Letter sectionOstracod faunas and water masses across the continental margin off southwestern Africa
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Cited by (43)
The "Northern guests" and other palaeoclimatic ostracod proxies in the late Quaternary of the Basque basin (S Bay of Biscay)
2015, Palaeogeography, Palaeoclimatology, PalaeoecologyCitation Excerpt :Ostracods are a group of calcareous bivalved microcrustaceans that inhabit all aquatic environments from continental to abyssal oceanic areas (Horne et al., 2002; Yasuhara et al., 2008b; Rodríguez-Lázaro and Ruiz-Muñoz, 2012). Their distribution in marine environments is related to several physico-chemical parameters of the water masses (e.g. temperature, salinity, dissolved oxygen and nutrients or pH) and substrate characteristics (Brouwers, 1988; Dingle et al., 1989; Dingle and Lord, 1990; Corrège, 1993; Cronin et al., 1995; Ayress et al., 1997; Whatley et al., 1998; Cronin et al., 2002; Ayress et al., 2004; Yasuhara and Cronin, 2008; Yasuhara et al., 2012a, 2012b). The immediate response of the ostracod assemblage to variations in these environmental parameters marks the ostracods as a useful tool for palaeoclimatic and palaeoceanographic reconstructions.
Ostracoda (crustacea) as indicators of subaqueous mass movements: An example from the large brackish lake tangra yumco on the Southern Tibetan Plateau, China
2015, Palaeogeography, Palaeoclimatology, PalaeoecologyThe early Toarcian (early Jurassic) ostracod extinction events in the Iberian Range: The effect of temperature changes and prolonged exposure to low dissolved oxygen concentrations
2013, Palaeogeography, Palaeoclimatology, PalaeoecologyCitation Excerpt :However, recent studies have shown further explanation about the presence of a large number of cytherellids in fossil ostracod assemblages. Dingle et al. (1989), Brandão (2008), Brandão and Horne (2009) and Horne et al. (2011) suggested that was the existence of a different water-mass structure with low salinity and deep water masses which could explain the higher numbers of platycopines (cytherellids). This last proposal would indicate that the cytherellids could have inhabited deep-intermediate waters.
Ostracod Taxa as Palaeoclimate Indicators in the Quaternary
2012, Developments in Quaternary ScienceCitation Excerpt :A clear link has also been established between deepwater ostracod assemblages and oceanic water masses. Although individual water masses (e.g. North Atlantic Deep Water, NADW; Antarctic Bottom Water, AABW; Antarctic Intermediate water, AIW) may differ from each other by only a few degrees centigrade or by relatively minor differences in dissolved oxygen composition, these are significant enough for each water mass to be characterised by a particular ostracod faunal assemblage where they impinge upon the ocean floor (Dingle and Lord, 1990; Dingle et al., 1989). The differences in fauna are not necessarily very marked; they are more likely to be reflected in changes in the relative abundance of key species rather than their presence or absence.
Miocene ostracodes of cold seep settings from northern Apennines (Italy)
2012, Revue de MicropaleontologieCitation Excerpt :Analyzing the relationship between diversity and the abundance of platycopids, this author (Whatley, 1991, 1995) elaborated the method of the “Platycopid Signal” to recognize the zones of dissolved oxygen in the ancient oceans. He supported his conclusions citing Cronin (1983), Barkam (1985) and Dingle et al. (1989, 1990). Corbari (2004) and Corbari et al. (2005) are inclined to support that the platycopids are better suited to live in low oxygen waters than podocopids.
Response of ostracods to abrupt climate changes in the Western Mediterranean (Gulf of Lions) during the last 30kyr
2010, Marine MicropaleontologyCitation Excerpt :The interest of using ostracod assemblages in paleoclimatic and paleoenvironmental reconstructions mainly lies in their well known immediate response to variations in environmental parameters (salinity, temperature, and dissolved oxygen). Recent advances in the understanding of (paleo)diversity and evolution of ostracods lead researchers to conduct a large number of paleoclimatic reconstructions at all latitudes using ostracod assemblages (Alvarez Zarikian et al., 2009; Correge, 1993; Cronin et al., 1999; Cronin and Raymo, 1997; Didié and Bauch, 2000; Dingle and Lord, 1990; Dingle et al., 1989; Ducassou et al., 2004; Gasse et al., 1987; Jones et al., 1999; Passlow, 1997; Yamada et al., 2005; Yasuhara et al., 2008). For this study, we focused our attention on the abundance of certain species in relation to oxygen and nutrient content in bottom waters (Ayress et al., 1997; Caralp et al., 1993; Cronin et al., 1999; Dingle and Lord, 1990; Dingle et al., 1989; Gooday, 1988; Loubere, 1991; Smart et al., 1994).
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Present addresse: South African Museum, P.O. Box 61, Cape Town (South Africa).
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Present addresse: Department of Environmental Sciences, University of East Anglia, Norwich (U.K.).