attributes.tag: collection_date
attributes.value: 2024-08-12
attributes.tag: env_broad_scale
attributes.value: freshwater lake
attributes.tag: sample_title
attributes.value: U4_H (SAMC5976780)
attributes.tag: env_local_scale
attributes.value: hypereutrophic lake
attributes.tag: ngdc_project_id
attributes.value: PRJCA047418
attributes.tag: depth
attributes.value: 2m
attributes.tag: ngdc_release_date
attributes.value: 2025-10-10
attributes.tag: geo_loc_name
attributes.value: missing: data agreement established pre-2023
attributes.tag: ngdc_sample_id
attributes.value: SAMC5976780
attributes.tag: env_medium
attributes.value: lake water
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: sample_name
attributes.value: SAMC5976780_U4_H