This paper studies the, codimension-3, Boundary-Hopf-Fold (BHF) bifurcation of planar Filippov systems. Filippov systems consist of at least one discontinuity boundary locally separating the phase space to disjoint components with different dynamics. Such systems find applications in several fields, for example, mechanical and electrical engineering, and ecology. The BHF bifurcation appears in ...

The growth function of populations is central in biomathematics. The main dogma is the existence of density dependence mechanisms, which can be modelled with distinct functional forms that depend on the size of the population. One important class of regulatory functions is the θ-logistic, which generalises the logistic equation. Using this model as a motivation, this paper introduces a simple d...

Spate irrigation is increasingly recognized as contributing to potential of accessible water-resource use, local food production, and resource sustainability. This study constructs an approach to spate irrigation as a landscape technology by selectively fusing concepts of resilience ecology, political ecology, and actor-network theory. It is applied to a case study of the Calicanto area (Cochab...

The habitat association approach has been increasingly used in ecology to resolve problems in wildlife conservation and management. One problem related to habitat association studies is that they are restricted to small geographical areas within a species’ range, and thus they are applicable to only a limited set of environmental conditions utilized by the species. In addition, very few studies...

Coyne, J. A., and H. A. Orr. . Speciation. Sunderland, MA: Sinauer. Mayr, E. . Animal species and evolution. Boston: Belknap. Templeton, A. R. . Mechanisms of speciation: a population genetics approach. Annual Review of Ecology and Systematics : –. Whitlock, M. C., and K. Fowler. . The changes in genetic and environmental variance with inbreeding in Drosophila melanogaster...

The search for mechanisms behind spatial population synchrony is currently a major issue in population ecology. Theoretical studies highlight how synchronizing mechanisms such as dispersal, regionally correlated climatic variables and mobile enemies might interact with local dynamics to produce different patterns of spatial covariance. Specialized statistical methods, applied to large-scale sur...

A review and reappraisal of bats of the genus Eumops (Chiroptera: Molossidae) reveals that considerable geographic variation is present in the bonneted bat, E. glaucinus; it is a complex consisting of .1 species. Bonneted bats in Florida are significantly larger than those in all other populations, and have proportionally shorter and deeper basisphenoid pits, the glenoid fossa is broadly triang...

Behavioral ecology and ecology have projects in common. Community ecology can provide behavioral ecology with the tools to ask realistic questions about the current action of natural selection. Evolutionary ecology has moved beyond asking ‘‘Why does trait x contribute to reproductive success?’’ and on to ‘‘What are the conditions under which trait x contributes to reproductive success?’’ We nee...

Contents Introduction 2 Distribution 3 Abundance 6 Population dynamics 8 Brumby-running 11 Key management messages 13 References 14

A literature survey and the identification of all available collection material resulted in a checklist and distribution maps for the mayflies occurring in Flanders. In addition, the relationship between the occurrence of mayflies and water characteristics was analysed. Of the 32 species that have been recorded, six are now extinct in Flanders (three of which are potamal species), while the maj...