soil physical structure, micro-scale feeding, PLFA, springtail, Collembola, 13C label
compound specific isotope analysis of amino acids, collembola, mycorrhizal fungi, root trenching, saprotrophic microorganisms, trophic position
Collembola, Oribatida, trophic niches, basal resources, stable isotopes, CSIA-AA
Agroecosystem, 13C Pulse labelling, 15N labelling, Compound specific stable isotope analysis of amino acids, trophic interactions
plant economic space, 13C/15N isotopic labelling, food web energetics, fungal versus bacterial energy channels, Soil food webs, Soil fauna
Plant mixture, Nutrient uptake, Niche complementarity, Earthworm species, Stable isotope, PLFA
Soil fauna, soil depth, bulk stable isotope analysis, CSIA-AA