Lake information report

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Name: Maple

Nearest Town: Forada
Primary County: Douglas
Survey Date: 06/08/2009
Inventory Number: 21007900
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Public Access Information

Ownership Type Description
DNR Concrete
DNR Concrete


Fishing Regulations:

Special and/or Experimental Fishing Regulations exist on this lake. Please refer to our online Minnesota Fishing Regulations.

Lake Characteristics

Lake Area (acres): 830.85
Littoral Area (acres): 387
Maximum Depth (ft): 78
Water Clarity (ft): 9

Dominant Bottom Substrate: Sand (Abundant)
Abundance of Aquatic Plants: 21 Varieties Sampled
Maximum Depth of Plant Growth (ft): 8.0 (0-17)


Did you know? The annual budget for the Section of Fisheries is approximately $17 million, which is funded primarily by fishing license and stamp fees and by a federal excise tax on fishing and boating equipment.

Fish Sampled for the 2009 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Trap net 0.08 0.3 - 2.8 0.75 0.4 - 0.8
Gill net 1.83 0.6 - 9.5 1.01 0.5 - 0.8
Black Crappie Trap net 1.67 0.7 - 3.2 0.56 0.2 - 0.5
Gill net 1.33 0.5 - 2.7 0.45 0.2 - 0.4
Bluegill Trap net 21.25 5.6 - 42.3 0.24 0.1 - 0.3
Gill net 3.42 N/A 0.28 N/A
Bowfin (dogfish) Trap net 0.08 0.4 - 1.0 3.56 3.1 - 4.8
Gill net 0.42 0.1 - 0.4 3.67 2.9 - 5.0
Brown Bullhead Trap net 0.17 0.3 - 1.5 1.55 0.6 - 1.0
Gill net 1.58 0.3 - 2.2 1.21 0.6 - 1.0
Common Carp Trap net 0.42 0.2 - 1.1 6.84 3.0 - 7.8
Gill net 0.33 0.2 - 1.7 6.72 2.1 - 9.8
Hybrid Sunfish Trap net 0.17 N/A 0.31 N/A
Largemouth Bass Trap net 0.83 0.3 - 1.1 0.76 0.2 - 0.9
Gill net 1.92 0.3 - 1.2 1.07 0.5 - 1.1
Northern Pike Trap net 0.25 N/A 3.22 N/A
Gill net 7.67 3.1 - 8.5 1.47 1.5 - 2.7
Pumpkinseed Trap net 2.00 1.7 - 8.2 0.25 0.1 - 0.2
Gill net 1.83 N/A 0.20 N/A
Shorthead Redhorse Gill net 0.08 0.2 - 1.2 1.96 1.1 - 2.5
Walleye Trap net 1.83 0.2 - 0.7 2.71 0.9 - 2.9
Gill net 17.33 1.3 - 5.5 0.99 1.2 - 2.4
White Sucker Trap net 0.75 0.2 - 1.0 3.22 1.7 - 2.9
Gill net 3.83 0.5 - 3.5 2.50 1.6 - 2.4
Yellow Bullhead Trap net 0.42 1.5 - 7.7 0.96 0.5 - 0.8
Gill net 2.75 0.9 - 10.0 1.00 0.5 - 0.7
Yellow Perch Gill net 1.17 2.5 - 24.2 0.13 0.1 - 0.2
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species (Trapnet, Gillnet) Sampled for the 2009 Survey Year

Species Number of fish caught in each category (inches)
0-5 6-8 9-11 12-14 15-19 20-24 25-29 30+ Total
black bullhead 0 0 10 13 0 0 0 0 23
black crappie 5 2 29 0 0 0 0 0 36
bluegill 29 267 0 0 0 0 0 0 296
bowfin (dogfish) 0 0 0 0 2 4 0 0 6
brown bullhead 0 0 5 14 2 0 0 0 21
common carp 0 0 0 0 0 7 2 0 9
hybrid sunfish 0 2 0 0 0 0 0 0 2
largemouth bass 0 7 14 10 2 0 0 0 33
northern pike 0 0 0 5 62 25 3 0 95
pumpkinseed 10 36 0 0 0 0 0 0 46
shorthead redhorse 0 0 0 0 1 0 0 0 1
walleye 0 3 102 50 56 15 4 0 230
white sucker 0 0 1 0 46 8 0 0 55
yellow bullhead 0 1 11 26 0 0 0 0 38
yellow perch 1 13 0 0 0 0 0 0 14


For the record, the largest Walleye taken in Minnesota weighed 17 lbs., 8 oz. and was caught:

    Where: Seagull River at Saganaga Lake, Cook County
    When: 5/13/79
    Statistics: 35.8" length, 21.3" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Walleye* fingerlings 14,000 400.0
2012 Walleye yearlings 11,912 774.0
  Walleye* fingerlings 5,000 500.0
  Walleye* yearlings 7,200 400.0
2010 Walleye* fingerlings 7,200 400.0
  Walleye yearlings 1,452 125.0
  Walleye fingerlings 11,381 655.0
2009 Walleye* fingerlings 10,000 400.0
2008 Walleye fingerlings 3,446 101.0
  Walleye adults 55 29.0
  Walleye yearlings 11,804 650.0
2006 Walleye fingerlings 12,670 776.0
2005 Walleye 48,757 28.6
2004 Walleye yearlings 7,834 474.0
  Walleye yearlings 350 66.0
  Walleye adults 260 52.0

Privately Stocked Fish
* indicates privately stocked fish. Private stocking includes fish purchased by the DNR for stocking and fish purchased and stocked by private citizens and sporting groups.

