Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See

Changes in the C, S, N, P concentrations, organic matter content and electron transport system activity (ETS) of the sediment and in the NO2-, NO3-, PO43- SO42-, NH4+ concentrations of water and sediment interstitial water were studied in the Hungarian part of Lake Fertõ/Neusiedler See during the ve...

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Main Authors: ÁGOSTON-SZABÓ, E., DINKA, M.
Format: Article
Language:deu
Published: Eötvös Loránd University 2006-12-01
Series:Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis
Subjects:
Online Access:http://opuscula.elte.hu/PDF/Tomus35/Agoston_final.pdf
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author ÁGOSTON-SZABÓ, E.
DINKA, M.
author_facet ÁGOSTON-SZABÓ, E.
DINKA, M.
author_sort ÁGOSTON-SZABÓ, E.
collection DOAJ
description Changes in the C, S, N, P concentrations, organic matter content and electron transport system activity (ETS) of the sediment and in the NO2-, NO3-, PO43- SO42-, NH4+ concentrations of water and sediment interstitial water were studied in the Hungarian part of Lake Fertõ/Neusiedler See during the vegetation period. Sediment samples were collected in healthy and die-back reed stands and in the open water area from the 0-5 cm sediment layers. Organic matter content, C, N, S, P concentrations and ETS-activity were significantly higher in the sediment of the degraded reed stand. Higher electrical conductivity and SO42- concentration were found in the second part of the vegetation period, when the water level was lower. The seasonal variation in PO43- and NO3- concentrations of the surface water showed an antagonistic pattern. Higher PO43-and NH4+ concentrations were measured in the sediment interstitial water in summer, when the temperature and the decrease in SO42- concentration, which indicate the SO42- reduction processes, were greater. The higher ETS-activity values in September were probably due to the decaying mass of macrophytes.
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spelling doaj.art-d16e123a44a6481fac931f3b519bf2fa2022-12-21T18:49:10ZdeuEötvös Loránd UniversityOpuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis0237-54192006-12-0135317Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler SeeÁGOSTON-SZABÓ, E.DINKA, M.Changes in the C, S, N, P concentrations, organic matter content and electron transport system activity (ETS) of the sediment and in the NO2-, NO3-, PO43- SO42-, NH4+ concentrations of water and sediment interstitial water were studied in the Hungarian part of Lake Fertõ/Neusiedler See during the vegetation period. Sediment samples were collected in healthy and die-back reed stands and in the open water area from the 0-5 cm sediment layers. Organic matter content, C, N, S, P concentrations and ETS-activity were significantly higher in the sediment of the degraded reed stand. Higher electrical conductivity and SO42- concentration were found in the second part of the vegetation period, when the water level was lower. The seasonal variation in PO43- and NO3- concentrations of the surface water showed an antagonistic pattern. Higher PO43-and NH4+ concentrations were measured in the sediment interstitial water in summer, when the temperature and the decrease in SO42- concentration, which indicate the SO42- reduction processes, were greater. The higher ETS-activity values in September were probably due to the decaying mass of macrophytes.http://opuscula.elte.hu/PDF/Tomus35/Agoston_final.pdfLake Fertőion concentrationsorganic matter contentmacrophytes
spellingShingle ÁGOSTON-SZABÓ, E.
DINKA, M.
Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis
Lake Fertő
ion concentrations
organic matter content
macrophytes
title Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
title_full Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
title_fullStr Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
title_full_unstemmed Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
title_short Changes in sediment and sediment interstitial water characteristics in Lake Fertő/Neusiedler See
title_sort changes in sediment and sediment interstitial water characteristics in lake ferto neusiedler see
topic Lake Fertő
ion concentrations
organic matter content
macrophytes
url http://opuscula.elte.hu/PDF/Tomus35/Agoston_final.pdf
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