TPWD 1965 F-4-R-12 #1000: Inventory of Hubbard Creek and Proctor Lakes Including an Evaluation of the Pre-impoundment Rotenone Treatment of Hubbard Creek Lake

--- Page 1 --- JOB COMPLETION REPORT As required by FEDERAL AID IN FISHERIES RESTORATION ACT Federal Aid Project No. F-4-R-12 FISHERIES INVESTIGATIONS AND SURVEYS OF THE WATERS OF REGION 2-A Job No. B-31: Inventory of Hubbard Creek and Proctor Lakes Including an Evaluation of the Pre-impound- ment Rotenone Treatment of Hubbard Creek Lake. Project Leader: Dwane Q. Smith W. J. Cutbirth Acting Deputy Director Texas Parks and Wildlife Department Austin, Texas Eugene A. Walker Marion Toole Director, Wildlife Services D-J Coordinator August 19, 1966 --- Page 2 --- ABSTRACT Despite the pre-impoundment fish kill executed on the Hubbard Creek watershed, rough fish species have increased faster in this lake than in Proctor Lake where no kill was accomplished. Factors influencing this situation are not clear from data collected so far. The job will be completed in the next segment of work. --- Page 3 --- JOB COMPLETION REPORT State of Texas Project No, F-4-R-12 Name: Fisheries Investigations and Surveys of the Waters of Region 2-A. Title: Inventory of Hubbard Creek and Proctor Lakes Including an Evaluation of the Pre- Job No. B- 31 Period Covered: November 1, 1964 - October 31, 1965 Objectives: 1. To determine the fish species present, their relative abundance and the factors influencing their distribution. 2. To compare the fish population in Hubbard Creek Lake (pre- impoundment rotenone treatment of watershed) with those of Proctor Lake (untreated watershed) to determine the following: ae Rough fish - game fish ratio. b. Growth rates (based on length of time since stocking). ce Coefficient of condition of game species. d. Reproduction of game species. Introduction: Hubbard Creek Lake Hubbard Creek Lake, located nine miles northwest of Breckenridge in Stephens County, Texas, was built by the city of Abilene, Texas and is controlled by the West Central Texas Water District. The earthen dam, across Hubbard Creek below the confluence with Sandy Creek, will impound 16,000 surface acres when full but inun- dated approximately 4,000 surface acres during the F-4-R-11 and F-4-R-12 segments of work. Hubbard Creek Lake was created to provide a water supply for Abilene and smaller surrounding cities. No emphasis were placed on recreation or recreational facilities. Construction was completed in the fall of 1962 and 2,000 surface acres of water were impounded that year. Additional water was impounded during the spring of 1963 to raise the total surface acres to 4,000. Soils on the watershed are primarily of clay and clay-loam with underlying limestone. Shoreline vegetation is very limited. Mesquite is the predominant --- Page 4 --- -2- tree while the shoreline supports bermuda grass, sunflowers and various other range grasses and weeds. The lake is very susceptible to wind which hinders fishermen through wave action. Hubbard and Sandy Creeks, within the lake basin, were treated at the rate of 1.5 ppm liquid rotenone during the last two weeks of August 1962. Prior to the basin treatment all farm ponds were treated with powdered rotenone in an attempt to eliminate existing pond fish populations (Project F-14-D-6, Job 16a37). Proctor Lake Proctor Lake is located on the Leon River near Proctor, Comanche County, Texas. The structure was built by the Army Corps of Engineers for flood prevention and recreation. Work on the dam was completed in the spring of 1963. Due to heavy rains on the watershed the lake was filled immediately. Lake Proctor has 4,600 surface acres of water which is supplied by Rush Creek, Sabanna River and Leon River. Soils on the watershed are primarily sand with underlying clay. Peanuts and watermelons are the principal crops grown on the immediate watershed. The shoreline has a variety of trees including large pecan trees intersperced with post oak. Bermuda is the predominant grass. Launching ramps, camp sites, picnic areas and paved roads, built by the Corps of Engineers, make the lake very attractive and extremely accessible to the public. No pre-impoundment fish kill was attempted. Stocking of Lakes Stocking of fish in both lakes from State hatcheries is tabulated in Table l. Those fish stocked in the Hubbard Creek Lake basin during the months of August and September 1962 were placed in farm ponds which had previously been treated with rotenone to remove native fish. Techniques: Gill nets were used to