TPWD 1968 F-2-R-15 #1176: Region 2-B Fisheries Studies: Evaluation of Catchable Rainbow Trout Fishery, Federal Aid Project F-2-R-15

Marion Toole Job N00 DWJ Coordinator JOB PROGRESS REPORT {by As required by FEDERAL AID IN FISHERIES RESTORATION ACT ‘ ”13313nmwfl TEXAS Ed 4-» '9 Federal Aid Project No. F~A~i5 REGION Z-B FISHERIES STUDEES E~9: Evaluation of Catchable Rainbaw Treat Fishery Project Leader: ichard L: Wbite Jo Ra Singleten Executive Direetar Texas Parks and Wildlife Dapartmenr AustinS Texas L111 -ugefle Ag Walker .‘reegar3 Wildlife Serviees “'1 '31. kg. November 12, 1968 Sammary .. f A tatal of 69090 rainbaw trout was stacked in the tailflaua‘watera GE Canyan fleservcirfl Cdmal County3 TeanO Creel census methada indieaaea aflgiers harvested 335&9 treat3 or 59 per cent of the number stackedg 'Watee qaaliis azadies aad bettcm gamples taken indicate a suitable habitat Eff rainbow trfiut 1% :ha taikwatera. The overmall program was felt ta be quite auaueas‘ul and progact peraunnel recemmend that the ”put amd take" fishery be centinuedu Job Progress Report State of Texas Project Non _ Fm2w15 _ Name: Region 2mB Fisheries_3tadies Job Noe E~9 Title: Eva? uat1on oft atehable Rainbow Trout Fishery Period Covered 3.1 ..W . __ .1 .~ tit . Jaesasimfiiamlfiéi) Background: Rainbow troutS Salmg gairdnerifl have been purchased ay a priv vate eoneern a.nd stookeda'with the assistance of Department personnel in the tailr race wateLs below Cane yon Dam.a Comal County3 Texaso This aotLon was instigat ed by the private concern after they learned that the Canyon Reservoir Proje:et Repor't (Eebraary 33.9603 prepared by the Branch of River Basin Studies) indicated the pr1sib111t f the trout fishery in the cold tailrace waters below the. dame A 3wyear storking progLs lPCL”d ng approLLnLLel 30, 000 catchable trout whic.h have been donated by the priaat corcerng is nearing its midpoint. Over summer survival of trout from.an April 1966 stocking of 10 000 raL verified by Texas Parks and Wildlife Department fishery personnel in October l9n6, Water quality studies_ineluding temperaturey dissolved oxygen9 ”srbon a.oxiae and alkalinity over the past year indicate suitable treat habitM L ‘ uMions through creel censusS of this trout fishery was made to determine if theL economic and rears“ ational aSpects of this program warranted future maintenaneeo The Guadalupe River has its origin on the Edwards 9: ate a in South Central Texas . :"ro and flows sontheastward through steep hills and limestone biuffs that Ltarae e its the regions This study was accomplished on a section of the Ciada’ape River '1 LLies northwest of New Brannfelss Comal Coonty9 Terese Ehe stnr~ y arse begins at the st111= ing basin of Can90n Reservoir and oontinn.e.s for 19095 riaer miiae deaneareimo tbs stream has a gradient of 295 feet per mi.le9 and an eves 'gn nid an 1; and an average depth of approximately 4 feeto The last .3 H g L”&S mill rary'aifin fine ii .. releases from Canyon Reservoiro The stream is elear to gn My mara§j are 1s :omr;~ of approximately 50 per cent riffles and 50 per cent pooi.s 91L stream bfid is pres dominately gravel and limestoneo Some silt deposits are to' L. in the‘npprr teams :1 the study area and in natural pools and in 5 pools ores t.eo 3y loa'nate: sans LoLatea at various points on the stream sectiono Aquatic vegetation was sparse in this section of the. r1ver besan s E but since completion of Canyon Dam condit.ions have hee1me nwLe re fa1c1Lo e for g of vegetati.ono oth prememcrgeqt and emergent Species are it JUfld wi :h green 3 (Chloro h case) and bushy pondwee.d.LNa1a g;:: the most aboneantc o aquatic plants found i.n the reach are sage pendweed *PLLL ' '* " " feather (M'rio thlam hetero h“l ' ° 3.1131935, catta ii LFL ha Lar_ifn_;.