Abiotic components of our eco - column
Test 1:
Temperatures:
Temperature
of room: 29 degrees Celsius
Temperature
of aqua zone: 28 degrees Celsius
pH of water:
pH of water
is 9
No
difficulties were encountered when recording the pH.
Test 2:
Temperatures:
Temperature
of water: 21 degrees Celsius
Temperature
of room: 22 degrees Celsius
pH of the water:
pH of water
is still 9
No
difficulties were encountered when recording the pH.
Photos of us taking recordings:
Terra
The earthworms are thriving because the moisture is perfect
for the earthworms and the temperature is a warm, there is plenty nutrients for
them to eat and at night the light is dark as usual which is very good for
earthworms. “It is moist as fresh water
is added is regularly as possible. Earthworms need
few requirements to thrive; a dark, moist environment with plenty to eat is all
they need. The result is nature's perfect fertilizer.” http://www.worms4earth.com/aboutworms.php
Decomposition
The moisture is good enough for the fruit fly eggs to hatch
as the decomposition zone is quite closed so the eggs can be able to hatch.
Fruit flies are attracted to rotting materials and this affecting our decomp
zone as the material is rotting, fruit flies prefer humid temperatures. “Fruit flies are active in the summer, but you
won't find them in cold winter temperatures. The tiny pests will find their way
into your home in warm months, hovering around exposed fruit and food wherever
they can find it” this supports my point of the fruit flies being attracted to
warm temperatures.
Read more: Can Cold Temperatures Kill
Fruit Flies? | eHow.com http://www.ehow.com/info_10005344_can-cold-temperatures-kill-fruit-flies.html#ixzz2NVNIKTSk
Aqua
The algae will not
thrive in the aqua zone as the water is not be recycled. The tropical
temperature of the water is not ideal for the algae. “Temperature The optimal temperature for phytoplankton
cultures is generally between 20 and 24°C” our temperatures on the first time
were about 28°C and on the second time was 22°C
so the plant is experiencing a difference in temperature which is not
good for the plant and the average temperature was over 24°C. http://www.growing-algae.com/algae-growing-conditions.html
The
pH is 9 of our water, and inorder for a algae to thrive the pH needs to be
inbetween 7-9, and that is good for our algae plant. There is almost no
sunlight that gets into our system and therefore our radish seeds are dead and it is not
helping our algae at all. There is
movement in the air due to the fans.
The pH range for most cultured algal species is between 7 and 9, with
the optimum range being 8.2-8.7. Complete culture collapse due to the
disruption of many cellular processes can result from a failure to maintain an
acceptable pH. The latter is accomplished by aerating or mixing the culture. In
the case of high-density algal culture, the addition of carbon dioxide allows
to correct for increased pH, which may reach limiting values of up to pH 9
during algal growth.
Algae, diverse group of simple, plantlike organisms. Like plants, most
algae use the energy of sunlight to make their own food, a process called photosynthesis.
Who
did what?
Nikolai
did all the comments and collected the links and copied and pasted the info.
Theuns
posted data and made the pictures comments.
Angus
measured all the data.
