NDLI: Biologica invasion in soil: Complex network analysis

Content Provider	IEEE Xplore Digital Library
Author	Perez-Reche, F. Taraskin, S.N. Neri, F.M. Gilligan, C.A. da F. Costa, L. Viana, M.P. Otten, W. Grinev, D.
Copyright Year	2009
Description	Author affiliation: St. Catharine's College, University of Cambridge, UK (Taraskin, S.N.) \|\| SIMBIOS, University of Abertay Dundee, UK (Otten, W.; Grinev, D.) \|\| Department of Chemistry, University of Cambridge, UK (Perez-Reche, F.) \|\| Department of Plant Sciences, University of Cambridge, UK (Neri, F.M.; Gilligan, C.A.) \|\| Instituto de Fisica de Sao Carlos, Universidade de Sao Paulo, Brazil (da F. Costa, L.; Viana, M.P.)
Abstract	A network model for soil pore space is developed and applied to the analysis of biological invasion of microorganisms in soil. The model was parameterized for two soil samples with different compaction (loosely and densely packed) from images derived from an X-ray micro-tomography system. The data were then processed using 3-D imaging techniques, to construct the networks of pore structures with in the soil samples. The network structure is characterized by the measurement of features that are relevant for biological colonization through soil. These include the distribution of channel lengths, node coordination numbers, location and size of channel bottlenecks, and the topology of the largest connected cluster. The pore-space networks are then used to investigate the spread of a microorganism through soil, in which the transmissibility between pores is defined as a function of the channel characteristics. The same spreading process is investigated in artificially constructed homogeneous networks with the same average properties as the original ones. The comparison shows that the extent of invasion is lower in the original networks than in the homogeneous ones: this proves that inherent heterogeneity and correlations contribute to the resilience of the system to biological invasion.
Starting Page	1
Ending Page	8
File Size	1507639
Page Count	8
File Format	PDF
ISBN	9781424432974
DOI	10.1109/ICDSP.2009.5201098
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-05
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Soil Complex networks Microorganisms Image analysis Biological system modeling X-ray imaging Network topology Computed tomography Intelligent networks Chemistry percolation Soil image analysis complex network biological invasion
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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