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<br /> <br />RESTORA nON OF REGULATED RIVERS <br /> <br />395 <br /> <br />High <br /> <br /> <br />Channel Substratum Composition <br /> <br />Sand & Silt <br /> <br />High <br /> <br />Water Temperature <br /> <br /> <br /> <br />Minimum <br /> <br />low <br />High <br /> <br />Native Biodiversity <br /> <br />ngitudinal or <br />y reside in all <br />and phreatos <br />nsequence of <br />:rs to sites of <br />:onceptualize <br />ard, 1992) <br /> <br /> <br />r they will <br />a number <br />alike and <br />nd human <br />nservaiion <br />ook ecolo- <br /> <br />low <br /> <br />Headwater Headwater Montane <br />Stream Transition Aoodplain <br /> <br />Montane <br />Transition <br /> <br />Piedmont <br />Valley <br />Floodplain <br /> <br />Piedmont <br />Transition <br /> <br />Coastal <br />Floodplain <br /> <br />Estuary <br /> <br />~y are net- <br />990). The <br />pathways, <br />dominate <br />ire eroded <br />ics; (b) the <br />:.g. eddies, <br /> <br /> <br />. . <br />InorganIC <br />:ontinuum <br />md lateral <br />lrge floods <br />lood, even <br /> <br />Figure 2, Conceptualized continuum of a large unregulated river showing biophysical gradients and nodes of environmental heteroge- <br />neity (centres of organization) of the major alluvial reaches. Vertical bars on the plot of maximum temperature represent the annual <br />range of annual maximum temperature across all habitats at any point in the river continuum, Numbers indicate stream order. The <br />figure is not dra wn to scale; transition reaches are often much longer than inferred <br /> <br />