Survival, maturity and fertility parameter values for harbour seals.
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Adult and juvenile survival scalar, maturity scalar and fertility rates derived from all the harbor seal (Phoca vitulina richardii (Gray., 1864)) models. Italicized values are parameters that the models estimated. For the % change multipliers under the Reproduction and Survival Senescence Linked (RSSL) models, we used mean fertilities and adult survival over ages and time periods because these were non-linear functions of age and time. 95% confidence limits calculated via the hessian are in parenthesis. The non-RSSL models multiplied percentage change scalars directly with the Leslie matrix elements to affect changes over time while the RSSL changed Sx which consequently changed the Leslie matrix elements.
本数据集源自所有港海豹(*Phoca vitulina richardii (Gray, 1864)*)模型推导得到的成体与幼体生存标量、成熟度标量及繁殖率。其中斜体数值为模型估算得到的参数。针对繁殖与生存衰老关联(Reproduction and Survival Senescence Linked, RSSL)模型下的百分比变化乘数,鉴于繁殖率与成体生存概率为年龄与时间的非线性函数,我们采用了跨年龄与时间周期的平均繁殖率及成体生存概率。通过黑塞(Hessian)矩阵计算得到的95%置信限置于括号内。非RSSL模型通过将百分比变化标量与莱斯利(Leslie)矩阵元素直接相乘,以实现随时间的动态变化;而RSSL模型则通过修改Sx(生存标量),进而改变莱斯利矩阵的元素。



