Abstract—
Based on the data on the abundance of 53 generations of pink salmon Oncorhynchus gorbuscha of Iturup Island (spawners on spawning grounds, downstream migrating juveniles and the return of mature fish), a model describing the dependence of the abundance of mature pink salmon offspring on the initial abundance of generations and the effect of external factors was constructed using nonlinear regression analysis. The model explains about 80% of the replenishment variability, and it depends more on the effect of external factors in the freshwater period of life. The variability of replenishment is most closely related to factors related to the hydrological regime of rivers. The dependence of replenishment on the abundance of juveniles migrating downstream from spawning grounds, described by the dome-shaped curve, indicates the limiting effect of density factors on the formation of the abundance of pink salmon during the marine period of life. At the same time, a statistically significant effect of the abundance of juveniles released from fish hatcheries on the dynamics of the replenishment was not found.
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REFERENCES
Brodskii, K.A., Plankton in the northwestern part of the Kuro-Sio and the Kuril waters of the Pacific Ocean, Tr. Inst. Okeanogr. Akad. Nauk SSSR, 1955, vol. 18, pp. 124–133.
Brodskii, K.A., Zooplankton in the sea waters of southern Sakhalin and the southern Kuril Islands, Issled. Dal’nevost. Morei SSSR, 1959, no. 6, pp. 6–46.
Bugaev, A.V. and Tepnin, O.B., Assessment of the influence of some climatic factors on the abundance of Asian stocks of pink salmon and chum salmon, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2011, vol. 166, pp. 67–87.
Bugaev, A.V., Fel’dman, M.G., Tepnin, O.B., and Koval’, M.V., Water surface temperature anomalies in the western part of the northern Pacific as a potential climatic predictor for forecasting the abundance of Pacific salmon in Kamchatka, Vopr. Rybolovstva, 2021, vol. 22, no. 4, pp. 46–62. https://doi.org/10.36038/0234-2774-2021-22-4-46-62
Chebanova, V.V., Frenkel’, S.E., Zelenikhina, G.S., Relation of feeding in juvenile chum salmon (Oncorhynchus keta) and pink salmon (O. gorbuscha) to abundance of zooplankton in coastal waters of the Prostor Bay (Iturup Island), J. Ichthyol., 2018, vol. 58, no. 5, pp. 741–750. https://doi.org/10.1134/S0032945218050041
Chupakhin, V.M., Natural reproduction of the South Kuril pink salmon, Tr. VNIRO, 1975, vol. 106, pp. 67–77.
Chupakhin, V.M., Conditions for the formation of the abundance of generations of pink salmon on Iturup Island (Kuril Islands), Tez. dokl. III Vsesoyuz. nauch. konf. po problemam promyslovogo prognozirovaniya (dolgosrochnye aspekty) (Abstr. Rep. 3rd All-Union Sci. Conf. on Problems of Fishery Forecasting (Long-Term Aspects)), Murmansk: Polyar. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 1986, pp. 165–166.
Draper, N.R. and Smith, H., Applied Regression Analysis, New York: Wiley-Interscience, 2007.
Efanov, V.N., Zakirova, Z.M., Kaev, A.M., et al., Thermal regime of waters and composition of zooplankton in the Sea of Okhotsk coast of Iturup Island during the feeding period of juvenile salmon, in Biologiya morskogo planktona (Biology of Marine Plankton), Vladivostok: Dal’nevost. Otdel. Akad. Nauk SSSR, 1990, pp. 53–61.
Glubokovskii, M.K., Evolyutsionnaya biologiya lososevykh ryb (Evolutionary Biology of Salmonids), Moscow: Nauka, 1995.
Gritsenko, O.F. and Klovach, N.V., Regions of optimal reproduction of pink salmon, NPAFC Bull., 1998, no. 1, pp. 405–411.
Kaev, A.M., Methodological aspects of quantitative accounting of downstream salmon fry in the rivers of the Sakhalin-Kuril Region, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2010, vol. 162, pp. 194–206.
Kaev, A.M., Estimation of the effectiveness of forecasting and management of the pink salmon fishery in the Sakhalin-Kuril region, Ibid., 2011, vol. 167, pp. 32–53.
Kaev, A.M., Wild and hatchery reproduction of pink and chum salmon and their catches in the Sakhalin-Kuril Region, Russia, Environ. Biol. Fish, 2012, vol. 94, no. 1, pp. 207–218. https://doi.org/10.1007/s10641-011-9900-5
Kaev, A.M., Reduction of the abundance of pink salmon (Oncorhynchus gorbuscha) in the Sakhalin-Kuril Region as a result of extreme environmental factors, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2018, vol. 192, pp. 3–14. https://doi.org/10.26428/1606-9919-2018-192-3-14
Kaev, A.M., Features of the growth of pink salmon Oncorhynchus gorbuscha in generations with different levels of survival in the marine period of life, Ibid., 2021, vol. 201, no. 1, pp. 62–75. https://doi.org/10.26428/1606-9919-2021-201-62-75
Kaev, A.M., Features of the fishery and indicators of reproduction of pink salmon Oncorhynchus gorbuscha of Iturup Island (Kuril Islands), Ibid., 2022, vol. 202, no. 1, pp. 71–91. https://doi.org/10.26428/1606-9919-2022-202-71-91
Kaev, A.M. and Chupakhin, V.M., Early marine period of life of pink salmon Oncorhynchus gorbuscha and chum salmon Oncorhynchus keta of Iturup Island, Tr. Sakh. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2002, vol. 4, pp. 116–132.
