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60 results for “Chagos Archipelago”
Figure 10 in New Chilopoda from the Chagos Archipelago
Figure 10. Nycternyssa dekania dekania (Verhoeff, 1938). (A–D) NHMUK015619678. (A) Penultimate and ultimate leg-bearing segments and postpedal segments, ventral view. (B) Sternites and coxae of penultimate and ultimate leg-bearing segments. (C) Ultimate leg tarsus. (D) Female gonopods.
Figure 9. Mecistocephalus lohmanderi Verhoeff, 1939 in New Chilopoda from the Chagos Archipelago
Figure 9. Mecistocephalus lohmanderi Verhoeff, 1939. (A–E) NHM UK015626353; (C,D) NHM UK015619671. (A) Female ultimate leg-bearing segment, ventral view. (B) Female ultimate leg bearing segment, dorsal view. (C) Male ultimate leg-bearing segment, dorsal view. (D) Male ultimate legbearing segment, ventral view. (E) Metasternite of segment 7, ventral view.
Figure 6 in New Chilopoda from the Chagos Archipelago
Figure 6. Lamyctes tristani (Pocock, 1893). Syntypes, NHMUK015087793. A, F, G, ♂; B–E, H, ♀. (A) Forcipular segment, ventral view. (B) Forcipular segment, ventral view. (C) Anterior margin of forcipular coxosternite, ventral view. (D) Distal end of tibia of leg pair 11, lateral view. (E) Distal end of tibia of leg pair 12, lateral view. (F) Male gonopods, ventral view. (G) Filament of male gonopods, ventral view. (H) Female gonopods, ventral view.
Figure 5 in New Chilopoda from the Chagos Archipelago
Figure 5. Lamyctes tristani (Pocock, 1893). All NHMUK015626352 except (G) NHMUK NHMUK015619670. (A) Cephalic plate and antennae, dorsal view. (B) Ultimate articles of antenna, ventral view. (C) Left antenna, ventral view. (D) Anterior margin of forcipular coxosternite, ventral view. (E) Posterior third of trunk (TT10–14) dorsal view. (F) Distal end of tibia of leg pair 12, lateral view. (G) Leg 15, lateral view. (H) Female gonopods, ventral view.
Figure 8. Mecistocephalus lohmanderi Verhoeff, 1939. NHMUK015626353 in New Chilopoda from the Chagos Archipelago
Figure 8. Mecistocephalus lohmanderi Verhoeff, 1939. NHMUK015626353, except (C) NHMUK015619671. (A) Cephalic plate and antennae, dorsal view. (B) Labrum and clypeus, ventral view, showing spiculum (spi). (C) Labrum and clypeus, ventral view. (D) Forcipular segment, ventral view.
Figure 3. Lamyctes mauriesi Demange, 1981 in New Chilopoda from the Chagos Archipelago
Figure 3. Lamyctes mauriesi Demange, 1981. (A–E) NHMUK015619674; (C–G) NHMUK NHMUK015619674. (A) Cephalic plate and antennae, dorsal view. (B) Anterior margin of forcipular coxosternite. (C) Distal end of tibia 12, lateral view, showing spinose projection. (D) Leg 15 (left side), lateral view. (E) Female gonopods, ventral view. (F–G) Female gonopods, ventral view. Abbreviations: md, median diastema; ppd, pseudoporodont.
Figure 2 in New Chilopoda from the Chagos Archipelago
Figure 2. (A–J) Australobius chagosensis sp. n. (A–D, H–K) Holotype NHMUK015619673; (E–G,l) Paratype NHMUK 015626351. (A) Posterior third of trunk (TT 8–14), dorsal view. (B) Leg 14, lateral view. (C) Leg 15, lateral view. (D) Tarsus 2 of left leg 15, lateral view. (E) Tarsus 2 of left leg 15, dorsal view. (F) Distal end of left leg 15, lateral and dorsal views. (G) Tarsus 2 of left leg 14, lateral view. (H) Pretarsus of left leg 15, lateral view. (I) Segment 15 and postpedal segments, ventral view. (J,K) Gonopod spurs. (L) Gonopods of immature female, ventral view. (M) Australobius sculpturatus (Pocock, 1901), NHMUK 1952.12.11.73–74. Distal end of right leg 15, lateral view. (N) Australobius palnis (Eason, 1973). Holotype, BMNH(E) #200319 Chilo 1894.10.24.66. Distal end of left leg 15, lateral view. Abbreviations: ta1, tarsus 1; ta2, tarsus 2.
