NDLI: The effect of benthic algae on phosphorus exchange between sediment and overlying water in shallow lakes: a microcosm study using 32P as a tracer

Content Provider	Springer Nature Link
Author	Zhang, Xiufeng Liu, Zhengwen Gulati, Ramesh D. Jeppesen, Erik
Copyright Year	2012
Abstract	Sediments are of key importance in determining the nutrient levels of water in shallow lakes as they can act as either source or sink for phosphorus (P) depending on environmental conditions, sediment characteristics, and external nutrient loading. We examined the role of benthic algae in the P cycling between sediment and overlying water in experiments using 32P as a tracer. Sediment and water samples were collected from Huizhou West Lake, a shallow, eutrophic waterbody located in Huizhou City, South China. Laboratory cultured benthic algae were transferred to cover the sediment core in tubes. When 32P was added to the water in experimental tubes containing sediment cores with and without benthic algae, 32P activity after 48 h was significantly lower in the tubes with algae, indicating that benthic algae removed P from the overlying water. When the tracer was injected into the sediment, 32P activity in the water overlying sediment with benthic algae was substantially lower than in tubes with naked sediment, suggesting that benthic algae reduce the release of sediment P. Oxygen levels were significantly higher in the upper 3 mm of the sediments covered by benthic algae; thus, we hypothesized that oxygen produced by the algae helps inhibit the release of P from the sediment. Our study demonstrates that benthic algae are capable of reducing P levels in water overlying the sediment, suggesting that loss of benthic algae during eutrophication triggered by impoverished light conditions may accelerate the shift in shallow lakes from a clear water to a turbid state.
Starting Page	109
Ending Page	116
Page Count	8
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	710
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-05-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	P uptake Sediment oxidation Eutrophication Macrophyte Regime shift Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Biomanipulation-induced reduction of sediment phosphorus release in a tropical shallow lake

Persistent internal phosphorus loading during summer in shallow eutrophic lakes

Linking nutrient enrichment and streamflow to macrophytes in agricultural streams

Spatial variation of phosphorus fractions in bottom sediments and the potential contributions to eutrophication in shallow lakes

Effects of common carp (Cyprinus carpio) on sediment mixing depth and mobile phosphorus mass in the active sediment layer of a shallow lake

Phosphorus dynamics in shallow eutrophic lakes: an example from Zeekoevlei, South Africa

Size-dependent feeding of omnivorous Nile tilapia in a macrophyte-dominated lake: implications for lake management

Physical, chemical, and management-related drivers of submerged macrophyte occurrence in Mediterranean farm ponds

Remote sensing of phytoplankton-macrophyte coexistence in shallow hypereutrophic fluvial lakes

The effect of benthic algae on phosphorus exchange between sediment and overlying water in shallow lakes: a microcosm study using 32P as a tracer

Similar Documents

Biomanipulation-induced reduction of sediment phosphorus release in a tropical shallow lake

Persistent internal phosphorus loading during summer in shallow eutrophic lakes

Linking nutrient enrichment and streamflow to macrophytes in agricultural streams

Spatial variation of phosphorus fractions in bottom sediments and the potential contributions to eutrophication in shallow lakes

Effects of common carp (Cyprinus carpio) on sediment mixing depth and mobile phosphorus mass in the active sediment layer of a shallow lake

Phosphorus dynamics in shallow eutrophic lakes: an example from Zeekoevlei, South Africa

Size-dependent feeding of omnivorous Nile tilapia in a macrophyte-dominated lake: implications for lake management

Physical, chemical, and management-related drivers of submerged macrophyte occurrence in Mediterranean farm ponds

Remote sensing of phytoplankton-macrophyte coexistence in shallow hypereutrophic fluvial lakes

The effect of benthic algae on phosphorus exchange between sediment and overlying water in shallow lakes: a microcosm study using 32P as a tracer