__fjfl (lLo.phar sp 3S watereres" (Nasturtltm sp 3 sooth'rn wLLa Lise {Egjanip s1, an i--ta}a ”Mm-1 “‘1 water primrose (gggsiaea spa)S and muskgr ass (Gears vnigglisho LEE—fl: - :.' —. .'..—_-.- LL91 1f.- Baldcypres s (Taxodi um dLDETChUm)n oak.19g§§cus spa)3 sycww Cm“:n=;m_m u re occidentaiis)9 pecan (Carpa iilinoensis33 ans cottonwood trees {fa common along the reacho (5 riser c.ons13t.s of rough d {3o "L--ma tapedLasnm The bulk of the fish pcpuiation in this section oi the fish; name3y9 Longnose gar Q gisoste1s csseusyg gLazard sha n_ _ river caprsuckers icarggcdes carpigg and gray redhtr anthers *MLLLLFCEELELDE%LLLE3 Game fish in t.he r a1 h are channei catfish 3:33 _L LS pung£g4gs39 tLaLaead c..at fie, 1argemoath b1 ac.k bass 1M1Lr Mp: 2;; LaLaoLcL139 Ciadaiupe bats _'F_'.I:IL- 157:.7—21-2. $133.2- -:..-;a=l‘:,-_fl_'a‘ e. (L1oc1ctus ollvaris (MLLESELS_E§.££££LLJ_ L include Stoneroiiers (Cam ostoma anomaLamy3 comm11n MUDQLLEOILbh 1Canbts1a affinLL) logperch (Percipflggaprodes)3 dusky darter LHadroptertL sc1eras3 darters {Etheo stoma eppL33 and various minnows and shiners (EggrorLgasppu 23 3 and s11nfish (”L on1; EPPL 9 CELL species ftogi in the. stream ijr. 18 To determine the per cent rs-a_1 of st1t cked fisho 21 To determine the length of time a p1ant of trout contributes to the fisheryo 31 To determine the average catch_per man hour of fishingo 49 To determine the average catch per fishing tripu 50 To determine the average 1ength of time per fishing tripe 60 To determine the economic factors inroivedg nameiyS the va1ue of the returnso .79 To determine thrtagh water qaa3ity sttdies the clntinuante cr Canyon ham aiiwaters to pro Leide sui tab3e treat habi ta.tu 80 To determine through bottom sampie studies the arai1ab1e fat? trout populaticno Procedures: Approaimate3v 6 000 seven to eight inch ra1eb~m trout were denatea for th_s studv by the Lone 3tar Brewing Company9 San 111:1-1‘1‘1‘1n1i1 Tea at 3/ Th— LLJLL were fire 3 Ep in feb La ' I‘ a clipped (right pectoral and [sit pELVLt) hv prsjec; perscnner on a tr; 1967 to the Amym iron: Larm3 Ruukbfldgbr MLLsourio The t ” i hatchery for 17 days to observe any mortaiit.yt or aiseas* L. ._ was flushed through the. raceways 3 times duri .n: this period to inhibi funguso Fleveq fish died i';1 the. racevavs during this perioda 1/ As part of a w11d11fe prcjert the ompany has parchased 223000 fish to date and (1011-3138(3 them. 1.11.115 Chi-S ELLE idyo u- 03 March 6 1.967 appreximetely 39000 fish were eteeked in the tailrace waters below C335103 Dem9 C0331 Ceuetyfl Texaec The remaining 33000 were stocked on March 10, 19671 Figure 1 111uetr3tes the site of the trout Stocking stetions on the lOemile tailrace areao Cre.e1 cenSU 3 operatiehs began immediate1y end eeeh drep site wae checked every 2hours from M we until dusk, A eree1 census eerdl g 2 i1led out Oh eaeh fisherman and 3 post card Figure 239 wee 3133 g111 en tr him re :11 eut and mail in at the end of the dayo Ihie poet 33rd methed 31TCwed project pereonnei to compare total catch 33 the fiehermeh whe lett the 31:33 33*”663 er 331 car sue reundeg The creel ceneue was conducte.d far 5 CUflDGCtLlVE deye a.3d 2 CDflbLCUFlVE weekehds followI 13g each drOp, with creel cheek