Aquaponics Digest - Sat 04/15/00
Message 1: note to all
from "Sam Levy"
Message 2: Book Annoucement
from "James Rakocy"
Message 3: Aquaponics Short Course at UVI
from "Donald Bailey"
Message 4: Re: Stytrofoam
from "Donald Bailey"
Message 5: Re: If I wanted to hatch - AgVentures magazine
from Crystalcreekaqua
Message 6: Greenhouses
from "beacnhrt"
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| Message 1 |
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Subject: note to all
From: "Sam Levy"
Date: Fri, 14 Apr 2000 22:27:22 PDT
hello everyone,
i will have to drop off the list for a while-possibly a couple of
months--due to matters unrelated to aquaponics or aquaculture (and which
will leave me with only sporadic on-line access).
before i do, i just wanted to post a short goodbye and to say what a
pleasant & learning experience this has been and to thank everyone for the
sharing of information.
i wish everyone well on their projects & hope to re-join soon.
best regards to all,
sam
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| Message 2 |
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Subject: Book Annoucement
From: "James Rakocy"
Date: Sat, 15 Apr 2000 10:31:13 -0400
Announcing
A New Book from The World Aquaculture Society
Tilapia Aquaculture in the Americas, Volume Two
Edited by Barry A. Costa-Pierce and James E. Rakocy
ISBN#1-888807-04-0
Volume Two of this popular series is now available from The World
Aquaculture Society. This book contains 17 chapters from 25 tilapia industry
leaders, scientists and development experts who have pioneered the
extraordinary success story of tilapia aquaculture in the Western
Hemisphere. Once known only as a colorful and unusual mouthbrooder found in
the Cichlid section of pet stores, tilapias are now a major seafood item in
world trade. In the U.S. alone the American Tilapia Association estimated
total consumption of tilapia at 112 million pounds in 1998.
The authors of volume 2 capture the diversity and dynamism of tilapia
aquaculture in the Americas at the beginning of the 21st century. There are
new chapters about tilapia in Cuba, Honduras, Brazil, Jamaica, the Caribbean
nations, and a review of exciting new opportunities in the southeast USA.
There are comprehensive chapters on economics, marketing, and processing,
plus a review of tilapia geothermal aquaculture in the western USA. There is
new scientific information on the potential of tilapia fisheries.
Together as a set the books provide the most comprehensive source of
detailed information on the tilapias in the Americas ever assembled. The new
volume would be useful for scientists to capture the state-of-the-art; for
fish farmers to evaluate new potential areas, technologies, markets,
economics and processing options; for educators interested in describing an
aquaculture success story; and for consultants developing tilapia
aquaculture in new regions of the world.
WAS Member Prices
for Volume Two: $45
for the set (Volumes One and Two): $80
Non-WAS Member Prices
for Volume Two: $75
for the set (Volumes One and Two):
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| Message 3 |
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Subject: Aquaponics Short Course at UVI
From: "Donald Bailey"
Date: Sat, 15 Apr 2000 10:48:28 -0400
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The University of the Virgin Islands will hold an Aquaponics and Tilapia
Aquaculture Short Course June 25 - July 1, 2000.
Time is running short for those wishing to attend. A deposit is =
required by June 1 to reserve your place in the class. Act Now!
Following is the course announcement. Additional information for the =
course
is available at its web site
http://rps.uvi.edu/AES/Aquaculture/UVIShortCourse.html
Program - 7-day course that will provide in-depth knowledge of the
principles and practical application of the aquaponic and greenwater =
tank
culture systems that have been developed at the University of the Virgin
Islands. Participants will be introduced to a variety of system designs =
that
maintain water quality by various solids removal techniques and by
hydroponic plant culture (aquaponics), a suspended growth process
(greenwater tank culture) or fixed-film nitrification. Fish production
instruction will be conducted using both the Nile tilapia (Oreochromis
niloticus) and red tilapia. Hydroponic plant production will focus on
lettuce, but will also cover many other vegetables as well as culinary =
and
medicinal herbs and ornamental flowers.
Instruction - Each day will include a half-day of classroom lecture and =
a
half-day of hands-on field work. Participants will learn the technology
through presentation of the theory and practical skill development. Each
student will be given a notebook of reference materials. Water quality =
labs
will cover the standard methods of analysis and the use of water quality
test kits. Field work will include fish handling, vegetable production =
and
system operation.
