Abstract
The study focused on the verification of the preferential site-specific concept hypothesizing, that mineral elements could be playing an initiating role in the biological speciation within Aneura pinguis cryptic species. A. pinguis species A and soil materials were collected from three ecological sites of Poland. They underwent genetic (Aneura pinguis) and chemical analyses (soil materials) for pH, total and water soluble (active) forms of Ca, Mg, K, Na fractions. Data revealed trends in the site preference of three genetic lineages (A1, A2 and A3) of A. pinguis cryptic species A. Lineage adaptability index Ca/(Mg + K + Na) reflecting the dynamic character of site pH implied, that lineages A1 and A2 were both calciphilous. The A3 lineages were intrinsically acidophilous and this characteristics was also observed at some A1 lineages. Site concentrations of Ca and in some cases Mg too were crucial in shaping pH, but this process could have been controlled by each mineral element, individually. Calciphilous or acidophilous A. pinguis species may be “remotely” attracted by high or low Ca (or Mg) concentrations, for alkalinity or acidity emergence, respectively. Mineral richness at investigated ecological sites has possibly initiated opportunistic and specific site colonisation by A. pinguis lineages.
Highlights
The study focused on the verification of the preferential site-specific concept hypothesizing, that mineral elements could be playing an initiating role in the biological speciation within Aneura pinguis cryptic species
Most of investigated plants belonging to the lineage A1 originated from the Pieniny Mts. (PNN), two samples A1 were collected at the Beskidy Mts. (BS) and one at the Tatry Mts. (T)
In the Kimura 2-parameter model (K2P) mode, the percentage of variation in the sequences between lineages A1 and A2 equals to 0.20%, while for A1 and A3 it raised five times, i.e. 1.0%
Summary
The study focused on the verification of the preferential site-specific concept hypothesizing, that mineral elements could be playing an initiating role in the biological speciation within Aneura pinguis cryptic species. Data revealed trends in the site preference of three genetic lineages (A1, A2 and A3) of A. pinguis cryptic species A. 10 cryptic species marked from A to J have been revealed within A. pinguis The latter ones differ in geographic distribution and ecological p references[3,4]. Some cryptic species of A. pinguis show marked genetic intraspecies differentiation dividing the species into subgroups (lineages). The observed pattern of genetic diversity, geographic distribution and ecological preferences of A. pinguis cryptic species A implies that the speciation in these species results possibly from the specialization in adaptation to different habitat, where the soil plays a leading role. Localities Barbarzyna meadow Górzańska wet meadow Źródlisko Olesówka, source of the stream Łonny Stream Łonny Kąty settlement Wądołowy stream Kozłecki stream Szczawa stream Wygon stream Olczyska Valley
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