Evaluation of ecosystem health of Bazangan wetland (Mashhad-Iran) via qualitative, biological and biodiversity indices

Heydari, Ali; Safari, Omid; Ahmadnia Motlagh, Hamidreza

doi:10.22051/jab.2020.26590.1308

Document Type : Research Paper

Authors

¹ MSC,Department of Fisheries and Environmental Sciences, Faculty of Natural Resources and Environment, Ferdowsi University of Mashhad

² Associate Professor, Ferdowsi University of Mashhad, Faculty of Natural Resources and Environment, Department of Fisheries and Environment

³ Assistant Professor, Ferdowsi University of Mashhad, Faculty of Natural Resources and Environment, Department of Fisheries and Environment

https://doi.org/10.22051/jab.2020.26590.1308

Abstract

The study was aimed to evaluate simultaneously the qualitative indices derived from the measurement of physicochemical parameters of water, as well as biological and demographic indices of the Bazangan wetland. Regarding to the high organic contamination from sediment amount and the stressful conditions of environment in this area, the highest relative frequency of macrobenthos was belonged to Chironomidae and Ephydridae families (resistant families to pollution) and the sensitive families to contamination (EPTs) were absent. The results of studying grading analysis and the total organic matter content in the sediments of samples stations during warm and cold seasons showed the texture of loam-silty, clay-sandy-loam and loam-clay. The maximum amount of organic matter (18.54%) in winter and the lowest amount of organic matter (4.65%) in spring was recorded in the stations. Finally, regarding the high correlation between biological and demographic indices and qualitative index with other indices, the parameters are more suitable indices to evaluate the ecosystem health of Bazangan wetland.

Keywords

References

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Applied Biology

Evaluation of ecosystem health of Bazangan wetland (Mashhad-Iran) via qualitative, biological and biodiversity indices

References

References

Volume 33, Issue 3 - Serial Number 65
November 2020
Pages 37-51

Evaluation of ecosystem health of Bazangan wetland (Mashhad-Iran) via qualitative, biological and biodiversity indices

References

References

Volume 33, Issue 3 - Serial Number 65November 2020Pages 37-51

Volume 33, Issue 3 - Serial Number 65
November 2020
Pages 37-51