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Meiofauna higher taxa density (abundance per m2), and Nematode genera counts (100-150 individuals per slice) from multiple corer samples (0-5 cm sediment depth, Ocean Instruments MC800) taken during 2019 Research Vessel Point Sur expedition (#PS20-8) to the West Florida Slope and Escarpment, Eastern Gulf of Mexico. Conducted under the auspices of the NOAA funded (NA180AR0110285) project: Combining habitat suitability and physical oceanography for targeted discovery of new benthic communities on the west Florida slope (Hydrosmac). This dataset contains the original files submitted to the OBIS-USA IPT, the processed files that are published in the OBIS-USA IPT, and the scripts that were used in processing.
Although belowground ecosystems have been studied extensively and soil biota play integral roles in biogeochemical processes, surprisingly we have a limited understanding of global patterns in belowground biomass and community structure. To address this critical gap, we conducted a meta-analysis of published data (> 1300 datapoints) to compare belowground plant, microbial and faunal biomass across seven of the major biomes on Earth. We also assembled data to assess biome-level patterns in belowground microbial community composition. Our analysis suggests that variation in microbial biomass is predictable across biomes, with microbial biomass carbon representing 0.6-1.1% of soil organic carbon (r(2) = 0.91) and 1-20%...