دورية أكاديمية
Non-stationary and interactive effects of climate and competition on pink salmon productivity.
| العنوان: | Non-stationary and interactive effects of climate and competition on pink salmon productivity. |
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| المؤلفون: | Ohlberger J; School of Aquatic and Fishery Sciences, University of Washington, Seattle, Washington, USA., Ward EJ; Conservation Biology Division, Northwest Fisheries Science Center, National Oceanic and Atmospheric Administration, Seattle, Washington, USA., Brenner RE; Division of Commercial Fisheries, Alaska Department of Fish and Game, Juneau, Alaska, USA., Hunsicker ME; Fish Ecology Division, Northwest Fisheries Science Center, National Oceanic and Atmospheric Administration, Newport, Oregon, USA., Haught SB; Division of Commercial Fisheries, Alaska Department of Fish and Game, Juneau, Alaska, USA., Finnoff D; Department of Economics, College of Business, University of Wyoming, Laramie, Wyoming, USA., Litzow MA; Alaska Fisheries Science Center, National Oceanic and Atmospheric Administration, Kodiak, Alaska, USA., Schwoerer T; Institute of Social and Economic Research, University of Alaska Anchorage, Anchorage, Alaska, USA., Ruggerone GT; Natural Resources Consultants, Inc, Seattle, Washington, USA., Hauri C; International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, Alaska, USA. |
| المصدر: | Global change biology [Glob Chang Biol] 2022 Mar; Vol. 28 (6), pp. 2026-2040. Date of Electronic Publication: 2021 Dec 24. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Blackwell Pub Country of Publication: England NLM ID: 9888746 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-2486 (Electronic) Linking ISSN: 13541013 NLM ISO Abbreviation: Glob Chang Biol Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Original Publication: Oxford, UK : Blackwell Science, 1995- |
| مواضيع طبية MeSH: | Salmon* , Seawater*, Animals ; Climate ; Fisheries ; Humans ; Hydrogen-Ion Concentration |
| مستخلص: | Pacific salmon (Oncorhynchus spp.) are exposed to increased environmental change and multiple human stressors. To anticipate future impacts of global change and to improve sustainable resource management, it is critical to understand how wild salmon populations respond to stressors associated with human-caused changes such as climate warming and ocean acidification, as well as competition in the ocean, which is intensified by the large-scale production and release of hatchery reared salmon. Pink salmon (O. gorbuscha) are a keystone species in the North Pacific Ocean and support highly valuable commercial fisheries. We investigated the joint effects of changes in ocean conditions and salmon abundances on the productivity of wild pink salmon. Our analysis focused on Prince William Sound in Alaska, because the region accounts for ~50% of the global production of hatchery pink salmon with local hatcheries releasing 600-700 million pink salmon fry annually. Using 60 years of data on wild pink salmon abundances, hatchery releases, and ecological conditions in the ocean, we find evidence that hatchery pink salmon releases negatively affect wild pink salmon productivity, likely through competition between wild and hatchery juveniles in nearshore marine habitats. We find no evidence for effects of ocean acidification on pink salmon productivity. However, a change in the leading mode of North Pacific climate in 1988-1989 weakened the temperature-productivity relationship and altered the strength of intraspecific density dependence. Therefore, our results suggest non-stationary (i.e., time varying) and interactive effects of ocean climate and competition on pink salmon productivity. Our findings further highlight the need for salmon management to consider potential adverse effects of large-scale hatchery production within the context of ocean change. (© 2022 The Authors. Global Change Biology published by John Wiley & Sons Ltd. This article has been contributed to by US Government employees and their work is in the public domain in the USA.) |
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| فهرسة مساهمة: | Keywords: climate; competition; density dependence; hatcheries; ocean acidification; population productivity; salmon |
| تواريخ الأحداث: | Date Created: 20211219 Date Completed: 20220224 Latest Revision: 20220731 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC9306875 |
| DOI: | 10.1111/gcb.16049 |
| PMID: | 34923722 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1365-2486 |
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| DOI: | 10.1111/gcb.16049 |