Analysis of distribution patterns of selected ephemeral wetland species in Western Pomerania (NW Poland, NE Germany)

Popiela, Agnieszka; Nalepka, Dorota; Łysko, Andrzej

doi:10.2478/v10119-010-0021-3

Cited by 2 publications

References 20 publications

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Intrapopulational variability and biochemistry of the globally rare species Coleanthus subtilis in response to the sediment parameters

Dajdok,

Polechońska,

Gola

et al. 2023

Preprint

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Aims Coleanthus subtilis is a globally rare or threatened, ephemeral therophyte of exposed bottoms of water reservoirs and riverbanks. Nevertheless, it shows a potential to conquer new areas and dominate in phytocoenoses showing morphological differentiation. The main aim of the study was to reveal the intrapopulational variability of the species in relation to sediment characteristics, ecological preferences in microscale, and allelopathic potential in the context of biochemical composition of its biomass. Methods A fishpond with a stable population was selected and data were collected from 107 plots distributed in transects perpendicular to the pond banks; in each plot following parameters were determined: pH, macroelement content in sediments, morphotypes of C. subtilis specimens, species composition of vegetation patches, and ecological indicator values. Collected specimens were used to determine the chemical composition and ecotoxicity. Results Morphological variability of C. subtilis is determined by pH and macroelement content of the sediments. Those parameters and values of ecological indicators (moisture, temperature and light) show a link to the composition of vegetation patches and the phytocoenoses with the high abundance of C. subtilis. Capability of C. subtilis to inhibit germination and growth of other species may account for its prevalence in phytocoenoses. Benzoxazinone derivatives, phenolic compounds and carboxylic acids known to be allelochemicals were identified in the species. Conclusions Morphological variability of C. subtilis is controlled by pH and nutrient content in sediments and species composition of vegetation patches; allelopathic effect found experimentally may be conditioned by chemical compounds determined in its specimens.

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Intrapopulational variability and biochemistry of the globally rare species Coleanthus subtilis in response to the sediment parameters

Dajdok,

Polechońska,

Gola

et al. 2023

Preprint

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Recent distribution of the Euro-Siberian-sub- Mediterranean species Elatine alsinastrum L. (Elatinaceae)

Popiela¹,

Łysko²,

Molnár³

2013

Acta Botanica Croatica

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-The general distribution of the endangered Euro-Siberian sub-Mediterranean species Elatine alsinastrum L. is provided using literature, web-sources and herbaria dataset. The distribution pattern shows some regularities: occurrence of locations along river valleys, formation of concentrated site clusters in some lowlands, wide distances between locations or site clusters or single locations between their clusters. The distribution patterns in central Europe seem to be rather well related to the history of the human migration in Europe at least since the Late Holocene. The scattered locations on the eastern part of the distribution area are likely to be a consequence of missing information, rather than to the fragmentation of its distribution.

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Analysis of distribution patterns of selected ephemeral wetland species in Western Pomerania (NW Poland, NE Germany)

Cited by 2 publications

References 20 publications

Intrapopulational variability and biochemistry of the globally rare species Coleanthus subtilis in response to the sediment parameters

Intrapopulational variability and biochemistry of the globally rare species Coleanthus subtilis in response to the sediment parameters

Recent distribution of the Euro-Siberian-sub- Mediterranean species Elatine alsinastrum L. (Elatinaceae)

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