Phytoplankton and bacterioplankton dependencies on dissolved organic matter (DOM) and inorganic nutrient concentrations in lake enclosures

Erinn H. Radomske; P. Jefferson Curtis; Ellen L. Petticrew

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Phytoplankton and bacterioplankton dependencies on dissolved organic matter (DOM) and inorganic nutrient concentrations in lake enclosures

机译：Phytoplankton and bacterioplankton dependencies on dissolved organic matter (DOM) and inorganic nutrient concentrations in lake enclosures

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摘要

The microbial biomass and productivity response to the DOC concentration gradient in the reference enclosures was consistent with the autotrophy-allotro-phy continuum theory. Autotrophic stimulation on the allotrophic gradient was achieved with nutrient enrichment. However, GPP appeared limited by solar irradiance at high DOC concentrations and BP maintained a strong dependence on DOC concentration. Taken together this suggests that allotrophy dominates at DOC concentrations higher than investigated in this study, regardless of nutrient concentrations.

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来源
《International association of theoretical and applied limnoloy》 |2006年第3期|1301-1305|共5页
作者
Erinn H. Radomske; P. Jefferson Curtis; Ellen L. Petticrew;
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作者单位

Earth and Environmental Sciences, UBC Okanagan, 3333 University Way, Kelowna, BC, Canada V1V 1V7;

hylo.life.uiuc.edu;

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原文格式 PDF
正文语种英语
中图分类水文科学（水界物理学）;
关键词
autotrophic; allotrophic; DOM; phyto-plankton; bacterioplankton; inorganic nutrients; enclosures;

Phytoplankton and bacterioplankton dependencies on dissolved organic matter (DOM) and inorganic nutrient concentrations in lake enclosures

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