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题名: Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu)
作者: Ji, Lei1, 2; Song, Chunlei2; Cao, Xiuyun2; Zhou, Yiyong2; Deng, Daogui1
通讯作者: Zhou, YY (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: eutrophication ; nutrient flux ; Lake Taihu ; nutrient excretion ; macrozoobenthos
刊名: JOURNAL OF FRESHWATER ECOLOGY
发表日期: 2015-01-02
DOI: 10.1080/02705060.2014.997816
卷: 30, 期:1, 页:169-180
收录类别: SCI
文章类型: Article
部门归属: [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
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Limnology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
英文摘要: Nutrient (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.
关键词[WOS]: BENTHIC INVERTEBRATES ; PHYTOPLANKTON GROWTH ; NITROGEN-EXCRETION ; AMMONIUM EXCRETION ; PHOSPHORUS RELEASE ; EUTROPHIC LAKES ; SEDIMENT ; COMMUNITY ; RATES ; FLUX
语种: 英语
WOS记录号: WOS:000349681400004
ISSN号: 0270-5060
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23952
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.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
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文件名: Spatial variation in nutrient excretion by macrozoobenthos in a Chinese large shallow lake (Lake Taihu).pdf
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