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Mosquito control on your pond or lake
We receive so many questions regarding mosquitoes on ponds especially as it relates to zika virus, that it was time to publish a guide. Even if you do not own a pond this is good information to have if you live near water.
Mosquitoes on ponds and lakes: living with and without them!
With the fear of zika virus riding the wave of the Rio Olympics, it is time we offered some guidance to pond and lake owners to clarify management of mosquitoes.

As with so many issues in life we have the choice of proactive prevention or reactive treatment. Today we focus on the best solution: prevention of mosquitoes. There are two types of water to avoid in your ponds and lakes: 1) water surfaces that frequently fluctuate in elevation and 2) acidic water which usually presents itself as brown stained / tea color swampy type of water.

Mosquitoes have the ability to avoid the oxygen-rich healthy and stable water that supports all the animals ( and a few plants) that prey on them. Most of these predators need water with sufficient oxygen to live out life cycles that usually span more than a year. Eliminating predators via temporary or fluctuating water levels gives the mosquito a safe habitat in which to thrive. The strategy is simple: no permanent water = no predators.

The second method a mosquito utilizes is selecting acidic water that very often experiences low/no dissolved oxygen that will not support the predators or competitors for food. Very generally, acidic waters are the most likely to be lacking in dissolved oxygen due to decaying vegetation and other biota. Again, generally speaking the most visible indicator of acidic water is the color. As water becomes more acid due to rotting plants etc, the more brown or tea color stain the water will appear. Even if a small garden pond or water feature is well circulated and oxygen-rich, the mosquitoes will sense the acidity of the water and deposit eggs. Yes this is complex and full of exceptions because natural waters are not often acidic and full of oxygen.

The indicators of healthy water are more simple. The water should either be clear and colorless or have a greenish hue. These indicate
neutral or basic pH water with sufficient oxygen to support a healthy population of predators such as dragonflies and damselflies which
are our favorite predators since they prey on mosquitoes both as immature nymphs and colorful adult dragonflies. Soft mud/sand pond bottom substrate and submerged aquatic plants will provide habitat for a range of mosquito predators. Either habitat
will work; both are better together. If you build it, they will come.

Of course there are more mosquito assassins around the pond such as fish, bats, birds and frogs, all of which should be encouraged. Predatory aquatic insects are simply ubiquitous, abundant and eager to volunteer to move into your ponds and lakes. Dragonflies and
damselflies just happen to be very colorful and beautiful.

Since maintaining water level in the pond or lake is a straight forward fix, we will describe methods to avoid acidic water. In most cases tea colored acidic water is caused by great amounts of vegetation in and around the water. Some vegetation is virtually required, but a preponderance of plants will cause stained water due to periods of dead or decaying plants. Ponds that rely heavily on plants and are not designed to efficiently break down dead plants will need to be more intensively managed. Thus too much reliance on plants may be a sign of sub-optimum design. Relying on the addition of straw or dead plants in an attempt to limit algae also adds to brownish stained water if treated to excess. Eventually the stain in the water will diminish if the inputs are removed. Water can be exchanged for
cleaner water, but again this is not a desirable practice. Note that there are times when water may appear brown, but it is caused by a
brown colored algae on the pond / lake bottom. The best time to address all of these issues is before a pond or lake is built. Look for images of waters built using methods that render either green or colorless clear water. Perhaps the most frequent occurrence of the mosquito question arises during the discussion of natural swimming ponds or natural pools. Pre-construction is the time to assess the quality of water around your future landscape or beach. For further discussion, visit

© 2016
#mosquitoes   #control   #ponds   #lakes   #zika   #virus  

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Check out this home at
2beds · 2baths
432 Convent Church Rd, Leesville

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Five Gorgeous Forest Houses Linked In A Horizontal Condominium

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different forms of natural swimming pool
9 Photos - View album

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Our beautiful pond 100 feet from our front porch. 

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Any questions why it is said dogs are our best friends? This should answer it all! This is how you really take your dog to the stream / pond / lake for a day of fishing! Warning: this is absolutely adorable and will cause you to want to run out to get a puppy!

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From our pond to yours, wishing all a peaceful Christmas and happy holidays!

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The darkness of winter brings its own beauty to a lake or pond. We've all seen Emerald Lake in Yoho National Park in BC Canada, but not many have seen it like this.
Winter brings it own quiet beauty to a lake or pond. This is Emerald Lake in Yoho national park, BC Canada. It is a very popular lake to photograph in summer. We enjoy seeing this new winter perspective.

#lakes   #ponds   #landscapes   #photography  

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For those last minute stocking stuffers for the fishing fanatic.... create a home made gift certificate for this homeless lady's flies.... This is a very compelling story for the Christmas season! It also makes fishing the pond / lake that much more pleasant.
Debbie is a homeless woman who comes into the shop to tie flies so she can earn some money. We give Debbie a hand up and now she is tying down to size 30 parachute dry fly. Please support Debbie and order some flies tied by her. Anglers Addiction donates the material for Debbie and she can pay her direct if you wish. Anglers Addiction shop number is 719-296-5886, Debbie comes in everyday to tie flies and she is now getting really good with foam flies and emergers.

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progetto per una biopiscina privata di 60 m2
progettazione e costruzione biopiscine in tutta Italia
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