Abstract
The water area of Laspi Bay is located between the Cape Aya Nature Reserve and the coastal-acval complex near Cape Sarich. The benthic samples were collected during the summer period 2016–2019. The taxonomic diversity and current condition of the higher crustaceans, which live on the loose littoral and sublittoral bottoms of the bay, was assessed. 41 species of Malacostraca have been identified. They belong to 6 groups. In bay other Arthropoda representatives were found: Amphibalanus improvisus (Darwin, 1854) and Harpacticoida. The average biomass of higher crustaceans was 0.454±0.228 g/m2. The main role in its formation is played by Decapoda and is dominated by Diogenes pugilator. The average number of Malacostraca was 280±158 ind./m2. The highest percentage of occurrence and high density of settlement were recorded for Amphipoda. The ranked series by density index was headed by D. pugilator, Echinogammarus foxi, Centraloecetes dellavallei and Echinogammarus karadagiensis. The highest numbers were recorded at stations in the flood zone (0–0.5 m). High abundance and biomass concentrations of Malacostraca were recorded at the stations with sand and pebbles.
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