Lake information report

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Name: JULIA

Nearest Town: PUPOSKY
Primary County: Beltrami
Survey Date: 08/25/2003
Inventory Number: 04-0166-00
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Public Access Information

Ownership Type Description
Minnesota DNR Concrete NORTH END OF LAKE OFF OF CO RD 26. 12 UNIT PARKING.


Lake Characteristics

Lake Area (acres): 450.00
Littoral Area (acres): 167.00
Maximum Depth (ft): 43.00
Water Clarity (ft): 11.00

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


Did you know? Ongoing habitat improvement and maintenance work is conducted on trout streams that have publicly owned land or easements.

Fish Sampled up to the 2003 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Gill net 34.6 0.8 - 7.7 0.46 0.4 - 0.8
  Trap net 1.2 0.3 - 3.2 0.23 0.4 - 0.8
Black Crappie Gill net 0.2 0.6 - 3.5 0.47 0.2 - 0.5
  Trap net 0.6 0.7 - 3.4 0.81 0.2 - 0.6
Bluegill Gill net 0.3 N/A - N/A 0.19 N/A - N/A
  Trap net 1.3 6.1 - 46.6 0.11 0.1 - 0.3
Brown Bullhead Gill net 0.9 0.5 - 2.5 0.60 0.6 - 1.0
  Trap net 3.1 0.4 - 2.1 0.93 0.6 - 1.1
Hybrid Sunfish Gill net 0.1 N/A - N/A 0.41 N/A - N/A
Largemouth Bass Gill net 0.4 0.3 - 1.7 1.57 0.6 - 1.2
Northern Pike Gill net 10.0 3.5 - 10.5 1.64 1.6 - 2.9
  Trap net 0.8 N/A - N/A 1.26 N/A - N/A
Pumpkinseed Sunfish Gill net 6.6 N/A - N/A 0.11 N/A - N/A
  Trap net 8.1 2.0 - 8.5 0.09 0.1 - 0.2
Rock Bass Gill net 4.3 0.3 - 1.9 0.46 0.2 - 0.5
  Trap net 1.9 0.5 - 1.8 0.42 0.2 - 0.5
Walleye Gill net 11.9 1.3 - 5.0 1.94 1.3 - 2.5
  Trap net 3.6 0.3 - 0.7 2.76 1.1 - 3.4
Yellow Perch Gill net 64.2 3.4 - 43.6 0.17 0.1 - 0.2
  Trap net 4.2 0.5 - 3.3 0.15 0.1 - 0.2
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species Sampled for All Gear for the 2003 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 10 171 126 13 0 0 0 0 320
Black Crappie 1 1 3 2 0 0 0 0 7
Bluegill 10 5 0 0 0 0 0 0 15
Brown Bullhead 4 2 10 20 0 0 0 0 36
Hybrid Sunfish 0 1 0 0 0 0 0 0 1
Largemouth Bass 0 0 0 4 0 0 0 0 4
Northern Pike 0 0 1 2 53 39 2 0 97
Pumpkinseed Sunfish 97 15 0 0 0 0 0 0 112
Rock Bass 17 25 14 0 0 0 0 0 56
Walleye 0 2 10 35 43 47 2 0 139
Yellow Perch 35 376 37 3 0 0 0 0 451


For the record, the largest Silver Redhorse taken in Minnesota weighed 9 lbs., 15 oz. and was caught:

    Where: Big Fork River, Koochiching County
    When: 4/16/04
    Statistics: 26.6" length, 16 7/8" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2012 Walleye fry 250,000 2.2
2011 Walleye fry 250,000 2.2
2009 Walleye fry 250,000 2.3
2008 Walleye fry 250,000 2.3
2006 Walleye fry 250,000 2.3
2005 Walleye fry 250,000 2.3

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
JULIA
Beltrami Co., 04016600
Northern Pike   shorter than 20" 20" or longer   Mercury
Walleye   shorter than 20" 20" or longer   Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
JULIA
Beltrami Co., 04016600
Northern Pike   All sizes     Mercury
Walleye   All sizes     Mercury