coming ever5 other weekend thereaftera I3 conjuhttjch 31th t:he eree1 censueg 33 et anemic eiaihetioI sheets FiguI e 35 was filled out on every tenth fishermeho Ihis preeedure was included to determine what the trout fishery lent to the economy of the 1mmeeiate ereea Bettom samples3 using a Surber square foot sampler were 331133 t.ed from 11 stations 33 the taiIrece during periods when the water re1eeeee were eot so high to impede sampling” The semp1es were preserved in 70 per cert a1ceh31 30133133 and returned to the 833 Marcos 1eboratory for identitieetieno Water quality et.udiee we re r33 wee.k15 33 the 13111331 13 order t.e determine the continuing suitebi1it5 of water for troutc 0133115Ed exygeha $023 e1k31131t5a and Lemperature were recordeda Findings: As the date from the (3.8flSUS were. 3331533d it beteme apparent that there was a significant d1 fie erehc:e 13 we.ek.d35 33.d weekend trzhiug 'with the 1etter exhibiting greater tlehzhg preeeere end herLe C hee33131111 the two were treated 33p313t315 in the etatietiee1 p135eet133 :f the t3 tel heI1ept The catch per men heur wee tebe1eted frem the— f1*hettxn f r which the creel care and the returned pest 33rd were 3331 3b16 For the anglers whe did net return the poet ear-d.S 33 hour use reeht wee derive.d Siege the tree1 333 rue erer5 2 hetrefa 33 extra heur was added to the E1331 time eetrj me e 33 theee eerie (103” if e Jche Doe'wae checked at 1:00 PQMO 33d wee 331 fishing at 3°03 FUMOA it 333 3332331 the: he quit 3t 3300 FUM131 The tetel 31115 eeteh IKEUIE 433 1p11:d 33 fel1owe° X = {I} {2+Q) where: X 3 t3ta1 d3115 cetth Y = teteh per men hear derived frem returned pest cards Z = he 1:3 use eerired from fishermen returning post cards [1 FIGURE 1 . __________ RIVER ROAD 1': drop sites a water sample sites A.- Ail-1‘ man Bauhaus . . . mums mm WILDLWE DEPARTMENT LAKE DAT 19 NAME [OFTIIJNALJ .. ...... Hanna mam-m MDRNINL—mm anmnoa arr? _._....BTAT ' TflTAL HOURS names mamas ' I --- 9::an um NUMHER tint-um cAucaHT uuozn THEIR NEAREB‘I’ mzz . * ‘ “ EEEE'EEEEEEEEEEEEE ' MARKED man? 9 _ "WW“ “‘1‘“ . . .I-If---=.------------ .“'_'~":o mum , .. ---=. .-- ------------ ll- 1 a III-I-I-=---III mm" —---- III-y...- ----.-- mm . —----=--------------- . 3 —f-;---. . ------------- f fltMARKB ' ' ’ - Kiubmnruilaamnu " ' I I II ' Mnmmr rust-4 CAUW WITH: "I _ can? t 3 swam: a 5 mun c 3 “gamma 2 3 PLUGMW‘M'NNDWMWBUTBMT . f mu. run-«mu t 3 Marina t a n1: aImmmn I: a 5‘""NERE‘WCRAW’WHWMDTHER87m I . tub: I 3 . ART. FLIEE—WWHRML—M _ ECONOMIC INFORMATION FORM FILLED OUT BY CREEL CLERK _0N EVERY TENTH FISHERMAN Economic Information State . City . Main reason for trip - Boat: Type Length _ Motor (hp)‘ I. Rental fees: Boat $ ‘Motor $ Launching $. . '.Licenae: Yea ' No _ Gas and 011 purchased for-boat: Gallons Cost $ . .' Meals purchased today: Number . Cost $ Light refreshments purchased for today: Cost $ I Ice for today's trip: Pounds Cost $ Lodgingplace last night . Coat'$_________________ Bait and tackle purchased for today's trip: Natural bait $ Artificial lures $ Hooks $ Sinkera $ Line $ Floats $- Dip net $ _ Stringer $ Swivels $ Mileage coat (caluclated) _ . _ _ License cost $ . . u ' I , __ ',_n_””m_ Total trip expenditure $__i_________a_______fl___m_u_fl________fl____________________ Remarks: . - . u,m“mm_______fl_ng____nfl__"_____________u———————. I:rf‘-Wqfl_.—WHI\ nip-(WM “mm-Win WWWW "‘ “E ours use daritsn ELsm fishermen hat Lstutsihg ptst sstfis 2CD E! This tuta1 haw , __ .3, 1 L {.2 O B“ '13 1—1: E" !