Pond Boss Magazine
http://www.pondboss.com/images/userfiles/image/20130301193901_6_150by50orangewhyshouldsubscribejpeg.jpg
Advertisment
Newest Members
BobMoff, unclewilco, audio21, Hidden Acres, GrandBob
15652 Registered Users
Forum Stats
15652 Members
36 Forums
36023 Topics
490087 Posts

Max Online: 1210 @ 08/23/18 11:01 PM
Top Posters
esshup 24029
Cecil Baird1 20043
ewest 19533
Dave Davidson1 13559
Bill Cody 12468
Who's Online
16 registered (s252101, RStringer, ColdSpringsFarm, Bob-O, Quarter Acre, blavis, Bobbss, PaPond, KingRace78, Pat Williamson, bigpullerman, rjackson, DonoBBD, snrub, jwetovick, Jim Wetzel), 149 Guests and 478 Spiders online.
Key: Admin, Global Mod, Mod
Page 19 of 19 < 1 2 ... 17 18 19
Topic Options
#496936 - 09/28/18 07:13 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Thanks guys!

Tracy - I should have included some of the Summer data to compare. Here is a couple readings from the Summer. Surface water temps were the highest I've personally ever seen up there. Including recent data as well for easier comparison.



_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#496937 - 09/28/18 07:24 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
TGW1 Offline


Registered: 09/19/14
Posts: 2454
Loc: Harrison Co. Texas
Big difference in DO now verses then. Any chance the meter was not calibrated at the time of the higher DO readings or maybe it needs to be cleaned to get the most recent readings? It may not be comparing apples to apples when looking at my E Texas pond but the only experience I have with DO reading are my personal surveys. I know when my water temps are high the DO is lower than when my water temps are cooler. My winter and early spring readings will show DO in the 9+ range during the winter when water temps are say 55 to 65. Any way it might be the DO meter? Does not make much since to me, that the higher DO was in higher water temps.


Edited by TGW1 (09/28/18 07:35 AM)
_________________________
Do not judge me by the politicians in my City, State or Federal Government.
Thank The Good Lord the government in Washington DC gets little done.
Outlawing guns will make a lot of us down here in the South
Outlaws and proud of it

Tracy

Top
#496958 - 09/28/18 03:25 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Tracy
I don't know. It is a YSI optical DO meter. I haven't ever calibrated it or anything. Looking at the pattern from last year to this year makes me think it's something with the water. The surface DO was higher last Summer than it was last Sept and then it does the same again this year. IMO, that doesn't strike me as calibration.

When I took the last readings the water is still a really emerald green color. It doesn't appear to have cleared up at all. I would estimate the visibility to be the same as it was this Summer so it doesn't seem like plankton die off either.
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#496980 - 09/29/18 06:42 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
TGW1 Offline


Registered: 09/19/14
Posts: 2454
Loc: Harrison Co. Texas
Well, I set here this morning pretty much stumped. This may sound stupid but the only thing I can come up with is the days are longer in July and August which would produce more sunlight for a longer period of time and I would think that might produce more oxygen producing algae. Sounds pretty stupid, when thinking the longer days would produce more heat-hotter water-less O2. And that shows up when comparing afternoon sample verses morning sample. You are just going to have to find someone smarter than me, and that should not be hard to do smile Let us know what you come up with. Most likely something simple lol
_________________________
Do not judge me by the politicians in my City, State or Federal Government.
Thank The Good Lord the government in Washington DC gets little done.
Outlawing guns will make a lot of us down here in the South
Outlaws and proud of it

Tracy

Top
#496990 - 09/29/18 10:37 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
Mike Whatley Offline


Registered: 04/22/18
Posts: 503
Loc: Louisiana
That's what I think is called Aukums Razor (spelling) in which the simplest answer is usually the right one. (Saw that on big bang theory!!)
_________________________
.10 surface acre pond, 10.5 foot deep. SW LA. The epidomy of a mutt pond. BG, LMB, GSF, RES, BH, Warmouth, FHM, Longear Sunfish, Gambusia and apparently, now crappie.

Top
#497026 - 09/30/18 12:23 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Tracy - I hear you and feel pretty much the same.

I am assuming the simplest answer is it is from some kind of vegetative die off. I would just like to know WHAT exactly is dying off. I do not have much shoreline vegetation at all. The stuff I do have does not appear to be dying at all. Visibility seems the same as Summer so it doesn't seem like plankton is dying.
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497084 - 10/01/18 08:49 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
Bill Cody Offline
Moderator
Ambassador
Field Correspondent

Lunker

Registered: 04/18/02
Posts: 12468
Loc: Northwest Ohio - Malinta OH
YSI optical DO meters are supposed to be very accurate, thus the meter is likely okay. If you have the meter measure the surface oxygen in another local water body that is 'normal' and high near 8-10ppm. Or - if meter is at the cabin then when you return check DO in another very clear pond/lake to verify meter is reading a high DO.

Heavy cloud cover and storms on the previous day of the DO check probably reflects low DO production from the previous cloudy day and night.

