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Last modified
7/14/2009 5:02:34 PM
Creation date
6/1/2009 12:40:35 PM
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UCREFRP
UCREFRP Catalog Number
9306
Author
Huntington, E. H., H. C. Pickens, P. Russell and R. E. Barker.
Title
Fisheries Survey of the Gila and Mimbres Rivers Drainages 1952-1955.
USFW Year
1955.
USFW - Doc Type
Santa Fe, NM.
Copyright Material
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-14- <br />T IT WAS ASSUMED THAT RECOVERY Of fION FROM STREAMS WAS NOT GREATER THAN '23 Pen <br />CENT OF THE-POPULATION IN ANY ONE SECTION. HOWEVER9 NO CORRECTION WAS MADE FOR THE <br />PER CENT OF RECOVERY IN. FIGURE 8. IT INDICATES THE APPROXIMATE NUMBER OF FISHEPm <br />MILE COMPUTED FROM-THE ACTUAL NUMBER SHOCKED AT EACH STATION. <br />NUMBERS OF ROUGH FISH AND GAME FISH VARIED CONSIDERABLE WITH WATER 7EMPERATUPE9 <br />VOLUME, ETC. ROUGH F13H WERE FOUND TO BE MOST NUMEROUS IN TAYLOR CREEKS MIMBRE9 <br />RIVERg GILA RivER9 SAN FRANCISCO RIVER AND BEAVER CREEK. SEVERAL NIGH MOUNTAIN <br />STREAMS CONTAINED NO ROUGH FISHY PROBABLY BECAUSE OF LOW WATER TEMPERATURES ANDS IN <br />SOME CASES, THE PRESENCE OF FISH SARKIERS9 SUCH AS FALLS AND EXTENSIVE DRY SECTION& <br />IN THE STREAM BED. (FIGS. 23 TO 26) <br />GAME FISH IN THE STREAMS CONSISTED ALMOST ENTIRELY OF SALMONID89 WITH A FE <br />CENTRARCHIDs. AND AMEIURIDS FOUND IN THE LARGER STREAMS,, WHERE TEMPERATURES WERE <br />COMPARATIVELY HIGH. THE FOUR STREAMS RANKING HIGHEST IN GAME FISH PER MILE WERE <br />THE MIMBRES RIVER (UPPER);, SOUTH FORK OF WHITEWATER CREEK, DRY CREEK, AND IRON CREEK, <br />EACH OF WHICH HAD AN ESTIMATED TROUT POPULATION OF OVER 3600 FISH PER MILE OF STREAM. <br />THE M 1 MBRES RIVER CONTAINED SALI+ 0 GA I RDNE?R®9 DRY CREEK, PREDOMINATELY SALMO TRH A, <br />IRON CREEKS SALMO GILAE AND SOUTH Feft OF WHITEWATER CREEKS SALVE L INAS FCNTINALI3. <br />THIS WAS THE ONLY STREAM IN THE AREA STUDIED IN WHICH SALVELiNAS FONTiNALIS WERE FOUND. <br />SEVERAL OF THE INACCESSIBLE HIGH MOUNTAIN STREAMS CONTAINED A GOOD POPULATION <br />OF TROUT, MANY OF WHICH WERE SALMO GCE AND $ALMO 0LAE - GAIL RDNERI HYBRIDS- (FIG. 2-I) <br />BOTTOM FAUNA: <br />BOTTOM SAMPLE ANALYSES WERE MADE FOR EACH STREAM:-AND LAKE IN THE GILA DRAINAGE. <br />TwmTY FOUR SAMPLES' WERE Pi CKED' AT RANDOM AND THE AVERAGE TAKEN FOR THIS REPORT. <br />(TABLE 3) <br />IT IS NOTED-THAT ORGANISMS IN THE TRICHOPTERA GROUP- WERE FOUND IN 100 PERCENT <br />OF THE SAMPLES AND AVERAGED 40.9 INDIVIDUALS PER SQUARE FOOT. MANY OTHER GROUPS <br />WERE REPRESENTED- IN- THE SAMPLE As SHOWN IN TABLE 3.* <br />1. <br />SAMPLES TAKEN FROM THE MiMBRE8 RIVER INDICATED A CLOSE CORRELATION WITH THE <br />AVERAGE OF THOSE TAKEN: IN THE GILA DRAINAGE.* (TABLE 4) <br />Foams HAB a Ts, ar, Tom.: <br />THE FEEDING NA13 I TS' OF TROUT WERE DETEMA I NED: FOR EACH-> STREAM SURVEYED. FOR THIS, <br />REPORTS A SMALL NUMBER Of EACH SPECIES OF TROUT FOUND IN THE STUDY AREA WAS TAKEN <br />FROM SEVERAL STREAMS AND THEIR STOMACH CONTENTS EXAMINED.** THE FOOD HAS ITS GF'DIFFE- <br />RENT SPECIES WERE:FOUND TO VARY LITTLE, WITH THE BULK OF THE DIET BE.NG MADE UP OF <br />AQUATIC ORGANISMS. IN SOME STREAMS, TERRESTRIAL INSECTS WERE IMPORTANT FOND ITE'MP. <br />AVALIABLE FOOD DOES NOT APPEAR TO BE A PROBLEM IN MOST STREAMS9 As A STUDY OF <br />THE STREAM BOTTOM SAMPLES SHOWS A SUPPLY OF AQUATIC ORGANISMS ADEQUATE TO SUPPORT <br />A- GOOD POPULAT ION, OF TROUT. <br />1. SALMO GAIFWNLI (GILA DRAINAGE) <br />THE FEEDING HABITS OF SALMO GAIR1 IN STREAMS OF THE GILA DMAINAGS WERE DETER- <br />' MINED BY THE EXAMINATION Of THE CONTENTS OF 15 STOMACHS. <br />*`BOTTOM- SAMPLES WERE INTENTIONALLY TAKEM FROM THE MOST PRODUCTIVE PART OF THE STREAM,. <br />** SALVELINAS FONT1NALIS FOUND IN ONLY ONE STREAM.
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