Horizontal and vertical spatial microdistribution of foraminifers in the shallow subtidal Gulf of Trieste, northern Adriatic Sea

Hohenegger, Johann; Piller, Werner E.; Baal, C.

doi:10.2113/gsjfr.23.2.79

Cited by 58 publications

(37 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Elphidium advenum is commonly recorded in the Adriatic Sea and it is considered tolerant to low salinity and pollution (Jorissen, 1988). It is also reported from the Venice, Marano, and Grado lagoons and from the Gulf of Trieste (Albani and Serandrei Barbero, 1990;Hohenegger et al, 1993;Melis and Covelli, 2013). This species has also been found near the inlets of the Fogliano and Lungo coastal lakes, strongly related to sandy bottoms (Carboni et al, 2009).…”

Section: Distributionmentioning

confidence: 71%

“…This taxon is particularly abundant in eutrophic areas characterized by high concentrations of nutrients and variations in salinity (Melis and Covelli, 2013). Elphidium advenum lives in coastal areas and it is recorded in low percentages in the Mediterranean lagoons (Albani and Serandrei Barbero, 1990;Hohenegger et al, 1993). Elphidium clavatum and E. gerthi are usually found in low-salinity waters, such as estuaries, outer lagoons, and marginal marine environments strongly influenced by fluvial inputs (Murray, 2006).…”

Section: Stressed Assemblage (Assemblage A)mentioning

confidence: 99%

See 1 more Smart Citation

Benthic foraminifera or Ostracoda? Comparing the accuracy of palaeoenvironmental indicators from a Pleistocene lagoon of the Romagna coastal plain (Italy)

Barbieri

Vaiani

2018

J. Micropalaeontol.

View full text Add to dashboard Cite

Abstract. Integrated analyses of multiple groups of microfossils are frequently performed to unravel the palaeoenvironmental evolution of subsurface coastal successions, where the complex interaction among several palaeoecological factors can be detected with benthic assemblages. This work investigates the palaeoenvironmental resolution potential provided by benthic foraminifera and ostracoda within a Pleistocene lagoonal succession of the Romagna coastal plain (northern Italy). Quantitative approaches and statistical techniques have been applied to both groups in order to understand the main factors that controlled the composition of assemblages and compare the palaeoecological record provided by single fossil groups.The two faunal groups are characterized by the high dominance of opportunistic species (Ammonia tepidaAmmonia parkinsoniana and Cyprideis torosa); however, detailed palaeoecological information is inferred from less common taxa. Benthic foraminiferal assemblages are mainly determined by the frequencies of abnormal individuals and species related to high concentrations of organic matter, showing two assemblages: a stressed assemblage, consistent with a brackish-water environment subject to salinity and oxygen fluctuations, and an unstressed assemblage, which indicates more stable conditions. Despite the lower number of species, ostracoda show more significant differences in terms of species composition and ecological structure between their three assemblages, formed in response to a salinity gradient and indicative of inner, central, and outer lagoon conditions. The stratigraphic distribution of ostracod assemblages shows a general transgressive-regressive trend with minor fluctuations, whereas benthic foraminifera highlight the presence of a significant palaeoenvironmental stress.In this case, the higher abundance along the stratigraphic succession, the higher differentiation of the assemblages, and the well-defined relationship between taxa and ecological parameters determine Ostracoda as the most reliable fossil group for precise palaeoenvironmental reconstructions. Nevertheless, benthic foraminifera indicate palaeoenvironmental stress and can be used to refine the environmental interpretation in the presence of monospecific ostracod assemblages.

show abstract

Section: Distributionmentioning

confidence: 71%

Section: Stressed Assemblage (Assemblage A)mentioning

confidence: 99%

Benthic foraminifera or Ostracoda? Comparing the accuracy of palaeoenvironmental indicators from a Pleistocene lagoon of the Romagna coastal plain (Italy)

