Lake Management - Ackenberry Trout Farms
Transcription
Lake Management - Ackenberry Trout Farms
Grass Carp Using Grass carp for biological weed control can be a very environmentally friendly, economical and a rewarding lake management tool. Instead of dumping complex chemicals into ponds, consider using grass carp to efficiently control undesirable weeds. We need some weeds to grow in our lakes, but it is nice to have grass carp graze the weeds down to keep them from looking unsightly or leaving to much organic material decomposing on the bottom of our ponds. Many of our golf course customers phone in amazement when they see schools of these fish sunning themselves at the water surface on a hot day. Grass carp don’t eat all species of weeds so talk to one of our experts and find out if they are the right solution for your pond or lake. Weed cutters To control the few type of aquatic weeds that carp don’t eat, we use the Weedrazer to cut these down. It takes about 30 min for 2 people to cut and collect weeds from 30 meters of shoreline (10 meters out) using the Weedrazer and Raker together. This technique permanently removes these nutrients from your pond helping the problem instead of putting a band-aide on the problem. The Weedrazer is also great at cutting weeds near docks and area’s used by boats and public. The WeedRaker is a great tool to remove hair algae or filamentous algae because it has 8” long replaceable tines. Algaecides POLYDEX—POLYPRO Ackenberry Pond & Lake Management Ph POLYDEX and POLYPRO is used to control undesirable algae, bacteria and smells in lakes or ponds. POLYDEX is NSF 60 certified for use in drinking water and water treatment plants. Another product from the same manufacture is called Polypro. This product is less expensive but not certified. POLYDEX is a unique solution containing electrostatically charged natural mineral ions. These ions attract and bond to negatively charged organisms stopping metabolism, causing death. POLYDEX is a sensible alternative to synthetic compounds that negatively impact our environment. Equally important these minerals are essential micronutrients to plants, livestock and humans. POLYDEX is proven in municipal, commercial, and private settings. POLYDEX is used to kill algae, kill e-coli and other undesirable bacteria while not killing aerobic heterotrophs and nitrifying bacteria at managed treatment rates. It can also be used in water features to keep them free of algae and microbial growth. POLYDEX can be used to protect water sources for water treatment plants, processing plants and livestock water sources. We use POLYDEX to replace granular copper sulphate (illegal for algae treatment). In ponds treated with granular copper sulphate (GCS) products only a Same pond before Polydex treatment small percentage of the copper kills the algae while and three days later! the rest precipitates out on the pond or lake bottom. This excess concentrated copper kills beneficial organisms such as heterotrophic bacteria, nitrifiers, and invertebrates at the bottom of the lake. These organisms are responsible for improving our water quality and with repeat use of GCS products we can make the water quality of our lake deteriorate for many years. For more information and lake management consultation please contact the POND PRO Lake Management Team at Ackenberry lead by biologist Lorne Louden, BSc. Call 780 878-3839 Fax: 780 878-3769 or email ackenberry1@aol.com Check our Website at www ackenberrytroutfarms.com Improving water quality with Lake Management Working with nature to preserve our lakes for future generations. Ackenberry Trout Farms is a professional pond supply and pond service company. Our lake management team uses environmentally responsible techniques to permanently improve pond or lake water quality. We strive to seek out the most advanced pond equipment and most researched products to service or improve your Lake. Most products are available, however we only carry quality products that we test and prove to ourselves before introducing them to you. If we have not tested a specific product and we want to use it we will tell you it is experimental. Some of our services and products include Pond Aeration design and install, Lake Fountains, Trout Stocking, Grass Carp Stocking, Weed and Algae Control, Drinking Water Improvement, Water Clarification, Lake Mapping and Consulting Services. Our lake management team, headed by biologist Lorne Louden, BSc. attributes our success to offering great services, great products at fantastic prices. Lorne has 11 years experience improving lakes and ponds both for customers and on our own 6 experimental ponds at ATF. Lorne also has 25 years experience in breeding fish, designing life support systems for aquaria, and looking after commercial aquaria. Our team uses water chemistry, nutrient mapping, and bathometric maps to design a lake management plan that works for you. We use energy efficient Robust-aire and KASCO aeration systems, biological and chemical clarifiers, phosphate absorbers, grass carp, weed cutters and mineral based algaecides to make your pond better. Lake Biology Does your lake have excess algae and weeds, dirty looking water, ever increasing sludge layer or dreaded fish kills? If you answered yes to one or more of these problems your lake may be eutrophic. When a lake becomes highly eutrophic (water rich in nutrients) the delicate balance of