Its a war inside a tree hole
Its war inside a tree hole, says WUSTL ecologist Jamie Kneitel. He has studied the effects of three different parameters on the bug-eat-bug world found in the seemingly innocuous, surprisingly revealing, ecosystem.
If you think your place is a dump, try living in a tree hole: a dark flooded crevice with years of accumulated decomposing leaves and bugs, infested with bacteria, other microbes, and crawling with insect larvae.
A biologist at Washington University in St. Louis has studied the ecosystem of the tree hole and the impact that three factors - predation, resources and disturbance -- have on species diversity.
Tony Fitzpatrick | WUSTL
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
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