Macrobenthic fauna of the meric river (turkishthrace): Composition of the community as related to water quality
Küçük Resim Yok
Tarih
2018
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Universidad Autonoma Metropolitana
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Background: Benthic macroinvertebrates are commonly used as indicators of the biological condition of waterbodies. Both the benthic macroinvertebrates and the physicochemical properties of the water provide important information about the pollution of a water environment. Goals: To investigate the relationships between assemblage composition of Oligochaeta (Annelida), Chironomidae (Diptera), and other macroinvertebrates with physical and chemical water variables in the Meric River, Turkey. Methods: This study was carried out by taking water and benthic samples at 8 stations at monthly intervals in order to determine what macrobenthic fauna exist in the Meric River and what environmental properties affect their distribution. Results: A total of 39 taxa were found and we determined that there is an average of 851 individuals per m2. Also, this study established the first records for Brachiura sowerbyii (Oligochaeta) and Pottashia alternis (Chironomidae) in the Turkish Thrace region. According to Shannon-Wiener index, while it was determined that Meric River has the highest diversity values with H' = 0.845 at the station 4, the river has the poorest diversity with H'= 0.477 at the station 2. Also, we examined similarities of distribution of Oligochaeta taxa by station and month using the Bray-Curtis index. Accordingly, while stations 6 and 8 were determined to be the most similar to each other, stations 2 and 5 were the least similar. The relationships between Oligochaeta taxa and physical and chemical parameters of water were evaluated using the Spearman Correlation index. As a result, we found that water temperature, pH, electrical conductivity, hydrogen sulfide, calcium, magnesium, phosphate, chlorine, salinity, dissolved oxygen and biological oxygen have positive correlations with some species of Oligochaeta, while nitrate and nitrite have negative correlations with some species of Oligochaeta. Conclusions: We made a number of suggestions for sustainable usage of this river. © 2018 Universidad Autonoma Metropolitana. All rights reserved.
Açıklama
Anahtar Kelimeler
Chironomidae; Fauna; Macrobenthic; Meric River; Oligochaeta
Kaynak
Hidrobiologica
WoS Q Değeri
Scopus Q Değeri
Q4
Cilt
28
Sayı
3
