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PRRIP - ED OFFICE FINAL 6 05/27/2010 <br />Inpu � ox' Maai�ge ea `AcEions <br />Figure ail. PRRIP pallid sturgeon conceptual ecological model. <br />44 <br />45 This objective is commonly paraphrased as a "Do No Harm" objective and contains no <br />46 measurable performance measures to assess progress, evaluate species response, or guide <br />47 management actions. Instead, Program actions related to pallid sturgeon were to begin with <br />48 specific tasks in the IMRP centered on better identifying sturgeon habitat and use rather than <br />49 addressing specific in -river actions aimed at learning about species response (as done for other <br />50 Program target species). Thus, Program activities since 2007 have been directed at monitoring <br />51 and research designed to help fill existing data gaps and include: <br />52 <br />53 1. A summary of existing information on the pallid sturgeon. <br />54 2. Micro- and macro - habitat use /selection by adult and juvenile sturgeon. <br />55 3. Identify the physical effects of subtly different rates of flow over time on connection, <br />56 construction, maintenance, and evolution of pallid sturgeon habitat components. <br />57 4. Characterization of selected water quality parameters in the lower Platte and tributary <br />58 contributions. <br />59 5. Periodic evaluation and peer review of information. <br />60 <br />61 All but one ( #2) of those activities is now complete or underway and can be evaluated in <br />62 comparison to key priority hypotheses. An initial evaluation (Table 1) of the eight pallid <br />63 sturgeon priority hypotheses identified in the AMP suggests two are most critical (Tier 1) and <br />64 actions to test those two hypotheses are necessary first steps in the Program addressing pallid <br />65 surgeon issues: <br />66 <br />PRRIP Pallid Sturgeon Assessment Page 2 of 8 <br />