Facilities - UVI is located in the heart of beautiful St. Croix. The
Aquaculture Program operates twelve research-scale systems (six =
aquaponic
and six greenwater) as well as commercial-scale aquaponic and greenwater
systems, a greenwater demonstration system with an associated vegetable
garden, a fry sex-reversal system, a recirculating system for fingerling
rearing and a purge system. The program annually produces about 20,000 =
lbs.
of tilapia and more than 1,000 cases of vegetables.
Cost - This course will cost $790 for instruction, course materials,
graduation banquet and a sailing trip to Buck Island National Park for a =
day
of snorkeling amid spectacular coral reefs. Daily dorm rooms are $35
(double) or $50 (single) and are available for 8 nights (June 24-July =
2).
Meals cost $5-10 each at the school cafeteria. Airfare to St. Croix, =
USVI is
not included in the registration fee and should be arranged separately =
by
each individual.
Registration - Register by contacting Dr. James Rakocy at the address =
below.
Please provide name, address, telephone and fax numbers, e-mail address =
and
a brief description of background and experience with tilapia production
and/or hydroponics. Enrollment is limited. A $300 deposit, payable to =
the
University of the Virgin Islands, is necessary by June 1, 2000. No =
refunds
will be made for cancellation after June 15. The balance will be due the
first day of class.
For more information and to register contact Dr. James Rakocy, RR 2, Box
10,000, Kingshill, VI 00850, Phone: 340-692-4020, E-mail: =
jrakocy@uvi.edu
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The University of the Virgin Islands will hold an =
Aquaponics=20
and Tilapia
Aquaculture Short Course June 25 - July 1, =
2000.
Time is running short for those wishing to =
attend. A=20
deposit is required by June 1 to reserve your place in the class. =
Act=20
Now!
Following is the course announcement. Additional =
information=20
for the course
is available at its web site
http://rp=
s.uvi.edu/AES/Aquaculture/UVIShortCourse.html
Program=20
- 7-day course that will provide in-depth knowledge of the
principles =
and=20
practical application of the aquaponic and greenwater tank
culture =
systems=20
that have been developed at the University of the Virgin
Islands.=20
Participants will be introduced to a variety of system designs =
that
maintain=20
water quality by various solids removal techniques and by
hydroponic =
plant=20
culture (aquaponics), a suspended growth process
(greenwater tank =
culture) or=20
fixed-film nitrification. Fish production
instruction will be =
conducted using=20
both the Nile tilapia (Oreochromis
niloticus) and red tilapia. =
Hydroponic=20
plant production will focus on
lettuce, but will also cover many =
other=20
vegetables as well as culinary and
medicinal herbs and ornamental=20
flowers.
Instruction - Each day will include a half-day of =
classroom=20
lecture and a
half-day of hands-on field work. Participants will =
learn the=20
technology
through presentation of the theory and practical skill=20
development. Each
student will be given a notebook of reference =
materials.=20
Water quality labs
will cover the standard methods of analysis and =
the use of=20
water quality
test kits. Field work will include fish handling, =
vegetable=20
production and
system operation.
Facilities - UVI is located =
in the=20
heart of beautiful St. Croix. The
Aquaculture Program operates twelve =
research-scale systems (six aquaponic
and six greenwater) as well as=20
commercial-scale aquaponic and greenwater
systems, a greenwater =
demonstration=20
system with an associated vegetable
garden, a fry sex-reversal =
system, a=20
recirculating system for fingerling
rearing and a purge system. The =
program=20
annually produces about 20,000 lbs.
of tilapia and more than 1,000 =
cases of=20
vegetables.
Cost - This course will cost $790 for instruction, =
course=20
materials,
graduation banquet and a sailing trip to Buck Island =
National Park=20
for a day
of snorkeling amid spectacular coral reefs. Daily dorm =
rooms are=20
$35
(double) or $50 (single) and are available for 8 nights (June =
24-July=20
2).
Meals cost $5-10 each at the school cafeteria. Airfare to St. =
Croix, USVI=20
is
not included in the registration fee and should be arranged =
separately=20
by
each individual.
Registration - Register by contacting Dr. =
James=20
Rakocy at the address below.
Please provide name, address, telephone =
and fax=20
numbers, e-mail address and
a brief description of background and =
experience=20
with tilapia production
and/or hydroponics. Enrollment is limited. A =
$300=20
deposit, payable to the
University of the Virgin Islands, is =
necessary by=20
June 1, 2000. No refunds
will be made for cancellation after June 15. =
The=20
balance will be due the
first day of class.
