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Amphistegina lobifera

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Journal Article
Published: 22 September 2021
Journal of Foraminiferal Research (2021) 51 (3): 210–224.
... Seaway and tropical Pacific islands. The current study assessed growth and fecundity of two species, Marginopora vertebralis and Amphistegina lobifera , collected from sites in Viti Levu, Fiji, based on shell diameter, shell weight, fecundity, and survival. Specimens were cultured without supplemental...
Journal Article
Published: 01 April 2012
Journal of Foraminiferal Research (2012) 42 (2): 143–150.
... is Amphistegina lobifera Larsen, which is the largest and shallowest dwelling of the Indo-Pacific taxa. This epiphytic, symbiont-bearing foraminifer is also a remarkably successful invasive species in coastal ecosystems of the eastern Mediterranean, where its shell production is altering the composition...
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Journal Article
Published: 01 October 1984
Journal of Foraminiferal Research (1984) 14 (4): 262–276.
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<span class="search-highlight">Amphistegina</span> <span class="search-highlight">lobifera</span> .  1  light photomicrographs: a, normal-healthy speci...
Published: 01 April 2012
Figure 2 Amphistegina lobifera . 1 light photomicrographs: a, normal-healthy specimen, ventral side, sample 09/08; b, normal-healthy specimen, dorsal side, sample 05/09; c, white specimen, sample 05/09, the arrow points to remnant material common in specimens that have undergone gametogenesis
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Population data for  <span class="search-highlight">Amphistegina</span> <span class="search-highlight">lobifera</span>  specimens collected monthly (Ju...
Published: 01 April 2012
Table 2 Population data for Amphistegina lobifera specimens collected monthly (June 2008–May 2009) in the Vravron coastal ecosystem, representing mean values between the two counted samples.
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Size-frequency distributions of living  <span class="search-highlight">Amphistegina</span> <span class="search-highlight">lobifera</span>  specimens fo...
Published: 01 April 2012
Figure 4 Size-frequency distributions of living Amphistegina lobifera specimens for two samples each month; “Number Counted” indicates how many specimens were counted in each size class. St. Dev = standard deviation.
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Figure 1. Amoeboids produced from  <span class="search-highlight">Amphistegina</span> <span class="search-highlight">lobifera</span>  and their biomine...
Published: 01 November 2005
Figure 1. Amoeboids produced from Amphistegina lobifera and their biomineralization products. A: A. lobifera in acidic seawater, showing partial dissolution of calcareous shell and protoplasm spheres that bud from cell. B: Protoplasm sphere after being transferred to normal seawater produces
Journal Article
Published: 01 April 2021
Journal of Foraminiferal Research (2021) 51 (2): 69–80.
... than density for Amphistegina lobifera and Heterostegina depressa ; these two factors are equally important for Peneroplis pertusus , but the settling velocity of Sorites orbiculus is also considerably controlled by their unique structure, besides size and density. This species-specific pattern...
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Monthly abundance (specimens/100 cm 2  sample) of living (normal-healthy, w...
Published: 01 April 2012
Figure 3 Monthly abundance (specimens/100 cm 2 sample) of living (normal-healthy, white, broken, and epiphytized) and dead Amphistegina lobifera specimens, compared to sea-surface water temperature.
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Figure 3. Two types of calcite produced by amoeboids and in natural  Amphis...
Published: 01 November 2005
Figure 3. Two types of calcite produced by amoeboids and in natural Amphistegina lobifera shells. A: MgCO 3 content (mol %) vs. size of CaCO 3 precipitated by amoeboids. Microspheres (<10 mμ) that frequently develop into elongated structures are high-Mg calcite, while radial spherulites
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Photomicrographs of algal symbiont-bearing larger foraminifera considered i...
Published: 01 July 2004
) from the reef crest site. Peneroplis planatus (Fichtel and Moll) from the moat site. Sorites orbiculus (Forska°l) from the moat site. Amphistegina lessonii d’Orbigny from the 18-m depth site. Amphistegina lobifera Larsen from the reef crest site. Amphistegina radiata (Fichtel
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Figure 5. Scaning electron microscope images of primary wall of recalcified...
