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English, K. K., & Bocking, R. C. (1992). A Robust Procedure for Estimating Salmon Escapement based on the Area-Under-the-Curve Method (Vol. 49).
Schlüsselwörter: Fischerei, population, wachstum, methode, mathematik, theorie
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Thompson, K. R., & Page, F. H. (1989). Detecting Synchrony of Recruitment using Short, Autocorrelated Time Series (Vol. 46).
Schlüsselwörter: Fischerei, statistik, methode, zeitreihe
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Richards, L. J., Schnute, J. T., Kronlund, A. R., & Beamish, R. J. (1801). Statistical Models for the Analysis of Ageing Error (Vol. 49).
Schlüsselwörter: Fischerei, population, alter, lÄngenfrequenz, statistik, methode, mathematik
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Richards, L. J., & Schnute, J. T. (1992). Statistical Models for Estimating CPUE from Catch and Effort Data (Vol. 49).
Schlüsselwörter: Fischerei, cpue, methode, statistik, modell
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Weisberg, S. (1993). Using Hard-part Increment Data to Estimate Age and Environmental Effects. Can. J. Fish. Aquat. Sci., 50, 1229?1237.
Schlüsselwörter: Fisch, Alter, Methode, Altersbestimmung, Statistik, Mathematik, Schuppe, Knochenstruktur
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Eckmann, R., Gaedke, U., & Wetzlar, H. J. (1988). Effects of Climatic and Density-Dependent Factors on Year-Class Strength of Coregonus lavaretus in Lake Constance (Vol. 45).
Zusammenfassung: The influences of density-dependent and density-independent factors on year-class strength (YCS) of Corogonus lavaretus in Lake Constance were studied by multiple linear regression analyses for the period from 1962 to 1982. Meteorological conditions that lead to early thermal stratification of the lake in April are of prime importance for YCS and account for 41% of the total YCS variance. Zooplankton concentration during spring has no significant influence on YCS. The extensive stocking program on the lake (50-200 million larvae stocked per year) significantly supports YCS, but this relationship becomes apparent only after the influence of meteorological conditions are removed from the data.
Schlüsselwörter: Fischerei, zeitreihe, modell, statistik
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Ricker, W. E. (1992). Back-Calculation of Fish Lengths Based on Proportionality between Scale and Length Increments (Vol. 49).
Schlüsselwörter: Fischerei, statistik, methode, wachstum
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Schnute, J. (1987). A General Fishery Model for a Size-Struktured Fish Population (Vol. 44).
Schlüsselwörter: LÄngenfrequenz, population, methode, theorie, mathematik, statistik, fisch
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McGarvey, R. (1994). An age-structured open-access fishery model (Vol. 51).
Zusammenfassung: A dynamic model for open-access fisheries is presented. In addition to density dependence in recruitment and fishing effort changing in proportion to the level of profit fishermen earn which characterizes previous open-access models, it incorporates full age structure for the fish stock, lognormal environmental recruitment variability, and gear selectivity. The predator-prey cycling solution of the original Schaefer dynamic model, and subsequent open-access models, persists for these model extensions. Density dependence in recruitment induces greater global stability. Environmental recruitment variability, common in marine populations, is destabilizing in the neighborhood of the open-access equilibrium. Approximating model steady states of effort and catch by the corresponding averages from data time series underlies a new algorithm of parameter evaluation, applied here to an open-access model of the Georges Bank sea scallop (Placopecten magellanicus) fishery.
Schlüsselwörter: modell, statistik, population, dynamik, algorithmus
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Wood, C. C., McKinnell, S., Mulligan, T. J., & Fournier, D. A. (1987). Stock Identification with the Maximum-Likelihood Mixture Model: Sensitivity Analysis and Application to Complex Problems (Vol. 44).
Schlüsselwörter: Simulation, fischerei, methode, mathematik, statistik, modell, theorie, fisch
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