Distribution Characteristics of TOC, TN and TP in the Wetland Sediments of Longbao Lake in the San-Jiang Head Waters

• Autorzy: Lu S. , Si J. , Qi Y. , Wang Z. , Wu X. , Hou C.

Identyfikatory

DOI

10.1515/acgeo-2016-0093

• Języki publikacji: EN

Abstrakty

EN

The study deals with the distribution of nutrients in wetland sediments, which provide the basis for revealing the wetland eutrophication processes and mechanisms of internal pollution sources. The total organic carbon (TOC), total nitrogen (TN), and total phosphorus (TP) contents and distribution characteristics of sediment samples were examined. The results showed that the TOC concentration ranged from 3.81 to 15.6 g/kg, the TN concentration ranged from 0.21 to 1.18 g/kg with a mean concentration of 0.66 g/kg, and the TP concentration ranged from 0.16 to 0.35 g/kg with a mean of 0.23 g/kg. Statistical analysis showed close correlations between TOC and TN (R² = 0.96), and TN and TP (R² = 0.97), which indicated that the TN and TP in the sediments were from similar sources. The concentrations of TOC, TN, and TP in Longbao Lake wetland sediments were too low for eutrophication to occur. Our investigation indicated that Longbao Lake undergoes natural evolution rather than anthropogenic activities.

Słowa kluczowe

EN

Longbao Lake; sediments; organic carbon; nitrogen; phosphorus; high altitude wetlands

PL

Jezioro Longbao; osady; węgiel organiczny; azot; fosfor; wysokogórskie tereny podmokłe

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2016
• Tom: Vol. 64, no. 6
• Strony: 2471--2486
• Opis fizyczny: Bibliogr. 24 poz.

Twórcy

autor

Lu S.

• Eco-environmental Engineering College, Qinghai University, Xi’ning, Qinghai Province, China

autor

Si J.

• College of Agriculture and Animal Husbandry, Qinghai University, Xi’ning, Qinghai Province, China

autor

Qi Y.

• Eco-environmental Engineering College, Qinghai University, Xi’ning, Qinghai Province, China

autor

Wang Z.

• Eco-environmental Engineering College, Qinghai University, Xi’ning, Qinghai Province, China

autor

Wu X.

• Eco-environmental Engineering College, Qinghai University, Xi’ning, Qinghai Province, China

autor

Hou C.

• Eco-environmental Engineering College, Qinghai University, Xi’ning, Qinghai Province, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)