--.l 51:21" r: T1 I“ C‘ '5‘ :3 I“: U2 .C’ H] u C) 3"“: P3 3'1 ’D ["7‘ £21" :3 M: h E!) m 9-:— ro fl 1-3 3‘ Q L. f3 (L "’1 D 3"?" 5“?“ Jul: h; {3 (*1 IF"! 9': w v.2 I”? 5-” ”'3 C U” :1 0C: E: 1" LTD Q; ”D {111.1 57-: :5 at?» $3.5 lm'c $2.. :1 U: It“? $1 $11" :4 {TI 0‘ 1.... 3",: r3 {I 31‘ (I... a C: r r_ 5. {in 31 N m :1 $1; 12' r1 CL C G) ‘3' 9“: "Ti 5.13 "J M! in P: L4» 9 f 1" 1‘; 93 3* 5.1:: 31; S 34.; The projected cats. of trout on'weekdays was saitulstss ts bs 132193 Bats ssd compilatlsls EOL this pttjsction ate given in Tables 23 Es? and Graph 23 The um of thss e 2 FLOJLLE ans? 3 5&9 Eish1 Levstis sh-shg1st hsLLsst 9 cent of ths 6 UGO:E1sh stotked is March L961c Thess t 3 iuJCfid t3 the Li sppLOXLhattly ? monthss‘with ssms.11m1tcd Latthe 'hein r L 3 late as Sept: 1967 a The decrsrss in f””h1flg pres sure. was dLLstrly ptopottions1 to the ihtrssse in days following the stocking: E1y LLsthmcn had Esitly ‘ otss s fbromghout the 7~m0hth period: ' The averags catcsh p~EI m_an hsz3f for the census psLiod sss QCEELmihEd by using data from fishermen who Phad returned the post tardc The avsLags as tch per man hour for weekends and weekdays was 0.52 and 1 0.3 LGSpsctiveiy: Ihs cstch per man houtg similar to the flkh ng pressuts dst :Lsa ssed stsadily over ths text 5 monthsfi DULing the csnsus patiflda‘WEEkfiflfi Eishstnro spent as sstmga :7 3391 hstrs p3: tLi.p and hatweated 2 3‘_2 Eishg while the weskdsy ssgisL sttsgtw 9:13 that and $31Q hours Pet trip: 1t shou1d be hoted that ths msshdsy tsssus t worst the E'Essks i.mmsdist.s1y Esllcwihg the (13:01)3 and hstjsst was st 3ta maximwsL 1hs3s tLuLLss wssa also obtained Ersm fishstmsn for whom both the CLssl isL* its as a used in the Lots1 hsLVL L astimstss sets Last talisttsd tthzgh Way 19673 but the Lsflsus was (ou*tssud into August 1967: in *fw tsgLssstci 3sth3o meLwJad1 it as hscssssry is use tht fists Edict dLLLssses is 1 T9ELM” rfiif rm m nusfg s33 E03 this fJaTOflj the Lats tellsttsé {tom Msrah {hidigh Ha» wL~ 3.31 During the pstios ELGL.MsLsh thrsugh 3gp; 11600 ‘Lsh-Lmen csnssssd with st e.tohomi mhir 196? theta wsts appstylm tsly C " 1 fishermen spent an sssrsgs st 330,3 ps3 E1 t a 9313 Lot on svs LL testh Vfiea 3 1p: Shis E3guts did as: Lns13€ the cost of gasoline ussd. it Laktng the. nut L-s the: LEpL” Lents on1v wht_ ths anglst spent in ths *mm3diitt are.s fer-1313 ' fl ‘wss run on an etsLL otEsL WE Lewd 031sa 1' number of angists would lpnl‘xlmw: 21503 asst th‘ is economic boost to the area atE approwlmitsly 319 909 w- ‘ C: ... I: . Ir Hail-”I .HHEHIH.HHHN..Iflu-nul.lhflrhll In I figifilllfi Huhfifihlllglu ha} 1' .... “HI: 1e '3‘. 9’ u m 19 r If“ CO Q (:3 1" 1 r3 3 {I} «3 ‘fi .11 y b {:6 1-1 1.31 -—=§ ...} I“ _ , 00 m, ...; '1‘“ C"! I‘M» Cr) -..] 3.3.» 3‘5 N :r C ...;r r» ..0 o I -. ' #3, RT as. 0| “.0 F'm 00 00 m {3‘1 3‘5“» C; II'"“| 1"“ 00 m (\i if} ...”: .. 3 -3 o“, 3—! 2-4 ...-Ixz.‘I Mn, ('1 (I) 1' O ‘3 3 JR *1” I" 3:4 rm". r4. 3-4. m N m m 1,3 pm. .43; 00 m up {3‘3 Q 4}) _uua 1.0 r,“ 00 53‘") 0"} m5!" Q P”; U": 1 m KO 1—32 33-! I. . I .uflnfiulhflufluhuuu. irul‘ . Influiflflllqlulr “cull“ Illul .afllsfllfiuE-HFE 3 . .nn-uuufilul I Lewes Lassa mueom mesem ssomuwwfl sq meshw Ms4ew esteem ewswm seem r sesasu AH mm we met mmm hem floueu m semz_ aLMOH emuew fisusw HEN—u“. . . I...“ “nun-HF. I . . _.. .. I . LU. flluflEEflI-Nlfllnhlflflnflnflrdfllfifimwwr" 1.. i .H... ..I .1 linllvfl . . inflflfiuuflflnflfluflu'fl" meesou ems Beam mmwsm Mm gtvLeo er Came weseesm memcso Hmmuu uiouH wssmeez H waan