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Polychaetes associated with the sciaphilic alga community in the northern Aegean Sea: spatial and temporal variability
Antoniadou, C.; Nicolaidou, A.; Chintiroglou, C.C. (2004). Polychaetes associated with the sciaphilic alga community in the northern Aegean Sea: spatial and temporal variability. Helgol. Mar. Res. 58(3): 168-182. https://dx.doi.org/10.1007/s10152-004-0182-6
In: Helgoland Marine Research. Springer: Berlin; Heidelberg. ISSN 1438-387X; e-ISSN 1438-3888
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| Trefwoorden |
Biodiversity
MED, Aegean
Topographic features > Landforms > Coastal landforms > Rocky shores
Polychaeta [WoRMS]
Egeïsch [Marine Regions]
Marien/Kust |
| Auteurs | | Top |
- Antoniadou, C.
- Nicolaidou, A.
- Chintiroglou, C.C.
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| Abstract |
Polychaete biodiversity has received little attention despite its importance in biomonitoring. This study describes polychaete diversity, and its spatial and temporal variability in infralittoral, hard substrate assemblages. Seven stations were chosen in the central area of the northern Aegean Sea. At each station, one to three depth levels were set (15, 30 and 40 m). Five replicates were collected by scuba diving with a quadrat sampler (400 cm2) from each station and depth level during summer for the spatial analysis, and seasonally for the study of temporal changes. Common biocoenotic methods were employed (estimation of numerical abundance, mean dominance, frequency, Margalef's richness, Shannon-Weaver index and Pielou's evenness). A total of 5,494 individuals, belonging to 79 species, were counted and classified. Diversity indices were always high. Clustering and multidimensional scaling techniques indicated a high heterogeneity of the stations, although these were all characterized by the sciaphilic alga community. A clear seasonal pattern was not detectable. Summer and autumn samples discriminate, while winter and spring form an even group. The abundance/biomass comparison indicated a dominance of k-strategy patterns, characteristic of stable communities. |
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