Although a lot of policy-making is determined by changes in climate averages, it is climate extremes that are thought to be most immediately hazardous to biodiversity. Statistically, any period of history will exhibit extremes of temperature, rainfall and other climate parameters, but it is when these extremes become more intense than in the past that alarm bells ring.
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Daintree River estuary
Photographer: WTMA
Heat waves - the real game changer
Rainforest and reef
Photographer: Mike Trenerry
Heatwaves in Australia are becoming hotter, longer, more frequent, and occurring earlier. The first detailed quantitative assessment of the vulnerability of biodiversity in the Wet Tropics to heat stress has recently been undertaken. A common feature of many of the most vulnerable species is that they are mountain-top species with small distributions.
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No rain - no rainforest?
You cannot take all the water out of the oceans or remove all the sand from the deserts but scientists in the Daintree rainforest have found a way to remove the rain from some of the Daintree rainforest. Thankfully it is all in the name of science and the other important consideration is the area used is only half a hectare. The reason for the experiment is critically important as the frequency of severe droughts is increasing in many regions around the world as a result of climate change.
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Rainforest Drought Project
Photographer: Bill Lawrance
Mountain top plants - nowhere left to go?
In the Wet Tropics tropical mountains are biodiversity hotspots and major centres of local endemism. Mountain forest ecosystems are characterised by frequent cloud or mist inundation and climatic zones that get compressed over short distances along steep altitudinal gradients. High-altitude specialist plant species rely on cool temperatures and abundant moisture for their survival. This makes them particularly vulnerable to a changing climate.
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Mason Campbell is a PhD student from James Cook University in Cairns studying under the supervision of Distinguished Professor Bill Laurance and Associate Professor Will Edwards. Mason Read More
Policy Update February 2016
Recent government policy developments relevant to the Wet Tropics. Read More
In the News - Feb 2016
Recent news about tropical research issues for the Wet Tropics World Heritage Area. Read More
Rainforest Research Update February 2016
National and global rainforest research of relevance to the Wet Tropics Read More