Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms: A field comparison

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Standard

Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms : A field comparison. / Kroer, Niels; Coffin, Richard B.

In: Microbial Ecology, Vol. 23, No. 2, 01.06.1992, p. 143-157.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Kroer, N & Coffin, RB 1992, 'Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms: A field comparison', Microbial Ecology, vol. 23, no. 2, pp. 143-157. https://doi.org/10.1007/BF00172636

APA

Kroer, N., & Coffin, R. B. (1992). Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms: A field comparison. Microbial Ecology, 23(2), 143-157. https://doi.org/10.1007/BF00172636

Vancouver

Kroer N, Coffin RB. Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms: A field comparison. Microbial Ecology. 1992 Jun 1;23(2):143-157. https://doi.org/10.1007/BF00172636

Author

Kroer, Niels ; Coffin, Richard B. / Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms : A field comparison. In: Microbial Ecology. 1992 ; Vol. 23, No. 2. pp. 143-157.

Bibtex

@article{6c1cd63785a54206959289952dd0bb9c,
title = "Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms: A field comparison",
abstract = "Microcosms may potentially be used as tools for evaluating the fate and effects of genetically engineered microorganisms released into the environment. Extrapolation of data to the field, however, requires that the correspondence between microcosm and field is known. Microbial trophic interactions within the microbial loop were compared quantitatively and qualitatively between field and microcosms containing estuarine water with and without intact sediment cores. The comparison showed that whereas proportions between trophic levels in microcosms were qualitatively similar to those in the field, rates of microbial processes were from 25 to 40% lower in microcosms. Nitrogen cycling was disrupted in microcosms incubated in the dark to eliminate primary production. Examination of the microbial parameters further suggests that sediment in microcosms may be an important factor regulating the bacterial trophic level. These results demonstrate that analysis of microbial trophic interactions is a sensitive method for the field comparison of aquatic microcosms and a potentially useful tool in the risk assessment of genetically engineered microorganisms.",
author = "Niels Kroer and Coffin, {Richard B.}",
year = "1992",
month = jun,
day = "1",
doi = "10.1007/BF00172636",
language = "English",
volume = "23",
pages = "143--157",
journal = "Microbial Ecology",
issn = "0095-3628",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Microbial trophic interactions in aquatic microcosms designed for testing genetically engineered microorganisms

T2 - A field comparison

AU - Kroer, Niels

AU - Coffin, Richard B.

PY - 1992/6/1

Y1 - 1992/6/1

N2 - Microcosms may potentially be used as tools for evaluating the fate and effects of genetically engineered microorganisms released into the environment. Extrapolation of data to the field, however, requires that the correspondence between microcosm and field is known. Microbial trophic interactions within the microbial loop were compared quantitatively and qualitatively between field and microcosms containing estuarine water with and without intact sediment cores. The comparison showed that whereas proportions between trophic levels in microcosms were qualitatively similar to those in the field, rates of microbial processes were from 25 to 40% lower in microcosms. Nitrogen cycling was disrupted in microcosms incubated in the dark to eliminate primary production. Examination of the microbial parameters further suggests that sediment in microcosms may be an important factor regulating the bacterial trophic level. These results demonstrate that analysis of microbial trophic interactions is a sensitive method for the field comparison of aquatic microcosms and a potentially useful tool in the risk assessment of genetically engineered microorganisms.

AB - Microcosms may potentially be used as tools for evaluating the fate and effects of genetically engineered microorganisms released into the environment. Extrapolation of data to the field, however, requires that the correspondence between microcosm and field is known. Microbial trophic interactions within the microbial loop were compared quantitatively and qualitatively between field and microcosms containing estuarine water with and without intact sediment cores. The comparison showed that whereas proportions between trophic levels in microcosms were qualitatively similar to those in the field, rates of microbial processes were from 25 to 40% lower in microcosms. Nitrogen cycling was disrupted in microcosms incubated in the dark to eliminate primary production. Examination of the microbial parameters further suggests that sediment in microcosms may be an important factor regulating the bacterial trophic level. These results demonstrate that analysis of microbial trophic interactions is a sensitive method for the field comparison of aquatic microcosms and a potentially useful tool in the risk assessment of genetically engineered microorganisms.

UR - http://www.scopus.com/inward/record.url?scp=51249170586&partnerID=8YFLogxK

U2 - 10.1007/BF00172636

DO - 10.1007/BF00172636

M3 - Journal article

AN - SCOPUS:51249170586

VL - 23

SP - 143

EP - 157

JO - Microbial Ecology

JF - Microbial Ecology

SN - 0095-3628

IS - 2

ER -

ID: 214693606