Advances in Biology & Earth Sciences

ISSN Print: 2520-2847

ISSN Online: 2519-8033

Advances in Biology & Earth Sciences is an online & print peer-reviewed open access journal that provides rapid publication of articles in all fields concerning Biological and Earth Sciences and related fields. The aim of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of Biological and Earth Sciences and related fields.

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Species Diversity and Population Structure of Harvestmen (Arachnida, Opiliones) Communities in the Caucasian State Nature Biosphere Reserve (Russia)

Published: 05-12-2025

https://doi.org/10.62476/abes.103409

Abstract

We present the first study of harvestmen populations in the Caucasus State Nature Biosphere Reserve. As a result of this study, 17 species from three families - Trogulidae Sundevall, 1833 (2 species), Nemastomatidae Simon, 1872 (7 species), Phalangiidae Latreille, 1802 (8 species) and 14 genera were recorded, with a total of 14,361 individuals collected. Among them, Odiellus zecariensis was the dominant species, accounting for 67.21% of the total sample. To analyze the ecological structure of harvestmen communities, ecological indices were calculated, species abundance curves were constructed and cluster analysis based on faunistic similarity was performed. Faunistic and ecological data are provided for each recorded species.