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On July 21, 2026, 1:32:32 PM UTC,
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Changed the source URL of A long-term view on recent changes in abundance of common skate complex in the North Sea from https://doi.org/10.33591/nioz/7b.b.rd to https://doi.org/10.25850/nioz/7b.b.rd
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Changed value of field
dataset_persistent_id
toDOI:10.25850/nioz/7b.b.rd
in A long-term view on recent changes in abundance of common skate complex in the North Sea
| f | 1 | { | f | 1 | { |
| 2 | "author": "Roeland Bom (Royal Netherlands Institute for Sea | 2 | "author": "Roeland Bom (Royal Netherlands Institute for Sea | ||
| 3 | Research)", | 3 | Research)", | ||
| 4 | "author_email": "roeland.bom@nioz.nl", | 4 | "author_email": "roeland.bom@nioz.nl", | ||
| 5 | "code": "7b.b.rd", | 5 | "code": "7b.b.rd", | ||
| 6 | "contributor": "Royal Netherlands Institute for Sea Research | 6 | "contributor": "Royal Netherlands Institute for Sea Research | ||
| 7 | (NIOZ)", | 7 | (NIOZ)", | ||
| 8 | "creator_user_id": "b2337945-171f-4290-ac80-b7e818b37b1c", | 8 | "creator_user_id": "b2337945-171f-4290-ac80-b7e818b37b1c", | ||
| 9 | "creators": | 9 | "creators": | ||
| 10 | me\":\"Bom\",\"orcid\":\"0000-0001-8180-1958\",\"affiliation\":\"Royal | 10 | me\":\"Bom\",\"orcid\":\"0000-0001-8180-1958\",\"affiliation\":\"Royal | ||
| 11 | Netherlands Institute for Sea | 11 | Netherlands Institute for Sea | ||
| 12 | ndingauthor\":true,\"contactemailaddress\":\"roeland.bom@nioz.nl\"}]", | 12 | ndingauthor\":true,\"contactemailaddress\":\"roeland.bom@nioz.nl\"}]", | ||
| n | 13 | "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.rd", | n | 13 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.rd", |
| 14 | "dates": "[{\"datefrom\":\"1902-01-01 | 14 | "dates": "[{\"datefrom\":\"1902-01-01 | ||
| 15 | 00:00:00.000\",\"dateto\":\"2021-12-31 | 15 | 00:00:00.000\",\"dateto\":\"2021-12-31 | ||
| 16 | 00:00:00.000\",\"type\":\"collected\",\"information\":null}]", | 16 | 00:00:00.000\",\"type\":\"collected\",\"information\":null}]", | ||
| 17 | "deposit_date": "2022-10-24", | 17 | "deposit_date": "2022-10-24", | ||
| 18 | "depositor": "Roeland Bom (roeland.bom@nioz.nl)", | 18 | "depositor": "Roeland Bom (roeland.bom@nioz.nl)", | ||
| 19 | "distribution_date": "2022-10-24", | 19 | "distribution_date": "2022-10-24", | ||
| 20 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 20 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 21 | Institute for Sea Research)", | 21 | Institute for Sea Research)", | ||
| 22 | "doi_date_published": "2022-10-24T11:03:00", | 22 | "doi_date_published": "2022-10-24T11:03:00", | ||
| 23 | "geographic_coverage": "[{\"place\":\"North | 23 | "geographic_coverage": "[{\"place\":\"North | ||
| 24 | longitude_1\":\"51.5\",\"longitude_2\":\"-4\",\"latitude_1\":\"8\"}]", | 24 | longitude_1\":\"51.5\",\"longitude_2\":\"-4\",\"latitude_1\":\"8\"}]", | ||
| 25 | "groups": [], | 25 | "groups": [], | ||
| 26 | "id": "16251a2e-09d1-4715-90cc-1c641a051072", | 26 | "id": "16251a2e-09d1-4715-90cc-1c641a051072", | ||
| 27 | "isopen": false, | 27 | "isopen": false, | ||
| 28 | "license_title": null, | 28 | "license_title": null, | ||
| 29 | "maintainer": "Roeland", | 29 | "maintainer": "Roeland", | ||
| 30 | "maintainer_email": "roeland.bom@nioz.nl", | 30 | "maintainer_email": "roeland.bom@nioz.nl", | ||
| 31 | "metadata_created": "2024-10-22T11:48:26.811167", | 31 | "metadata_created": "2024-10-22T11:48:26.811167", | ||
