Species richness and meta-community structure of land snails along an altitudinal gradient on Bioko Island, Equatorial Guinea

Wronski, Torsten; Gilbert, Kadeem J.; Long, Elizabeth C.; Michá, Baltasar; Quinn, Ryan; Hausdorf, Bernhard

doi:10.1093/mollus/eyu008

Cited by 18 publications

(12 citation statements)

References 31 publications

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“…The species richness is dominated by the family Subulinidae (herbivores) followed by the family of Streptaxidae (carnivores). These results are in agreement with those of Amani (2016) and Wronski et al (2014). Consequently, there is a great similarity between the species harvested on the different parcels of the NCF.…”

Section: Discussionsupporting

confidence: 92%

See 1 more Smart Citation

Diversity of the Terrestrial Molluscs of an Urban Secondary Forest: The National Center for Floristry (NCF) of Abidjan, Côte d’Ivoire

Jerome

Clair

Mamadou

et al. 2019

ESJ

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The diversity of terrestrial Molluscs was studied in the National Center for Floristry (NCF) located at the University Felix Houphouet Boigny of Abidjan (Côte d'Ivoire) by combining the direct method and method of sampling litter. A total of 2626 individuals, belonging to 22 species and six families, were harvested from the 15 plots of the study area. Species richness ranges from eight to 21 species with an average of 12.66 ± 3.73. It was dominated by Subulinidae (50%) which are herbivores, and Streptaxidae (22.73%) which are carnivorous. Each plot yielded between 65 and 392 individuals (mean 175.06 ± 77.54). Numerical abundance was dominated respectively by Archachatina ventricosa with 23.61% (620 specimens), Limmicolaria flammea with 21.36% (561 specimens), and Achatina fulica with 16.60% (436 specimens). Based on the importance of the diversity of Molluscs, steps must be taken towards a better management policy for this center because these species has already been threatened by human activities.

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Section: Discussionsupporting

confidence: 92%

“…In addition, the average study area altitude of around 65 m can help to justify this weakness in species richness. Wronski et al (2014) and Tattersfield et al (2001) showed that the species richness is maximum between 400 m and 600 m altitude. Nevertheless, the number of species harvested is greater than that recorded by Lanka.…”

Section: Discussionmentioning

confidence: 99%

Diversity of the Terrestrial Molluscs of an Urban Secondary Forest: The National Center for Floristry (NCF) of Abidjan, Côte d’Ivoire

Jerome

Clair

Mamadou

et al. 2019

ESJ

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“…Probably they were introduced by human in a way stick to plant for reforestation. The thickness of leaf litter accelerated the species richness since they were in association [10]. As stated by Magnin et al [11] and Kiss & Magnin [12] that vegetation regulates the gastropods in term of food, shelter, and close ground climate.…”

Section: Resultsmentioning

confidence: 88%

Land snails on two different sides of Mt. Galunggung

Heryanto

2020

BIO Web Conf.

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It has been 32 years since the eruption of Mount Galunggung that the land snail diversity in the area were examined, not only in the stricken area but also in the secure place on the other side. The recent collection found 250 snails of 10 families (29 species). In the impacted area, 15 species (154 individuals) of land snails were discovered, whereas 18 species (96 individuals) were discovered in the unimpacted area. By a t-Student statistical analysis (95% confidence interval) for comparison between area of equal variances it was discovered that the two area differ significantly. The analysis was continued by using NMDS of PAST to show the difference more detail. This research proves that the snail assemblage in the impact area of eruption area were different with the snail’s assemblage in the unimpacted other side of the Mount.

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“…The patterns recovered here mark 4 broad stages in the evolution of the Central African subclade of the cephus group, all of which are likely tied to the episodic glacial cycles of the Pleistocene which would have alternately opened and closed exchange between Bioko and the African mainland since these landmasses are separated by only 35 km and a sea depth of less than 60 m [Siddall et al, 2003;Ngueutchoua and Giresse, 2010;Wronski et al, 2014]. In stage 1, a proto-C. cephus (common ancestor of C. erythrotis , C. cephus , and C. ascanius ) population became either isolated on Bioko, or semi-isolated in Cameroon north of the Sanaga River during a mid-Pleistocene glacial peak [Grubb, 1990[Grubb, , 2001Tosi, 2017].…”

Section: Tosi/hiraimentioning

confidence: 77%

X Chromosome Introgression and Recombination in the cephus Group of Cercopithecus Monkeys

Tosi

Hirai²

2017

Cytogenet Genome Res

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A representative of Cercopithecus erythrotis was surveyed at a 9.3-kb region of the X chromosome. The data were compared against homologous sequences of closely related Cercopithecus monkeys including C. cephus, a species recently shown to have 2 polymorphic X-chromosomal lineages. Direct sequence comparisons and subsequent phylogenetic analyses revealed that synapomorphies in the first 4.3 kb cluster C. erythrotis with one C. cephus lineage, while synapomorphies in the latter 5.0 kb join it with the second C. cephus lineage. This pattern very likely reflects an ancestral episode of introgression from C. cephus into C. erythrotis followed by a recombination event. Similar groups of synapomorphies occur at different phylogenetic depths within the C. erythrotis/C. cephus/C. ascanius radiation and reveal new details in the evolutionary history of this 3-species clade.

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Species richness and meta-community structure of land snails along an altitudinal gradient on Bioko Island, Equatorial Guinea

Cited by 18 publications

References 31 publications

Diversity of the Terrestrial Molluscs of an Urban Secondary Forest: The National Center for Floristry (NCF) of Abidjan, Côte d’Ivoire

Diversity of the Terrestrial Molluscs of an Urban Secondary Forest: The National Center for Floristry (NCF) of Abidjan, Côte d’Ivoire

Land snails on two different sides of Mt. Galunggung

X Chromosome Introgression and Recombination in the <b><i>cephus</i></b> Group of <b><i>Cercopithecus</i></b> Monkeys

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