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Related to microfauna: mesofauna, macrofauna


n. pl. microfauna or mi·cro·fau·nas
Microscopic or very small organisms, such as protozoans, that live in soil or benthic sediments.

mi′cro·fau′nal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Environmental Science) very small, esp microscopic, animals
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmaɪ kroʊˈfɔ nə)

n., pl. -nas, -nae (-nē). (used with a sing. or pl. v.)
the microscopic animals and protozoa of a habitat or microhabitat.
mi`cro•fau′nal, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Esto realza aun mas la importancia de la fauna del suelo como procesador de la materia organica; el horizonte organico de este tipo de suelos normalmente conserva una densidad baja de macrofauna como lombrices de tierra, diplopodos e isopodos, mientras que la mesofauna y microfauna constituyen los organismos mas abundantes (Salmon et al.
(in press) include microflora (palynomorphs) and microfauna (foraminifera), marine megafossils, and U-Pb geochronology from a thin tuff bed associated with coal.
It involves the biogeochemical cycling of nutrients as well as the production of phytoplankton, zooplankton, microfauna and macrophytes living in the aquatic system.
On the other hand, the microfauna from Level K in Gruta do Caldeirao, including Allocricetus bursae, shows how steppic conditions migrated to the western part of the Iberian Peninsula and prevailed when the first industries of the Upper Paleolithic occurred, an evolved phase of the Aurignacian, about probably 35-34 Ka calBP.
Hassink J, Neutel AM, de Ruiter PC (1994) C and N mineralisation in sandy and loamy grassland soils: the role of microbes and microfauna. Soil Biology & Biochemistry 26, 1565-1571.
Body size and metabolic rate in the animal kingdom with special regard to the marine microfauna. C.
Two months after defaunation the humus was checked for nematodes and other microfauna, enchytraeids, and microarthropods using appropriate extraction methods.
In the rhizosphere, very important and intensive interactions are taking place between the plant, soil, microorganisms and soil microfauna. In fact, biochemical interactions and exchanges of signal molecules between plants and soil microorganisms have been described and reviewed.
At Day 0, mesofauna and microfauna were added to the appropriate treatments (M+I and M+W+I).
Segundo Esteves (1998), o aumento nas concentracoes de nitrogenio se deve ao alto teor de nitrogenio das bacterias, fungos, diatomaceas perifiticas e da microfauna que coloniza os detritos, embora se considere que, com o processo de secagem, parte dos organismos que colonizam os detritos foi eliminada.