microfauna

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Related to microfauna: mesofauna, macrofauna

microfauna

[′mī·krə‚fȯn·ə]

(ecology)

Microscopic animals such as protozoa and nematodes.

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References in periodicals archive ?

Estudio preliminar de la microfauna del suelo en areas de varillales y chamizales de la Amazonia peruana.

Efecto de plantaciones de pino en la artropofauna del suelo de un bosque Altoandino

Scarce silicic sediments were observed as interpillow matrix, but not provided microfauna.

The southern Central America puzzle: cronology and structure: a review

Por outro lado, a microfauna do Nivel K da gruta do Caldeirao, com Allocricetus bursae, demonstra a progressao ate ao ocidente peninsular das condiqoes estepicas cerca de 35 Ka calBR Tais condicoes prevaleciam aquando do surgimento na regiao, talvez ca.

The mousterian complex in Portugal

However, microbial-feeding nematodes and other microfauna had managed to contaminate the control systems, developing to high densities (771 x [10.sup.3] + 343 X [10.sup.3] and 750 x [10.sup.3] [+ or -] 485 X [10.sup.3] nematodes/[m.sup.2], mean [+ or -] SD) in the systems with pine and birch seedlings, respectively, by the end of the experiment.

Growth of birch and pine seedlings in relation to grazing by soil fauna on ectomycorrhizal fungi

The first core was analysed for mesofauna (modified Bedese-Tullgren funnel), the second for microfauna (modified tray method), the third for soil chemistry (Olsen P, pH, [sup.15]N; see below) and the fourth soil core was collected in a 50-mm-diameter PVC pipe and assessed for soil structure (see below).

Influence of soil faunal communities on nitrogen dynamics in legume-based mesocosms

Other reptilian and therian groups were also well represented, in particular those that made up the microfauna. Several groups that have traditionally been somewhat disregarded were examined in the Symposium, and have been included in this Special Issue.

Mesozoic Terrestrial Ecosystems and Biota

The food and feeding relationships of common meso and microfauna in the Malta Oya, a small mountainous stream at peradeniya, Ceylon.

Dieta de la carpa Notropis moralesi (Pisces: Cyprinidae) sen el rio Amacuzac, Morelos, Mexico

Presenta horizontes locales con moluscos y microfauna.

Peces fosiles de la localidad Lomas de Siquirres, cauce del Rio reventazon, formacion Rio Banano, Mioceno Superior, provincia de Limon, Costa Rica

radiata causes changes in the chemical soil properties and soil microfauna and macrofauna (Yeates et al.

Soil microbial biomass, metabolic quotient, and carbon and nitrogen mineralisation in 25-year-old Pinus radiata agroforestry regimes

Investigation of microfauna of rose bedeguar galld.

The wasps associated with seeds and galls of Rosa canina in Iran

Consequently, it can be concluded that low abundance and species number values observed in the microfauna do not seem to be due to the persistent pollution in the estuary.

Caracterizacion actual y evolucion ambiental reciente de la Ria de Muskiz: impacto historico de la mayor refineria de petroleo de Espana

En la actualidad, para facilitar el estudio del zoobentos en general, se acepta a nivel internacional las categorias propuestas segun el diametro esferico de sus individuos que les permite explotar como grupos diferentes los recursos y nichos disponibles en ambientes bentonicos, estas categorias son: Microfauna (<45 [micron]m), Meiofauna (45-500 [micron]m), Macrofauna (>500 [micron]m-4.0 mm) y Megafauna (>4.0 mm) (Duplisea y Hargrave 1996).

Distribucion espacio-temporal de la meiofauna bentica en cuatro playas del Litoral Norte de la Habana