沼泽鸢的基本生活史模型

沼泽鸢的基本生活史模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveLand regions

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Chinese {{currentDetailLanguage}} Chinese

沼泽鸢的基本生活史模型

1)对于沼泽鸢的生活史,净繁殖率被计算为:

式中,是年龄类别为0(刚会飞的鸟)的个体存活到下一个年龄类别的概率;是年龄类别的存活雌鸟生产的雌性雏鸟的预期数量;的值来自于每年不同的第一年存活率和成体存活率的组合;计算中假定的值为0.833对应于任何不同的值,称为,其计算公式为

   1)一个种群的有限的增长率被定义为下面方程的单个的正实数根:

2)年龄段为的个体的再生产价值被定义为:

式中,对于年龄为1的沼泽鸢

 

    2)基本鸢生活史的修正:
   
这些修正包括发育时间和衰老。发育时间指性成熟或者第一次繁殖的年龄,定义为以年为单位的发育时间,且,则的一般方程变为:

同样,的更一般的方程为:

另外,鸢模型的衰老因子通过结合最大年龄而建立,大于这个值则不会有繁殖发生。结合了衰老因子的种群增长方程为:

 

衰老模型的新的生产价值方程为:

 

 

 

参考文献

   Nichols JDHensler G LSykes P W et al:沼泽鸢的种群统计学――种群控制的含义。Ecological Modelling19809

 

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How to Cite

《资源环境数学模型手册》 (2018). 沼泽鸢的基本生活史模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3238a227-eff4-4852-bcd4-c8fae0d735a9
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Last modifier : 
Kai Wu
Last modify time : 
2020-12-01
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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
Kai Wu
Last modify time : 
2020-12-01
Modify times : 
View History

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