镍对藻周群落生产力的影响

IF 2 Q3 Environmental Science Water Quality Research Journal of Canada Pub Date : 2015-11-11 DOI:10.2166/WQRJC.2015.029

H. Ghassemi

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引用次数: 0

摘要

为了评估镍对周围植物群落生物量的长期(30 d)影响，采用不同镍浓度(2.5、5和7.5 mg/l)的室内人工溪流。测定其理化指标(pH、NO3-N、PO4-P、溶解氧、总悬浮固体、电导率、TDS、BOD、COD)及生物特性。通过测定干质量、无灰干质量(AFDM)、叶绿素- a和镍吸收速率来评价镍对周围植物群落的影响。在含镍人工水体中，镍对叶绿素- a、AFDM和干质量的影响显著(P < 0.05)降低。这些观察结果表明，周围植物群落可以作为镍污染的一个指标。

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Nickel effects on productivity of algal periphyton communities

In order to evaluate the long-term (30 day) influence of nickel on biomass of periphyton communities, indoor artificial streams were used with differing nickel concentration (2.5, 5, and 7.5 mg/l). Physical and chemical factors (pH, NO3-N, PO4-P, dissolved oxygen, total suspended solids, conductivity, TDS, BOD, and COD) were measured along with biological properties of the periphyton. The effects of nickel on periphyton communities were assessed by measuring dry mass, ash-free dry mass (AFDM), chlorophyll- a , and rate of nickel absorption. In artificial streams with nickel, there was a significant ( P < 0.05) reduction of chlorophyll- a , AFDM, and dry mass under the influence of nickel. These observations suggest that the periphyton community could serve as an indicator of nickel pollution.

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来源期刊

Water Quality Research Journal of Canada WATER RESOURCES-

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Water Quality Research Journal publishes peer-reviewed, scholarly articles on the following general subject areas: Impact of current and emerging contaminants on aquatic ecosystems Aquatic ecology (ecohydrology and ecohydraulics, invasive species, biodiversity, and aquatic species at risk) Conservation and protection of aquatic environments Responsible resource development and water quality (mining, forestry, hydropower, oil and gas) Drinking water, wastewater and stormwater treatment technologies and strategies Impacts and solutions of diffuse pollution (urban and agricultural run-off) on water quality Industrial water quality Used water: Reuse and resource recovery Groundwater quality (management, remediation, fracking, legacy contaminants) Assessment of surface and subsurface water quality Regulations, economics, strategies and policies related to water quality Social science issues in relation to water quality Water quality in remote areas Water quality in cold climates The Water Quality Research Journal is a quarterly publication. It is a forum for original research dealing with the aquatic environment, and should report new and significant findings that advance the understanding of the field. Critical review articles are especially encouraged.