attributes.tag: collection_date
attributes.value: 2013-08-15
attributes.tag: depth
attributes.value: 0-16cm
attributes.tag: elev
attributes.value: 4m
attributes.tag: env_biome
attributes.value: salt marsh
attributes.tag: env_feature
attributes.value: wetland
attributes.tag: env_material
attributes.value: soil
attributes.tag: geo_loc_name
attributes.value: China: Yangtze River estuary
attributes.tag: lat_lon
attributes.value: 31.417 N 121.834 E
attributes.tag: BioSampleModel
attributes.value: MIMS.me
attributes.tag: BioSampleModel
attributes.value: MIGS/MIMS/MIMARKS.soil