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Show Page B12 Die ZDmeg-3nbcpcnb- mt Thursday, April 8, 2004 Tamarisk, noxious species a focus for Bureau of Reclamation 9 Tamarisk, or Salt Cedar was introduced into the western United States as a decorative shrub in the early 1800s. As a result of that introduction, Tamarisk is now considered an invasive species. An invasive species is something that is non native, meaning it didnt originate where it now lives, and can cause economic, environmental or health problems to other species in its new habitat, including humans. Since its introduction by east coast nurseries in the early 1800s, the plant is now found in half of the country. It grows ferociously along rivers, can tolerate soils high in both salt and alkaline, and produces thickets of trees and shrubs nearly twenty feet high. It native plants with deep roots that intercept water tap and tables disrupt the surrounding aquatic system. Ive heard of roots going down over 100 feet, says Fred CHIP open enrollment ... Continued, from page B7... a pediatrician, I know how much it puts parents at ease to have their children covered by health insurance and how much it helps their doctors to be able to provide good health care for them. My son Taylor has says Kristi Allred, mom and CHIP CHIP Advisory Council Member. Having CHIP means Taylors asthma is treated so he can play baseball and other sports this spring. asthma, The UDOH will conduct A Good Call for Kids media campaign featuring children who have benefited from CHIP during April and May. Watch and listen for information about CHIP Open Enrollment on TV, in newspapers, and on the radio. Outreach will also be conducted via community partners, including schools, child care agencies, and advocacy groups. For more in- formation, visit www.health.utah.govchip or call Nibling. Hes a Research Bota- nist for the Bureau of Reclamations Denver Technical Center. As Team Leader of Invasive Species Research, Nibling says their thirst isnt the only thing theyre known for. Water consumed by the plants isnt there to turn turbines or irrigate fields. Weve also looked at damage to recreational benefits, he says. An invasive species can enter the environment in one of three ways: (i) deliberate introductions, (ii) species imported for a limited purpose which then escape and, (iii) accidental introduction. The Zebra Mussel is an example of accidental introduction. The fingernail-size- d crustacean, native to the Caspian Sea, came to the Great Lakes via ballast water from transoceanic vessels around 1988. Since then, it has escaped and spread to all of the Great Lakes and many of the lakes and river systems of the Northeast. They can attach to anything, including each other, to clog pipes and engines. Henry Messing is the lead biologist for the Environmental Resources Division for the Bureau of Reclamations Lower Colo- rado Region, based in Boulder City, Nevada. He is one of the point-mein the agencys campaign against invasives of all kinds. Weve got a really large program in the state where were trying to stem the invasion of exotic species. Some of them include the mosquito fish, the red shiner, the large mouth bass and the channel catfish. A lot of fish were brought in and stocked by the state, into the Gila River Basin. And these fish either eat the natives while theyre still in the minnow stage, or just them for food. Messing is also working on Tamarisk. But the plant is hardy. Drought causes the seeds to go dormant and they can remain viable for months. Fire, on the other hand, helps Salt Cedar. Its flammable, and has compounds in its foliage thatll let it burn green. Af n out-compe- te ter the other vegetation has been destroyed, Salt Cedar itself. Erika Zavelta is with the Department of Biological Sciences at Stanford University. Her research on Tamarisk focuses on impacts of human changes on the ecosystem. She says eradication is possible, and points to successful projects in central Texas. Through a program of cutting, root plowing, application of environmentally safe herbicide, rearing and replanting of native species and monitoring over a period, she says benefits would keep pace with control costs and afterwards, would accrue indefinitely. Some attempts to control species X through the introduction of species Y has been very successful, says Nibling. 20-ye- ar Most done in bio-contr- ol thats been the plant area with insects has been very well managed and successful. But, in some cases, species X pro- habitat for species Z, so maybe you dont want to, or cant eradicate it. Salt Cedar vides has a branching pattern which is very alluring to the southwestern willow flycatcher, an endangered species. It has this perfect forked pattern that this bird loves to build its nest in. It also likes to nest close to the water, and likes wet soil. But Zavaletas research indicates that native riparian vegetation provides superior habitat to the songbird. Protecting flycatcher populations during restoration from tamarisk to native stands will, she says, require careful planning. Tamarisk costs the U.S. economy millions of dollars annually, and is laced with com- plicated environmental questions. But, that it interferes with water delivery is enough to focus the attention of many of the bureaus within the Department of Interior, including the Bureau of Reclamation, to find ways to control it. FATTEN YOUR WALLET... PLACE AN AD IN THE T--l CLASSIFIEDS! .4 The Next Stage . Find it at Wells Fargo. We can introduce you to a variety of home equity financing options with competitive rates and affordable payment options that you won't find anywhere else. 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