Emerald green water with a dense algae amount in the pond could be having an influence on the DO due to more or lots of respiration and less photosynthesis. Next time there, check the surface DO at mid afternoon on a sunny day and the test it in the early morning just after sunrise when DO should be low compared to mid day; compare the two readings. This should give a rough estimate of the DO increase due to photosynthesis. Aerators appear to be mixing well the water column top to bottom. Aerators could be mixing low DO deep water throughout the pond during the day keeping DO at all depths lower. Amount of DO production due to photosynthesis will depend on the algae density (numbers per ml). Light penetration will not be very deep in emerald green water causing more respiration deep compared to DO production in the surface shallow layer from photosynthesis. Do you have a homemade secchi disk to get a clarity measurement? Secchi disk can be a rough estimate of algae density for comparison purposes.


Edited by Bill Cody (10/02/18 11:59 AM)
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497202 - 10/04/18 09:06 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Bill,

As always thank you for the insight. Unfortunately, the meter is at the cabin so I will have to check it out next Summer.

Highflyer came up this Summer with his Secci disk and we got some readings. I had to ask him because I didn't remember for sure. Our deepest reading was ~32" and the average was a little less than that.
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497232 - 10/05/18 09:26 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
Bill Cody Offline
Moderator
Ambassador
Field Correspondent

Lunker

Registered: 04/18/02
Posts: 12468
Loc: Northwest Ohio - Malinta OH
With a secchi disk reading of 32" in emerald green water expect natural DO production to 5' to 6' deep. This means lots of DO consuming respiration is going on at night and during cloudy days which is why your DO reading were relatively low of 3.5 to 4.6ppm.
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497315 - 10/08/18 03:33 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Thanks again Bill!

I didn't take a Secchi reading in September but clarity seems the same as it was in July. What would cause my DO numbers to change so much from July to September each year?

In other news....

"Winter is coming!"


Edited by wbuffetjr (10/08/18 03:42 PM)
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497326 - 10/08/18 08:28 PM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
Bill Cody Offline
Moderator
Ambassador
Field Correspondent

Lunker

Registered: 04/18/02
Posts: 12468
Loc: Northwest Ohio - Malinta OH
With light penetration of 32" and a pretty dense phytoplankton community (bloom) I think noticeable DO fluctuation would occur depending on amount of sunlight the surface receives. Remember the water column circulation you have will move the surface DO production due to phytoplankton photosynthesis throughout the water column. This will keep the surface DO lower compared to non-aerated pond. At least this is my explanation. Also in July the water was warmer at 65-70F compared to Sept of 49-54F and maybe the phytoplankton produced more oxygen in warmer water? Temperature and lack of sunlight may have acted together? Only a guess.


Edited by Bill Cody (10/08/18 08:35 PM)
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497341 - 10/09/18 08:41 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
wbuffetjr Offline


Registered: 08/16/14
Posts: 846
Loc: in the mountains
Got it, thanks Bill!

Do you think my phytoplankton will die off at some point when water temp falls to a certain level or will it take the pond icing over enough to block sunlight?

Hoping to get my buddy up there in a week or two to get another DO reading.
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
#497342 - 10/09/18 09:48 AM Re: 8 acre pond at 10,000' - lots of aeration ?s [Re: wbuffetjr]
Bill Cody Offline
Moderator
Ambassador
Field Correspondent

Lunker

Registered: 04/18/02
Posts: 12468
Loc: Northwest Ohio - Malinta OH
Phytoplankton growth depends a lot of the nutrient load and continual fluctuation of those nutrients that 'feed' the community. The two main growth nutrients are nitrogen and phosphorus, but don't forget about the other required macro and micro nutrients. The species composition of phytoplankton changes weekly if not daily due to various influences on the community. There are species that are adapted to thrive in all water temperatures. Nutrient loads and specific nutrient requirements of the species determine the density of algae. Don't expect a die off as water temperatures decrease unless the nutrients significantly decrease or the species encounter a limiting factor. When one most abundant specie dies out due to a limiting factor another specie with slightly different requirements is usually waiting to take its place. Again, total density is usually determined by nutrient availability.


Edited by Bill Cody (10/09/18 09:57 AM)
_________________________
Keep This Forum Viable, Read Pond Boss Magazine -
America's Journal of Pond Management

Top
Page 19 of 19 < 1 2 ... 17 18 19

Today's Birthdays
Brad B., JAWGADAWG
Recent Posts
Hi, everyone!
by Bob-O
24 minutes 11 seconds ago
Red ear in nebraska
by Quarter Acre
41 minutes 51 seconds ago
Water Loss During Initial Fill
by Quarter Acre
Today at 12:02 PM
One acre pond on hillside
by Quarter Acre
Today at 11:30 AM
Amazing the variety of soft plastic fish attack
by canyoncreek
Today at 11:28 AM
My pond full of outcast
by bigpullerman
Today at 10:39 AM
What did you do at your pond today?
by jludwig
Today at 08:15 AM
Catmandoo birthday
by FireIsHot
Today at 08:05 AM
Adult gills vs yoy
by Dave Davidson1
Today at 06:20 AM
Stocking Plan
by Heppy
Yesterday at 11:53 PM
Newly Uploaded Images
Cant seem to Identify what this is.  Any thoughts?
Evaluating and adjusting Fish populations and ID
Vegetation ID
Our new pond
CNBG
My Best Longear so far

2014 POND BOSS INC. all rights reserved USA and Worldwide