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- Title
BENTHIC MACROINVERTEBRATES COMMUNITIES FROM THE SOUTHERN PART OF THE APUSENI NATURE PARK (ARIEŞ UPPER RIVER BASIN, ROMANIA).
- Authors
SÎRBU, Ioan; BENEDEK, Ana Maria; VASILE, Mihai; TOMA, Aurelia; SOARE, Mădălina
- Abstract
The benthic macroinvertbrate communities from the southern part of the Apuseni Nature Park were surveyed in August-September 2005. Samples were collected from 18 stations established along the Arieş River and three of its tributaries. The structure of benthic communities was characterized in terms of mean density and relative abundance of the invertebrate groups. The investigated rivers shelter typical rhithron communities, numerically dominated by Plecoptera, Ephemeroptera, and Trichoptera, which represent up to 79% of total numbers. However, a certain degree of water quality debasement even in the upstream stations is revealed by the high density and ratio of Chironomidae. The human impact (in the form of organic pollution by wastewater discharges from villages, hotels, and villas, and sawdust from sawmills) becomes evident in the lower stations on the Arieş River, downstream from Scărişoara, where Oligochaeta have a high density, and are prevalent in the community.
- Subjects
INVERTEBRATES; TAVERNS (Inns); MAYFLIES; CADDISFLIES; OLIGOCHAETA
- Publication
Acta Oecologica Carpatica, 2013, Vol 6, p103
- ISSN
2065-7064
- Publication type
Article