NDLI: Study of the influence of different forest species on the microbial activity in soils

Content Provider	Springer Nature Link
Author	Núñez Regueira, Lisardo Rodríguez Añón, J. A. Proupín Castiñeiras, J. Villanueva López, Maria Núñez Fernández, O.
Copyright Year	2006
Abstract	Microcalorimetry was used to study the seasonal evolution over one year of the microbial activity in a humic-eutrophic Cambisol soil as a function of its forest cover. The study was carried out on three soils with identical origin but covered with different forest species: pine, eucalyptus, and a typical Atlantic-humid riverside forest.Some other physical, chemical and biological properties and environmental parameters, mainly humidity and environmental temperature, were considered to analyze their influence on soil microbial activity.The study was performed using a microcalorimeter Thermal Analysis Monitor 2277 in which the experiments were carried out with 1 g soil samples treated with 1.25 mg glucose g$^{–1}$ soil. From the measured results it follows that pine forest soil is the least productive of the three, as it generates an average heat of 2.7 vs. 5.9 J g$^{–1}$ generated by the eucalyptus forest soil and 3.1 J g$^{–1}$ generated by the riverside forest soil. These results are dependent on the remaining physical, chemical and biological features analysed and because of this, pine forest soil, with a pH value 3.3 in spring, shows a small capacity to maintain a stable microbial population which is the lowest of the three (0.079·10$^{8}$ to 0.46·10$^{8}$ microorganisms g$^{–1}$ soil) while riverside soil microbial population is in the range from 7.9·10$^{8}$ to 17·10$^{8}$ microorganisms g$^{–1}$ soil.
Starting Page	7
Ending Page	13
Page Count	7
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	84
Issue Number	1
e-ISSN	15728943
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-04-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	forest cover microbial activity microcalorimetry rational and sustainable exploitation Inorganic Chemistry Physical Chemistry Polymer Sciences Measurement Science, Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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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
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