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Amazon Park Rare Plants
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Amazon Park Rare Plants
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Last modified
8/21/2014 2:21:09 PM
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8/21/2014 2:02:31 PM
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Parks and Open Space
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w <br /> DRAFT 10 <br /> seldom reached maturity before the plant died back. Parasitized plants had a significantly <br /> higher incidence of aborted fruits. Parasitization and resulting fruit abortion can severely <br /> reduce the size of, or eliminate a population. <br /> The reproductive strategy of L. bradshawii together with current habitat conditions and <br /> environmental stressors, such as drought and parasitism, may limit the survival and <br /> recovery of the populations. All currently known sites are relatively disjunct, separated <br /> by agricultural or urban development, substantial distance, and/or topography. Most sites <br /> also have relatively few plants and/or are small in area. Isolation, low seed dispersal, and <br /> selfing, combined, could promote inbreeding, limit gene flow and decrease the <br /> reproductive capacity of L. bradshawii. <br /> Site specific <br /> Amazon Park and Eugene School District property in the Upper Amazon Basin <br /> (conservation area) is primarily used for recreational purposes. Therefore, management <br /> of the conservation area has focused on recreational uses. Grassy areas, including wet <br /> prairie habitat, are often mowed. Mowing may have both beneficial and adverse affects <br /> on L. bradshawii and other native plants. Although regular mowing may prevent <br /> succession, native grasses and forbs may be adversely affected when mowing is <br />
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