Nick Zarlinga
Aquarium Biologist
Cleveland Metroparks Zoo
216.661.6500 ext 4485
><)> -----Original Message-----
><)> From: owner-nanfa_at_aquaria.net
><)> On Behalf
><)> Of john bongiovanni
><)> Sent: Saturday, November 08, 2003 10:44 AM
><)> To: nanfa_at_aquaria.net
><)> Subject: NANFA-- NJZ-pond scum Follow-up
><)>
><)>
><)> Nick,
><)>
><)> How was your pond scum problem resolved this past
><)> summer? We had a thread
><)> going at one point discussing one of the ponds at
><)> the zoo that went Green. I
><)> think you assigned the problem to one of your neophytes.
><)>
><)> I had a discussion with some locals last night
><)> with a similar problem. Late
><)> in the summer, their pond (called a tank in Texas)
><)> tuned green. It is fed by
><)> spring water, so it is not necessarily a stagnant
><)> issue. There is a hay field
><)> nearby that gets fertilized and apparently the
><)> runoff goes into the creek. I
><)> suggested growing soem floating plants such as
><)> hornwort and building a strong
><)> riparian zone. The fast growing floating plants
><)> will absorb the water born
><)> phosphates and nitrates. When they overgrow, they
><)> can be raked out of the
><)> pond ands used as mulch.
><)>
><)>
><)> john
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/ reflect the beliefs or goals of the North American Native Fishes
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/ nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
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/ For more information about NANFA, visit our web page, http://www.nanfa.org