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May 23, 2012     Farmers Independent
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Wednesday, May 23, 2012 by Mike Rahn Sometimes we become so accustomed to seeing the world in conventional ways, that we don&apos;t take the time to consider the consequences of that accepted vision, or the viewpoint of the influential people and enterprises that shape our world. This thought occurred to me one afternoon at my in-laws' lake cabin, as I was bouncing along on the seat of Big Mow, FARMERS INDEPENDENT, Bagley, Minnesota - Page 16 'Bugs' deserve a place, too a long-out-of-production riding lawn mower that some of their neighbors have suggested we donate to a lawn mower museum, if there is such a place. It's easy for the mind to wander when all you have to do is follow the edge of your last cut, and in that wandering I recalled a commercial for a lawn care product, one designed to kill lawn insects. The part of the advertising pitch that stuck in my head touted the idea that homeowners can create a "bug-free zone," and eliminate "insect invaders." I will confess that over the years I've made my share of weed control applications to our own lawn. I cringe, too, whenever I discover insect damage to trees, shrubs or flowers. I' ve also made a number of usually-futile attempts to capture ana remove the rabbits that dine on the tender leaves and shoots of the ornamental plants in our yard. So I guess I share the guilt, too. But I had never quite envisioned a pest- free environment, or what it might take to have one. As the words of the ad continued to replay in my brain, like a catchy tune you can't rid yourself of, I couldn't help consider its implications. The idea bore a striking resemblance to at least one previous crusade-like attempt to control nature in our not-too- distant past. Having come of age during the Viet Nam war era, I immediately thought of Agent Orange. This was the defoliant that was sprayed on jungles in Southeast Asia to totally denude them of plant life. The theory was that removing all vegetation would make it more difficult to conceal enemy troops. The chemical harmed many people, friend and foe alike. It also planted in our minds the idea of overwhelming an ecosystem when we thought some other objective warrants it. I tried to envision what a "bug-free zone" would be like. Watching birds as I so often do from my kitchen window, or when in the yard, I realized that it is "bugs" that many birds live on, from insects to spiders to earthworms; crawly things of every kind and description. What will they live on in a "bug-free zone?" And other creatures, too? I also thought of Rachel Carson, and her book Silent Spring. She wrote decades ago of the (then) almost unrestricted use of pesticides, like the deadly DDT, which not only killed insect pests, but wreaked havoc up and down the wildlife food chain. Because DDT lingered in the environment, and concentrated in the tissues of creatures at every level of consumption, the top consumers often suffered without ever having direct contact with the pesticide. It threatened our national symbol, the bald eagle, by weakening their egg shells and preventing successful nesting. Fortunately, we got the message, and banned many of the worst chemicals. I'm not suggesting that today's insect control products are anywhere near the deadliness of DDT. But I am DNR fisheries marking walleye fry to evaluate stocking levels Minnesota Department of Natural Resources (DNR) fisheries biologists began an eight-year study in 2008 to determine the optimum number of walleye fry that should be stocked back into lakes where eggs are removed for stocking purposes. The first phase of the study focused on marking walleye fry using oxytetracycline (OTC) to differentiate stocked fry from those naturally produced. The last phase will now focus on determining the growth and survival of these marked fish to catchable size. "This is a cutting edge fisheries research project," said Dale Logsdon, DNR fisheries research biologist in Waterville. "It uses technology to better understand biology and to help guide management practices that result in the maximum number of walleyes for the public to catch and enjoy." Annually, the DNR collects walleye eggs from 13 different spawning runs as part of a statewide walleye production and stocking program. Lakes supporting these spawning runs represent some of the most prolific walleye fisheries in the state. The importance of assuring that hatchery operations do not have negative impacts on these fisheries has long been recognized. To compensate for possible impacts