Laserfiche WebLink
<br />TABLE 1. Macroinvertebrate drift composition (percent), diet composition <br />(percent) of two size classes of brook trout (~ 150 mm and> 150 mm) and the <br />1 i near food selection index (Strauss 1979) by brook trout for fi ve orders of <br />aquatic insects and for terrestrial insects in the drift on three sampling <br />occasions in Telephone Creek, 1985. <br /> <br />DRIFT COMPOSITION <br /> <br />Month <br /> <br />Plecoptera <br />Ephemeroptera <br />Trichoptera <br />Coleoptera <br />Diptera <br />Terrestri al <br /> <br />DIET COMPOSITION <br />Size class of fish (mm) <br />Plecoptera <br />Ephemeroptera <br />Trichoptera <br />Coleoptera <br />Diptera <br />Terrestrial <br /> <br />SELECTIVITY <br /> <br />Size class of fish (mm) <br /> <br />Plecoptera <br /> <br />Ephemeroptera <br />Trichoptera <br />Coleoptera <br /> <br />Diptera <br /> <br />Terrestrial <br /> <br />July <br />6.0 <br />13.6 <br />0.9 <br />0.9 <br />55.3 <br />4.6 <br /> <br /><150 <br />2.4 <br />31.0 <br />25.0 <br /> <br />34.5 <br />6.0 <br /> <br /><150 <br />-.04 <br />o <br />.24 <br />-.01 <br />-.21 <br />.01 <br /> <br />Auqust <br />3,8 <br />12.3 <br />0.7 <br />1.1 <br />69.0 <br />4.2 <br /> <br />>150 <br />7.0 <br />12.8 <br />65.2 <br />2.2 <br />9.9 <br />2.9 <br /> <br /><150 <br />0.3 <br />5.0 <br />2.8 <br />1.9 <br />87.2 <br />1.8 <br /> <br />>150 <br />.01 <br />-.01 <br />.64 <br />.01 <br />-.45 <br />-.02 <br /> <br /><150 <br />-.04 <br />-.07 <br />.02 <br />.01 <br />.19 <br />-.02 <br /> <br />14 <br /> <br />Seotember <br />4.9 <br />52.2 <br />2.1 <br />1.4 <br />27.3 <br />8.8 <br /> <br />>150 <br />1.5 <br />7.5 <br />20.2 <br />4.5 <br />47.9 <br />16.1 <br /> <br /><150 <br />5.9 <br />4.0 <br />17.8 <br />44.6 <br />10.9 <br />9.0 <br /> <br />>150 <br />-.02 <br />-.05 <br />.20 <br />.03 <br />-.21 <br />.12 <br /> <br /><150 <br />.01 <br />-.04 <br />.16 <br />.43 <br />-.16 <br />o <br /> <br />>150 <br />12.8 <br />6.4 <br />12.8 <br />25.5 <br />2.1 <br />36.2 <br /> <br />>150 <br />.08 <br />-.46 <br />.11 <br />.21 <br />-.25 <br />.32 <br /> <br />"I <br />