Under the impact of introduced dogs, cats and off-road vehicles on many Australian beaches, their numbers are in serious decline.
Unfortunately, many species just cannot adapt fast enough to our changing environment, be it global warming, habitat destruction or the impact of introduced species.
The studies have focused on alpine and subalpine lakes in the West because most were historically fishless and they are simpler, more fragile ecosystems where the impact of introduced trout tends to be more drastic than at lower-elevation waters.
The study of parasitism related to biological invasion has focused on attributes and impacts of parasites as invaders and the impact of introduced hosts on endemic parasitism.
Dupont, Y. L., Hansen, D. M., Valido, A. & Olesen, J. M. Impact of introduced honey bees on native pollination interactions of the endemic Echium wildpretii (Boraginaceae) on Tenerife, Canary Islands.
Well-intentioned government policies to protect their interests were rarely given practical effect, and the combined impact of introduced diseases, loss of land, and falling fertility rates accelerated the decline in numbers.
