Biological aspects of the Spinicaudata (Branchiopoda, Diplostraca) in the largest alluvial wetland in Croatia

Popović, Marta; Gottstein-Matočec, Sanja

doi:10.1163/156854006777554811

Cited by 4 publications

(3 citation statements)

References 16 publications

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“…The Toomaroo population was young (<2 weeks old) when collected and did not survive because of fish predation (Timms & Handley 2008). It was however old enough to have reproduced, in keeping with the known short life cycle of E. ticinensis (Popović & Gottstein-Matočec 2006). It will be interesting in years to come to see if this species reappears in Lake Toomaroo as a self-maintaining population.…”

Section: Discussionmentioning

confidence: 90%

First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

Timms¹

2009

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Eoleptestheria ticinensis, a highly variable Eurasian species, was collected from three widely separated sites in northern Australia. Each population is described and compared with the eight described species of Eoleptestheria, now all synonyms of E. ticinensis. It is postulated that the Australian occurrences of these clam shrimps are initiated or maintained by dispersal due to migrating birds from China.

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Section: Discussionmentioning

confidence: 90%

First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

Timms¹

2009

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“…The low diversity/high density assemblage is typical of ephemeral waters with stressed conditions (wet/ dry seasonal climate and pyroclastic deposits), this is also refl ected in the anomalous sex ratios reported from either locality. These kinds of sex ratios are interpreted as a result of fl uctuating environmental conditions, as noted in ecological studies of extant taxa (Belk, 1972;Machado et al, 1999;Popovic & Gottstein-Matočec, 2007).…”

Section: Carapacementioning

confidence: 96%

Reassignment of Lioestheria codoensis Cardoso (Spinicaudata, Anthronestheriidae) from the Lower Cretaceous of Brazil: systematics and paleoecology

Gallego¹,

Monferran²,

Astrop³

et al. 2013

Rev. bras. paleontol.

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Lioestheria codoensis Cardoso was described from materials originally collected from the Codó Formation (Lower Cretaceous, Parnaíba Basin, Piauí State), northeastern Brazil. Since its discovery L. codoensis has been assigned to different genera by different authors [as Estheriina (Nudusia) and Cyzicus (Lioestheria)]. In this paper, previous systematic assignments are reviewed and discussed in light of new scanning electron microscopy studies of new material. As a result of this research, the species is assigned to a new genus of the Family Antronestheriidae, and the study integrates palaeontological, biological and ecological approaches to provide a robust description for the species. Previous assignments to other genera (Estheriina, Lioestheria and Cyzicus) are also assessed and comparisons with other related genera of the Family Anthronestheriidae (Pseudestherites, Etmosestheria, Anthronestheria and Paleolepthestheria? chinensis) are made. Detailed stratigraphical (Codó, Santana, Itapecuru, Rio da Batateira and Missão Velha formations) and geographical (seven localities) records are compiled. Finally, the autecology and within-species morphological variation are also addressed.

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“…Recent conchostracans (e.g. Cyzicus) are not constrained to particular habitats; they are found in the benthos as well as in the plankton (Popović & Gottstein-Matočec 2006). By analogy with living conchostracans, Escuminac species found with A. membranacea are not attributable to a distinct habitat based solely on the presence of this prey item; however, certain species have been found preferably associated with certain facies or stratigraphic horizons (Cloutier et al 2011).…”

Section: Trophic Interactions Within the Escuminac Assemblagementioning

confidence: 99%

Early establishment of vertebrate trophic interactions: Food web structure in Middle to Late Devonian fish assemblages with exceptional fossilization

Chevrinais¹,

Jacquet²,

Cloutier³

2017

Bull. Geosci.

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In past and present ecosystems, trophic interactions determine material and energy transfers among species, regulating population dynamics and community stability. Food web studies in past ecosystems are helpful to assess the persistence of ecosystem structure throughout geological times and to explore the existence of general principles of food web assembly. We determined and compared the trophic structure of two Devonian fish assemblages [(1) the Escuminac assemblage (ca. 380 Ma), Miguasha, eastern Canada and (2) the Lode assemblage (ca. 390 Ma), Straupe, Latvia] with a closer look at the Escuminac assemblage. Both localities are representative of Middle to Late Devonian aquatic vertebrate assemblages in terms of taxonomic richness (ca. 20 species), phylogenetic diversity (all major groups of lower vertebrates) and palaeoenvironment (palaeoestuaries). Fossil food web structures were assessed using different kinds of direct (i.e. digestive contents and bite marks in fossils) and indirect (e.g. ecomorphological measurements, stratigraphic species co-occurrences) indicators. First, the relationships between predator and prey body size established for the Escuminac fishes are comparable to those of recent aquatic ecosystems, highlighting a consistency of aquatic food web structure across geological time. Second, non-metric dimensional scaling on ecomorphological variables and cluster analysis showed a common pattern of functional groups for both fish assemblages; top predators, predators, primary and secondary consumers were identified. We conclude that Devonian communities were organized in multiple trophic levels and that size-based feeding interactions were established early in vertebrate history. • Key words: digestive contents, fossil fish, Devonian, ecomorphology, palaeoecology, bottom-up control, top-down control. Ursulines, Rimouski, Québec, G5L 3A1, Canada; richard_cloutier@uqar.ca The trophic structure of recent ecosystems has long been described as controlled either by lower trophic levels (bottom-up control) or by higher trophic levels (top-down control) depending on species interactions. In extant aquatic ecosystems, both bottom-up and top-down controls are recognized (McQueen et al. 1989, Menge 2000, Arreguín-Sánchez 2011. Large species are represented in the upper trophic level, but in relatively low abundance, whereas smaller and more abundant species represent lower trophic levels (Cohen et al. 1993) implying that relationships between predator and prey total lengths can be estimated.Trophic interactions in taxonomically, environmentally and temporally diverse ecosystems of the past have been reconstructed based on direct (e.g. digestive contents) and indirect (e.g. species co-occurrences) indicators such as for e.g. the Cambrian (Vannier & Chen 2005, Dunne et al. 2008, Vannier 2012, Devonian (Lebedev 1992, Lukševičs 1992, Novitskaya 1992, Mark-Kurik 1995, Habgood et al. 2003 (Maisey 1994, Wang et al. 2005) and the Quaternary (Nenzén et al. 2014). Most of these studies rely on qualitative d...

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Biological aspects of the Spinicaudata (Branchiopoda, Diplostraca) in the largest alluvial wetland in Croatia

Cited by 4 publications

References 16 publications

First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

Reassignment of Lioestheria codoensis Cardoso (Spinicaudata, Anthronestheriidae) from the Lower Cretaceous of Brazil: systematics and paleoecology

Early establishment of vertebrate trophic interactions: Food web structure in Middle to Late Devonian fish assemblages with exceptional fossilization

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