For more =
information and=20
to register contact Dr. James Rakocy, RR 2, Box
10,000, Kingshill, VI =
00850,=20
Phone: 340-692-4020, E-mail: jrakocy@uvi.edu
<=
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| Message 4 |
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Subject: Re: Stytrofoam
From: "Donald Bailey"
Date: Sat, 15 Apr 2000 11:05:46 -0400
There have already been lots of replies to this question but let me
encourage you to use Dow Blue Board, aka extruded, closed-cell polystyrene.
White styrofoam made of expanded pellets is much less durable than the blue
board and you will end up with plenty of broken pieces. To harvest our
lettuce at UVI Aquaponics Project we lift the full sheets with up to 60
heads of lettuce out of the tank and onto a waist level stand. You need a
strong material to hold the 60 lbs of lettuce that is on the sheet.
In the past we used a 1 7/8" hole saw on a drill to cut the holes for a 2"
net pot. Recently we purchased a Rotozip saw and have found that it cuts
beautiful holes. The trouble with the hole saw is the time consuming
process of removing the cut-out polystyrene from the saw after each cut.
When you are cutting hundreds of holes, as we do, the time added up. With
the Rotozip saw the piece falls away, the hole sides are smooth and the
sheet is quickly prepared.
We also use a 4x8 plywood sheet template to place the holes. The plywood
sheet is precut with the holes at the required spacing for the plant variety
we are growing. This template is placed over the polystyrene and the holes
are cut through the material.
We paint the polystyrene with Non-toxic roof paint. An unpainted sheet will
quickly deteroiate in the sun.
Finally, to answer your question... We buy our polystyrene Dow blue board
from Apache Inc. in Miami FL. We buy by the bundle which is 66 sheets of 1
1/2" material
Good luck.
Don Bailey
UVI-AES Aquaculture Program
http://rps.uvi.edu/AES
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> | Message 1 |
> '------ ------ ------ ------ ------ ------ ------ ------ ------ ------'
> Subject: Styrofoam
> From: LEBO714
> Date: Fri, 14 Apr 2000 09:47:11 EDT
>
> Hi All,
>
> I am planning a small hydro set-up with
> floating net pots and would like to know where
> to get the styrofoam sheets for flotation. I am
> in a major metro area so I should not have to
> have it shipped. But should I be looking at Home
> Depot or some other specialty place like a Florist
> Supplier ?
>
> Thanks in Advance,
>
> Al
>
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| Message 5 |
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Subject: Re: If I wanted to hatch - AgVentures magazine
From: Crystalcreekaqua
Date: Sat, 15 Apr 2000 13:56:49 EDT
AgVentures Magazine's address:
agventures
Or snail mail:
AgVentures
11950 W. Highland Ave.
Blackwell. OK 74631
Their rates are $21/yr/6 issues or $29/2 yr. and they are about niche
markets such as ours. This is a magazine that covers the unusual products
such as butterflies, snails, frogs, bison, elk... and they include
references to people in the business, associations, extension agents,
universities and the ads are related to the material. Altogether a very
interesting magazine! I found it advertised in Emu Today but have also seen
it in Mother Earth News. I thought everyone on this list knew about it since
it covers aquaponics. Now everyone does. (disclaimer: I don't work for them
but am excited about some of the topics they cover. It gives me ideas for
the diversification of my farm.)
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| Message 6 |
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Subject: Greenhouses
From: "beacnhrt"
Date: Sat, 15 Apr 2000 23:57:05 -0500
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If I recall, this is the day that us capatalist types can put in our =
pitches.
If I am wrong, please let me know. Although I did not join the list to =
sell
greenhouses, I will be happy to provide one to anyone who needs one at
a good price. Our basic hoop is made in seven sections for easy =
assembly.
this also allows them to be shipped via UPS to any destination. Our =
frames
are in the gothic style with rounded angles.
We also have a full line of environmental control equipment including =
the
only recirculating cooling system that can not fail due to clogging by =
debris,
algae, lime, etc. For the last several years we have offered the best =
controllers
on the market. But, we will soon be offering one that puts them to =
shame.=20
If you are in need of a house or equipment, Please contact me off the =
list at
beaconhrt@positech.net . If I can not help you, I can probably point you =
in the
right direction.
Melvin Landers
Beacon =
Horticultural Systems
=20
P.S. If anyone knows any researchers who may be interested in expanding =
the research on the cropping method I describe on my personal web site, =
please refer them to http://members.tripod.com/melvinlanders . =
=20
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