Wet Tropics Rainforests

Ten frog species disappeared from the upland rainforests of the Wet Tropics and Eungella during outbreaks of amphibian chytrid fungus (Batrachochytrium dendrobatidis) in the late 1980s and early 1990s, representing 25% of the frogs endemic to the Wet Tropics and all of the Eungella endemics.  Five of these species occurred only in the uplands and have been presumed extinct because no individuals have been found despite intensive searches. This represents a significant loss of endemic species diversity, particularly in the Wet Tropics World Heritage Area.

This project will better characterise biodiversity refugia in north-east Queensland rainforests by assessing genetic diversity at landscape scale in rainforest plants and fungi.

This project will provide detailed mapping of present and future biodiversity patterns and drivers, environmental and evolutionary refugia and a comprehensive assessment of the vulnerability and resilience of rainforest biodiversity in Australian tropical forests. The project team will use a combination of available knowledge, existing datasets and strategic research to inform adaptive strategies for promoting persistence of biodiversity.

Program 12 will have four projects designed to assist environmental managers, industry and Indigenous and community groups to manage the Wet Tropics bioregion. This is a complex and often highly contested landscape with many competing interests.

Program 3 will have four projects focused on biodiversity drivers of Queensland’s Wet Tropics rainforests, particularly rainforest refugia and hot spots of genetic diversity in the World Heritage Area and adjacent Cape York regions. The Program will deliver species distribution models and composite biodiversity maps using long term data sets to describe patterns of environmental change. The Program will also search for remnant populations of critically endangered frogs and monitor the abundance of key vertebrate species such as the cassowary and the spectacled flying fox.

Program 7 will have three projects addressing different threats to rainforest health. A generalised analytical toolkit will be developed for assessing vulnerability to extreme climatic events, particularly the sensitivity of Wet Tropics fauna to temperature extremes. The role of fire as a driver of rainforest distribution (particularly on the threatened ecosystem of the Mabi forest) will be determined.

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