Interactions among invading species: transient hybridisation and rates of replacement
Grant number: DP140100608 | Funding period: 2014 - 2017
Habitats are often invaded sequentially by multiple species. Interactions between these invaders can potentially alter their rates of spread and eventual distributions. This project will combine experimental research and modelling to test specific hypotheses about the processes occurring as one species arrives in a region already containing a close relative and proceeds to replace it. It will use two sea rockets (Cakile sp.) currently invading Australia’s coastline is its focus. By determining the importance of such species interactions, the research will contribute to the development of better estimates of invasive species impacts, thereby improving decisions on their management.
Related publications (8)
Explaining the worldwide distributions of two highly mobile species: Cakile edentula and Cakile maritima
Elliot C Shaw, Rachael Fowler, Sara Ohadi, Michael J Bayly, Rosemary A Barrett, Josquin Tibbits, Allan Strand, Charles G Willis, Kathleen Donohue, Philipp Robeck, Roger D Cousens
Aim: If we are able to determine the geographic origin of an invasion, as well as its known area of introduction, we can better ap..
Inheritance of breeding system in Cakile (Brassicaceae) following hybridization: implications for plant invasions
Chengjun Li, Mohsen B Mesgaran, Peter K Ades, Roger D Cousens
BACKGROUND AND AIMS: Hybridization is commonly assumed to aid invasions through adaptive introgression. In contrast, a recent theo..
Why we do not expect dispersal probability density functions based on a single mechanism to fit real seed shadows
Roger D Cousens, Barry D Hughes, Mohsen B Mesgaran
Bullock et al. (Journal of Ecology 105:6‐19, 2017) have suggested that the theory behind the Wald Analytical Long Distance (WALD) ..
Neutral hybridization can overcome a strong Allee effect by improving pollination quality
Juliette Bouhours, Mohsen B Mesgaran, Roger D Cousens, Mark A Lewis
Small populations of plant species can be susceptible to demographic Allee effects mainly due to pollen limitation. Although sympa..
How to be a good neighbour: Facilitation and competition between two co-flowering species
Mohsen B Mesgaran, Juliette Bouhours, Mark A Lewis, Roger D Cousens
Empirical evidence suggests that co-flowering species can facilitate each other through shared pollinators. However, the extent to..
Hybridization can facilitate species invasions, even without enhancing local adaptation
Mohsen B Mesgaran, Mark A Lewis, Peter K Ades, Kathleen Donohue, Sara Ohadi, Chengjun Li, Roger D Cousens
The founding population in most new species introductions, or at the leading edge of an ongoing invasion, is likely to be small. S..
Genetic structure along the strandline: Unravelling invasion history in a one-dimensional system
Sara Ohadi, Peter K Ades, Rebecca Ford, Allan E Strand, Josquin Tibbits, Mohsen B Mesgaran, Roger D Cousens
Aim: To unravel the genetic processes involved in a case of invasion by one species, the self-incompatible Cakile maritima Scop. (..