Assessing the extinction risk of the spontaneous flora in urban tree bases.

ABSTRACT: As the spatial arrangement of trees planted along streets in cities makes their bases potential ecological corridors for the flora, urban tree bases may be a key contributor to the overall connectivity of the urban ecosystem. However, these tree bases are also a highly fragmented environment in which extinctions are frequent. The goal of this study was to assess the plant species' ability to survive and spread through urban tree bases. To do so, we developed a Bayesian framework to assess the extinction risk of a plant metapopulation using presence/absence data, assuming that the occupancy dynamics was described by a Hidden Markov Model. The novelty of our approach is to take into account the combined effect of low-distance dispersal and the potential presence of a seed bank on the extinct

SUBMITTER: Louvet A 

PROVIDER: S-EPMC11236206 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature