| amphibian commerce as a likely source of pathogen pollution. | the commercial trade of wildlife occurs on a global scale. in addition to removing animals from their native populations, this trade may lead to the release and subsequent introduction of nonindigenous species and the pathogens they carry. emerging infectious diseases, such as chytridiomycosis caused by the chytrid fungus batrachochytrium dendrobatidis (bd), and ranaviral disease have spread with global trade in amphibians and are linked to amphibian declines and die-offs worldwide, which sugges ... | 2008 | 18717688 |
| stability and permanence in gender- and stage-structured models for the boreal toad. | the boreal toad bufo boreas boreas, once common in the western usa, is listed as an endangered species in colorado and new mexico, and protected in wyoming. populations have dramatically declined due to the presence of the fungal pathogen batrachochytrium dendrobatidis (bd). a gender- and stage-structured model for the boreal toad is formulated which depends on its life cycle and breeding strategies. in addition, an epizootic model for the spread of bd is formulated. analysis of these models pro ... | 2011 | 22877227 |