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Big Muskellunge Lake 2016-17

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Big Muskellunge Lake 2016-17 WISCONSIN DEPARTMENT OF NATURAL RESOURCES CREEL SURVEY REPORT BIG MUSKELLUNGE LAKE VILAS COUNTY 2016-17 Treaty Fisheries Publication Compiled by Jeff Blonski & Jason Halverson Treaty Fisheries Technicians CONTENTS INTRODUCTION.................................................................................................................. 1 GENERAL LAKE INFORMATION ..................................................................................... 2 Location ........................................................................................................................... 2 Physical Characteristics ................................................................................................... 2 Seasons Surveyed ............................................................................................................. 2 Weather ............................................................................................................................ 2 Fishing Regulations ......................................................................................................... 2 SPECIES CATCH AND HARVEST INFORMATION ........................................................ 2 CREEL SURVEY RESULTS AND DISCUSSION .............................................................. 3 Survey Logistics ............................................................................................................... 3 General Angler Information ............................................................................................. 3 RESULTS BY SPECIES ....................................................................................................... 3 ACKNOWLEDGMENTS ..................................................................................................... 4 SUMMARY TABLES Table 1. Sportfishing effort summary .................................................................................... 5 Table 2. Creel survey synopses .............................................................................................. 6 SPECIES CATCH AND HARVEST INFORMATION Gamefish Figure 1. Walleye ............................................................................................................. 7 Figure 2. Northern Pike .................................................................................................... 8 Figure 3. Muskellunge ..................................................................................................... 9 Figure 4. Smallmouth Bass .............................................................................................. 10 Figure 5. Largemouth Bass .............................................................................................. 11 Panfish Figure 6. Yellow Perch .................................................................................................... 12 Figure 7. Bluegill ............................................................................................................. 13 Figure 8. Black Crappie ................................................................................................... 14 Figure 9. Rock Bass ......................................................................................................... 15 Cover Art: Steve Hilt, Portland, OR Fish Graphics: Virgil Beck, Stevens Point, WI INTRODUCTION hours per week, during the open season for Fish populations can fluctuate due to gamefish from the first Saturday in May natural forces (weather, predation, through the first Sunday in March. Creel competition), management actions (stocking, surveys are not conducted in November regulations, habitat improvement), when fishing effort is low and ice conditions inappropriate development (habitat are often unsafe. The survey is run during degradation), and harvest impacts. daylight hours, and shift times change from Wisconsin Department of Natural Resources month to month as day length changes. fisheries crews regularly conduct fishery surveys on area lakes and reservoirs to Creel survey clerks travel their lakes gather the information needed to monitor using a boat or snowmobile to count the changes, identify concerns, evaluate past number of anglers at predetermined times, management actions, and to prescribe and to interview anglers who have fishery management strategies. Netting and completed their fishing trip. Data is electrofishing surveys are used to gather data collected on what species they fished for, on the status of fish populations and catch, harvest, lengths of fish harvested, communities (species composition, marks (fin clips or tags), and hours of population size, reproductive success, fishing effort. Collecting completed-trip size/age distribution, and growth rates). The data provides the most accurate assessment other key component of the fishery that we of angling activities, and it avoids the need often need to measure is the harvest. to disturb anglers while they are fishing. On many lakes in the Ceded Territory of A computer program is used to make northern Wisconsin, harvest of fish is estimates of total catch and harvest of each divided between sport anglers and the six species, catch and harvest rates, and total Chippewa tribes who harvest fish under fishing effort by month, as well as for the rights granted by federal treaties. The tribes year in total. Keep in mind that these are harvest fish mostly using a highly efficient only estimates based on the best information method, spearing, during a relatively short available, and not a complete accounting of time period in the spring. Every fish in the effort, catch, and harvest. Accurate spear harvest is counted – a complete estimates require that we sample a sufficient “census” of the harvest. and representative portion of the angling activity on a lake. The accuracy of creel We also measure the sport angler harvest survey results, therefore, depends on good to assess its impact on the fishery. However, cooperation and truthful responses by it would be highly impractical and very anglers when a creel clerk interviews them. costly to conduct a complete census of every angler who fishes on a lake. Therefore, we You may have encountered a DNR creel conduct creel surveys. survey clerk on a recent fishing trip. We appreciate your cooperation during an A creel survey is an assessment tool used interview. The survey only takes a moment to sample the fishing activities of anglers on of your time, and it gives the Department a body of water and make projections, or valuable information needed for estimates, of harvest and other fishery management of the fishery. parameters. Creel survey clerks work on randomly-selected days and shifts, forty 1 This report provides estimates of: Weather 1. Overall fishing effort (pressure) Ice-out on Big Muskellunge Lake was 2. Fishing effort directed at each species around April 19, 2016. Fishable ice formed 3. Catch and harvest rates on Big Muskellunge Lake in mid December. 4. Numbers of fish caught and harvested Fishing Regulations Also included are a physical description The following seasons, daily bag limits, of Big Muskellunge Lake; discussion of and length limits were in place on Big results of the survey; and detailed Muskellunge Lake during the 2016-17 summaries, by species, of fishing effort, fishing season: catch and harvest. Bag Min. Species Season Limit Size Largemouth Bass 5/7-3/5 1 18" GENERAL LAKE Smallmouth Bass 5/7-6/17 Catch&Release 6/18-3/5 1 18" INFORMATION Musky 5/28-11/30 1 40" Big Northern Pike 5/7-3/5 5 none Walleye 5/7-3/5 3 Muskellunge No Minimum, 1>14" Lake Panfish year round 25 none Rock Bass year round none none SPECIES CATCH AND HARVEST INFORMATION Angling effort, catch, and harvest information is summarized for each species in Table 2 and Figures 1-9. Table 2 also includes a comparison of these statistics Location with the previous creel survey. Information Big Muskellunge Lake is located in presented about species whose fishing Vilas County near the town of Boulder season extends beyond March 5 should be Junction. considered minimum estimates. Each species page has up to five graphs depicting Physical Characteristics the following: Big Muskellunge Lake is a 930 acre seepage lake with a maximum depth of 70 1. ESTIMATED FISHING EFFORT feet. Littoral substrate consists primarily of Total calculated number of hours sand, with gravel, rock and some muck also during each month that anglers spent present. Big Muskellunge Lake contains fishing for a species. alkaline, clear water of high transparency. 2. ESTIMATED SPECIFIC CATCH Seasons Surveyed AND HARVEST RATES The period referred to in this report as Calculated number of hours it takes the 2016-17 fishing season ran from May 7, an angler to catch or harvest a fish of 2016 through March 5, 2017. The open the indicated species. Only water creel survey ran from May 7 through information from anglers who were October 31, 2016, and the ice fishing creel specifically targeting that species is survey ran from December 1, 2016 through reported. March 5, 2017. 2 3. ESTIMATED CATCH AND RESULTS BY SPECIES HARVEST Calculated number of fish of the Walleye (Table 2, Figure 1) indicated species caught or harvested Walleyes received the most fishing effort by all anglers, regardless of targeted of any gamefish species during the 2016-17 species. season. Anglers spent 10,197 hours targeting walleye. The greatest fishing effort 4. LENGTH DISTRIBUTION OF for walleyes was in January (1,596 hours). HARVESTED FISH September had the least amount of walleye All fish
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