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 08/25/2003)

Lake Julia is a 450-acre lake with a maximum depth of 43 feet. The lake is located about 10 miles north of Bemidji in central Beltrami County. There is a DNR public access on the north end of the lake off of county road 26. The Minnesota Department of Natural Resources has classified Minnesota's lakes into 43 different lake classes based on physical and chemical characteristics. Lake Julia is in lake class 31. Other lakes in the same lake class include Black, Deer, Sand, Whitefish, Little Wolf and Upper LaSalle Lakes. Typically lakes in this class are hardwater lakes with regular shaped shorelines. The DNR manages the lake for walleye, northern pike and yellow perch.

Since 1975 walleye fry have been stocked roughly two out of every three years. In the 2003 assessment, however, there was evidence that natural reproduction was also contributing walleye to the fishery. The 1996 and 2003 abundance ratings for walleye were the highest recorded out of 11 assessments since 1970. In 2003 the size of walleye improved from 1996. In 2003 the average length and weight was 17.0 inches and and 1.9 pounds.

In the past northern pike were stocked 12 times between 1954 and 1981 from winter rescue operations on nearby Puposky Lake. There has been no noticeable decline in pike abundance since stocking was discontinued. The 2003 pike catch rate was comparable to other lake class 31 lakes. There appears to be migration to and from Lake Puposky which is a large shallow lake containing abundant prime pike spawning habitat. Its ability to produce pike has been documented by the volume of pike removed in winter rescue operations. Additional areas of prime spawning habitat that are available by connections are Crane and Strand Lakes to the east. In 2003 there has been a reduction in the size of pike from previous assessments. Only 12% of the pike were greater than 22 inches in length.

In 2003 bluegill, black crappie and largemouth bass all were sampled for the first time. Though unauthorized transportation and stocking of fish is illegal, it continues to occur. These species, being native to many surrounding lakes, appear to be harmless introductions. But once populations become fully established, they will certainly be displacing production of other desirable fish species. The most serious outcome of transporting aquatic species of any kind is the possibility of inadvertently transporting one of many exotic species invading waters through out the country. Introductions of some exotic species can cause irreversible environmental damage. We will continue to monitor these three recent introductions to see where their populations will eventually stabilize, and their affect on the rest of the fish community. Bluegill, because of their recent introduction, are still quite small with only ages 1 - 3 sampled. No bluegill sampled were over 6.5 inches long. They are growing fast and acceptable size bluegill will be present in the future. Members of the sunfish family that are native to Lake Julia sampled in past assessments were rock bass and pumpkinseed sunfish. In 2003 pumpkinseed sunfish were still the most abundant sunfish sampled and made up 68% of all sunfish sampled. They ranged in length from 3.3 to 7.4 inches.

Yellow perch are abundant in Lake Julia and provide anglers with quality fish as well as food for predator fish such as northern pike and walleye. Perch had a diverse size structure ranging from 5 to 13 inches.

Another species sampled is black bullhead. Their abundance was well above what you would typically find in a lake class 31 lake. They ranged in length from 5 to 14 inches with an average of nine inches. Their abundance and size provides an excellent bullhead fishery for anglers that appreciate the species.

As with many lakes in the Bemidji area, there has been much development and has likely impacted fish habitat and water quality. Shoreline areas are critical areas for fish production and water quality. Overdeveloped shorelines can't support the fish, wildlife and clean water that is associated with natural undeveloped lakes. The combined effects of all lakeshore owners "fixing up" their property can greatly affect a lake's ability to produce fish and protect water quality. Lakeshore owners can minimize their impact on shoreline and maintain a more natural setting. For more information on how to accomplish this, contact your nearest Area Fisheries office.


For more information on this lake, contact:

Area Fisheries Supervisor
2114 Bemidji Ave
Bemidji, MN 56601
Phone: (218) 308-2339
Internet: Bemidji Fisheries
E-Mail: Bemidji.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 C2444 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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