Lake information report

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Name: Farm Island

Nearest Town: Bennettville
Primary County: Aitkin
Survey Date: 08/02/2010
Inventory Number: 01015900
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Public Access Information

Ownership Type Description
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): 2002.91
Littoral Area (acres): 883
Maximum Depth (ft): 56
Water Clarity (ft): 6.2 (3.5-9)

Dominant Bottom Substrate: N/A
Abundance of Aquatic Plants: N/A
Maximum Depth of Plant Growth (ft): N/A


Did you know? Fisheries personnel monitor and regulate aquaculture, fishing tournaments, commercial fishing operations, aquatic plant management, and aeration.

Fish Sampled for the 2010 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Crappie Trap net 3.27 0.3 - 1.7 0.53 0.3 - 0.6
Gill net 0.73 0.2 - 1.1 0.66 0.2 - 0.5
Bluegill Trap net 10.67 3.7 - 42.9 0.16 0.1 - 0.2
Gill net 3.67 N/A 0.33 N/A
Bowfin (dogfish) Trap net 0.80 0.3 - 1.1 5.53 3.9 - 5.1
Gill net 0.20 0.1 - 0.2 3.34 3.0 - 5.2
Brown Bullhead Trap net 0.27 0.3 - 1.7 1.40 0.7 - 1.1
Gill net 0.20 0.3 - 1.6 1.28 0.7 - 1.2
Hybrid Sunfish Trap net 0.33 N/A 0.29 N/A
Gill net 0.53 N/A 0.24 N/A
Largemouth Bass Trap net 0.40 0.4 - 1.4 1.05 0.3 - 0.7
Gill net 0.47 0.3 - 1.2 1.41 0.6 - 1.0
Northern Pike Trap net 0.60 N/A 1.94 N/A
Gill net 9.07 3.0 - 7.9 1.82 1.7 - 2.8
Pumpkinseed Trap net 1.47 1.6 - 6.9 0.15 0.1 - 0.3
Gill net 0.87 N/A 0.18 N/A
Rock Bass Trap net 1.27 0.7 - 3.3 0.54 0.2 - 0.5
Gill net 2.07 1.0 - 6.6 0.65 0.3 - 0.5
Tullibee (cisco) Gill net 0.67 0.5 - 5.2 1.53 0.4 - 1.0
Walleye Trap net 0.93 0.3 - 0.9 2.11 1.0 - 2.2
Gill net 7.87 4.0 - 9.6 1.35 1.1 - 1.9
White Sucker Gill net 0.93 1.0 - 3.5 1.97 1.5 - 2.3
Yellow Bullhead Trap net 0.53 0.9 - 4.8 0.97 0.7 - 1.0
Gill net 1.33 0.6 - 6.4 1.04 0.6 - 0.9
Yellow Perch Trap net 0.13 0.7 - 3.7 0.11 0.1 - 0.2
Gill net 1.00 7.1 - 33.9 0.11 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 2010 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 crappie 4 10 42 4 0 0 0 0 60
bluegill 110 100 0 0 0 0 0 0 215
bowfin (dogfish) 0 0 0 0 2 4 9 0 15
brown bullhead 0 0 0 7 0 0 0 0 7
hybrid sunfish 6 7 0 0 0 0 0 0 13
largemouth bass 3 0 0 8 2 0 0 0 13
northern pike 0 0 0 5 68 62 5 5 145
pumpkinseed 21 14 0 0 0 0 0 0 35
rock bass 6 14 30 0 0 0 0 0 50
tullibee (cisco) 0 0 5 0 5 0 0 0 10
walleye 0 3 9 29 78 13 0 0 132
white sucker 0 3 1 0 10 0 0 0 14
yellow bullhead 0 0 14 14 0 0 0 0 28
yellow perch 10 7 0 0 0 0 0 0 17


For the record, the largest Goldeye taken in Minnesota weighed 2 lbs., 13.1 oz. and was caught:

    Where: Root River near Hokah
    When: 6/10/01
    Statistics: 20.1" length, 11.5" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Walleye fry 1,330,000 12.0
2012 Walleye fry 1,330,000 11.7
2011 Walleye fry 1,335,000 12.2
2009 Walleye fry 890,000 8.9
2008 Walleye fry 890,000 8.9
2007 Walleye fry 890,000 8.9
2006 Walleye fry 890,000 8.9
2005 Walleye fry 890,000 8.9
2004 Walleye fry 900,000 9.0

