Dispersal of terrestrial gastropods by birds during the nesting period

Шиков, Е.В.; Vinogradov, A. A.

doi:10.12657/folmal.021.012

Cited by 9 publications

(5 citation statements)

References 11 publications

(12 reference statements)

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“…Despite a distance of 10 to 30 km between closely related taxa, when taking into account running water and regular flooding in this region, long‐distance dispersal of land snails is also possible by passively rafting on floating materials, such as plants, debris or driftwood (Dörge, Walther, Beinlich, & Plachter, 1999 and references therein). Alternatively, passive dispersal by other animals is also possible, such as by birds (Kawakami, Wada, & Chiba, 2008; Shikov & Vinogradov, 2013) and also by anthropogenic activities (Dörge et al., 1999).…”

Section: Discussionmentioning

confidence: 99%

Molecular phylogeny reveals high diversity and endemism in the limestone karst‐restricted land snail genus Sophina Benson, 1859 from Myanmar (Eupulmonata: Helicarionidae), with description of four new species

Sutcharit

Jeratthitikul

Pholyotha

et al. 2020

J. Zool. Syst. Evol. Res.

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Sophina is a poorly known and neglected genus due to the inaccessibility of the Salween Basin, Southern Myanmar. Taxonomic status, distribution, and phylogeny are being revised based on an integrative analysis of genitalia, radula, and molecular data. Morphological variation in shells and genitalia, together with a phylogenetic tree from concatenated data of mitochondrial and nuclear genes, revealed the existence of ten species/subspecies. Penial morphology and genetic divergence were generally consistent and useful in delimiting species, while shell characters showed little overall taxonomic utility in some species. Taxonomic placement of the previous subspecies “bensoni” shows clear distinction in both genitalia and molecular evidence, and is currently recognized as a distinct species. The nominal species “S. schistostelis” and “S. calias” possess similar genitalia and shell morphology, and molecular evidence suggested that they are sister taxa representing geographically isolated populations. Four new species are additionally described herein as S. furfuracea n. sp., S. pisinna n. sp., S. salweenica n. sp., and S. tonywhitteni n. sp. based on both morphology and molecular evidence. Phylogenetic analyses supported monophyly of Sophina, and further a split into two principal clades. These two clades showed little difference in genitalia, but more clear differences in the umbilical area and allopatric distribution in upper and lower reaches of the Gyaing River. High genetic divergence was revealed and this coincided with remarkable degree of endemism and localization with a pattern of one outcrop for one lineage. These data highlight the importance of the Salween Basin's karst ecosystems as an evolutionary and endemic biodiversity hotspot, and indicate that a focus on conservation and management in this area is urgently required.

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Section: Discussionmentioning

confidence: 99%

Molecular phylogeny reveals high diversity and endemism in the limestone karst‐restricted land snail genus Sophina Benson, 1859 from Myanmar (Eupulmonata: Helicarionidae), with description of four new species

Sutcharit

Jeratthitikul

Pholyotha

et al. 2020

J. Zool. Syst. Evol. Res.

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“…They can be readily dispersed by the wind as living organisms or in resting states, which they go into to survive unfavorable conditions such as dehydration (Nkem et al, 2006;Vanschoenwinkel et al, 2008;Carroll and Viglierchio, 1981;Ptatscheck et al, 2018). The higher read proportions for Gastropoda (snails and slugs) in samples CY26, CY31, and CY48 might be explained by the presence of tissue or skin fragments in the air, due to their dispersal or transport by birds during the nesting phase (Pearce et al, 2010;Shikov and Vinogradov, 2013).…”

Section: Composition and Community Changes In Fungimentioning

confidence: 99%

“…Primary biological aerosol particles, or short bioaerosols, are a subset of atmospheric aerosol particles directly emitted from the biosphere into the atmosphere. They comprise living and dead microorganisms (e.g., bacteria), dispersal units (e.g., fungal spores, plant pollen), fragments (e.g., plant debris), and viruses (Després et al, 2012;Whon et al, 2012;Fröhlich-Nowoisky et al, 2016;Smets et al, 2016;Yahya et al, 2019;Pöhlker et al, 2021). Bioaerosols can serve as nuclei for cloud droplets and ice crystals influencing the formation of precipitation, and some of them are important allergens and pathogens (Brown and Hovmøller, 2002;D'Amato et al, 2007;Andreae and Rosenfeld, 2008;Steiner et al, 2015;Müller-Germann et al, 2017;Fröhlich-Nowoisky et al, 2016;Lang-Yona et al, 2018;Huang et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Bioaerosols and atmospheric ice nuclei in a Mediterranean dryland: community changes related to rainfall