phytoplankton, zooplankton, plants and fish is changed. Nutrient rich water from soil erosion, or fertilizer use around watercourses and lakes speed up the process of eutrophication. When all of the oxyEutrophic Lake: Bottom has gone anaerHealthy Lake: Many species of bacteria gen is consumed faster than obic. Invertebrates, heterotrophic bacteria invertebrates and fish co-exsist at lake it is replenished at the lake and nitrifying bacteria die. Nutrients are bottom. Nutrients are converted very consumed slow and phosphate, iron and bottom (the sediment / water quickly and phosphates, iron and potassipotassium are released into water colum are locked up at the bottom. New interface) it is said to be anumn. phosphates absorbed by minerals & iron. aerobic. In some cases this lack of oxygen is seasonal but because all the phosphates are released within 5 days of the sediment going anaerobic the damage for the season is done. Nutrients that were once consumed by bacteria or absorbed by the aerobic sediment layer are released during these low oxygen events. This is known as internal nutrient loading (INL). New nutrients that enter the lake from external sources is called external nutrient load (ENL). INL usually makes up 50 - 90 % of nutrients of a Eutrophic lake. Normal lakes with healthy aerobic sediments have INL as low as 2% of the total nutrients. When the bottom is anoxic anaerobic bacteria take over and reduce wastes at a much slower rate. Toxins such as hydrogen sulphide (smelly water) and methane's are released. The benthic biota that once had a great diversity of invertebrates and bacteria are now lost. Less live food is available for fish. A thicker layer of sludge is deposited at the bottom of the lake each year. Eventually blue-green algae (cyanobacteria) becomes the dominant species mid summer, blocking light from other beneficial phytoplankton and plants. The lake is now eutrophic and without lake aeration the process mother nature turns this pond or lake into a swamp and then into a bog. This is the natural evolution of lakes and this is where bogs and marshes come from. For more information call Ackenberry at 780 878 878--3839, email ackenberry1@aol.com or go to www. www.ackenberrytroutfarms.com ackenberrytroutfarms.com Lake Aeration Keeping the bottom of the lake oxygenated is the easiest solution to stopping internal nutrient loading from becoming the dominant source of nutrients in your lake or pond. A properly designed aeration system should keep the dissolved oxygen levels throughout the water column at 7 ppm or higher. This can reduce internal nutrient loading by 98% and external nutrient loading as well. We can design and quote a lake aeration system to reduce these nutrients. This service is free! Fish will be able to feed on invertebrates on the bottom as well as natural zooplankton throughout the lake. Professionals use Robust-aire or Max-air systems in water greater than 8 feet of water, and KASCO surface aerators or fountains in less than 8 feet of water. A fountain can replace some diffusers in a lake that is any depth. The rest of the diffusers will move enough water. For information on aeration check out Ackenberry’s Aeration handout. It is loaded with useful information. We have sold and helped install over 700 systems in Canada. Biological Pond Clarifiers One of the simplest ways to improve water clarity and reduce organic sludge at the pond bottom is by dosing your pond or lake with bacillus species of bacteria. These heterotrophic bacteria work hard to reduce organics and nutrients in your pond naturally. These food grade bacteria work for your pond just like probiotic yogurt works for our intestinal tract. At Ackenberry we sell Pond Pro All Natural Pond Clarifier bacteria that comes in easy to apply water soluble packs (wsp’s). It only takes minutes / acre to throw these small packs in a 1/2 hectare pond. We sell only freshly fermented bacteria each year in a 1 billion—5 billion bacteria count / gram. Our bacteria are on the Canadian DSL list. If you have high dissolved oxygen at the bottom of your pond these bacteria can reduce and reverse the accumulation of black muck. Even the black carbon is converted to CO2 by these heterotrophic bacteria. Water Clarifiers & Phosphate absorbers When solving water quality issues we have to realize every Lake and Pond has its own unique problems. You may have a newly dug earth pond that has lots of clay and dirt in the water. Other ponds might have silt laden water entering them in the spring. Pond Logs or Floc Logs Before Pond Log 2 hours after Pond Log can cure most of these problems. If your pond is brown with tannins, one of our flocculants can fix this. Does you’re your pond still have high phosphate levels after properly aerating your lake. Depending on the results of your water sample we may use Phos-Gone, flocculent or pond logs. Ackenberry staff can analyze your water and soil from your lake to determine which solution is right for your specific pond. Ackenberry Lake Management team has helped many pond owners, golf courses, Lake associations, Hutterite Colonys and others solve their water quality problems. We have the tools and knowledge to diagnose and fix problems such as excess Algae or weeds, fish kills, dirty or smelly water, increasing sludge layer and other Water quality problems. Ackenberry only sell quality products for your aeration, fountain, weed/algae control and water clarification needs.