Barbieri

Vaiani

2018

J. Micropalaeontol.

View full text Add to dashboard Cite

show abstract

“…In the Hohenegger et al (1993) study, no replicates were taken at the stations, so we cannot test for differences between the 16 stations. However, these authors provided their data set, and the square 4 × 4 array allows us to test between rows and columns using a two-way ANOVA with one observation per cell.…”

Section: Homogeneity Of Noncontiguous Samples Between Stationsmentioning

confidence: 99%

“…ANOVA for station differences on ln(x + 1), where x is density of Ammonia tepida. Data from Hohenegger et al (1993). Hohenegger et al (1993), the fi ve species variation in standing crop.…”

Section: Homogeneity Of Noncontiguous Samples Between Stationsmentioning

confidence: 99%

See 1 more Smart Citation

Pulsating Patches History and Analyses of Spatial, Seasonal, and Yearly Distribution of Living Benthic Foraminifera

Buzas¹,

Hayek²,

Jett³

et al. 2015

Smithsonian Contributions to Paleobiology

View full text Add to dashboard Cite

Palaeoenvironmental control on sediment composition and provenance in the late Quaternary deltaic successions: a case study from the Po delta area (Northern Italy)

et al. 2006

View full text Add to dashboard Cite

Accumulation of continental, deltaic and shallow-marine sediments in the Po River coastal plain preserves a record of the Late Quaternary sea-level changes and shoreline migrations. The palaeoenvironmental evolution of this area and the changes in composition and provenance of sediments have been investigated through integrated sedimentological, micropalaeontological (mainly foraminifers) and geochemical analyses of core S1, from the southern part of the Po River delta, within a chronological framework supported by radiocarbon dating and correlations with adjacent core sequences.Eleven lithofacies, grouped into five facies associations, and four palaeontological assemblages provide the basis to define the palaeoenvironmental reconstruction of this succession consisting, from the base to the top, of: (i) continental sediments accumulated during the Late Pleistocene; (ii) back-barrier sediments marking the onset of Holocene sea-level rise; (iii) transgressive sands deposited during the rapid landward migration of a barrier-lagoon system; (iv) shallow-marine and prodelta sediments with faunal associations indicating a gradual approach to the Po River mouth; and (v) sub-recent delta front sands that form a considerable portion of the present coastal plain.Bulk chemical composition of sediments shows remarkable relationships with palaeoenvironments and locally improves facies characterizations. For example, they reveal carbonate leaching that emphasizes the occurrence of palaeosols in continental deposits or record enrichments in loss on ignition, S and Br, diagnostic of organic-rich layers in back-shore sediments. Selected geochemical elements (e.g. Mg and Ni) are particularly effective for the recognition of sediment provenances from the three main source areas observed in the subsurface deposits of the Po River coastal plain (e.g. Apenninic rivers, North Adriatic rivers and Po River). An Apenninic provenance is observed in continental and back-barrier sediments. A North Adriatic provenance characterizes the transgressive sands and the shallow-marine deposits; a significant Po River provenance is recorded in sediments related to the onset of the prodelta environment, confirmed by foraminiferal assemblages indicating remarkable increase in fluvial influxes.

show abstract

Horizontal and vertical spatial microdistribution of foraminifers in the shallow subtidal Gulf of Trieste, northern Adriatic Sea

Cited by 58 publications

References 0 publications

Benthic foraminifera or Ostracoda? Comparing the accuracy of palaeoenvironmental indicators from a Pleistocene lagoon of the Romagna coastal plain (Italy)

Benthic foraminifera or Ostracoda? Comparing the accuracy of palaeoenvironmental indicators from a Pleistocene lagoon of the Romagna coastal plain (Italy)

Pulsating Patches History and Analyses of Spatial, Seasonal, and Yearly Distribution of Living Benthic Foraminifera

Palaeoenvironmental control on sediment composition and provenance in the late Quaternary deltaic successions: a case study from the Po delta area (Northern Italy)

Contact Info

Product

Resources

About