Figure 1 in New Chilopoda from the Chagos Archipelago
Figure 1. Australobius chagosensis sp. n. Holotype NHMUK015619673 except (E) paratype NHMUK015626351. (A) Cephalic plate and antennae, dorsal view. (B) Ocellar field and Tömösváry's organ, lateral view. (C) Ocellar field, lateral view. (D) Forcipular segment, ventral view. (E) Anterior margin of forcipular coxosternite, ventral view. (F) Anterior margin of forcipular coxosternite, ventral view. (G) Tergites 8–11, dorsal view. Abbreviations: med, median diastema; pd, porodont; To, Tömösváry's organ.
FIGURE 11 in Amphipoda (Crustacea) from the Chagos Archipelago
FIGURE 11. Latigammaropsis salomanensis sp. nov. male, holotype, 3.5 mm, female paratype 3.5 mm, Saloman atoll.
FIGURE 9 in Amphipoda (Crustacea) from the Chagos Archipelago
FIGURE 9. Ampithoe hughesae sp. nov., male, holotype, 4.8 mm, female, paratype, 4.5 mm, Peros Banhos.
FIGURE 2 in Amphipoda (Crustacea) from the Chagos Archipelago
FIGURE 2. Elasmopus atollicus sp. nov., male, holotype, 3.5 mm, female paratype, 3.5 mm, Diego Garcia.
FIGURE 4 in Amphipoda (Crustacea) from the Chagos Archipelago
FIGURE 4. Elasmopus ora sp. nov., male, holotype, 4.6 mm, female, paratype, 4.5 mm, Great Chagos Bank.
FIG. 14. Hypselodoris nigrostriata Chag96 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 14. Hypselodoris nigrostriata Chag96/58: tracing of SEM negatives, lateral teeth of row 30.
FIG. 5. Nembrotha lineolata Chag96 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 5. Nembrotha lineolata Chag96 /62: tracing of SEM negatives, radula row 10/11.
FIG. 15. Dendrodoris tuberculosa Chag96 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 15. Dendrodoris tuberculosa Chag96/7: ventral view.
FIG. 8. Hoplodoris estrelyado Chag96 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 8. Hoplodoris estrelyado Chag96/89: tracing of SEM negatives, ®rst seven teeth of row 9.
FIG. 7. Halgerda willeyi Chag96 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 7. Halgerda willeyi Chag96 /77: tracing of SEM negatives, last ®ve teeth of half row 27.
FIG. 1 in Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean
FIG. 1. Map of the Chagos Archipelago.
Carcharhinus amblyrhynchos and Carcharhinus albimarginatus underwater acoustic telemetry data - Chagos Archipelago 2014-2018
<p>A wide array of technologies are available for gaining insight into the movement of wild aquatic animals. Although acoustic telemetry may lack the fine-scale resolution of some satellite tracking technologies, the substantially longer battery life can yield important long-term data on behaviour and movement for low per-unit cost. Typically, however, receiver arrays are designed to maximise spatial coverage at the cost of positional accuracy leading to potentially longer detection gaps as individuals move out of range between monitored locations. This is particularly true when these technologies are deployed to monitor species in hard-to-access locations. We develop a novel approach to analysing acoustic telemetry data, using the timing and duration of gaps between animal detections to classify movement behaviours into 'restricted' or potential wider 'out of range' movements synonymous with longer distance dispersal. We apply this method to investigate spatial and temporal segregation of inferred movement patterns in two sympatric species of reef shark within a large, remote Marine Protected Area. Drivers of these movements were identified using generalised linear mixed models and multi-model inference. Species, diel period and season were significant predictors of 'out of range' movements. Silvertip sharks were overall more likely to undertake 'out of range' movements, compared to grey reef sharks, indicating spatial segregation, and corroborating previous stable isotope work between these two species. High individual variability in 'out of range' movements in both species was also identified. We present a novel gap analysis of telemetry data to help infer differential movement and space use patterns where acoustic coverage is imperfect and other tracking methods impractical. In remote locations, inference may be the best available tool and this approach shows that acoustic telemetry gap analysis can be used for comparative studies in fish ecology, or combined with other research techniques to better understand functional mechanisms driving behaviour.</p>
FIGURE 22. Liljeborgia heeia J.L in Amphipoda (Crustacea) from the Chagos Archipelago
FIGURE 22. Liljeborgia heeia J.L. Barnard, female, 2.9 mm, Diego Garcia.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.