Variation in δ¹⁵N from shell-associated organic matter in bivalves: Implications for studies of modern and fossil ecosystems

Agriculture & Biology

• fossils 100%
• shell (molluscs) 97%
• Bivalvia 96%
• organic matter 87%
• ecosystems 72%
• nitrogen 28%
• trophic relationships 24%
• isotopes 19%
• Spisula solidissima 16%
• Spisula 15%
• nutrients 11%
• primary productivity 11%
• food webs 10%
• stable isotopes 10%
• uncertainty 9%
• ontogeny 9%
• life history 7%
• methodology 5%
• diet 4%
• testing 3%
• sampling 3%

Earth & Environmental Sciences

• bivalve 93%
• shell 75%
• fossil 70%
• organic matter 64%
• ecosystem 56%
• nitrogen isotope 33%
• fossil record 19%
• physiological change 13%
• nutrient 12%
• nitrogen 11%
• ontogeny 11%
• life history 9%
• food web 9%
• turnover 8%
• diet 8%
• stable isotope 8%
• productivity 6%
• methodology 5%
• test 3%