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Nutrients from R/V Melville MV1015 in the South Pacific from Arica, Chile to Easter Island from November to December 2010 (C-MORE project)
<p>"A 5-channel, continuous flow analyzer was used for dissolved nutrient determinations on the BIG RAPA cruise. Alpkem and Technicon AutoAnalyzer II™ components were used to measure phosphate, ammonium, nitrite, silicic acid and nitrate plus nitrite (N+N). A Keithley model 575 data acquisition system backed by analog strip chart recorders was used to acquire the data. Absorbance data was converted to concentrations using the OSU program NUTCALC." Time is in GMT. More detailed information is available at: http://dmoserv3.bco-dmo.org/jg/info/BCO-DMO/CMORE/bigrapa/nutrients%7Bdir=dmoserv3.bco-dmo.org:80/jg/dir,data=dmoserv3.bco-dmo.org:80/jg/serv/BCO-DMO/CMORE/bigrapa/nutrients.html1%7D?</p>
FIGURE 15. Cyphoderus manuneru n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 15. Cyphoderus manuneru n. sp. A‒E) Abdominal sensory fields, left side, refer to Fig. 13A. A) Abd. II. B) Abd. III, outer field. C) Abd. III, inner field. D) Abd. IV, anterior field. E) Abd. IV, posterior field. F) Trochanteral organ of hind leg. G) Forefoot complex. H) Hind foot complex. I) Dens and mucro, dorsal view, with enlargement of smaller terminal scale-like seta. J) Dens and mucro, ventral view.
FIGURE 14. Cyphoderus manuneru n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 14. Cyphoderus manuneru n. sp. A) Labial palpus, arrow indicates lateral process on sensillum E. B) Oval head scale. C) Bilobed head scales. D) Pore on Abd. III with associated grooves. E) Ciliated mesoseta A4 and associated smooth microseta of Abd. IV. F‒H) Sublateral, dorsal, and lateral views of mucrones, respectively. Scales are in Μm.
FIGURE 11 in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 11. Lepidocyrtus olena. Chaetotaxy of fourth abdominal segment. Open and filled circles represent macro- and microsetae, respectively. Microsetae anterior to bothriotricha T2 and T4 are fan-shaped, as shown enlarged for setae s and D1.
FIGURE 7 in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 7. Lateral views of whole specimens. A) Coecobrya kennethi Jordana & Baquero. B) Coecobrya aitorererere n. sp. C) Pseudosinella hahoteana n. sp. D) Seira manukio n. sp. E) Lepidocyrtus olena Christiansen & Bellinger. All scales 200 Μm. Images 7A, C and D were previously published in BioScience, 64, 711‒718 (2014).
FIGURE 6. Coecobrya aitorererere n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 6. Coecobrya aitorererere n. sp. A) Mesothorax, anterior lateral region; mi: microsensillum; ms: microseta. Dashed arrow points anteriorly. B‒D) Images of unguiculi showing truncate distal region. Scales = 10 Μm.
FIGURE 10. Lepidocyrtus olena. A in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 10. Lepidocyrtus olena. A) Dorsal chaetotaxy of head. B) Chaetotaxy of labium and postlabium. Open and filled circles are coarsely ciliate and smooth setae, respectively. C) Detail of labial triangle chaetotaxy. D) Mesothorax chaetotaxy. E) Mucro and detail of mucronal spine. F) Hind foot complex. G) Second abdominal segment chaetotaxy. H) Third abdominal segment chaetotaxy, showing alternative condition of lateral setae. Open and filled circles represent macro- and microsetae, respectively, unless otherwise indicated.
FIGURE 12. Pseudosinella hahoteana n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 12. Pseudosinella hahoteana n. sp. A) Dorsal chaetotaxy of head. B) Fourth antennal segment, apical papilla. C) Labial triangle chaetotaxy. D) Second abdominal segment chaetotaxy. E) Third abdominal segment chaetotaxy. F) Fourth abdominal segment chaetotaxy. G) Metathoracic foot complex. H) Mucro and distal section of dens showing transition from crenulate to smooth surface. Open and closed circles represent macro- and microsetae, respectively.
FIGURE 8. Seira manukio n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 8. Seira manukio n. sp. A) Dorsal macroseta on dens base. B) Metathoracic claw complex. C) Distal end of dens and mucro. D) Detail of eye patch. E) Dorsal chaetotaxy of head. Open circles represent macrosetae, small filled circles microsetae. F) Chaetotaxy of labium and postlabium. Open circles represent ciliate setae, filled circles are smooth setae, and 'V' represents scales. G) Ventral face of manubrium. H) Mesothorax chaetotaxy. Inset displays alternate arrangement of setae in paratype. I) Metathorax chaetotaxy. J) Chaetotaxy of first abdominal segment.
FIGURE 4. Coecobrya aitorererere n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 4. Coecobrya aitorererere n. sp. A) Dorsal head chaetotaxy. B, C) Anterior ventral head chaetotaxy. D) Labial palpus. E) Labial papilla E. F) Setae of maxillary palpus. G) Labrum. H) Ant. I–III, dorsal view, and enlargement of crescentiform sensillum. I) Ant II–III, ventral view, and enlargement of sense rod in Ant. III apical organ. J) Apex of Ant. IV, and enlargements of pointed seta with double basal ring and curved sensillum with punctate convex surface.
