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The distribution of the juvenile stages and eggcases of skates (Rajidae) around the British Isles
Skates (Rajidae) include species of conservation and commercial importance, but there is limited information regarding their ecologically important habitats, including spawning and nursery areas, in northern European seas. Data on the distribution, relative abundance and length composition of skates...
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| Published in: | Aquatic conservation 2024-04, Vol.34 (4), p.n/a |
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| container_title | Aquatic conservation |
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| creator | Ellis, Jim R. Gordon, Cat A. Allen, Harriet L. Silva, Joana F. Bird, Christopher Johnston, Graham O'Connor, Bríd McCully Phillips, Sophy R. Hood, Ali |
| description | Skates (Rajidae) include species of conservation and commercial importance, but there is limited information regarding their ecologically important habitats, including spawning and nursery areas, in northern European seas.
Data on the distribution, relative abundance and length composition of skates were collated from scientific trawl surveys, and based on length‐frequency information, length‐at‐hatching and length‐at‐maturity, skates were allocated to length‐based categories representing early‐juvenile stages (EJS) and mid‐juvenile stages (MJS).
Citizen science data were used to inform on the occurrence of eggcases. The Great Eggcase Hunt (starting in 2003) citizen science recording project collects georeferenced data for elasmobranch eggcases, primarily from around the British Isles. This provided verified species‐specific data for a total of 227,407 specimens from 11 skate species. Purse Search Ireland (starting in 2005) provided a further 2491 records of 10 skate species from around Ireland.
The most frequently observed skate eggcases were from the genus Raja and occurred around much of the British Isles. The EJS and MJS of such species were observed most frequently in inshore waters. Data for EJS were more limited for Raja microocellata and Raja undulata, indicating that the EJS of these species occur in shallower ( |
| doi_str_mv | 10.1002/aqc.4149 |
| format | article |
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Data on the distribution, relative abundance and length composition of skates were collated from scientific trawl surveys, and based on length‐frequency information, length‐at‐hatching and length‐at‐maturity, skates were allocated to length‐based categories representing early‐juvenile stages (EJS) and mid‐juvenile stages (MJS).
Citizen science data were used to inform on the occurrence of eggcases. The Great Eggcase Hunt (starting in 2003) citizen science recording project collects georeferenced data for elasmobranch eggcases, primarily from around the British Isles. This provided verified species‐specific data for a total of 227,407 specimens from 11 skate species. Purse Search Ireland (starting in 2005) provided a further 2491 records of 10 skate species from around Ireland.
The most frequently observed skate eggcases were from the genus Raja and occurred around much of the British Isles. The EJS and MJS of such species were observed most frequently in inshore waters. Data for EJS were more limited for Raja microocellata and Raja undulata, indicating that the EJS of these species occur in shallower (<20 m) waters.
Juveniles of the genus Leucoraja occurred further offshore. Only the eggcases of Leucoraja naevus were recorded regularly, with the eggcase of Leucoraja fullonica described here.
