Gradual enrichment of ¹⁵N with humification of diets in a below-ground food web: Relationship between ¹⁵N and diet age determined using ¹⁴C

Earth & Environmental Sciences

• humification 85%
• food web 64%
• diet 60%
• termite 42%
• earthworm 26%
• isotope 20%
• organism 12%
• savanna 9%
• organic matter 9%
• tissue 6%
• young 6%
• soil organism 6%
• soil 5%
• trophic interaction 5%
• material flow 5%
• energy flow 5%
• trophic level 4%
• photosynthesis 4%
• soil organic matter 4%
• litter 4%
• grass 3%
• nitrogen 2%
• carbon 2%
• material 1%
• effect 1%

Agriculture & Biology

• humification 100%
• food webs 76%
• diet 35%
• Isoptera 33%
• isotopes 28%
• earthworms 23%
• soil organic matter 17%
• organisms 10%
• savannas 9%
• soil 6%
• soil food webs 6%
• carbon radioisotopes 6%
• energy flow 6%
• trophic relationships 5%
• Cote d'Ivoire 5%
• soil biota 5%
• trophic levels 5%
• tissues 4%
• photosynthesis 3%
• grasses 3%
• carbon 3%
• nitrogen 2%