Soil microbial biomass under the canopy of coastal sand dune shrubs

S. Sarig; A. Fliessbach; Y. Steinberger

doi:10.1080/089030699263500

Soil microbial biomass under the canopy of coastal sand dune shrubs

S. Sarig, A. Fliessbach, Y. Steinberger

The Mina and Everard Goodman Faculty of Life Sciences

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Coastal sand dunes are affected by seasonal fluctuations in salinity due to seawater spray and precipitation. Salinity was found to be very high in summer soil samples and was about 15-20 times lower in the preceding rainy winter. High microbial biomass values of 234.6 and 173.1 mugC g-1 dry soil were found under Artemisia monosperma and Retama raetam, respectively, even at elevated salinity. The metabolic quotient for CO2, which may serve as an indicator for changes in microbial diversity or environmental stress, was unexpectedly high (58.5 and 48.8 mug mg-1 d-1 under A. monosperma and R. raetam, respectively) in low-saline samples from the winter when compared to the summer (a maximal value of 20 mug mg-1 d-1), probably indicating a shift in community structure. It may be concluded that even under hostile conditions in poor sandy soils and with high salinity the presence of perennial shrubs creates favorable niches for microorganisms and affects their activity.

Original language	English
Pages (from-to)	75-80
Number of pages	6
Journal	Arid Soil Research and Rehabilitation
Volume	13
Issue number	1
DOIs	https://doi.org/10.1080/089030699263500
State	Published - 1 Jan 1999

Bibliographical note

Funding Information:
Rcieevd 7 Mearch 1997 ; accpteed 3 July 1998. This resarceh was supported by the RseacehrCommittee of Bar-Ilan Univrsityeandbya gantrof theMinistryofScineceadnArs,tIrasel,andbyGSF-ForschungsznterumfuÈ rUmweltundGesundheit GmbH, Neuherberg, Germany (DISUM-029). Special thanks to Ginetta Barness for her skiull ltecfhnical assistance. Address crrospeondence to Prof. Y. Steibnerger, Department ofLiefScnciese,B-Ilanar Ramat Gan 52900, Isral. E-email : [email protected]

Funding

Rcieevd 7 Mearch 1997 ; accpteed 3 July 1998. This resarceh was supported by the RseacehrCommittee of Bar-Ilan Univrsityeandbya gantrof theMinistryofScineceadnArs,tIrasel,andbyGSF-ForschungsznterumfuÈ rUmweltundGesundheit GmbH, Neuherberg, Germany (DISUM-029). Special thanks to Ginetta Barness for her skiull ltecfhnical assistance. Address crrospeondence to Prof. Y. Steibnerger, Department ofLiefScnciese,B-Ilanar Ramat Gan 52900, Isral. E-email : [email protected]

Funders	Funder number
RseacehrCommittee of Bar-Ilan Univrsityeandbya	DISUM-029

Keywords

Artemisia Monosperma
Microbial Biomass
Qco2
Retama Raetam
Salinity

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10.1080/089030699263500

Cite this

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title = "Soil microbial biomass under the canopy of coastal sand dune shrubs",

abstract = "Coastal sand dunes are affected by seasonal fluctuations in salinity due to seawater spray and precipitation. Salinity was found to be very high in summer soil samples and was about 15-20 times lower in the preceding rainy winter. High microbial biomass values of 234.6 and 173.1 mugC g-1 dry soil were found under Artemisia monosperma and Retama raetam, respectively, even at elevated salinity. The metabolic quotient for CO2, which may serve as an indicator for changes in microbial diversity or environmental stress, was unexpectedly high (58.5 and 48.8 mug mg-1 d-1 under A. monosperma and R. raetam, respectively) in low-saline samples from the winter when compared to the summer (a maximal value of 20 mug mg-1 d-1), probably indicating a shift in community structure. It may be concluded that even under hostile conditions in poor sandy soils and with high salinity the presence of perennial shrubs creates favorable niches for microorganisms and affects their activity.",

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author = "S. Sarig and A. Fliessbach and Y. Steinberger",

note = "Funding Information: Rcieevd 7 Mearch 1997 ; accpteed 3 July 1998. This resarceh was supported by the RseacehrCommittee of Bar-Ilan Univrsityeandbya gantrof theMinistryofScineceadnArs,tIrasel,andbyGSF-Forschungsznterumfu{\`E} rUmweltundGesundheit GmbH, Neuherberg, Germany (DISUM-029). Special thanks to Ginetta Barness for her skiull ltecfhnical assistance. Address crrospeondence to Prof. Y. Steibnerger, Department ofLiefScnciese,B-Ilanar Ramat Gan 52900, Isral. E-email : [email protected]",

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N2 - Coastal sand dunes are affected by seasonal fluctuations in salinity due to seawater spray and precipitation. Salinity was found to be very high in summer soil samples and was about 15-20 times lower in the preceding rainy winter. High microbial biomass values of 234.6 and 173.1 mugC g-1 dry soil were found under Artemisia monosperma and Retama raetam, respectively, even at elevated salinity. The metabolic quotient for CO2, which may serve as an indicator for changes in microbial diversity or environmental stress, was unexpectedly high (58.5 and 48.8 mug mg-1 d-1 under A. monosperma and R. raetam, respectively) in low-saline samples from the winter when compared to the summer (a maximal value of 20 mug mg-1 d-1), probably indicating a shift in community structure. It may be concluded that even under hostile conditions in poor sandy soils and with high salinity the presence of perennial shrubs creates favorable niches for microorganisms and affects their activity.

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Soil microbial biomass under the canopy of coastal sand dune shrubs

Abstract

Bibliographical note

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Keywords

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