publication . Article . 2011

Protozoan pulses unveil their pivotal position within the soil food web

Felicity V. Crotty; Sina M. Adl; Rod P. Blackshaw; Philip J. Murray;
Open Access
  • Published: 12 Oct 2011
  • Publisher: Springer
  • Country: United Kingdom
Abstract
Protozoa are one of the most abundant groups of bacterivores within the soil and are responsible for mineralisation of bacterial biomass, having a large impact on C and N cycling. Little is known of their contribution to soil nutrient transfers or the identity of their consumers. Here, for the first time indigenous flagellates and ciliates, enriched to 83 atom% for 13C and 10 atom% for 15N, were introduced to soil cores from two different land managements, grassland and woodland with the same soil type, to trace the flow of protozoan C and N through the soil food web. Nematodes, Collembola, earthworms and insect larvae obtained the greatest amounts of C and N of...
Subjects
Medical Subject Headings: complex mixturesparasitic diseases
free text keywords: Ecology, Soil Science, Ecology, Evolution, Behavior and Systematics, Bacterivore, Soil respiration, Soil ecology, Botany, Soil food web, Biology, Biomass, Microbial loop, Soil biology, Soil type
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