Laserfiche WebLink
IIfOf''" i , - <br />7 <br />flowed from small laterals, a meter (m)1 or less across or deep, to major water- <br />marshes ways that may be many meters wide, deep, and with -swift currents. <br />or large Again, operational problems exist insofar as fishes are concerned, such <br />it cannot as periodic drying for repair or cleaning, application of herbicides to <br />ty fishes control aquatic vegetation, or dredging operations, and populations are <br />~sentially rarely large under present conditions. Little research has been done on <br />!most all the ecology of these habitats, but they do allow fishes and other aquatic <br />lilted in organisms to live in many parts of Arizona that would otherwise be <br />~. A few devoid of such life. With increasing pressure of human populations on <br />provide recreational waters of the state, I expect modifications of canals and <br />other such water-transport systems soon to include extensive planning <br />t of the for fisheries development. <br />Arizona .-. ,,~ ""~°~ <br />se range <br />~-~ <br />_' <br />...~ <br />+~ -~, <br />SIC rf <br />, ~ <br />of the U. 5 <br /> .~ <br /> ~~ ~~ <br /> <br /> . +H ~ w, <br />~ " <br /> _,~ <br />• - - <br /> <br />Figure 5. Lower Sabino Creek, Pima County, Arizona; a cienega-like pool at the lower <br />end of the flowing portion of the stream. <br />tConversion factors for various metric units of measurements to inches, <br />feet, pounds, etc. are given on page xi <br />y_ .., <br />>~. <br />