| n | 32 | "metadata_modified": "2024-12-13T09:34:29.772509", | n | 32 | "metadata_modified": "2026-07-21T13:32:32.516850", |
| 33 | "name": | 33 | "name": | ||
| 34 | recent-changes-in-abundance-of-common-skate-complex-in-the-north-sea", | 34 | recent-changes-in-abundance-of-common-skate-complex-in-the-north-sea", | ||
| 35 | "notes": "Following decades of declines, populations of large fish | 35 | "notes": "Following decades of declines, populations of large fish | ||
| 36 | recently started to increase in the North Sea, presumably due to | 36 | recently started to increase in the North Sea, presumably due to | ||
| 37 | reduced fishing pressure. However, population recovery may be too | 37 | reduced fishing pressure. However, population recovery may be too | ||
| 38 | readily claimed, since standardised sampling of fish stocks commenced | 38 | readily claimed, since standardised sampling of fish stocks commenced | ||
| 39 | only in the 1970s, well after many species had already collapsed. A | 39 | only in the 1970s, well after many species had already collapsed. A | ||
| 40 | true recovery must be seen from a long-term perspective. The | 40 | true recovery must be seen from a long-term perspective. The | ||
| 41 | critically endangered common skate (Dipturus batis, Rajidae) | 41 | critically endangered common skate (Dipturus batis, Rajidae) | ||
| 42 | species-complex is an example of a large-bodied fish that mostly | 42 | species-complex is an example of a large-bodied fish that mostly | ||
| 43 | disappeared before standardised monitoring took place. Here we put the | 43 | disappeared before standardised monitoring took place. Here we put the | ||
| 44 | recent increase in population size into a 120-year perspective, | 44 | recent increase in population size into a 120-year perspective, | ||
| 45 | throughout three geographical divisions in the North Sea. We analysed | 45 | throughout three geographical divisions in the North Sea. We analysed | ||
| 46 | a large range of mostly undisclosed historical data and contemporary | 46 | a large range of mostly undisclosed historical data and contemporary | ||
| 47 | sources. A reconstruction of Dutch commercial landings data confirms | 47 | sources. A reconstruction of Dutch commercial landings data confirms | ||
| 48 | that the species used to be very abundant between 1902 \u2013 1920, | 48 | that the species used to be very abundant between 1902 \u2013 1920, | ||
| 49 | and shows how it steadily declined from 1920 onwards until it got | 49 | and shows how it steadily declined from 1920 onwards until it got | ||
| 50 | extirpated around 1970. Based on a quantitative analysis of | 50 | extirpated around 1970. Based on a quantitative analysis of | ||
| 51 | standardized catch numbers from fishery-independent surveys time we | 51 | standardized catch numbers from fishery-independent surveys time we | ||
| 52 | conclude that the current abundance of the species is still below | 52 | conclude that the current abundance of the species is still below | ||
| 53 | historical baselines and represents a local recovery at most. We | 53 | historical baselines and represents a local recovery at most. We | ||
| 54 | further demonstrate a prominent and consistent pattern in | 54 | further demonstrate a prominent and consistent pattern in | ||
| 55 | size-distribution, with larger (mature) individuals only occurring in | 55 | size-distribution, with larger (mature) individuals only occurring in | ||
| 56 | the northern North Sea. A large dataset on historical stomach contents | 56 | the northern North Sea. A large dataset on historical stomach contents | ||
