News News

Content with tag birds of prey .

How to plan reintroductions of long-lived birds

Reintroductions have been increasingly used for species restoration and it seems that this conservation tool is going to be more used in the future. Nevertheless, there is not a clear consensus about the better procedure for that, consequently a better knowledge of how to optimize this kind of management is needed. Here the dynamics of released long-lived bird populations (lesser kestrel, Falco naumanni, Bonelli's eagle Aquila fasciata, and bearded vulture Gypaetus barbatus) in object-oriented simulated reintroduction programs is examined. To do that, number of young per year and number of years of released necessary to achieve a successful reintroduced population were calculated. A successful reintroduction is defined as one in which when the probability of extinction during two times the maximum live-span period for the species (20, 50, and 64 years respectively) was less than 0.001 (P<0.001) and they showed a positive trend in population size (r>0.00). Results showed that a similar total number of young must be released in all the species in all the scenarios in order to get a successful reintroduction. Consequently, as more young per year are released the new population is going to be larger at the end of the simulations, the lesser the negative effects in the donor population and the lowest the total budget needed will be. Morandini and Ferrer (2017) How to plan reintroductions of long-lived birds. PLoS ONE 12(4) e0174186 https://doi.org/10.1371/journal.pone.0174186


http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0174186
Average (0 Votes)

— 1 Items per Page
Showing 1 - 1 of 2 results.

Latest News Latest News

Content with tag birds of prey .

How to plan reintroductions of long-lived birds

Reintroductions have been increasingly used for species restoration and it seems that this conservation tool is going to be more used in the future. Nevertheless, there is not a clear consensus...

The roles of raptors in a changing world

Birds of prey have been, in comparison to other avian groups, an uncommon study model. Nonetheless, they have attracted a strong interest from the point of view of conservation biology because many...