et al. 2022

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Abstract. Certain biological particles are highly efficient ice nuclei (IN), but the actual contribution of bioparticles to the pool of atmospheric IN and their relation to precipitation are not well characterized. We investigated the composition of bioaerosols, ice nucleation activity, and the effect of rainfall by metagenomic sequencing and freezing experiments of aerosol samples collected during the INUIT 2016 campaign in a rural dryland on the eastern Mediterranean island of Cyprus. Taxonomic analysis showed community changes related to rainfall. For the rain-affected samples, we found higher read proportions of fungi, particularly of Agaricomycetes, which are a class of fungi that actively discharge their spores into the atmosphere in response to humidity changes. In contrast, the read proportions of bacteria were reduced, indicating an effective removal of bacteria by precipitation. Freezing experiments showed that the IN population in the investigated samples was influenced by both rainfall and dust events. For example, filtration and heat treatment of the samples collected during and immediately after rainfall yielded enhanced fractions of heat-sensitive IN in the size ranges larger than 5 µm and smaller than 0.1 µm, which were likely of biological origin (entire bioparticles and soluble macromolecular bio-IN). In contrast, samples collected in periods with dust events were dominated by heat-resistant IN active at lower temperatures, most likely mineral dust. The DNA analysis revealed low numbers of reads related to microorganisms that are known to be IN-active. This may reflect unknown sources of atmospheric bio-IN as well as the presence of cell-free IN macromolecules that do not contain DNA, in particular for sizes < 0.1 µm. The observed effects of rainfall on the composition of atmospheric bioaerosols and IN may influence the hydrological cycle (bioprecipitation cycle) as well as the health effects of air particulate matter (pathogens, allergens).

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“…They can be readily dispersed by the wind as living organisms or resting states, which they produce to survive unfavorable conditions such as dehydration (Nkem et al, 2006;Vanschoenwinkel et al, 2008;Carroll and Viglierchio, 1981;Ptatscheck et al, 2018). The higher read proportions for Gastropoda (snails and slugs) in samples CY26, CY31, and CY48 might be explained by the presence of tissue or skin fragments in the air, due to their dispersal or transport by birds during the nesting phase (Pearce et al, 2010;Shikov and Vinogradov, 2013).…”

Section: Composition and Community Changes Of Fungi Viridiplantae And Metazoamentioning

confidence: 99%

Bioaerosols and atmospheric ice nuclei in a Mediterranean dryland: Community changes related to rainfall

Tang

Sánchez-Parra

Yordanova

et al. 2021

Preprint

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Abstract. Certain biological particles are highly efficient ice nuclei (IN), but the actual contribution of bioparticles to the pool of atmospheric IN and their relation to precipitation are not well characterized. We investigated the composition of bioaerosols, ice nucleation activity, and the effect of rainfall by metagenomic sequencing and freezing experiments of aerosol samples collected during the INUIT 2016 campaign in a rural dryland on the Eastern Mediterranean island Cyprus. Taxonomic analysis showed community changes related to rainfall. For the rain-affected samples, we found higher read proportions of fungi, in particular of Agaricomycetes, which are a class of fungi actively discharging their spores into the atmosphere in response to humidity changes. In contrast, the read proportions of bacteria were reduced, indicating an effective removal of bacteria by precipitation. Freezing experiments showed that the IN population in the investigated samples was influenced by both rainfall and dust events. For example, filtration and heat treatment of the samples collected during and immediately after rainfall yielded enhanced fractions of heat-sensitive IN in the size ranges larger than 5 μm and smaller than 0.1 μm, which were likely of biological origin (entire bioparticles and soluble macromolecular bio-IN). In contrast, samples collected in periods with dust events were dominated by heat-resistant IN active at lower temperatures, most likely mineral dust. The DNA analysis revealed low numbers of reads related to microorganisms that are known to be IN-active. This may reflect unknown sources of atmospheric bio-IN as well as the presence of cell-free IN macromolecules that do not contain DNA, in particular for sizes < 0.1 μm. The observed effects of rainfall on the composition of atmospheric bioaerosols and IN may influence the hydrological cycle (bioprecipitation cycle) as well as the health effects of air particulate matter (pathogens, allergens).

show abstract

Dispersal of terrestrial gastropods by birds during the nesting period

Cited by 9 publications

References 11 publications

Molecular phylogeny reveals high diversity and endemism in the limestone karst‐restricted land snail genus Sophina Benson, 1859 from Myanmar (Eupulmonata: Helicarionidae), with description of four new species

Molecular phylogeny reveals high diversity and endemism in the limestone karst‐restricted land snail genus Sophina Benson, 1859 from Myanmar (Eupulmonata: Helicarionidae), with description of four new species

Bioaerosols and atmospheric ice nuclei in a Mediterranean dryland: community changes related to rainfall

Bioaerosols and atmospheric ice nuclei in a Mediterranean dryland: Community changes related to rainfall

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