The data collated here provide an overview of skate spawning and nursery areas, thus informing fisheries management and marine spatial planning, including the identification and delineation of Important Shark and Ray Areas (ISRAs).</description><identifier>ISSN: 1052-7613</identifier><identifier>EISSN: 1099-0755</identifier><identifier>DOI: 10.1002/aqc.4149</identifier><language>eng</language><publisher>Oxford: Wiley Subscription Services, Inc</publisher><subject>Benthos collecting devices ; citizen science ; elasmobranch ; Environmental planning ; essential fish habitat ; Fisheries ; Fisheries management ; Fishery management ; Hatching ; Islands ; Juveniles ; Marine fishes ; Marine protected areas ; Marine resources ; northeast Atlantic ; Nurseries ; Nursery grounds ; Offshore ; Rajidae ; Rajiformes ; Relative abundance ; Spatial planning ; Spawning ; Species ; trawl surveys</subject><ispartof>Aquatic conservation, 2024-04, Vol.34 (4), p.n/a</ispartof><rights>2024 Crown copyright. Aquatic Conservation: Marine and Freshwater Ecosystems © 2024 John Wiley & Sons Ltd. This article is published with the permission of the Controller of HMSO and the King's Printer for Scotland.</rights><rights>2024 John Wiley & Sons Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2549-d0afa4d91b0a039ca2124e0f16e51d4ffce6f55cfdcbeb711788dd6a44409ec13</cites><orcidid>0000-0002-8851-7965 ; 0000-0001-5108-2032 ; 0000-0003-3353-9312 ; 0000-0002-2897-1410 ; 0000-0003-3110-5916</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ellis, Jim R.</creatorcontrib><creatorcontrib>Gordon, Cat A.</creatorcontrib><creatorcontrib>Allen, Harriet L.</creatorcontrib><creatorcontrib>Silva, Joana F.</creatorcontrib><creatorcontrib>Bird, Christopher</creatorcontrib><creatorcontrib>Johnston, Graham</creatorcontrib><creatorcontrib>O'Connor, Bríd</creatorcontrib><creatorcontrib>McCully Phillips, Sophy R.</creatorcontrib><creatorcontrib>Hood, Ali</creatorcontrib><title>The distribution of the juvenile stages and eggcases of skates (Rajidae) around the British Isles</title><title>Aquatic conservation</title><description>Skates (Rajidae) include species of conservation and commercial importance, but there is limited information regarding their ecologically important habitats, including spawning and nursery areas, in northern European seas.
Data on the distribution, relative abundance and length composition of skates were collated from scientific trawl surveys, and based on length‐frequency information, length‐at‐hatching and length‐at‐maturity, skates were allocated to length‐based categories representing early‐juvenile stages (EJS) and mid‐juvenile stages (MJS).
Citizen science data were used to inform on the occurrence of eggcases. The Great Eggcase Hunt (starting in 2003) citizen science recording project collects georeferenced data for elasmobranch eggcases, primarily from around the British Isles. This provided verified species‐specific data for a total of 227,407 specimens from 11 skate species. Purse Search Ireland (starting in 2005) provided a further 2491 records of 10 skate species from around Ireland.
The most frequently observed skate eggcases were from the genus Raja and occurred around much of the British Isles. The EJS and MJS of such species were observed most frequently in inshore waters. Data for EJS were more limited for Raja microocellata and Raja undulata, indicating that the EJS of these species occur in shallower (<20 m) waters.
Juveniles of the genus Leucoraja occurred further offshore. Only the eggcases of Leucoraja naevus were recorded regularly, with the eggcase of Leucoraja fullonica described here.
The data collated here provide an overview of skate spawning and nursery areas, thus informing fisheries management and marine spatial planning, including the identification and delineation of Important Shark and Ray Areas (ISRAs).