What is it about?
The purpose of the study was to: (i) identify the varied Ulva species occurring throughout the salinity gradient, (ii) indicate which Ulva species occur in a similar or different salinity, (iii) determine whether there is a link between Ulva morphotypes and the occurrence of a given species in a particular salinity zone.
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Why is it important?
It has been shown that the morphotype of the thallus (leaf-shaped or tubular) is correlated with water salinity levels. Ulva species with leaf-shaped thalli are not found in fresh (< 0.5 PSU) and poorly saline (<10 PSU) waters, whereas tubular species are recorded in freshwater, brackish, and marine ecosystems (from 0 to 39 PSU).
Perspectives
it has been observed that tubular species are characterized by a wider range of salinity tolerance than species with leaf-like thalli, given that leaf-like species were not found in habitats below 10 PSU.
Dr Andrzej Stanisław Rybak
Adam Mickiewicz University in Poznań
Read the Original
This page is a summary of: Species of Ulva (Ulvophyceae, Chlorophyta) as indicators of salinity, Ecological Indicators, February 2018, Elsevier,
DOI: 10.1016/j.ecolind.2017.10.061.
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