| 57 | from the central North Sea confirmed the diet of young common skate, | 57 | from the central North Sea confirmed the diet of young common skate, | ||
| 58 | which consisted predominantly of shrimps. Our review exemplifies the | 58 | which consisted predominantly of shrimps. Our review exemplifies the | ||
| 59 | importance of marine historical ecology to deduce the natural richness | 59 | importance of marine historical ecology to deduce the natural richness | ||
| 60 | of the North Sea.", | 60 | of the North Sea.", | ||
| 61 | "num_resources": 0, | 61 | "num_resources": 0, | ||
| 62 | "num_tags": 1, | 62 | "num_tags": 1, | ||
| 63 | "organization": { | 63 | "organization": { | ||
| 64 | "approval_status": "approved", | 64 | "approval_status": "approved", | ||
| 65 | "created": "2024-10-22T06:06:56.074257", | 65 | "created": "2024-10-22T06:06:56.074257", | ||
| 66 | "description": "", | 66 | "description": "", | ||
| 67 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | 67 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| n | 68 | "image_url": | n | 68 | "image_url": "https://ckan.nioz.nl/NIOZ.svg", |
| 69 | z.nl/application/files/1216/8924/5333/NIOZ-logo_witte_randi-2023.svg", | ||||
| 70 | "is_organization": true, | 69 | "is_organization": true, | ||
| 71 | "name": "nioz", | 70 | "name": "nioz", | ||
| 72 | "state": "active", | 71 | "state": "active", | ||
| 73 | "title": "Royal Netherlands Institute for Sea Research", | 72 | "title": "Royal Netherlands Institute for Sea Research", | ||
| 74 | "type": "organization" | 73 | "type": "organization" | ||
| 75 | }, | 74 | }, | ||
| 76 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | 75 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| 77 | "private": false, | 76 | "private": false, | ||
| 78 | "production_date": "2022-10-24", | 77 | "production_date": "2022-10-24", | ||
| 79 | "relationships_as_object": [], | 78 | "relationships_as_object": [], | ||
| 80 | "relationships_as_subject": [], | 79 | "relationships_as_subject": [], | ||
| 81 | "resources": [], | 80 | "resources": [], | ||
| 82 | "state": "active", | 81 | "state": "active", | ||
| 83 | "subject": "Earth and Environmental Sciences", | 82 | "subject": "Earth and Environmental Sciences", | ||
| 84 | "tags": [ | 83 | "tags": [ | ||
| 85 | { | 84 | { | ||
| 86 | "display_name": "Dipturus batis Dipturus intermedius Marine | 85 | "display_name": "Dipturus batis Dipturus intermedius Marine | ||
| 87 | historical ecology Shifting baselines Number per swept a", | 86 | historical ecology Shifting baselines Number per swept a", | ||
| 88 | "id": "cd59ded3-875c-45b4-98de-1c940fa350ea", | 87 | "id": "cd59ded3-875c-45b4-98de-1c940fa350ea", | ||
| 89 | "name": "Dipturus batis Dipturus intermedius Marine historical | 88 | "name": "Dipturus batis Dipturus intermedius Marine historical | ||
| 90 | ecology Shifting baselines Number per swept a", | 89 | ecology Shifting baselines Number per swept a", | ||
| 91 | "state": "active", | 90 | "state": "active", | ||
| 92 | "vocabulary_id": null | 91 | "vocabulary_id": null | ||
| 93 | } | 92 | } | ||
| 94 | ], | 93 | ], | ||
| 95 | "title": "A long-term view on recent changes in abundance of common | 94 | "title": "A long-term view on recent changes in abundance of common | ||
| 96 | skate complex in the North Sea", | 95 | skate complex in the North Sea", | ||
| 97 | "type": "dataset", | 96 | "type": "dataset", | ||
| t | 98 | "url": "https://doi.org/10.33591/nioz/7b.b.rd", | t | 97 | "url": "https://doi.org/10.25850/nioz/7b.b.rd", |
| 99 | "version": "1" | 98 | "version": "1" | ||
| 100 | } | 99 | } |