Revenue loss due to whale entanglement mitigation and fishery closures
Abstract Whale entanglements with fishing gear, exacerbated by changing environmental conditions, pose significant risk to whale populations. Management tools used to reduce entanglement risk, for example temporary area restrictions on fishing, can have negative economic consequences for fishing com...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2022-12-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-022-24867-2 |
| _version_ | 1797980384171917312 |
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| author | Rachel Seary Jarrod A. Santora Desiree Tommasi Andrew Thompson Steven J. Bograd Kate Richerson Stephanie Brodie Dan Holland |
| author_facet | Rachel Seary Jarrod A. Santora Desiree Tommasi Andrew Thompson Steven J. Bograd Kate Richerson Stephanie Brodie Dan Holland |
| author_sort | Rachel Seary |
| collection | DOAJ |
| description | Abstract Whale entanglements with fishing gear, exacerbated by changing environmental conditions, pose significant risk to whale populations. Management tools used to reduce entanglement risk, for example temporary area restrictions on fishing, can have negative economic consequences for fishing communities. Balancing whale protection with sustaining productive fisheries is therefore a challenge experienced worldwide. In the California Current Ecosystem, ecosystem indicators have been used to understand the environmental dynamics that lead to increased whale entanglement risk in a lucrative crab fishery. However, an assessment of socio-economic risk for this fishery, as in many other regions, is missing. We estimate retrospectively the losses from ex-vessel revenue experienced by commercial Dungeness crab fishers in California during two seasons subject to whale entanglement mitigation measures using a Linear-Cragg hurdle modeling approach which incorporated estimates of pre-season crab abundance. In the 2020 fishing season, our results suggest total revenues would have been $14.4 million higher in the Central Management Area of California in the absence of closures and other disturbances. In the 2019 fishing season, our results suggest ex-vessel revenues would have been $9.4 million higher in the Central Management Area and $0.3 million higher in the Northern Management Area. Our evaluation should motivate the development of strategies which maximize whale protection whilst promoting productive, sustainable and economically-viable fisheries. |
| first_indexed | 2024-04-11T05:54:36Z |
| format | Article |
| id | doaj.art-9bcf18e96ace44a0afd891e802fb255f |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-04-11T05:54:36Z |
| publishDate | 2022-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-9bcf18e96ace44a0afd891e802fb255f2022-12-22T04:41:58ZengNature PortfolioScientific Reports2045-23222022-12-0112111310.1038/s41598-022-24867-2Revenue loss due to whale entanglement mitigation and fishery closuresRachel Seary0Jarrod A. Santora1Desiree Tommasi2Andrew Thompson3Steven J. Bograd4Kate Richerson5Stephanie Brodie6Dan Holland7Institute of Marine Sciences, University of CaliforniaFisheries Ecology Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric AdministrationInstitute of Marine Sciences, University of CaliforniaFisheries Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric AdministrationInstitute of Marine Sciences, University of CaliforniaFishery Resource Analysis and Monitoring Division, Northwest Fisheries Science CenterInstitute of Marine Sciences, University of CaliforniaConservation Biology Division, Northwest Fisheries Science CenterAbstract Whale entanglements with fishing gear, exacerbated by changing environmental conditions, pose significant risk to whale populations. Management tools used to reduce entanglement risk, for example temporary area restrictions on fishing, can have negative economic consequences for fishing communities. Balancing whale protection with sustaining productive fisheries is therefore a challenge experienced worldwide. In the California Current Ecosystem, ecosystem indicators have been used to understand the environmental dynamics that lead to increased whale entanglement risk in a lucrative crab fishery. However, an assessment of socio-economic risk for this fishery, as in many other regions, is missing. We estimate retrospectively the losses from ex-vessel revenue experienced by commercial Dungeness crab fishers in California during two seasons subject to whale entanglement mitigation measures using a Linear-Cragg hurdle modeling approach which incorporated estimates of pre-season crab abundance. In the 2020 fishing season, our results suggest total revenues would have been $14.4 million higher in the Central Management Area of California in the absence of closures and other disturbances. In the 2019 fishing season, our results suggest ex-vessel revenues would have been $9.4 million higher in the Central Management Area and $0.3 million higher in the Northern Management Area. Our evaluation should motivate the development of strategies which maximize whale protection whilst promoting productive, sustainable and economically-viable fisheries.https://doi.org/10.1038/s41598-022-24867-2 |
| spellingShingle | Rachel Seary Jarrod A. Santora Desiree Tommasi Andrew Thompson Steven J. Bograd Kate Richerson Stephanie Brodie Dan Holland Revenue loss due to whale entanglement mitigation and fishery closures Scientific Reports |
| title | Revenue loss due to whale entanglement mitigation and fishery closures |
| title_full | Revenue loss due to whale entanglement mitigation and fishery closures |
| title_fullStr | Revenue loss due to whale entanglement mitigation and fishery closures |
| title_full_unstemmed | Revenue loss due to whale entanglement mitigation and fishery closures |
| title_short | Revenue loss due to whale entanglement mitigation and fishery closures |
| title_sort | revenue loss due to whale entanglement mitigation and fishery closures |
| url | https://doi.org/10.1038/s41598-022-24867-2 |
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