sample fish populations and were set at stations established during the initial (F-4-R-11) segment of this job. The nets were 150 feet long and 6 feet deep, with square mesh graduated from one inch to three and one-half inches, changing every 25 feet. Nets were set in the afternoon and raised the following morning. Netting trips were made to each lake during a minimum of six months of each segment. These trips were distributed more or less randomly over the segment periods. In Hubbard Creek Lake 8,550 feet of net was set during the first segment and 6,450 feet set during the second. In Lake Proctor 8,350 feet were set the first year and 6,000 feet the second. Scientific names of fish mentioned in this report are shown in a checklist (Table 2). The checklist also reflects the various species included among the terms "rough fish", "game fish" and "miscellaneous sunfish", as used in this report --- Page 5 --- - 3- Table 1. Stocking of Hubbard Creek Lake and Proctor Lake. Hubbard Creek Lake Largemouth Channel Catfish Flathead Crappie Date ___Bass Catfish Blue Catfish _ White 8-62 10,000 2,000 9-62 5,000 103,050 12,000 10-62 19,000 10,700 24,000 2,000 4-63 350,000 1,096 Totals 384,000 115,750 36 , 000 2,000 1,096 Proctor Lake Largemouth Channel Catfish Flathead Crappie Date ___Bass Catfish __Blue | Catfish White _ 6-63 167,700 8-63 76,980 10-63 5,050 Totals 167,700 76,980 5,050 NOTE: See checklist for technical names of fish appearing in this table. --- Page 6 --- Table 2. Rough Fish Spotted gar Longnose gar Gizzard shad Smallmouth buffalo River carpsucker Carp Black bullhead Yellow bullhead Freshwater drum Game _ Fish Channel catfish Blue catfish Flathead catfish Largemouth bass White crappie Miscellaneous sunfish Warmouth Green sunfish Redear sunfish Bluegill Longear sunfish Lepisosteus oculatus L. osseus Dorosoma cepedianum Ictiobus bubalus Carpiodes carpio Cyprinus carpio Ictalurus melas I. natalis Aplodinotus grunniens Ictalurus punctatus I. furcatus Pylodictis olivaris Micropterus salmoides Poxomis annularis Chaenobryttus gulosus Lepomis cyanellus L. microlophus L. macrochirus L._megalotis Checklist of fishes mentioned in this report and arranged within categori designated for reporting purposes. --- Page 7 --- Discussion: Despite the pre-impoundment fish kill, rough fish comprised 40.65 per cent of number and 55.36 per cent of weight of all fish netted in Hubbard Creek Lake during the initial segment (Table 3), as opposed to 40.71 per cent by number and 41.87 per cent by weight for Proctor Lake where no kill was attempted (Table 4). During the second segment of work, rough fish comprised 61.85 per cent of number and 65.39 per cent of weight of the fish netted from Hubbard Creek (Table 5), and 51.08 per cent and 45.46 per cent respectively for Proctor (Table 6). It can be seen from this that rough fish species increased significantly faster in Hubbard Creek Lake during the first two years, despite the pre-impoundment fish kill. However, specific factors influencing this situation are less evident. It seems probable that detailed examination of all data available including comparison of stocking techniques, times of impoundment for each lake, plus analysis of catch by species and group composition, size ranges and condition factors within species, catch rates by species and groups, and similar indices, may allow conclusions to be drawn. The data presented herein is incomplete, as the job has entered a third and final segment. For this reason, no further analysis at this time appears warranted. When final data has been collécted and analyses completed, any significant findings will be offered for publication in an appropriate journal. Otherwise, a detailed presentation will be given in the job completion report. Prepared by:___ Dwane Q. Smith Approved by: J 7, Aah tarde Lisoke Project Leader Coordinator Date: August 19, 1966 | _ GARY WOOD, Regional Supervisor --- Page 9 --- 62°E 99° 67°7 19°% 8T°? SL°T 8E°T TE°T Lo°z c8°T eT°? TES LL°% £9°T 89°0O SIeIOAY - wn 0” °7-06°T 8 BI°E-Z5°T 9S SB°Z-ET*Z OfT SL°€-00°Z 6SE 02° -99°0 SI SZ°Z-2S°T osofz 88°T-OT'T LLE OL*T-L6"°0 762 ZS°Z-O%°T £29 St°7-7S"T 121 00° -ZE°T 219 08°Z-00°2 70L 0% *7-Sz°z 06€ S7*Z-LOT 981 - €86°Z 7L£°0-29°O 18S asuey Tr 1s 1384 Lae °AYy 0S -SZ S7T-0S O8T-08 TLO‘T -02 T9E ‘T-Sh Z90°E-6175T 9%7°T-OTT €L9*1-Sz vETST-09 GLE-SL 970°S-S8T ETT -S6E S€8*Z-OST STS-O€ 998°6-7EL LyZ*T-0n7 wg asuey ys tS HOT 621 OT €9z VATA S647 682 092% SOE ZLT L62 90€ Te? 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