorsal view (E).
Fig. 10. A in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 10. A: Trierarchus squamosus (Stephenson and Hudson, 1957), ♂ (NSMT-Cr 30977; cb 12.6×cl 8.7 mm). Front-orbital region in dorsal view. B–C: Chlorodiella xishaensis Chen and Lan, ♂ (NSMT-Cr 30983; cb 8.0×cl 5.7 mm). Left G1 in ventral view (B) and right third ambulatory leg in dorsal view (C). D–F: Chlorodiella corallicola Miyake and Takeda, ♂ (holotype, ZLKU 1724; cb 6.6×cl 4.4 mm). Distal part of right G1 in ventral (D) and sternal (E) views (original figures by Miyake and Takeda, 1968). Scales for A=5 mm, B= 0.5 mm, C=3 mm, F=0.5 mm.
Fig. 8 in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 8. Trierarchus squamosus (Stehenson and Hudson 1957), ♂ (NSMT-Cr 30977; cb 12.6×cl 8.7 mm). Carapace in dorsal view (A), abdomen (B), both chelipeds in outer (C) and upper (D) views.
Fig. 9. A in A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging
Fig. 9. A: Gaillardiellus rueppellii (Krauss), ♂ (NSMT-Cr 30985; cb 8.8×cl 6.6 mm). B: Metaxanthops acutus Serène, ♂ (NSMT-Cr 30987; cb 6.8×cl 5.5 mm). C: Lophoplax sextuberculata Takeda and Kurata, ovig.♀ (NSMT-Cr 30992; cb 5.2×cl 4.0 mm). D: Vellumnus pygmaeus (Takeda), ♂ (NSMT-Cr 30994; cb 5.7×cl 4.5 mm). E: Chlorodiella corallicola Miyake and Takeda, ovig.♀ (NSMT-Cr 30980; cb 4.8×cl 3.2 mm). F: Chlorodiella xishaensis Chen and Lan, ♂ (NSMT-Cr 30983; cb 8.0×cl 5.7 mm).
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