| Summary: | <p>This dataset represents information from a meta-analysis of primary producer amino acid δ<sup>15</sup>N data that were published in Ramirez et al. (2021) [<a href=\"https://doi.org/10.1111/2041-210X.13678\" style=\"margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 14.4px; line-height: inherit; font-family: Helvetica, Arial, sans-serif; vertical-align: baseline; text-decoration-line: none; color: rgb(0, 102, 153);\" target=\"_blank\">https://doi.org/10.1111/2041-210X.13678</a>]. </p> <p><span style=\"font-size:14px\"><span style=\"font-family:arial,helvetica,sans-serif\"><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">This meta-analysis fulfills a pressing need to comprehensively evaluate relevant sources of </span><em>β</em><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\"> value variability and its contribution to the uncertainty in trophic position compound specific isotope analysis (TP</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">CSIA)</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">. We first synthesized all published primary producer AA δ</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">15</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">N data to investigate ecologically relevant sources of variability (e.g. taxonomy, tissue type, habitat type, mode of photosynthesis). We then reviewed the biogeochemical mechanisms underpinning AA δ</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">15</span><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\">N and </span><em>β</em><span style=\"background-color:rgb(255, 255, 255); color:rgb(28, 29, 30)\"> value variability. </span></span></span></p> <p><strong>Amino acids:</strong> alanine ,arginine, aspartic acid, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tyrosine, and valine</p> <p><strong>Environmental system:</strong> bacteria, freshwater, marine, or terrestrial</p> <p><strong>Vascularization:</strong> vascular, or non-vascular</p> <p><strong>Phylum/Division:</strong> Brypohyta, Chlorophyta, Cyanophyta, Euryarchaeota, Haptophyta, Magnoliophyta, Myzozoa, Ochrophyta, Pinophyta, Polypodiophyta, Proteobacteria, Rhodophyta, or Unknown</p> <p><strong>Stem Class:</strong> herbaceous, woody, or semi-woody</p> <p><strong>Life Cycle:</strong> annual, biennial, or perennial</p> <p><strong>Taxonomic Group</strong>: Cactus, Chemoautotroph, Cyanobacteria, Eukaryotic microalgae, Fern, Forb, Grass, Ice algae, Leaf litter, Macroalgae, Macrophyte, Moss, POM, Seagrass, Shrub, Tree, or Vine</p> <p><strong>Respiration type:</strong> C3, C4, or CAM (Crassulacean acid metabolism)</p> <p><strong>Tissue type:</strong> flower, fruit, leaf, paddle, rachis, seed, shoot, whole, or wood</p> <p><strong>Cultivation type:</strong> culture, farm, filtered water, natural, sediment trap, or suburb</p>
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