of these egg removals, the DNR has historically stocked at least 10 percent of the walleye fry hatch back into those lakes where eggs were removed. However, the effects of these compensatory stockings had never been thoroughly evaluated due to the inability to distinguish between natural and stocked fry. DNR fisheries biologists want to ensure that enough fry are returned to the lakes, but are also concerned that stocking too many fry could result in poor growth and survival of both wild and stocked fish, thus resulting in fewer catchable walleye in the population. Too many young walleye in the system at one time can result in increased competition for food, reduced growth rates, increased foraging times, and greater vulnerability to predation, according to Logsdon. "We want to optimize fry abundance to help ensure that we are maintaining the health of the walleye fisheries in our egg-source lakes." With the advent of the OTC technology, fisheries researchers are able to mark newly-hatched walleye fry by immersing them in a solution of OTC for several hours, just before they are stocked. The fry absorb a small amount of this chemical, resulting in a harmless mark left on the fish otolith, or ear bone, that can be detected years later using a microscope and ultraviolet light. "This new technology Matt Ward, large lake specialist in Walker, stocks OTC- marked walleye fry in Woman Lake. Newly-hatched walleye fry on their way to being marked with OTC (this is a shot of the fry being dumped out of the net into a bowl containing a small amount of OTC, they are then weighed in this bowl and transferred to a five gallon water jug containing a large amount of OTC solution where they will remain for six hours and then be stocked in the lake). - Woman, Winnibigoshish, Otter Tail and Vermilion - are included in the study. These lakes were chosen because of their ecological characteristics and the availability of historical fisheries data. The study's has two main objectives are to better understand the natural reproductive processes in these lakes, and to use this information to identify the optimal number or replacement fry to stock in relation to natural changes in spawner abundance. Fisheries personnel stocked marked fry at predetermined levels during the first five years. Gill net surveys will Northwest region fisheries biologists net, weigh and transfer newly hatched walleye fry into OTC solution before stocking them (photo taken at Bemidji Fish Hatchery). JA G I enables us to determine how continue the next three years I many walleye in a population to learn what fry densities DNR's history of implementing to provide some of the nation's originate from stocking versus maximize survival, growth research projects that aim to best fishing. natural reproduction," Logsdon and abundance. Achieving improve the understanding For more information on the said. "If a florescent mark these target fry densities will and management of the state's walleye fry marking research is present, we know we are likely require adjustments of fishery resource. Minnesota, project, contact the local DNR looking at a stocked fish." historical stocking rates, one of the nation's top five fisheries office nearest the Four egg-source lakes This study continues the angling destinations, continues study lake. !• • Collision Repair Frame Straightening • Fasl & Free Compuledzed Fsfimales • Glass Replacement & Repair . Towing Sendce • Call Anytime Vinyl, Printed & Lighted Signs Banners • Logo Design Striping & Graphics Truck Letlering Over 45 homes on the lot KING OF THE ROAD VA - FHA Conventional Financing Available BAGLEY 0It COMPANY 694.2294 • #1 Fuel • #2 Fuel • #2 B-5 Fuel • #2 B-5 On Road • Gasoline • #2 Performance Gold • Bulk Oil - Grease - Antifreeze • Residential • Commefical • Fuel Assistance Vendor Fawns born in May; DNR urges people to leave them alone May is the month when most and only then, when the fawns upon it. especially problematic because fawns are born. The Minnesota are strong enough to outrun What's the right way to handle it encourages the transmission of Department of Natural Resources predators, do the young travel an encounter with a fawn? Never animal disease such as chronic (DNR) is urging people to leave much with their mother, try to catch it. If it's hiding, wasting disease (CWD). CWD fawns and other wildlife alone. Deer have evolved a number admire it for a moment and then can be spread through saliva While a newfawnmay appear of special adaptations that make quietly walk away. Enjoy the when multiple deer eat from helpless, it is important to stay this approach to fawn rearing