Effects of overlying water aeration on phosphorus fractions and alkaline phosphatase activity in surface sediment

被引：55

作者：

Chen, Jianjun ^{[1
,2
]}

Lu, Shaoyong ^{[1
]}

Zhao, Yikun ^{[3
]}

Wang, Wei ^{[1
,3
]}

Huang, Minsheng ^{[2
]}

机构：

[1] Chinese Res Inst Environm Sci, Res Ctr Lake Environm, State Environm Protect Key Lab Lake Pollut Contro, Beijing 100012, Peoples R China

[2] E China Normal Univ, Sch Resource & Environm Sci, Shanghai 200062, Peoples R China

[3] Univ Sci & Technol Beijing, Civil & Environm Engn Sch, Beijing 100038, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2011年 / 23卷 / 02期

关键词：

aeration; disturbance; sediment; phosphorus fractions; alkaline phosphatase; RELEASE RATES; LAKE; RIVER; BACTERIA; OXYGEN; LIGHT;

D O I：

10.1016/S1001-0742(10)60394-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Microbial activity may influence phosphorus (P) deposit and release at the water sediment interface. The properties of DO (dissolved oxygen), pH, P fractions (TP, Ca-P, Fe-P, OP, IP), and APA (alkaline phosphatase activity) at the water sediment interface were measured to investigate microbial activity variations in surface sediment under conditions of two-month intermittent aeration in overlying water. Results showed that DO and TP of overlying water increased rapidly in the first week and then decreased gradually after 15 day of intermittent aeration. Microorganism metabolism in surface sediment increased pH and decreased DO and TP in the overlying water. After two-month intermittent aeration, APA and OP from surface sediment (0-2 cm) were both significantly higher than those from bottom sediment (6-8 cm) (p < 0.05), and surface sediment Fe-P was transferred to OP during the course of microorganism reproduction on the surface sediment. These results suggest that microbial activity and microorganism biomass from the surface sediment were higher than those from bottom sediment after two-month intermittent aeration in the overlying water.

引用

页码：206 / 211

页数：6

共 29 条

[1]

BOSTROM B, 1982, HYDROBIOLOGIA, V91-2, P415, DOI 10.1007/PL00020032

[2]

CHROST R J, 1984, Archiv fuer Hydrobiologie Supplement, V70, P1

[3]

Chrost R.J., 1990, AQUAT MICROB ECOL, P47, DOI [DOI 10.1007/978-1-4612-3382-43, 10.1007/978-1-4612-3382-43]

[4] ESTIMATING ALGAL AVAILABLE PHOSPHORUS IN SUSPENDED SEDIMENTS BY CHEMICAL-EXTRACTION [J].

DORICH, RA ;

NELSON, DW ;

SOMMERS, LE .

JOURNAL OF ENVIRONMENTAL QUALITY, 1985, 14 (03) :400-405

[5] Phosphate adsorption and release from sediments of brackish lagoons:: pH, O2 and loading influence [J].

Gomez, E ;

Durillon, C ;

Rofes, G ;

Picot, B .

WATER RESEARCH, 1999, 33 (10) :2437-2447

[6] Arylsulfatase and alkaline phosphatase (APase) activity in sediments of Lake Kinneret, Israel [J].

Hadas, O ;

Pinkas, R .

WATER AIR AND SOIL POLLUTION, 1997, 99 (1-4) :671-679

[7] Depth distribution of active bacteria and bacterial activity in lake sediment [J].

Haglund, AL ;

Lantz, P ;

Törnblom, E ;

Tranvik, L .

FEMS MICROBIOLOGY ECOLOGY, 2003, 46 (01) :31-38

[8] Effects of oxygen on the release and distribution of phosphorus in the sediments under the light condition [J].

Jiang, X ;

Jin, XC ;

Yao, Y ;

Li, LH ;

Wu, FC .

ENVIRONMENTAL POLLUTION, 2006, 141 (03) :482-487

[9]

Kennedy L.G., 1992, REM J, V3, P83, DOI DOI 10.1002/REM.3440030107

[10] Sediment characteristics, phosphorus types and phosphorus release rates between river and lake sediments [J].

Kim, LH ;

Choi, E ;

Stenstrom, MK .

CHEMOSPHERE, 2003, 50 (01) :53-61

← 1 2 3 →