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<br /> <br /> <br />",,,.~ <br />::~~;?J <br /> <br />'~ <br />(~-'l <br />~ <br />~ <br />en <br />~\ <br /> <br />Envirorjm ental <br />Protedion <br /> <br />Use of Fire. Use of fires on river trips is limited to <br />protect the canyon and beaches. The need for this <br />restriction arose because of scarce supplies of driftwood <br />and charcoal residue accumulation on beaches. No <br />increased evidence of charcoal, burned wood, firewood <br />collection, or wildfire will be permitted. When fires are <br />allowed, they must be contained in fire pans. <br /> <br />J:I_~_man Waste/Refuse Disposal. The aesthetic and health <br />problems associated with human waste are a major con- <br />cern associated with river use. All human waste must be <br />hauled from the canyon. <br /> <br />Refuse and garbage attract insects, rodents, and birds <br />and fouls beaches, To maintain a healthful, quality river <br />running experience, all trash and litter must be carried <br />out of the canyon. Liquid waste such as dishwater, will <br />be strained through a fine screen into the Colorado River. <br /> <br />Removal of human waste and refuse gives river runners <br />the feeling that they are the first ones on the beach, and <br />therefore is a key N PS ai m in this plan. <br /> <br />Use of Soap. Protection of the water quality in the <br />Colorado River and sidestreams is a major objective. To <br />the extent that users can prevent it, water quality <br />degradation should not occur. <br /> <br />Soap at relatively low concentrations impairs the <br />breeding of native fish and leads to accelerated growth of <br />aquatic vegetation with associated decreases in stream <br />oxygen content. Use of soap in small sidestreams also <br />detracts from aesthetic quality. For this reason, soap use <br />will be prohibited in any sidestreams or within 100 yards <br />of the confluence of any sidestreams with the Colorado <br />River. <br /> <br />Vegetative Clearing/Erosion. Damage to vegetation in <br />the riparian zone and in the adjacent desert zone is a <br />chief envi,onmental concern. It is a goal of this plan to <br />stop any widening of existing camping areas so that the <br />understory, ground cover and species diversity in the <br />riparian zone are protected. <br /> <br />No damage should occu, in the adjacent desert zone <br />except those impacts from the single trails to attraction <br />sites. Human-caused erosion due to vegetative clearing <br />will be minimized. <br /> <br />11 <br /> <br />AOR <br />Section <br />III A.1. <br /> <br /> <br />AOR <br />Section <br />'" A.Z. <br /> <br />AOR <br />Section <br />III A.3. <br /> <br />-- <br />