memory, but don't describe the the same food source - such as away and not interfere with the successful. Fawns have almost no location to others. If the fawn feedersorpilesoffeedleftonthe doe's natural instinct for raising its young. A doe's method of rearing offspring is different from a human's, especially for the first few weeks. Within hours of birth, the fawn is led to a secluded spot and the doe lets it nurse. With a full stomach, the fawn is content to lie down and rest. If the doe has twins, it will hide the second fawn up to 200 feet away. Then the doe leaves to feed and rest herself, out of sight but within earshot. In four or five hours, she will return to feed her young and take them to a new hiding place. They follow this pattern for two to three weeks, odor, so predators cannot smell them. Their white spotted coats provide excellent camouflage when they are lying on the forest floor. For the first week of life, frightened fawns instinctively freeze, making full use of their protective coloration. Older fawns remain motionless until they think they have been discovered, and then jump and bound away. A deer's primary tries to follow, gently push on its shoulders until it lies down, and then walk away. That's what its mother does when she doesn't want the fawn to follow. Leaving fawns alone gives them the best chance for survival. Even most orphaned fawns are best suited to survive without human intervention. Never feed or place a collar on a fawn or other wild animal. ground. Feeding deer can concentrate animals in feeding areas, which makes them more susceptible to predation, vehicle collisions or other unwanted human interactions. What begins as a good intention to help the animal ultimately promotes disease and lessens the animal's ability to survive independently. Not all animals survive, and and see Kerby for that II FRONT END ALIGNMENTI Replace those [I worn out Ball Joints, Tie Rod Ends and Idler Arms il i C_/ i '' I   " s,'ic I I D E L I € I Iit₯iiiiiiiii:iiiiiiiiiiiiil I I Im • VI111MI011 •/I/C 1 Find us on: facebook Fernoces • fleat Pump • Air Conditioners Dud Work & Cleaning • Custom Sheet Metal Fobdcetion • Reto-Routering • Chimney Cleoning * Instoiletion & Service (All Brnnds) Lood Testing & Sysfem Dedgn struck by how easy it is for us, me included, to think of our manicured lawns and our beautiful ornamental plants and flowers, or vegetable gardens, as being of paramount importance. More important, in fact, than other living things that share our space. I, for one, don't need to have a lawn and gardens so perfect that my wildlife neighbors need to be sacrificed for that objective. Besides, some of those "bugs" we're being encouraged to free ourselves of, are just as interesting as the most beautiful rose, or the most delicious strawberry. m --z,- - mnd d lmdu [_:._y.-'"" ;_ :__ ..... .; .qi Jmr.klm- ewes Wd 8,Xjklr fd hflf:. 0 a.at.- Span. me)00.eoTJ Septic Pumping Satellite Toilet Rentals (218)785.2652 Bagley, MN 56621 (Yesterday's meals on wheels) 218-694-2020 www.rnoosecreel<graphlcs,com I protection 'rom predators is its great speed. Newborn fawns are not fast enough to outdistance predators, so they must depend on their ability to hide for protection. Although these adaptations work well against predators, they don't work very well with people. For the first few weeks, a fawn's curiosity may entice it to approach a person who comes Collating a wild animal sets it apart from others and increases the likelihood for harm to the animal. Collared wild animals are not protected from hunting or animal control activities by law enforcement. Conditioning any wild animal to seek human-provided food will cause them to stop seeking their natural food sources. Feeding deer can be some mortality is a natural occurrence. For more information about interacting with a wild animal, contact a local DNR area wildlife oitice for suggestions. In most cases, letting nature take its course is the best advice. Dodor .’u,.,,,/.  ,J 9€€/ Ckaw Wilklk Vin Ia. I/MOUTIY T00! BAGLEY MERCANTILE HARDWARE HANK i BAGLk, MN 56621 PHONE: (218) 694-2073 I RAMSRU.D. -) snhwnino;;:. ;er;,, EAng00i:es ,.O.F.---- _cArt WfSTON: 00e5-2062. s§e-loee j - Sk00=w00ks • Demaak00n Comm00 • Site Prepara00n • Bobcat Servi00 & Landscepino CLYDE JOHNSON e,.,ng . !2181700i-7181" lle:12111116-0013 1 Bx 556 - ]kgl Mlq 5t21 CONTACT CLYDE AT (218) 766-7477 or (218) 694-2226 e: (218) 796-5009 I Cell: {218) 280-3849 • Toll Free: 888-285-9232 ,_ New tomltmffen, bnwdel &/le G--I ilDERBRuGGEN PLUM IN L =,.b...,,.. II Calh (218) 694-2414 (Honm) • (218) 766-0902 (Cell) www.facebook.comlgvt.I Te, eG;lde: Voa I ImeYa ny