age class


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Age Class

A term defined in ecology as a group of individuals of the same age within a species. A similar “taxonomic” device has evolved in medicine, where large blocks of patients are divided by age and treated by the appropriate specialist—neonatologist, pediatrician, and adolescent medicine specialist in the beginning of life, and geriatrician at the end of life.

age class

Medtalk A term defined in ecology as a group of individuals of a species with the same age
References in periodicals archive ?
The N0 parameter is a general snail abundance value, and this analysis was done using separate snail abundance values by age class.
length + width) and shape could be used to distinguish age class and to test our ability to determine age class by visual assessment of pellet size and morphology in the field.
Deer in northern Missouri, where most of the land is crop fields, average a much heavier body weight and larger antler sizes for the same age class than deer in the southwestern corner of the state.
The third of these three trios, on Meeman, comprised only females, and all were first captured at age class 2 within one session of each other, with two of them first captured within 2 days of each other and last captured within 10 days of each other.
Due to a high number of samples that fell below detection limits, Al, Cd, and Ni concentrations were examined using Fisher's exact tests in the program R (R Development Core Team 2008) to compare the proportion of detected and non-detected samples by age class and region.
From our results, we established up to a total of 8+ age class (the age class is the maximum length attainment in certain age group as detected through the back calculation method).
age class (wear) for individuals was not significant (y = 2.
Even with today's management mentality being drilled into us, statistically, few bucks ever live past this age class, accounting for the majority of racked bucks taken across the United States.
If only the soil surface had been sampled, then the two oldest age classes may have also shown a significant increase in SOM from the earliest age class.