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
FARM ISLAND
Aitkin Co., 01015900
Bluegill Sunfish All sizes        
Bullhead   All sizes     Mercury
Cisco   All sizes     Mercury
Crappie All sizes        
Largemouth Bass     All sizes   Mercury
Northern Pike   All sizes     Mercury
Walleye   All sizes     Mercury
White Sucker All sizes        

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
FARM ISLAND
Aitkin Co., 01015900
Bluegill Sunfish All sizes        
Bullhead All sizes        
Cisco All sizes        
Crappie All sizes        
Largemouth Bass   All sizes     Mercury
Northern Pike All sizes        
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 08/02/2010)

Farm Island Lake is a 2,054 acre lake located about 7 miles south of Aitkin. There are two state owned public access with concrete ramps on the lake - one each on the north and south side of the lake. The lake is heavily developed with 22.6 homes/cabins per shoreline mile based on 2000 data. The maximum depth is 56' and about 43% of the lake is 15' deep or less. Shallow water substrates consist primarily of sand and gravel, although areas of rubble, boulders, detritus, and silt are also present. The aquatic plant community is quite diverse with 46 species present and is critical to maintaining healthy fish populations. Emergent plants such as bulrush are common along much of the shoreline. It is essential to protect and maintain these plants as they are important for shoreline protection, maintaining water quality, and provide critical spawning habitat for bass and panfish species. Submerged plants provide food and cover needed by fish and other aquatic species. Although the invasive species curly leaf pond weed is present in abundance, Eurasion water milfoil is likely to become established within the next several years due to its abundant presence in Tamefish Lake, just upstream on the Ripple River.

The walleye population in Farm Island is largely the result of the annual fry stocking program, although some natural reproduction does occur. In 2010, a gap in stocking was created to allow for more detailed evaluation of walleye reproduction in Farm Island as per the current management plan. The 2010 walleye catch of 7.9/gill net is average when compared to similar lakes and is typical of catches since the 16"-19" protected slot limit was implemented in 1996. Ten different year classes were represented with the 2005, 2006, and 2007 year classes accounting for 75% of the current population. Many of these fish were within the protected size range and provide quality angling opportunities. The very strong 2005 year class is likely to grow past the protected slot in the near future, and had an average size of 18 inches already in July with some fish already over 20 inches. Average length and weight of all walleyes was similar to 2007 at 16" and 1.4lbs. Information compiled in recent years suggests that the protected slot regulation has enhanced overall walleye abundance, improved the size structure of the walleye population, and increased angler catch rates of larger fish. The regulation was made permanent following public review and support in 2010.

Northern pike were caught in above average numbers for the fifth consecutive netting at 9.1/gill net. Average length and weight were 20.4" and 1.8lbs. Only 7% of these fish measured at least 24", however several fish over 30 inches were observed in the survey. The 2007 year class was most abundant, representing 69% of the catch and measuring approximately 17-23". The Farm Island Lake Association has been encouraging a voluntary release program for fish between 24 and 36 inches. These sizes of fish in Farm Island are likely female and do have good growth potential, with fish up to 35 inches observed in the spring trap net assessment.

Largemouth bass abundance in both trap and gill nets was somewhat lower than past catches at 0.4/trap net and 0.5/gill net. Past trap net catches have ranged from 0.5-1.7 per net making the 2010 catch the lowest to date. Past gill net catches also tended to be higher ranging from 0.3-1.9/gill net.

The 2004 bluegill catch of 10.7/trap net, it is average when compared to similar lakes, although it is lower than most previous catches. The size structure was relatively well balanced with 18% of trap netted bluegills measuring 7" or larger compared to only 9% in 2007. Black crappies were present in good numbers and size structure when compared to catches on similar lakes.

Tullibee and yellow perch are important forage species for the lake's game fish. Tullibee abundance was average and similar to past catches at 0.7/gill net. Yellow perch abundance continues to be low compared to other lakes, but at 1.0/gill net, is typical of past catches.


For more information on this lake, contact:

Area Fisheries Supervisor
PO Box 138
1200 Minnesota Ave S
Aitkin, MN 56431
Phone: (218) 927-7503
Internet: Aitkin Fisheries
E-Mail: Aitkin.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 B0002 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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