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Changes between Initial Version and Version 1 of EwEugCompensatoryNaturalMortality


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Timestamp:
2010-01-30 20:18:36 (10 years ago)
Author:
varunr
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  • EwEugCompensatoryNaturalMortality

    v1 v1  
     1== 3.15 Compensatory natural mortality == 
     2 
     3Compensatory changes in natural mortality rate (''M'') can be simulated by combining two effects: nonzero ‘Feeding time adjustment rate’ (set on the [wiki:GroupInfo Group info] form), and either high ''EE'' from Ecopath or high proportion of Mo due to predation (unexplained predation > 0).  With these settings, especially when [wiki:VulnerabilitiesFlowControl Vulnerabilities] of prey to a group are low, decreases in biomass lead to reduced feeding time, which leads to proportional reduction in natural mortality rate.