{"id": 1269785, "name": "Total number of whales caught per decade", "unit": "whales", "createdAt": "2026-06-07T17:27:30.000Z", "updatedAt": "2026-06-07T17:27:30.000Z", "coverage": "", "timespan": "1900-2020", "datasetId": 7977, "columnOrder": 0, "shortName": "total", "catalogPath": "grapher/biodiversity/2026-05-29/long_run_whaling/long_run_whaling_decades#total", "descriptionShort": "Total number of whales caught per decade", "descriptionProcessing": "- Data after 1990 comes from the International Whaling Commission (IWC) which recorded the number of catches at: https://iwc.int/management-and-conservation/whaling/total-catches\n- Data pre-1990 comes from: Rocha, R. C., Clapham, P. J., & Ivashchenko, Y. V. (2014). Emptying the oceans: a summary of industrial whaling catches in the 20th century. Marine Fisheries Review, 76(4), 37-48.\n- For continuity with the Rocha data, we combine common minke and Antarctic minke into a single 'minke' category, and blue and pygmy blue whales into a single 'blue' category. We also add bowhead whales to the \"other/unspecified\" category in the Rocha data, as they are included in the IWC data but not in Rocha's.", "type": "int", "datasetName": "Long run whaling data (Rocha + IWC)", "updatePeriodDays": 365, "datasetVersion": "2026-05-29", "nonRedistributable": false, "display": {"unit": "whales", "color": "#4C6A9C"}, "schemaVersion": 2, "processingLevel": "minor", "presentation": {"titlePublic": "All whale species", "topicTagsLinks": ["Biodiversity", "Fish & Overfishing"]}, "descriptionKey": ["This data comes from two sources: The paper \"Emptying the oceans: a summary of industrial whaling catches in the 20th century\" by Rocha et al. for data pre-1990, and the International Whaling Commission (IWC) for data after 1990.", "The year shown is the start year of the decade. For example, 1950 represents the decade from 1950-1959.", "Data pre-1990 does not include aboriginal subsistence whaling as it focusses on industrial whaling. Data after 1990 from the IWC includes subsistence whaling."], "dimensions": {"years": {"values": [{"id": 1900}, {"id": 1910}, {"id": 1920}, {"id": 1930}, {"id": 1940}, {"id": 1950}, {"id": 1960}, {"id": 1970}, {"id": 1980}, {"id": 1990}, {"id": 2000}, {"id": 2010}, {"id": 2020}]}, "entities": {"values": [{"id": 355, "name": "World", "code": "OWID_WRL"}, {"id": 44, "name": "Canada", "code": "CAN"}, {"id": 161, "name": "Denmark", "code": "DNK"}, {"id": 136, "name": "Indonesia", "code": "IDN"}, {"id": 14, "name": "Japan", "code": "JPN"}, {"id": 102, "name": "Norway", "code": "NOR"}, {"id": 12, "name": "Russia", "code": "RUS"}, {"id": 230, "name": "Saint Vincent and the Grenadines", "code": "VCT"}, {"id": 270, "name": "USSR", "code": "OWID_USS"}, {"id": 13, "name": "United States", "code": "USA"}, {"id": 207, "name": "Iceland", "code": "ISL"}, {"id": 127, "name": "South Korea", "code": "KOR"}]}}, "origins": [{"id": 15358, "title": "Emptying the Oceans: A Summary of Industrial Whaling Catches in the 20th Century", "producer": "Rocha, Clapham & Ivashchenko", "citationFull": "Rocha, R. C., Clapham, P. J., & Ivashchenko, Y. V. (2014). Emptying the oceans: a summary of industrial whaling catches in the 20th century. Marine Fisheries Review, 76(4), 37-48.", "attributionShort": "Rocha et al.", "urlMain": "https://spo.nmfs.noaa.gov/content/emptying-oceans-summary-industrial-whaling-catches-20th-century", "dateAccessed": "2026-05-29", "datePublished": "2014", "license": {"url": "https://repository.library.noaa.gov/Content%20and%20Copyright", "name": "Public domain"}}, {"id": 15357, "title": "Total Whaling Catches (IWC)", "description": "List of annual whale catches by the International Whaling Commission. Includes catches since the moratorium came into place in the 1985/6 Antarctic Season.  No blue whales (including pygmy blue whales) or right whales have been caught since the moratorium took effect and therefore neither species is listed in the catches.", "producer": "International Whaling Commission (IWC)", "citationFull": "International Whaling Commission (2026), \"Total Catches.\" IWC, iwc.int/management-and-conservation/whaling/total-catches", "attributionShort": "IWC", "urlMain": "https://iwc.int/management-and-conservation/whaling/total-catches", "urlDownload": "https://iwc.int/total-catches20.download", "dateAccessed": "2026-05-29", "datePublished": "2026", "license": {"url": "https://iwc.int/management-and-conservation/whaling/total-catches", "name": "Copyright \u00a9 International Whaling Commission 2026"}}]}