. . INDOOR GARDENING : GARDENING: Landscape Factors Impact Urban Pest Control . . Landscape Factors Impact Urban Pest Control By Caitlin Kight February 17th 2012 06:22 AM Science 2.0http://www.science20.com/anthrophysis/ landscape_factors_impact_urban_pest_control-87059
. A shorter URL for the above link: . http://tinyurl.com/7racog2 . .Most people have had pests in their house at some point or another, and the problem may have been so extreme that it required treatment of some sort--a trap or two, or perhaps even some sort of chemical. These sorts of measures can be effective at removing target species, but they may also have an impact on other animals that find themselves in the wrong place at the wrong time. One well-known example of this is the massive die-offs of large bird species, particularly vultures, that have resulted from the birds' unwittingly feeding on carcasses of poisoned pest species. Because nuisance animals are often considered a more interesting research topic for exterminators than for scientists, many pest systems are not understood in the sort of detail that helps managers develop good treatment plans, or lawmakers to write bills protecting innocent animal bystanders caught in the crossfire.
.Two collaborators from the Western Ecology Division of the U.S. Environmental Protection Agency recently published results of research aimed at rectifying this situation. Their study focused on the use of anticoagulant chemicals in two urban/suburban areas in California. Anticoagulants are commonly used on mammalian targets such as rats and mice, but they may also impact non-target species such as squirrels, rabbits and other small mammals, as well as the avian and terrestrial predators that eat them. Other at-risk species include those that are threatened, protected, or regulated for any number of other reasons, including foxes, bobcats, coyotes, and mountain lions.
.The researchers suspected that use of chemicals might be associated with both landscape factors, such as the proximity of "natural" habitat and the type/age of the buildings in which treatments were used, as well as socioeconomic factors.
. snip .The researchers hope that the "hotspots" identified by their analyses can be used to pinpoint which urban areas are particularly at risk of entering this feedback loop. In these locations, landscapers and managers may need to get creative in order to find safe and effective ways to discourage pests from utilizing anthropogenic resources, while also ensuring that innocent bystanders don't get harmed in the process.
. . Sources Cited: . Morzillo, A.T., and Schwartz, M.D. 2012. Landscape characteristics affect animal control by urban residents. Ecosphere 2(11):1-16. .Thanks to the following websites for providing the images used in this post:
http://www.homeandgardeneasy.com/two-practical-way-drive-the-rat http://www.doyourownpestcontrol.com/mice.htmhttp://drake.marin.k12.ca.us/academics/seadisc/ endangeredspecies/2010/Melia%20Sam/index.html
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