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Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu)
Ji, Lei1,2; Song, Chunlei2; Cao, Xiuyun2; Zhou, Yiyong2; Deng, Daogui1; Zhou, YY (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
2015-01-02
Source PublicationJOURNAL OF FRESHWATER ECOLOGY
ISSN0270-5060
Volume30Issue:1Pages:169-180
AbstractNutrient (N and P) fluxes via excretion by macrozoobenthos were estimated in a Chinese large shallow lake (Lake Taihu). The spatial variation in nutrient fluxes and the differences of specific excretion rate among six dominant species were quantified. The distribution of dominant species varied significantly among different trophic lake areas. The maximum biomass of macrozoobenthos was calculated in phytoplankton-dominated lake areas, while the minimum occurred in macrophyte-dominated lake areas. Mass-specific excretion rate among six dominant species was significantly different. Our results indicated that nutrient flux through benthic invertebrate varied spatially, which was affected by dominant benthic species composition and biomass. Limnodrilus hoffmeisteri, Corbicula fluminea and Bellamya aeruginosa made the greatest contribution to the total nutrient fluxes in Lake Taihu. N and P fluxes excreted by macrozoobenthos were greatest in phytoplankton-dominated lake areas (1037.7 mu mol N m(-2) d(-1) and 111.74 mu mol P m(-2) d(-1)), which were almost 20times greater than in the other lake areas. Since N and P excreted by macrozoobenthos could be rapidly absorbed by algae, macrozoobenthos might be a significant nutrient source contributing to frequent algal blooms in Lake Taihu.
SubtypeArticle
KeywordEutrophication Nutrient Flux Lake Taihu Nutrient Excretion Macrozoobenthos
Department[Ji, Lei ; Deng, Daogui] Huaibei Normal Univ, Coll Life Sci, Key Lab Resource & Plant Biol Anhui Prov, Huaibei 235000, Peoples R China ; [Ji, Lei ; Song, Chunlei ; Cao, Xiuyun ; Zhou, Yiyong] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
DOI10.1080/02705060.2014.997816
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Limnology
WOS KeywordBENTHIC INVERTEBRATES ; PHYTOPLANKTON GROWTH ; NITROGEN-EXCRETION ; AMMONIUM EXCRETION ; PHOSPHORUS RELEASE ; EUTROPHIC LAKES ; SEDIMENT ; COMMUNITY ; RATES ; FLUX
WOS IDWOS:000349681400004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/23952
Collection水环境工程研究中心
Corresponding AuthorZhou, YY (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
Affiliation1.Huaibei Normal Univ, Coll Life Sci, Key Lab Resource & Plant Biol Anhui Prov, Huaibei 235000, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Ji, Lei,Song, Chunlei,Cao, Xiuyun,et al. Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu)[J]. JOURNAL OF FRESHWATER ECOLOGY,2015,30(1):169-180.
APA Ji, Lei,Song, Chunlei,Cao, Xiuyun,Zhou, Yiyong,Deng, Daogui,&Zhou, YY .(2015).Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu).JOURNAL OF FRESHWATER ECOLOGY,30(1),169-180.
MLA Ji, Lei,et al."Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu)".JOURNAL OF FRESHWATER ECOLOGY 30.1(2015):169-180.
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