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OAS accession Detail for 0291922
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Title: Primary producer amino acid nitrogen isotope values from published literature to examine beta variability in trophic position estimates from 1987-01-01 to 2022-12-31 (NCEI Accession 0291922)
Abstract: This dataset contains biological, chemical, and survey - biological data collected at Jordan Basin, Gulf of Maine (43 to 44.25N, 68.5 to 66.5W) from 1987-01-01 to 2022-12-31. These data include common_name, d15N, and taxon. These data were collected by Alexi Besser and Seth D. Newsome of University of New Mexico and Kelton W. McMahon and Matthew D. Ramirez of University of Rhode Island as part of the "Collaborative Research: Sources and transformations of export production: A novel 50-year record of pelagic-benthic coupling from coral and plankton bioarchives (GoME Copepod Coral Export)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2022-03-24.

The following is the text of the dataset description provided by BCO-DMO:

Dataset Description:
This dataset represents information from a meta-analysis of primary producer amino acid δ 15 N data that were published in Ramirez et al. (2021) [ https://doi.org/10.1111/2041-210X.13678 ].

This meta-analysis fulfills a pressing need to comprehensively evaluate relevant sources of β value variability and its contribution to the uncertainty in trophic position compound specific isotope analysis (TP CSIA). We first synthesized all published primary producer AA δ 15 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 15 N and β value variability.

Amino acids: alanine, arginine, aspartic acid, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tyrosine, and valine

Environmental system: bacteria, freshwater, marine, or terrestrial

Vascularization: vascular, or non-vascular

Phylum/Division: Bryophyta, Chlorophyta, Cyanophyta, Euryarchaeota, Haptophyta, Magnoliophyta, Myzozoa, Ochrophyta, Pinophyta, Polypodiophyta, Proteobacteria, Rhodophyta, or Unknown

Stem Class: herbaceous, woody, or semi-woody

Life Cycle: annual, biennial, or perennial

Taxonomic Group: Cactus, Chemoautotroph, Cyanobacteria, Eukaryotic microalgae, Fern, Forb, Grass, Ice algae, Leaf litter, Macroalgae, Macrophyte, Moss, POM, Seagrass, Shrub, Tree, or Vine

Respiration type: C3, C4, or CAM (Crassulacean acid metabolism)

Tissue type: flower, fruit, leaf, paddle, rachis, seed, shoot, whole, or wood

Cultivation type: culture, farm, filtered water, natural, sediment trap, or suburb
Date received: 20220324
Start date: 19870101
End date: 20221231
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Submitting institution: Biological and Chemical Oceanography Data Management Office
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Supplementary information: Acquisition Description:
Literature Review Methods

We performed a structured literature search for primary producer amino acid (AA) δ 15 N data in Scopus and Google Scholar using the search terms nitrogen isotope OR 15N AND amino acid with each of the terms plant , *plankton , algae , bacteria , and autotroph . We also used the search terms trophic , diet , and food web to identify all studies that estimated trophic position via compound-specific stable isotope analysis (TP CSIA ) or that estimated AA-specific trophic discrimination factors (TDFs). We only included studies that reported natural abundance stable isotope data. The literature search yielded 15 studies that reported beta values (β) for individual primary producers, 44 studies that reported TDFs or paired consumer-diet data within a trophic ecology context (e.g., controlled feeding study designed to characterize AA fractionation), and 176 studies that applied the TP CSIA equation (Figure 2 from Ramirez et al. 2021). The literature search yielded an additional 36 studies that reported AA δ 15 N data for autotrophs from which β values could be calculated and 9 additional studies from which TDFs could be calculated. The unit of replication for this meta-analysis was species-specific tissue within study. Therefore, if a study had multiple β values for a single primary producer species, a simple mean and standard deviation were calculated to consolidate the reported data into one estimate per species per study. Tissue-specific data were maintained separately whenever reported. This process resulted in a final dataset that consisted of 236 β values across ≥ 132 different primary producer genera in freshwater, marine, and terrestrial ecosystems (Table 1, Figure 3 in Ramirez et al. 2021). Our meta-analysis focused primarily on β values derived from Glx and Phe (β Glx-Phe ) given that they are the most commonly measured trophic and source AAs and applied to estimate TP CSIA . However, we present β values for all combinations of trophic (Asx, Ala, Ile, Leu, Pro, Val) and source (Phe, Lys, Met, Tyr) AAs in Table 2 and Figures S1 (Ramirez et al. 2021). We also calculated β values for the “metabolic” AA Thr relative to the source AAs given its unique isotope dynamics with trophic transfer (McMahon & McCarthy, 2016). Primary producer Met and Tyr δ 15 N data were not routinely collected nor reported, therefore inferences were limited for these AAs.

A list of the publications is found in the Publications section below, and also in Ramirez et al. (2021).
Availability date:
Metadata version: 2
Keydate: 2024-04-27 17:05:42+00
Editdate: 2025-01-14 13:39:10+00