The late Holocene mollusc fauna of the Aral Sea and its biogeographical and ecological interpretation

Filippov, Andrei; Riedel, Frank

doi:10.1016/j.limno.2008.04.003

Cited by 26 publications

(8 citation statements)

References 21 publications

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“…Without further data we assume it concerns a form that falls within the wide morphological variation of A.minima . We moreover are very uncertain as to the status of Hypanisminima from Holocene deposits of Aral Sea as illustrated by Filippov and Riedel (2009, fig. 4s, t).…”

Section: Systematic Cataloguementioning

confidence: 99%

“…3f) show a broad and keeled Dreissena that has major morphological characters in common with D.polymorpha/elata rather than D.caspia . Filippov and Riedel (2009) reported Dreissenacaspia from Holocene core deposits of Aral Sea, but given the juvenile status of their material they noted they were uncertain whether it might comprise D.polymorpha . Dreissenacaspia was reported alive from the remaining “small Aral Sea” by Plotnikov et al (2016).…”

Section: Systematic Cataloguementioning

confidence: 99%

“…Most of the species that have been assigned to the genus Caspiohydrobia Starobogatov, 1970, including its type species, Pyrgohydrobiaeichwaldiana Golikov & Starobogatov, 1966, range within the morphological variability of E.grimmi . Previous examination of some Caspiohydrobia juvenile shells (Filippov and Riedel 2009, Anistratenko 2013, fig. 4A–C) as well as reproductive systems and radula did not find any criteria to support differentiation.…”

Section: Systematic Cataloguementioning

confidence: 99%

“…Endemic to the Caspian Sea. Occurred also in the Aral Sea during the Holocene (Filippov and Riedel 2009) but now extinct there. It has been reported from the Holocene of Danube Delta (Anistratenko and Prisyazhniuk 1992) (see below).…”

Section: Systematic Cataloguementioning

confidence: 99%

See 3 more Smart Citations

Mollusc species from the Pontocaspian region – an expert opinion list

Fp¹,

Neubauer²,

Vv³

et al. 2019

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Defining and recording the loss of species diversity is a daunting task, especially if identities of species under threat are not fully resolved. An example is the Pontocaspian biota. The mostly endemic invertebrate faunas that evolved in the Black Sea – Caspian Sea – Aral Sea region and live under variable salinity conditions are undergoing strong change, yet within several groups species boundaries are not well established. Collection efforts in the past decade have failed to produce living material of various species groups whose taxonomic status is unclear. This lack of data precludes an integrated taxonomic assessment to clarify species identities and estimate species richness of Pontocaspian biota combining morphological, ecological, genetic, and distribution data. In this paper, we present an expert-working list of Pontocaspian and invasive mollusc species associated to Pontocaspian habitats. This list is based on published and unpublished data on morphology, ecology, anatomy, and molecular biology. It allows us to (1) document Pontocaspian mollusc species, (2) make species richness estimates, and (3) identify and discuss taxonomic uncertainties. The endemic Pontocaspian mollusc species richness is estimated between 55 and 99 species, but there are several groups that may harbour cryptic species. Even though the conservation status of most of the species is not assessed or data deficient, our observations point to deterioration for many of the Pontocaspian species.

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Section: Systematic Cataloguementioning

confidence: 99%

Section: Systematic Cataloguementioning

confidence: 99%

Section: Systematic Cataloguementioning

confidence: 99%

Section: Systematic Cataloguementioning

confidence: 99%

See 2 more Smart Citations

Mollusc species from the Pontocaspian region – an expert opinion list

Fp¹,

Neubauer²,

Vv³

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Previous examination of both reproductive systems (Sitnikova et al 1992) and juvenile shells (Filippov and Riedel 2009) did not yield criteria supporting interspecific differentiation. Very likely all of the thirty Caspiohydrobia species listed by Kantor and Sysoev (2006) are morphotypes of a single species, probably E. grimmi .…”

Section: Systematic Paleontologymentioning

confidence: 93%

A late Pleistocene gastropod fauna from the northern Caspian Sea with implications for Pontocaspian gastropod taxonomy

Neubauer¹,

Velde²,

Yanina³

et al. 2018

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The present paper details a very diverse non-marine gastropod fauna retrieved from Caspian Pleistocene deposits along the Volga River north of Astrakhan (Russia). During time of deposition (early Late Pleistocene, late Khazarian regional substage), the area was situated in shallow water of the greatly expanded Caspian Sea. The fauna contains 24 species, of which 16 are endemic to the Pontocaspian region and 15 to the Caspian Sea. The majority of the species (13) belongs to the Pyrgulinae (Hydrobiidae), a group famous for its huge morphological variability in the Pontocaspian region. The phenotypic diversity has led to an inflation of genus and species names in the literature. New concepts are proposed for many of the genera and species found in the present material, with implications for the systematics and taxonomy of the entire Pontocaspian gastropod fauna. Laevicaspia vinarskii sp. n. is described as a new species. This contribution is considered a first step in revising the Pontocaspian gastropod fauna.

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Recent ecological change in ancient lakes

Hampton

McGowan

Ozersky

et al. 2018

Limnology & Oceanography

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Ancient lakes are among the best archivists of past environmental change, having experienced more than one full glacial cycle, a wide range of climatic conditions, tectonic events, and long association with human settlements. These lakes not only record long histories of environmental variation and human activity in their sediments, but also harbor very high levels of biodiversity and endemism. Yet, ancient lakes are faced with a familiar suite of anthropogenic threats, which may degrade the unusual properties that make them especially valuable to science and society. In all ancient lakes for which data exist, significant warming of surface waters has occurred, with a broad range of consequences. Eutrophication threatens both native species assemblages and regional economies reliant on clean surface water, fisheries, and tourism. Where sewage contributes nutrients and heavy metals, one can anticipate the occurrence of less understood emerging contaminants, such as pharmaceuticals, personal care products, and microplastics that negatively affect lake biota and water quality. Human populations continue to increase in most of the ancient lakes’ watersheds, which will exacerbate these concerns. Further, human alterations of hydrology, including those produced through climate change, have altered lake levels. Co‐occurring with these impacts have been intentional and unintentional species introductions, altering biodiversity. Given that the distinctive character of each ancient lake is strongly linked to age, there may be few options to remediate losses of species or other ecosystem damage associated with modern ecological change, heightening the imperative for understanding these systems.

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The late Holocene mollusc fauna of the Aral Sea and its biogeographical and ecological interpretation

Cited by 26 publications

References 21 publications

Mollusc species from the Pontocaspian region – an expert opinion list

Mollusc species from the Pontocaspian region – an expert opinion list

A late Pleistocene gastropod fauna from the northern Caspian Sea with implications for Pontocaspian gastropod taxonomy

Recent ecological change in ancient lakes

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