5-6 - 5/6/09 Restoring Ecology Ecological restoration and...

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5/6/09 Restoring Ecology Ecological restoration and global climate change -Mismatches-ex. -great tit( relative of the chickadee) -caterpillar—food source -today, mismatch, food source is not available to feed tits -caterpillar hatches little earlier than they used to b/c of change in environment (increased in temperature) What are two most basic resources necessary for biodiversity? -water and space Truckee River-water diversions reduced flow. Increased flows during willow and cottonwood seed release season allowed recovery of riparian ecosystem. Kissimmee River-had been turned into a 90km canal. About 24km of the river has been restored. -homogenizes the ecosystem; makes everything exactly the same -canal different spaces, habitat increase biodiversity Rhine River—dredging for ships reduced biodiversity. Side channels are being reintroduced to allow species to recover. -minimum dept=decrease in biodiversity -maintain biodiversity along the river where species can live. Water cycle-
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This note was uploaded on 06/16/2009 for the course BIO 53665 taught by Professor Iverson during the Spring '07 term at University of Texas at Austin.

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5-6 - 5/6/09 Restoring Ecology Ecological restoration and...

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