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The per capita extirpation rates (E) were calculated similarly, except that in the place of immigration events we summed extirpation events.
On the other hand, because per capita extirpation (E) and imigration rates (I) are ratios, their time series were modelled as sequences of Gaussian variables described by two parameters (means and variances).
The splinting times and pulp extirpation prevalence are summarised.
Splinting prevalence and duration along with prevalence of pulp extirpation are summarised for each injury type.
These smaller colonies have a higher risk of extirpation than do larger colonies in more continuous habitats (Miller et al.
This phenomenon could lead to differences in reproductive success in colonies of urban and rural landscapes, ultimately leading to extirpation events of urban populations.
Our goals in this paper are to characterize the modern fish fauna of two reaches of the Rio Grande in the Albuquerque Basin, assess short-term faunal change, and consider long-term faunal changes with regard to chronology of settlement by humans and extirpations of native fish.
Only one of the missing natives (Rio Grande chub) and one of the missing extra-drainage nonnatives (black bullhead) were present in 1984, indicating that most extirpations and failed introductions occurred prior to then.