next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects
href=3D"mailto:naturens@chebucto.ns.ca">nature
On 5/1/2015 3:49 PM, David & Alison Webster wrote:
> Just a guess in hindsight but with this cold weather in Jan. before
> significant snowfall and subsequent constant cold winter leading likely
> to sluggish or no flow into the skating pond, perhaps deep ice in the
> pond before significant snowfall (i.e. zero O2 influx, and small O2
> storage), a pond with trees nearby and outflow apparently by standpipe
> (i.e. a deep deposit of leaves in various stages of decomposition;
> significant O2 sink) and many fish (another O2 demand however small)
> perhaps anoxia could develop.
* that sounds plausible, and similar to situations I've seen around here
-
http://www.ontarioriversalliance.ca/anecdotes-winter-rivers-devoid-oxygen-frederick-schueler/
fred.
------------------------------------------------------------
Frederick W. Schueler & Aleta Karstad
Daily Paintings - http://karstaddailypaintings.blogspot.com/
Vulnerable Watersheds - http://vulnerablewaters.blogspot.ca/
Mudpuppy Night in Oxford Mills - http://pinicola.ca/mudpup1.htm
RR#2 Bishops Mills, Ontario, Canada K0G 1T0
on the Smiths Falls Limestone Plain 44* 52'N 75* 42'W
(613)258-3107 <bckcdb at istar.ca> http://pinicola.ca/
------------------------------------------------------------
next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects