Journal
WATER
Volume 13, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/w13091263
Keywords
microplankton; deep sea plankton; connectivity; biogeography
Categories
Funding
- Erasmus+ Fellowship at IEO, Centro Oceanografico de Malaga, Instituto Espanol de Oceanografia, Fuengirola, Spain
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The investigation on microplankton composition and spatial distribution in Italian seas found differences in horizontal distribution with higher similarities between surface stations. A comparison with data from the South Adriatic Sea confirmed higher dissimilarity between deep-sea samples in a relatively smaller geographic area.
An investigation on microplankton composition and spatial distribution has been carried out around Italian seas. The analysis of 53 samples, collected in 2017 at two depths in 27 different stations, has led to a scenario of horizontal distribution of microplankton. Dinophyta and Ciliophora were chosen as representatives of the whole microplankton community. A total of 60 genera were identified. Cluster analysis of data regarding taxa presence and abundance led us to recognize that similarities between surface stations were more evident than those between deep ones. Furthermore, we conducted an inter-annual comparison with available data from the South Adriatic Sea (2013, 2015). The higher dissimilarity between deep sea samples was also confirmed in a relatively smaller geographic area. The dissimilarity of deep-sea samples does not correspond to a higher habitat diversification, in terms of abiotic parameters. It has been suggested that the negligible biological connectivity in the deep, for those micro-organisms not able to perform wide spatial migrations, could produce such a biological diversification.
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