Stocking Fish Sizes
Fry - Newly hatched fish that are ready to be stocked usually called "swim-ups". Walleye fry are 1/3 of an inch or around 8 mm.
Fingerling - Fingerlings are one to six months old and can range from a size of one to twelve inches depending on the species. Walleye fingerlings range from three to eight inches each fall.
Yearling - Yearling fish are at least one year old. A one-year-old fish can range from three to twenty inches depending on the species. Walleye yearlings average from six to twelve inches.
Adult - Adult fish are fish that have reached maturity. Depending on the species, maturity can be reached at two years of age. Walleye reach maturity between the ages of four and six years.

Fish Consumption Guidelines

These fish consumption guidelines help people make choices about which fish to eat and how often. Following the guidelin es enables people to reduce their exposure to contaminants while still enjoying the many benefits from fish.

Pregnant Women, Women who may become pregnant and Children under age 15

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
MAPLE
Douglas Co., 21007900
Bluegill Sunfish   All sizes     Mercury
Crappie   All sizes     Mercury
Largemouth Bass     All sizes   Mercury
Northern Pike     All sizes   Mercury
Walleye     All sizes   Mercury
White Sucker   All sizes     Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
MAPLE
Douglas Co., 21007900
Bluegill Sunfish All sizes        
Crappie All sizes        
Largemouth Bass   All sizes     Mercury
Northern Pike   All sizes     Mercury
Walleye   All sizes     Mercury
White Sucker All sizes        

DOWID - MN DNR, Division of Waters' lake ID number.

Contaminants listed were measured at levels that trigger advice to limit consumption.

Listing of consumption guidelines do not imply the fish are legal to keep, MN DNR fishing regulations should be consulted.

Dioxin
Mercury
PCBS - Polychlorinated biphenyls
PFOS - Perfluorooctane sulfanate


Status of the Fishery (as of 06/08/2009)

Maple Lake is a mesotrophic (moderately fertile) basin located in southern Douglas County between Alexandria and Glenwood. It is connected to lakes Reno and Turtle via non-navigable culverts under State Highway 29. Maple Lake is moderate in size and relatively shallow. Maximum depth is 78.0 feet but almost half the basin is less than 15.0 feet deep. These shallow areas support a diverse aquatic plant community. Aquatic vegetation is especially dense in the shallow bays in the southwest portion of the lake. Water quality and clarity are excellent. Secchi disk readings taken by the Citizen Lakes Monitoring Program typically exceed 8.0 feet during summer months. Residential development is considered moderate to heavy. Two public accesses are present. A public fishing pier is located along the north shore adjacent to the public access and is a popular destination for shore anglers. Shore anglers also fish along the west shore by the inlet from Lake Reno. Anglers should note special crappie harvest regulations have been imposed on this basin. These regulations include a reduced possession limit of five fish and a 10-inch minimum size limit. All crappie less than 10.0 inches in length must be immediately released. Purpose of these regulations is to decrease harvest of smaller crappie and improve size structure of this population.

The fish community in Maple Lake is typical of most heavily vegetated bass-panfish lakes found in west-central Minnesota. Largemouth bass, northern pike, bluegill, and crappie are all common. Largemouth bass and pike populations are dominated by smaller fish. Mean length in 2009 was 11.7 inches for bass and 18.9 inches for pike. Like many Minnesota lakes, small "hammer handle" pike are a common problem in Maple Lake due to consistent recruitment, slow growth, and limited harvest. Anglers are encouraged to harvest small pike to reduce abundance, which hopefully will increase growth rates and improve population size structure. Bluegill and black crappie can be described as moderately abundant. Size structure of both populations has improved in recent years. Mean size in 2009 was 6.7 inches and 0.24 pounds for bluegill and 9.9 inches and 0.9 pounds for crappie. The crappie population provides a very popular fishery for both open-water and ice anglers. Special crappie regulations are in effect to help maintain and possibly improve this fishery. A creel survey conducted in 2002-2003 found angler non-compliance regarding the minimum length limit was relatively high. Potential benefits of special regulations will be undermined if angler non-compliance continues.

Record-high walleye abundance was documented in 2009. Current abundance is much higher than what is expected for this type of lake. Elevated catches are attributable to successful fingerling and yearling stockings and decreased northern pike abundance in recent years. Sampled walleye ranged from 7.3 to 26.8 inches in length, but the majority of the population was comprised of younger, smaller fish. Size structure should improve in the near future as these young fish recruit to the sport fishery. Yellow perch are typically not targeted by anglers. Abundance of this species is low and most fish are small.

Other species collected in the 2009 survey included black, brown, and yellow bullhead, bowfin (dogfish), common carp, hybrid sunfish, pumpkinseed, shorthead redhorse, and white sucker. The next lake survey is scheduled for 2014.


For more information on this lake, contact:

Area Fisheries Supervisor
23070 North Lakeshore Dr
Glenwood, MN 56334
Phone: (320) 634-4573
Internet: Glenwood Fisheries
E-Mail: Glenwood.Fisheries@state.mn.us

Lake maps can be obtained from:

Minnesota Bookstore
660 Olive Street
St. Paul, MN 55155
(651) 297-3000 or (800) 657-3757
To order, use C0980 for the map-id.


For general DNR Information, contact:

DNR Information Center
500 Lafayette Road
St. Paul, MN 55155-4040
TDD: (651) 296-6157 or (888) MINNDNR
Internet: www.dnr.state.mn.us
E-Mail: info.dnr@state.mn.us

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