The site of Ovçular Tepesi is located in the southern Caucasus (Nakhchivan Autonomous Republic). Two main archaeological phases were recognised at the settlement, namely Late Chalcolithic and Early Bronze Age. More than 1160 litres of soil samples from pits and circular stone structures belonging to the different occupation layers were processed by flotation and analysed. This paper focuses on the zoological finds from these samples, in particular the remains of fish, large mammals and micromammals, in order to determine the function of the pits and structures. Moreover, the material gives an insight into the animal economy, hunting and fishing practices of the inhabitants, as well as the local environment. Thus far, it could not be established whether the differences detected in the species composition between the phases are related to chronology alone or if other factors, such as sample sizes and type of deposits, also played a role. Fish bones were very frequent at the site with cyprinids dominating. Among the large mammals, domestic animals were the most frequent while hunted species were rare. Sheep and goat herding seems to have been the principal subsistence strategy at this site. The small mammal community is composed of synanthropic taxa and, as a consequence, the species diversity was very low (six taxa). House mouse was the most abundant in each feature on the site.
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The European biodiversity and forest strategies rely on forest sustainable management (SFM) to conserve forest biodiversity. However, current sustainability assessments hardly account for direct biodiversity indicators. We focused on forest multi-taxon biodiversity to: i) gather and map the existing information; ii) identify knowledge and research gaps; iii) discuss its research potential. We established a research network to fit data on species, standing trees, lying deadwood and sampling unit description from 34 local datasets across 3591 sampling units. A total of 8724 species were represented, with the share of common and rare species varying across taxonomic classes: some included many species with several rare ones (e.g., Insecta); others (e.g., Bryopsida) were repre sented by few common species. Tree-related structural attributes were sampled in a subset of sampling units (2889; 2356; 2309 and 1388 respectively for diameter, height, deadwood and microhabitats). Overall, multi taxon studies are biased towards mature forests and may underrepresent the species related to other developmental phases. European forest compositional categories were all represented, but beech forests were over represented as compared to thermophilous and boreal forests. Most sampling units (94%) were referred to a habitat type of conservation concern. Existing information may support European conservation and SFM strategies in: (i) methodological harmonization and coordinated monitoring; (ii) definition and testing of SFM indicators and thresholds; (iii) data-driven assessment of the effects of environmental and management drivers on multi-taxon forest biological and functional diversity, (iv) multi-scale forest monitoring integrating in-situ and remotely sensed information.
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RBINS Staff Publications 2023
