{ "schema_version": "1.1", "release": { "version": "v2026.09.06", "release_date": "2026-09-06", "doi": null, "concept_doi": "10.5281/zenodo.22281994", "citation": "CalCOFI (2026). CalCOFI Integrated Database, release v2026.09.06 [Data set]. Scripps Institution of Oceanography, NOAA Fisheries, and California Department of Fish and Wildlife. https://calcofi.io/db-schema/?v=v2026.09.06", "n_tables": 23, "total_rows": 348657010, "total_size": 2464721127, "url": "https://storage.googleapis.com/calcofi-db/ducklake/releases/v2026.09.06/", "catalog_url": "https://storage.googleapis.com/calcofi-db/ducklake/releases/v2026.09.06/catalog.json", "schema_url": "https://calcofi.io/db-schema/?v=v2026.09.06" }, "dataset": { "dataset_key": "cce-lter_zoodb", "provider": { "key": "cce-lter", "short": "CCE-LTER", "name": "California Current Ecosystem Long Term Ecological Research", "url": "https://ccelter.ucsd.edu", "registered": true }, "dataset": "zoodb", "dataset_name": "ZooDB Holoplankton Community", "dataset_name_short": "ZooDB (Holoplankton Community)", "category": { "name": "Zooplankton", "realm": "bio", "icon": "cat-zooplankton", "order": 8, "description": "Net-tow zooplankton: displacement volume, imaged and identified taxa, decapod larvae", "registered": true }, "color": "#38d9a9", "visibility": "public", "description_md": "Holoplankton abundance and carbon biomass by 33 higher taxa (copepods to family, plus amphipods, chaetognaths, salps, pyrosomes, pteropods, ostracods, foraminifera, radiolaria and more) from CalCOFI net tows, 1951-2021, enumerated by microscopy (Ohman Lab / SIO Pelagic Invertebrate Collection). One row per (sample, taxon, measurement_type); unpooled tows are station-resolved, pooled samples are per-cruise regional composites. Raw (uncorrected) abundance per 1000 m3 and per m2, plus biomass mg C/m2.\n", "keywords": ["EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > ZOOPLANKTON", "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS", "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > COPEPODS"], "attribution": { "citation_main": null, "citation_others": [], "doi": null, "license": "custom", "license_name": "Custom terms stated by the provider", "license_url": "https://oceaninformatics.ucsd.edu/zoodb/", "acknowledgement": "Plankton sample analysis supported by NSF grants to M.D. Ohman and the CCE-LTER site, and by the SIO Pelagic Invertebrate Collection.", "contact": null, "pi_names": ["Mark D. Ohman", "Bertha Lavaniegos", "Linsey Sala"], "creators": [], "funding": null, "source_accessed": "2026-09-04" }, "links": { "calcofi_org": "https://calcofi.org/data/marine-ecosystem-data/zooplankton/", "data_source": "https://oceaninformatics.ucsd.edu/zoodb/", "workflow": "https://calcofi.io/workflows/ingest_cce-lter_zoodb.html", "page": "https://calcofi.io/datasets/cce-lter_zoodb/" }, "coverage": { "realm": "bio", "temporal": "1951-03 to 2015-04", "year_min": 1951, "year_max": 2015, "years": [ { "year": 1951, "n_obs": 1881, "n_roots": 19 }, { "year": 1953, "n_obs": 1683, "n_roots": 22 }, { "year": 1956, "n_obs": 660, "n_roots": 10 }, { "year": 1958, "n_obs": 462, "n_roots": 14 }, { "year": 1964, "n_obs": 396, "n_roots": 12 }, { "year": 1966, "n_obs": 1254, "n_roots": 19 }, { "year": 1972, "n_obs": 924, "n_roots": 14 }, { "year": 1974, "n_obs": 528, "n_roots": 8 }, { "year": 1978, "n_obs": 396, "n_roots": 12 }, { "year": 1979, "n_obs": 726, "n_roots": 11 }, { "year": 1980, "n_obs": 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