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Publication Type J
Authors SARIG, S; STEINBERGER, Y
Author Full Name SARIG, S; STEINBERGER, Y
Title MICROBIAL BIOMASS RESPONSE TO SEASONAL FLUCTUATION IN SOIL-SALINITY UNDER THE CANOPY OF DESERT HALOPHYTES
Source SOIL BIOLOGY & BIOCHEMISTRY
Language English
Document Type Article
Keywords Plus RESPIRATION; MOISTURE; REGIME; WATER
Abstract The relationships between seasonal changes in soil salinity and the microbial biomass and activity (represented by the quotient For basal respiration-qCO(2)) were monitored year-round under the canopy of two halophytes; Zygophyllum dumosum and Reaumuria negevensis, typical of the hot, dry Negev Desert. Fluctuations in soil salinity were assumed to be the result of different ecophysiological strategics employed by the halophytes in order to survive in saline environments. The amount of the microbial biomass was not directly affected by the degree of soil salinity, especially in the R. negevensis microhabitat where the highest biomass (245 mu g g(-1)) was observed in high salty soil (12.8 dS m(-1)) during the summer. A negative relationship was found between the microbial biomass and qCO(2) values, indicating the possibility of channeling organic substrates to metabolic activity aimed at overcoming conditions of temporary stress.
Reprint Address SARIG, S (reprint author), BAR ILAN UNIV, DEPT LIFE SCI, IL-52900 RAMAT GAN, ISRAEL.
Cited References ANDERSON TH, 1990, SOIL BIOL BIOCHEM, V22, P251, DOI 10.1016/0038-0717(90)90094-G; Evenari M., 1982, NEGEV CHALLENGE DESE; EVENARI M, 1981, ARID ZONE ECOLOGY EN, P1; FLOWERS TJ, 1977, ANNU REV PLANT PHYS, V28, P89, DOI 10.1146/annurev.pp.28.060177.000513; INSAM H, 1990, SOIL BIOL BIOCHEM, V22, P525, DOI 10.1016/0038-0717(90)90189-7; Kieft T. L., 1991, Semiarid lands and deserts: soil resource and reclamation., P209; KIEFT TL, 1987, SOIL BIOL BIOCHEM, V19, P119, DOI 10.1016/0038-0717(87)90070-8; Mass E. V., 1986, APPLIED AGR RES, V1, P12; ORCHARD VA, 1983, SOIL BIOL BIOCHEM, V15, P447, DOI 10.1016/0038-0717(83)90010-X; QUESADA E, 1982, J APPL BACTERIOL, V53, P155, DOI 10.1111/j.1365-2672.1982.tb04671.x; Reimold R. J., 1974, ECOLOGY HALOPHYTES; SHILO M, 1979, LIFE SCI RES REPORT, V13; SKUJINS J, 1984, ADV MICROB ECOL, V7, P49; SPARLING GP, 1987, NEW ZEAL J AGR RES, V30, P79; SPARLING GP, 1990, PEDOBIOLOGIA, V34, P103; STEINBERGER Y, 1991, ISRAEL J BOT, V40, P33; SZABOLCS I, 1991, CASAFA REP, V4, P105; TADMOR] N. H., 1962, BULL RES COUNC ISRAEL SECT D BOT, V11, P148; VOLLMER A T, 1977, Great Basin Naturalist, V37, P81; VORONEY RP, 1984, SOIL BIOL BIOCHEM, V16, P9, DOI 10.1016/0038-0717(84)90117-2; WEST AW, 1989, AUST J SOIL RES, V27, P747, DOI 10.1071/SR9890747
Cited Reference Count 21
Times Cited 70
Total Times Cited Count (WoS, BCI, and CSCD) 72
Publisher PERGAMON-ELSEVIER SCIENCE LTD
Publisher City OXFORD
Publisher Address THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
ISSN 0038-0717
29-Character Source Abbreviation SOIL BIOL BIOCHEM
ISO Source Abbreviation Soil Biol. Biochem.
Publication Date OCT
Year Published 1994
Volume 26
Issue 10
Beginning Page 1405
Ending Page 1408
Digital Object Identifier (DOI) 10.1016/0038-0717(94)90224-0
Page Count 4
Web of Science Category Soil Science
Subject Category Agriculture
Document Delivery Number PJ406
Unique Article Identifier WOS:A1994PJ40600016
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