Trend in population number and distribution of spotted tree frog (Litoria spenceri)

Spotted tree frog (Litoria spenceri) populations have been declining due to the infectious disease chytridiomycosis and introduction of predatory fish, specifically the brown trout (Salmo trutta) and rainbow trout (Onchorhynchus mykiss) predating on tadpoles.
Region: 
Victoria
Measures: 
Population abundance and distribution