</description><subject>Benthos collecting devices</subject><subject>citizen science</subject><subject>elasmobranch</subject><subject>Environmental planning</subject><subject>essential fish habitat</subject><subject>Fisheries</subject><subject>Fisheries management</subject><subject>Fishery management</subject><subject>Hatching</subject><subject>Islands</subject><subject>Juveniles</subject><subject>Marine fishes</subject><subject>Marine protected areas</subject><subject>Marine resources</subject><subject>northeast Atlantic</subject><subject>Nurseries</subject><subject>Nursery grounds</subject><subject>Offshore</subject><subject>Rajidae</subject><subject>Rajiformes</subject><subject>Relative abundance</subject><subject>Spatial planning</subject><subject>Spawning</subject><subject>Species</subject><subject>trawl surveys</subject><issn>1052-7613</issn><issn>1099-0755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1kMtOwzAQRS0EEqUg8QmW2JRFip04Tr0sFY9KlRCorK2JH6lDSVo7AfXvcShbVnNndGZGOghdUzKlhKR3sFdTRpk4QSNKhEhIkeenQ87TpOA0O0cXIdSEEMEpHyFYbwzWLnTelX3n2ga3FndxVvdfpnFbg0MHlQkYGo1NVSkIsYlM-IAupskb1E6DucXg2z4yw-69d50LG7wMWxMu0ZmFbTBXf3WM3h8f1ovnZPXytFzMV4lKcyYSTcAC04KWBEgmFKQ0ZYZYyk1ONbNWGW7zXFmtSlMWlBazmdYcGGNEGEWzMbo53t35dt-b0Mm67X0TX8qMMM4Fo1xEanKklG9D8MbKnXef4A-SEjkIlFGgHARGNDmi31HD4V9Ozl8Xv_wPPp5x_A</recordid><startdate>202404</startdate><enddate>202404</enddate><creator>Ellis, Jim R.</creator><creator>Gordon, Cat A.</creator><creator>Allen, Harriet L.</creator><creator>Silva, Joana F.</creator><creator>Bird, Christopher</creator><creator>Johnston, Graham</creator><creator>O'Connor, Bríd</creator><creator>McCully Phillips, Sophy R.</creator><creator>Hood, Ali</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TN</scope><scope>7U9</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H94</scope><scope>H95</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-8851-7965</orcidid><orcidid>https://orcid.org/0000-0001-5108-2032</orcidid><orcidid>https://orcid.org/0000-0003-3353-9312</orcidid><orcidid>https://orcid.org/0000-0002-2897-1410</orcidid><orcidid>https://orcid.org/0000-0003-3110-5916</orcidid></search><sort><creationdate>202404</creationdate><title>The distribution of the juvenile stages and eggcases of skates (Rajidae) around the British Isles</title><author>Ellis, Jim R. ; 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Data on the distribution, relative abundance and length composition of skates were collated from scientific trawl surveys, and based on length‐frequency information, length‐at‐hatching and length‐at‐maturity, skates were allocated to length‐based categories representing early‐juvenile stages (EJS) and mid‐juvenile stages (MJS).
Citizen science data were used to inform on the occurrence of eggcases. The Great Eggcase Hunt (starting in 2003) citizen science recording project collects georeferenced data for elasmobranch eggcases, primarily from around the British Isles. This provided verified species‐specific data for a total of 227,407 specimens from 11 skate species. Purse Search Ireland (starting in 2005) provided a further 2491 records of 10 skate species from around Ireland.
The most frequently observed skate eggcases were from the genus Raja and occurred around much of the British Isles. The EJS and MJS of such species were observed most frequently in inshore waters. Data for EJS were more limited for Raja microocellata and Raja undulata, indicating that the EJS of these species occur in shallower (<20 m) waters.
Juveniles of the genus Leucoraja occurred further offshore. Only the eggcases of Leucoraja naevus were recorded regularly, with the eggcase of Leucoraja fullonica described here.
The data collated here provide an overview of skate spawning and nursery areas, thus informing fisheries management and marine spatial planning, including the identification and delineation of Important Shark and Ray Areas (ISRAs).</abstract><cop>Oxford</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/aqc.4149</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0002-8851-7965</orcidid><orcidid>https://orcid.org/0000-0001-5108-2032</orcidid><orcidid>https://orcid.org/0000-0003-3353-9312</orcidid><orcidid>https://orcid.org/0000-0002-2897-1410</orcidid><orcidid>https://orcid.org/0000-0003-3110-5916</orcidid></addata></record> |
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| identifier | ISSN: 1052-7613 |
| ispartof | Aquatic conservation, 2024-04, Vol.34 (4), p.n/a |
| issn | 1052-7613 1099-0755 |
| language | eng |
| recordid | cdi_proquest_journals_3046694169 |
| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Benthos collecting devices citizen science elasmobranch Environmental planning essential fish habitat Fisheries Fisheries management Fishery management Hatching Islands Juveniles Marine fishes Marine protected areas Marine resources northeast Atlantic Nurseries Nursery grounds Offshore Rajidae Rajiformes Relative abundance Spatial planning Spawning Species trawl surveys |
| title | The distribution of the juvenile stages and eggcases of skates (Rajidae) around the British Isles |
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