Environmental - Biosecurity, Ecosystems, Predation, Pollutants

Not only are Carp an invasive species that destroy the ecosystem for native fish (and Koi should NEVER be released into the wild), but they also dominate other invasive species.  Full text of this interesting study after the break...

Someone asked me the other day how to best deter predators from ponds.  The primary predators are fish-eating birds like Herons.  They wade in the water and kill anything that moves.  They will actually kill every Koi in the pond (or poke a hole in the larger fish), even though they can only eat one fish.  Racoons can't catch a healthy fish, but will eat one that is near the edge because it is sick or dying.  To test that theory, stand in your pond, and try to catch a fish by hand.  Even assuming you are smarter and have bigger hands than coons, bet you can't catch the Koi (unless they are used to you feeding them by hand)!  Here is a great article by Syd Mitchell to answer the plastic heron debate, and to discuss alternatives to keep your pond safe.  Hint - the very best system uses several of the devices pictures above (sold as Pond Scarecrows).  Full text after the break...

In a previous post, I mentioned that both Koi and Goldfish must now be labeled as Invasive when sold in New York.  This article discusses the word done by University of Notre Dame on carp prevention barriers for the Great Lakes.  Read more after the break...

Have you heard about Rain Gardens?  We all know that rain-water runoff can be a big problem to Koi ponds, mostly cause it carries in toxins from the surrounding landscape.  Rain Gardens - a 'bioretention system' help!  While this study pertains to the Pacific Northwest and Salmon, the principles can be incorporated into our Koi pond landscapes.  Another thought - just try and get everyone in the neighborhood not to use chemicals on their lawns and gardens...  Full story after the break...

The following is an article excerpted from NPR.  If you were to get a foot of rain overnight, how would that affect YOUR Koi Pond?  Maybe we all need to start thinking of how to keep the Koi IN the ponds...

BY BETH BROGAN Bangor Daily News

A proposed ordinance which would ban the retail sale of dogs, cats and rabbits in Branford, CT was referred to an ad-hoc subcommittee by the town's Rules & Ordinance Committee at a hearing on July 2nd, 2013.

Let me start by noting that I live in Connecticut, and am usually proud of my state!  The state of Connecticut has compiled a long record of firsts.

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