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<br />UM~ <br /> <br />PROGRAM COMPONENTS <br /> <br />Contaminants <br /> <br />The objectives of the contaminants portion of the Program are to: <br /> <br />I) determine what constitutes a "contaminants problem". Research <br />will be conducted to identify levels of contaminants that adversely <br />affect razorback suckers, to be used as screening criteria. <br /> <br />2) determine if there are contaminants problems at candidate <br />restoration sites that may negatively affect razorback suckers; or <br />that may preclude acquisition of an interest in a property (because <br />of federal mandates). <br /> <br />HvdroloQv/GeomoroholoQv <br /> <br />The goal of the hydrologic/geomorphologic component of the Program <br />is to restore the historical frequency, duration, timing, and extent <br />of flooding at selected sites and river segments, in a manner that <br />will not adversely affect main channel stability or site topography. <br /> <br />BioloQV <br /> <br />The goal of the biologic component of the Program is to identify and <br />attempt to control factors which adversely affect survival and <br />growth of young razorback suckers which drift into, or are placed <br />into, restored bottom land habitats. Control of predation will be <br />emphasized, but other factors will also be considered (e.g., winter <br />kill, summer kill, food supply, contaminants, etc.). Biology will <br />be a consideration during all phases of the Program, especially the <br />evaluation phase. <br /> <br />Land Acquisition <br /> <br />The purpose of the land acquisition component of the Program is to <br />negotiate agreements with the landowners to allow restoration of <br />sites for use by razorback suckers. In cases where the site is <br />located on federal or State land, the agreement may need only to be <br />verbal. For sites located on private property, written agreements <br />will be sought which allow restoration and evaluation prior to <br />acquisition of fee title. Various alternatives will be explored to <br />avoid acquiring interests in properties that may not benefit the <br />razorback sucker. The acquisition component will come into play <br />after screening, prior to site restoration. <br /> <br />12 <br />