Published: 01 November 2005
Figure 5. Scaning electron microscope images of primary wall of recalcified individual. A: Primary wall showing typical lobes of chamber margins of Amphistegina lobifera that are constructed on glass substrate. At this stage, wall is composed of high-Mg microspheres assembled within organic
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Benthic foraminifera from the Al-Mukalla coastal area. Scale bar for all sp...
Published: 01 October 2016
Figure 6 Benthic foraminifera from the Al-Mukalla coastal area. Scale bar for all specimens = 100 μm. 1, 2 Cymbaloporetta bradyi (Cushman), 1 , umbilical view; 2 , spiral view. 3 Amphistegina lobifera Larsen, umbilical view. 4 Haynesina germanica (Ehrenberg), side view. 5 – 8
Journal Article
Published: 01 February 2012
Italian Journal of Geosciences (2012) 131 (1): 47–66.
... , Ammonia tepida , Ammonia sp., Amphistegina lobifera , Amphistegina papillosa , Amphistegina radiata , Challengerella bradyi , Discorbina turbo , Elphidium craticulatum , Heterolepa cf. subhaidingeri , Neorotalia calcar , Neorotalia sp. 1, Neorotalia sp. 2, Operculina ammonoides...
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Scanning electron micrographs of selected benthic foraminifers from the Bur...
Published: 01 February 2012
radiata , 18a ventral view, PL8, 18b dorsal view, PL8; 19. Amphistegina lessonii , 19a ventral view, PL8, 19b dorsal view, PL8; 20. Amphistegina lobifera , 20a ventral view, PL60, 20b dorsal view, PL60; 21. Operculina ammonoides , side view, PL46; 22. Heterostegina depressa , side view, PL4. Scale bar
Journal Article
Journal: Geology
Published: 01 November 2005
Geology (2005) 33 (11): 841–844.
...Figure 1. Amoeboids produced from Amphistegina lobifera and their biomineralization products. A: A. lobifera in acidic seawater, showing partial dissolution of calcareous shell and protoplasm spheres that bud from cell. B: Protoplasm sphere after being transferred to normal seawater produces...
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Journal Article
Published: 01 January 2010
Journal of Foraminiferal Research (2010) 40 (1): 36–60.
.... Amphistegina lobifera Larsen was observed only in the Chesterfield Archipelago. It was best represented on shallow (≤15 m) substrata, including dense turf of Laurencia flexilis (1 m), coral rubble (1 m), spongy thalli of Chamaedoris auriculata (1 m), calcareous blades of Udotea geppiorum (1 m...
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Journal Article
Published: 01 October 2011
Journal of Foraminiferal Research (2011) 41 (4): 314–325.
... examined basic metabolic processes such as photosynthesis and respiration (see Fujita and Fujimura, 2008 , and references therein). Using a differential manometer system, Lee and others (1980) demonstrated net primary production in Amphistegina ( Am. ) lobifera Larsen, which is the shallowest...
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Journal Article
Published: 01 July 2004
Journal of Foraminiferal Research (2004) 34 (3): 169–179.
...) from the reef crest site. Peneroplis planatus (Fichtel and Moll) from the moat site. Sorites orbiculus (Forska°l) from the moat site. Amphistegina lessonii d’Orbigny from the 18-m depth site. Amphistegina lobifera Larsen from the reef crest site. Amphistegina radiata (Fichtel...
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Journal Article
Published: 01 July 2012
Journal of Foraminiferal Research (2012) 42 (3): 234–244.
... found as far as 40°N and 31°S latitudes and their distributional range is delimited by the 13.7°C winter isotherm ( Langer and Hottinger, 2000 ; Langer, 2008a ). Laboratory experiments showed that Amphistegina lobifera ceased all movement if exposed to temperatures below 12°C ( Zmiri and others, 1974...
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