Kaev, A.M. and Chupakhin, V.M., Dynamics of schools of pink salmon Oncorhynchus gorbuscha of Iturup Island (Kuril Islands), J. Ichthyol., 2003, vol. 43, no. 6, pp. 769–779.
Kaev, A.M., Dzen, G.N., Sukhonos, P.S., and Bobrov, I.S., Estimation of the abundance of downstream pink salmon fry in the rivers of Sakhalin and Iturup Islands in 2019, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2020, vol. 200, no. 1, pp. 82–100. https://doi.org/10.26428/1606-9919-2020-200-82-100
Kaev, A.M. and Ignat’ev, Yu.I., Development of hatchery breeding of Pacific salmon in the Sakhalin-Kuril region and its significance for the fishery, Tr. VNIRO, 2015, vol. 153, pp. 95–104.
Kaev, A.M., Romasenko, L.V., and Kaev, D.A., On the issue of efficiency of large-scale hatchery rearing of chum salmon (Oncorhynchus keta, Walbaum, 1792) on Iturup Island, Kuril Islands, Russ. J. Mar. Biol., 2021, vol. 47, no. 6, pp. 470–479. https://doi.org/10.1134/S1063074021060079
Kalnay, E., Kanamitsu, M., Kistler, R., et al., The NCEP/NCAR 40-year reanalysis project, Bull. Amer. Meteor. Soc., 1996, vol. 77, no. 3, pp. 437–472. https://doi.org/10.1175/1520-0477(1996)077<0437:TNY-RP>2.0.CO;2
Karpenko, V.I., Rannii morskoi period zhizni tikhookeanskikh lososei (Early Marine Life of Pacific Salmon), Moscow: VNIRO, 1998.
Khorevin, L.D., Importance of salmon breeding to maintain their stocks in Sakhalin oblast, Mater. V Vseros. soveshch. “Sistematika, biologiya i biotekhnika razvedeniya lososevykh ryb” (Proc. 5th All-Russ. Meeting “Systematics, Biology and Biotechnics of Salmon Fish Breeding”), St. Petersburg: Gos. Nauchno-Issled. Inst. Ozern. Rechn. Rybn. Khoz., 1994, pp. 204–206.
Klyashtorin, L.B., Climate Change and Long-Term Fluctuations of Commercial Catches: The Possibility of Forecasting, FAO Fish. Techn. Pap., no. 410, Rome: FAO, 2001.
Klyashtorin, L.B. and Lyubushin, A.A., Tsiklicheskie izmeneniya klimata i ryboproduktivnosti (Cyclical Changes in Climate and Fish Productivity), Moscow: VNIRO, 2005.
Konovalov, S.M., Factors limiting the abundance and biomass of Pacific salmon, in Biologicheskie issledovaniya lososevykh (Biological Studies of Salmonids), Vladivostok: Dal’nevost. Nauchn. Tsentra Akad. Nauk SSSR, 1985, pp. 5–25.
Konovalov, S.M., Parent-offspring relationship in animal dynamics (subpopulation level), Zh. Obshch. Biol., 1989, vol. 50, no. 5, pp. 632–645.
Kotenev, B.N., Bogdanov, M.A., Krovnin, A.S., and Muryi, G.P., Climate change and dynamics of Far Eastern salmon catch, Vopr. Promysl. Okeanol., 2010, no. 7, no. 1, pp. 60–92.
Kotenev, B.N., Krovnin, A.S., Klovach, N.V., et al., Influence of climatic and oceanological factors on the state of the main stocks of pink salmon in 1950–2015, Tr. VNIRO, 2015, vol. 158, pp. 143–161.
Levanidov, V.Ya., On the relationship between the filling density of spawning grounds and the spawning efficiency of Amur salmon, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 1964, vol. 55, pp. 65–73.
Levanidov, V.Ya., Reproduction of Amur salmons and the food base of their juveniles in the tributaries of the Amur, Ibid., 1969, vol. 67, p. 243.
Maksimenko, V.P. and Antonov, N.P., Kolichestvennye metody otsenki rybnykh zapasov (Quantitative Methods for Estimating Fish Stocks), Petropavlovsk-Kamchatskii: Kamchat. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2003.
Morita, K., Morita, Sh., and Fukuwaka, M., Population dynamics of Japanese pink salmon (Oncorhynchus gorbuscha): Are recent increases explained by hatchery programs or climatic variations?, Can. J. Fish. Aquat. Sci., 2006, vol. 63, no. 1, pp. 55–62. https://doi.org/10.1139/f05-207
Naletova, I.A., Sapozhnikov, V.V., Metreveli, M.P., Features of the distribution of primary production in the summer period and assessment of total production in the Sea of Okhotsk, in Kompleksnye issledovaniya ekosistemy Okhotskogo morya (Comprehensive Studies of the Ecosystem of the Sea of Okhotsk), Moscow: VNIRO, 1997, pp. 98–103.
