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Conceptual Models and Hypotheses <br />for the Trinity River Restoration Program <br />6.5 Statements of hypotheses / linkages and performance measures <br />Table 6.1. Mechanisric linkage descriprions for the overall npanan and aquatic bird conceptual model (as <br />illustrated in Figure 6.2) <br />the landscape configuration of riparian habitat, <br />Physical <br />4 Increased flow levels will inundate natural and consUuded side channels and ponds, prompting riparian initiation Riparian, Physical <br />arrd increasing the number of nest sites. <br />5b Rlparian removal will decrease cover and inaease efiects of weather (wind, rain, high and low temperatures) on Riparian <br />6 Changes in ripanan patch size and patch type configuration will affect nest site quantiry and quality. Riparian <br />7b Inaeased riparian cover will increase survival by reducing predation risk for nests, juveniles, and adults. Riparian <br />Ba The arrangement ot riparian habitat (palch and landscape characleristlcs) may inaease or decrease food <br />.t r?..' .-tr'? ?1! s- -Y"???r ? z <br />P 4? ? r H?S ''^ '4 "s.s ? ..c-.{o -rw+yw..,?3?'Yit!?. ,.o.?--w?- rvrzSMC? <br />Mi <br />. i?(d?..s diVE_?;i1y ? f? h?•ir. .tyl', s; tirill t in hi,I cr ?t i?h,;,.?("" diVc sitv' a:id al ?of f0ai (,ir t,in; <br />8c Changes in amount <br />aHect the abundance and diversity oi food. <br />10 Changes in predalion rates will affect Juvenfle and adult survival rates. <br />Linked to <br />Riparian, Physical <br />?-j.r.. . ,1. <br />t. i- d h. 0. .(c'?w,ll! +d? 7 <br />Riparian, Physical <br />12 The amount of time spent foraging may atfect predation risk. <br />14a The creation of nest sites through development oi new habitat and oover will stimulate birds to form pair bonds Riparian, Physical <br />and establish territories. ggm <br />15 Nest Aooding caused by increased flows after nest initiation may cause birds to abandon nesting efforts or Physical <br />17 Inundation may change the habitat arrangement by reduce the amount of wetland and riparian vegetation. <br />90 <br />2_ Bank rehabilitation construction will aeate habitat fa riparian plant initiation on the restored floodplain. Riparian, Physical