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<br />)
<br />
<br />be based upon the IRA's elucidation of hydrologic regime changes likely to be associated with
<br />
<br />alternative management scenarios.
<br />
<br />Software Availability
<br />
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<br />The software program developed for computing IHA parameter values and deviations is
<br />
<br />1"~'
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<br />available. Please contact the authors for more information at The Nature Conservancy, 2060
<br />',:1 AHf,c
<br />
<br />Broadway, Suite 230, Boulder, Colorado 80302.
<br />
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<br />
<br />Acknowledgments
<br />
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<br />-"",.,'1
<br />Chuck Smythe and Dave Robertson of Robertson Sofrware, Inc. provided all compmer
<br />, ',~!t
<br />programming of the IHA computations. Andrew Wilcox conducted a literature review or ' ,,',
<br />__'. .' " " .,;';." " ", ;hit~c. ,
<br />
<br />other ecosystem metrics which greatly aided the development of this paper. Hydtologicdala'A.",:
<br />), --__;.__;.y,...'..' " . '.' ,: ::. .c-. :', ,,' ,::.If'.i ~il1~:----
<br />were 8ccesSed via the "HydroData" system distributed by Hydrosphere, Inc. Invaluable "''c';},\;''
<br />"';1 ~t~:_;~:~;;',"' y .
<br />reviews of this paper were provided by Paul Angermeier, Greg Auble, Jonathan Friedrrwi;'.:,,;..,'
<br />,,' , , ",' ::1s.!1t:.
<br />
<br />Jim Harrison, Scot Johnson, James Karr, Sam Pearsall, N. leRoy Poff, Dan Salzer, Julie-
<br />'--:--';"""" .
<br />.' .~.. ~......'""'t
<br />Stromberg, Robert Unnasch, Keith Walker, Robert Wigington, Dara Wilber, and Andrew
<br />'.'l:llGV.a
<br />
<br />Wilcox.
<br />
<br />Literature'Oted " .:Jtoolq':'
<br />;;{~,~'_':l~~1~':f_-;,:~.
<br />Alley, W,M-., anetA. W, Burns. 1983. Mixed-station extension of monthly streamflow r~dl"'~~'>
<br />. :.,~..~. ,_"~%>.~- -,0 .
<br />Journal of Hydraulic Engineering 109: 1272-1284. ;~:;;;'f;i;, --
<br />. ' ; " _' _ .' - , - ,,;il ~21>~~:~r--'>:
<br />Armitage, P.D. 1984. Environmental changes induced by stream regulation and their effect'-of', ":.',
<br />lotic macro invertebrate communities.PagC$ 139-165 inA. Lillehammer and S.J. Saltveit:';'tlq'
<br />editors. Regulated rivers. Universitetsforlaget As, Norway. ,."
<br />
<br />~ \.~", ,-::' .:.,.
<br />
<br />. ~.> ~, ._'Y '"
<br />
<br />_;}L"
<br />
<br />, '~";~d ',:
<br />
<br />
<br />Bain, M.B., J.T. Finn, and H.E. Brooke. 1988. Streamflow regulation and fish community ,
<br />structure. Ecology 69:382c392. 'cu!mia~.'
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