FIGURE 2. Entomobrya manuhoko n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 2. Entomobrya manuhoko n. sp. A) Anterior edge of labrum. B) Labial palpus. C) Setae along labial base. D) Maxillary palpus. E) Apex of Ant. IV. F) Trochanteral organ. G) Hind foot. H) Chaetotaxy of ventral tube: an, anterior; la, lateral; po, posterior. I) Male genital plate. J) Manubrial plate region; black circles with slash represent pseudopores, two mesosetae drawn to show relative sizes. K) Mucro.
FIGURE 9. Seira manukio n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 9. Seira manukio n. sp., dorsal chaetotaxy. A) Second abdominal segment. B) Third abdominal segment C) Fourth abdominal segment.
FIGURE 13. Cyphoderus manuneru n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 13. Cyphoderus manuneru n. sp. A) Dorsal chaetotaxy of head and body. B) Ventral cephalic chaetotaxy. C) Mesochaetae. D) Lateral edge of mesonotum. E) Labrum, anterior region of head, and dorsal view of Ant. I. F) Ventral view of Ant. I. G) Dorsal view of Ant. II. H) Ventral view of Ant. II. I) Labial palpus. J) Labial papillae E (left) and B (right) showing guard seta bases. K) Head of maxilla.
FIGURE 1. Entomobrya manuhoko n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 1. Entomobrya manuhoko n. sp. A) Lateral view. B) Dorsal view, intact specimen. C) Dorsal view, thoracic and abdominal segments after clearing and mounting. D) Head, dorsal view. E) Mesosetae of various sizes on abdominal segment V. F) Right submedial region of mesonotum showing range of setal socket sizes. G) Tibiotarsal pseudojoint. H) Variation in tibiotarsal seta thickness and ciliation. I) Tibiotarsal setae and location of smooth subapical seta. Inset: closeup of smooth seta. All scales are in Μm.
FIGURE 3. Entomobrya manuhoko n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 3. Entomobrya manuhoko n. sp. A) Head, adult dorsal chaetotaxy. B) Adult chaetotaxy of Th. II‒Abd. II. C) Adult chaetotaxy of Abd. IIII‒VI. D) Late juvenile chaetotaxy of Abd. IV. E) Macroseta. Scales for A‒D = 200 Μm.
FIGURE 5. Coecobrya aitorererere n in Collembola of Rapa Nui (Easter Island) with descriptions of five endemic cave-restricted species
FIGURE 5. Coecobrya aitorererere n. sp. A) Dorsal chaetotaxy: Th. II‒Abd. IV, left side, Abd. IV, right side without mesosetal marks. B) Abd. V‒VI, left side, Question marks indicate mesosetae of uncertain affinity. C) Abd. II, bothriotrichal region. D) Abd. III, bothriotrichal region. E) Hind trochanter. F) Hind tibiotarsus. G) Hind foot complex. H) Ventral tube; as, anterior setae; ls, lateral setae; ps, posterior setae. I) Furcula, subdorsal view of left side, filled dots represent fringed mesosetae. J) Mucro. Setal labels for Abd. IV and V after Zhang et al. (2011).
FIGURE 1 in New records of coral-associated crabs (Decapoda: Brachyura: Carpilioidea, Trapezoidea) from Easter Island
FIGURE 1. Live coloration of trapezioid crabs from Easter Island. A, Cherusius triunguiculatus (Borradaile, 1902), male (4.7 mm×3.7 mm) (ZRC 2016.0121). B, Domecia hispida Eydoux & Souleyet, 1842, female (5.9 mm×4.6 mm) (ZRC 2016.0122). C, Trapezia punctimanus Odinetz, 1983, male (12.2 mm×10.6 mm) (ZRC 2016.0123). D, T. punctimanus, male (6.5 mm×5.6 mm) (ZRC 2016.0124). E, Trapezia septata Dana, 1852? male (9.5 mm×8.0 mm) (ZRC 2016.0125).
FIGURE 6 in Endemism and long distance dispersal in the waterfleas of Easter Island
FIGURE 6. Late Pleistocene-Early Holocene Daphnia ephippia from Easter Island. Daphnia (Ctenodaphnia) sp. Unidentified fossil ephippium from Rano Raraku Lake (IBB-98 in Cañellas-Boltà et al. 2012; images by N. Cañellas-Boltà, with permission), same ephippium, different illumination. Scale bar 0.5mm.
FIGURE 5 in Endemism and long distance dispersal in the waterfleas of Easter Island
FIGURE 5. Ovalona pascua sp. nov. adult female postabdomen shape (variation, four specimens from different localities, from top to bottom Hanga Tuu Hata, Vai-Atara, Teravaka, Hanga Rao), compared to three species of the circumtropical O. pulchella-complex and to O. weinecki. O. cambouei after Sinev (2001b), O. glabra after Sinev (2001a), O. pulchella after Sinev (2001b) and O. weinecki after Van Damme & Dumont (2008a). Not to scale.
FIGURE 4 in Endemism and long distance dispersal in the waterfleas of Easter Island
FIGURE 4. Ovalona pascua sp. nov. Adult male postabdomen and shape in comparison to selected species (B). A, postabdomen, complete, loc. pool North of Hanga Roa village, West of Easter Island, Chile, coll. by H.J. Dumont and K. Martens, 18.VIII.1990. B, comparison O. pascua sp. nov adult male postabdomen shape, three specimens from different localities (top, after Dumont & Martens (1996), centre, pool at Hanga Rao, bottom, pool at Hanga Tuu Hata) compared to three species of the circumtropical O. pulchella-complex and to O. weinecki. O. cambouei after Sinev (2015), O. glabra after Sinev (2001a), O. pulchella after Sinev (2001b), O. weinecki after Frey (1988). Not to scale (B).
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International Brain Laboratory public data
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OpenNeuro
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