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<br />Canyon Dam operations? <br /> <br />Catetqor <br />y Effects INs <br /> <br />h EIN 1.1.1 How does primary productivity for the reach between <br />Glen Canyon Dam and the Paria River change in response to an <br />experiment performed under the Record of Decision. <br />unanticipated event. or other management action? <br />M.O. 1.2 Maintain or attain benthic invertebrates biomass and commun,tv composition <br />in the Glen Canvon Reach. <br /> <br />Sequence <br />Order <br /> <br />5 <br /> <br />5 <br /> <br />6 <br /> <br />5.5 <br /> <br />AHC10 memo <br /> <br />Cateqory Core Monitorinq INs <br /> <br />h <br /> <br />CMIN 1.2.1 Determine and track the composition and biomass <br />of benthic invertebrates in the reach between Glen Canyon <br />Dam and the Paria River in conjunction with measurements of <br />flow. nutrients. water temperature. and light regime. <br /> <br />Cateqory Research INs <br /> <br />h RIN 1.2.1 How are the composition and biomass of benthic <br />Invertebrates between Glen Canyon Dam and the Paria River <br />affected by flow. water quality (including nutnents. temperature. <br />light regime. toxins. dissolved oxygen). new Invasive species. <br />and water borne diseases. or other factors? <br /> <br />h RIN 1.2.2 What is the estimated productivity of benthic <br />invertebrates for the reach between Glen Canyon Dam and the <br />Paria River? [Note: lf the cost of obtaining this data. relative to <br />the benefit of the information suggests the information is not <br />worth the expense. this RlN will not be pursued.] <br /> <br />h RIN 1.2.3 How do top-down effects (grazing and predation) <br />affect the abundance and composition of benthic invertebrates? <br /> <br />h RIN 1.2.4 What are the habitat characteristics between Glen <br />Canyon Dam and the Paria River that most affect benthic <br />invertebrates? How are these characteristics affected by Glen <br />Canyon Dam operations? <br /> <br />Cateqory Effects INs <br /> <br />h <br /> <br />ErN 1.2.1 How do benthic invertebrates in the reach between <br />Glen Canyon Dam and the Paria River change in response to <br />an experiment performed under the Rec'ord of Decision. <br />unanticipated event. or other management action? <br /> <br />Page 6 <br /> <br />. <br /> <br />(F......tted <br /> <br />[Formatted <br /> <br />.. <br />:.-, <br /> <br />I' Formatted <br /> <br />I Fa"".""" <br /> <br />e <br /> <br />(Fonnatted <br /> <br />[ Fann.""" <br /> <br />[ Fonn_ <br /> <br />\I" <br /> <br />e <br />