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Amphistegina lobifera

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Journal Article
Published: 01 April 2012
... 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 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...
FIGURES | View All (5)
Journal Article
Published: 01 October 1984
Journal of Foraminiferal Research (1984) 14 (4): 262-276.
Image
<b>Amphistegina</b> <b>lobifera</b> .  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  <b>Amphistegina</b> <b>lobifera</b>  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.
Image
Size-frequency distributions of living  <b>Amphistegina</b> <b>lobifera</b>  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.
Image
<b>Amphistegina</b> <b>lobifera</b> .  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
Image
Population data for  <b>Amphistegina</b> <b>lobifera</b>  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.
Image
Size-frequency distributions of living  <b>Amphistegina</b> <b>lobifera</b>  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.
Image
Figure 1. Amoeboids produced from  <b>Amphistegina</b> <b>lobifera</b>  and their biomine...
in > Geology
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 July 2012
Journal of Foraminiferal Research (2012) 42 (3): 234-244.
... 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...
FIGURES
Series: SEPM Special Publication
Published: 01 January 2009
DOI: 10.2110/sepmsp.093.067
EISBN: 9781565762978
...-Pacific. Morphological changes can be expressed mathematically according to equation 1 for Z o , where Z o represents depth and T/D is thickness-to-diameter ratio. Table 1. —Reported depths of various species of genus Amphistegina . reference location A. lobifera...
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Journal Article
Published: 01 January 2018
Journal of Foraminiferal Research (2018) 48 (1): 4-16.
... on the physiological flexibility of photosynthetic organisms to tolerate short pulses of increasing irradiance. Ziegler & Uthicke (2011) reported relatively small changes in the RLCs from Amphistegina lobifera Larsen across three short-term light treatments, but substantial differences in RLCs of two other...
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Journal Article
Published: 01 January 2018
Journal of Foraminiferal Research (2018) 48 (1): 75-84.
... silica frustules (e.g., Lee & Anderson, 1991 ; Talge & Hallock, 2003 ). Laboratory experiments conducted by Schmidt et al. (2016a , b) demonstrated that reduced photosynthetic activity in Amphistegina lobifera occurs at 32°C. The combination of elevated temperatures, nutrients and bleaching...
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1–3  <b>Amphistegina</b> lessonii : Specimens deployed for five days at Reference ...
Published: 01 April 2015
Figure 6 1–3 Amphistegina lessonii : Specimens deployed for five days at Reference site (1a, b), 15 m from vent (2a, b), and 7.5 m from vent (3a, b). 4–6 Am. lobifera : Specimen deployed for five days at Reference site (4a, b), 15 m from vent (5a, b), and 7.5 m from the vent (6a, b). 7–9 Am
Journal Article
Published: 01 April 2012
Journal of Foraminiferal Research (2012) 42 (2): 169-183.
.... Koukousioura O. Dimiza M. D. , 2009 , The presence of Indo-Pacific symbiont-bearing foraminifer Amphistegina lobifera in Greek coastal ecosystems (Aegean Sea, eastern Mediterranean) : Mediterranean Marine Science , v. 10 , p. 73 – 85 . Uthicke S. Nobes K. , 2008 , Benthic...
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Journal Article
Published: 01 April 2016
Journal of Foraminiferal Research (2016) 46 (2): 149-170.
... in shallow depths. Hohenegger (1994) interpreted the knobbed area around the aperture of the amphisteginids to be an adaptation for attachment in hard or phytal substrates, and further ( Hohenegger, 2004 ) reported that Amphistegina lobifera , in particular, prefer hard to gravel-sand substrates...
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Journal Article
Published: 01 January 2010
Journal of Foraminiferal Research (2010) 40 (1): 36-60.
... and Gaudryina quadrangularis Bagg were well represented in the deeper one, as was Amphistegina lobifera in both the deeper and shallower samples. Udotea geppiorum was collected at two locations, one at 1 m and the other at 24 m (Table 13 ). The most remarkable features were the presence...
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Journal Article
Published: 01 February 2012
Italian Journal of Geosciences (2012) 131 (1): 47-66.
..., and their stilt roots are overgrown by ostreids ( Saccostrea cucullata (Born) = Crassostrea cucullata (Born) Auctt.). Cluster F - Amphistegina lobifera and Textularia agglutinans assemblage (bioclastic foraminiferal sand) - Amphistegina lobifera (14.0–39.2%) and Textularia agglutinans (0.7...
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Journal Article
Published: 01 July 2004
Journal of Foraminiferal Research (2004) 34 (3): 169-179.
... difference 2 −6 −3 0 2 −1.0 ± 3.5 ns Amphistegina lobifera upper section 2 5 0 0 3 2.0 ± 2.1 lower section 0 11 3 0 1 3.0 ± 4.6 difference 2 −6 −3 0 2 −1.0 ± 3.5 ns Calcarinidae upper section 66 85 47 39 73 62 ± 19 lower section 29 105 14 6 24 36...
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