In fisheries population dynamics natural mortality is denoted by (M).
There are two basic approaches used to estimate natural mortality: tagging studies and growth parameters.
This death is usually partitioned into catch by fisheries and natural mortality.
It is a condition, therefore, which has a considerable natural mortality.
Eventually, fire, disease, a shortage of nutrients or natural mortality will wipe out the species in a given patch.
In due course the numbers will be drastically reduced by natural mortalities, disease and predators being the chief causes.
Once again natural mortality was thinning the ranks of those I loved the most.
He insists that the death one suffers as punishment for Adam's sin is different from the universal mortality natural to all living species.
Because there are no clear cut marks, except a few burning signs on the bear bones, they probably accumulated through natural mortality.
Weakfish stocks have been low in recent years due to fishing and natural mortality increasing.