Nikol’skii, G.V., Teoriya dinamiki stada ryb (Theory of Fish Herd Dynamics), Moscow: Pishch. Prom-st, 1974.
Ostrovskii, V.I., Stock, recruitment, and abundance dynamics of sub-isolates of the sockeye salmon Oncorhynchus nerka in Lake Azabache, Vopr. Ikhtiol., 1995, vol. 35, no. 5, pp. 613–620.
Ostrovskii, V.I., Factors affecting the abundance of downstream juveniles of Pacific salmon, Chteniya Pamyati V.Ya. Levanidova, 2014, no. 6, pp. 501–508.
Ostrovskii, V.I., Patterns of reproduction of pink salmon Oncorhynchus gorbuscha of the Iska River, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2018, vol. 194, pp. 54–67. https://doi.org/10.26428/1606-9919-2018-194-54-67
Ostrovskii, V.I. and Ponomarev, S.D., Dependence of the abundance of descendants of pink salmon Oncorhynchus gorbusha on the abundance of parents in the rivers of the Okhotsk region, Ibid., 2009, vol. 157, pp. 120–132.
Ostrovskii, V.I. and Ponomarev, A.S., Dependence of the abundance of descendants of chum salmon Oncorhynchus keta in the Okhotsk region on the abundance of parents and reproduction conditions, Ibid., 2020, vol. 200, no. 3, pp. 605–617. https://doi.org/10.26428/1606-9919-2020-200-605-617
Pollard, J., A Handbook of Numerical and Statistical Techniques, Cambridge: Cambridge Univ. Press, 1977.
Radchenko, V.I., State of stocks and fisheries of pink salmon Oncorhynchus gorbuscha and chum salmon O. keta (Salmonidae, Salmoniformes) in areas of their mass artificial reproduction, Vopr. Rybolovstva, 2021, vol. 22, no. 4, pp. 140–181. https://doi.org/10.36038/0234-2774-2021-22-4-140-181
Rassashko, I.F. and Kaigorodov, N.E., Qualitative and quantitative composition of planktonic pigments in the area of the Kuril Islands and the northwestern part of the Pacific Ocean, in Fauna pribrezhnykh zon Kuril’skikh ostrovov (Fauna of the Coastal Zones of the Kuril Islands), Moscow: Nauka, 1977, pp. 5–14.
Riker, U.E., Metody otsenki i interpretatsiya biologicheskikh pokazatelei populyatsii ryb (Methods for Assessing and Interpreting Biological Indicators of Fish Populations), Moscow: Pishch. Prom-st, 1979.
Romanchuk, E.D., Interaction of mixed populations of pink salmon of artificial and natural reproduction in the Sakhalin-Kuril basin, Sb. nauch. dokl. konf. “Voprosy vzaimodeistviya estestvennykh i iskusstvennykh populyatsii lososei” (Coll. Sci. Rep. Conf. “Issues of Interaction between Natural and Artificial Salmon Populations”), Khabarovsk: Khabar. Otd. TINRO-Tsentra, 2000, pp. 96–102.
Ryby Kuril’skikh ostrovov (Fishes of the Kuril Islands), Moscow: VNIRO, 2012.
Shevlyakov, E.A., Shubkin, S.V., Dubynin, V.A., et al., Methods for accounting for spawners of Pacific salmon in spawning grounds and migration routes to them, in Byul. no. 8 Izucheniya tikhookeanskikh lososei na Dal’nem Vostoke (Bulletin No. 8 of the Study of Pacific Salmons of the Far East), Vladivostok: TINRO-Tsentr, 2013, pp. 36–57.
Shuntov, V.P., Biologiya dal’nevostochnykh morei Rossii (Biology of the Far Eastern Seas of Russia), Vladivostok: TINRO-tsentr, 2001, vol. 1.
Stekol’shchikova, M.Yu., Some results of monitoring of hatchery stocks of pink salmon in Aniva Bay (Sakhalin Island), Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 2015, vol. 183, pp. 51–60. https://doi.org/10.26428/1606-9919-2015-183-51-60
Uda, M., Oceanography of the subarctic Pacific Ocean, J. Fish. Res. Board Can., 1963, vol. 20, no. 1, pp. 119–179. https://doi.org/10.1139/f63-011
Volovik, S.P., Accounting methods and some features of the behavior of downstream pink salmon fry in Sakhalin rivers, Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., 1967, vol. 61, pp. 104–117.
ACKNOWLEDGMENTS
We are grateful to V.М. Chupakhin who laid the foundations for studying the reproduction of pink salmon on the Iturup Island as annual monitoring.
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Ostrovskiy, V.I., Kaev, A.M. Factors Determining the Replenishment of Pink Salmon Oncorhynchus gorbuscha (Salmonidae) on Iturup Island. J. Ichthyol. 63, 546–558 (2023). https://doi.org/10.1134/S0032945223030116
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DOI: https://doi.org/10.1134/S0032945223030116