How do you measure the growth rate of algae?

The specific growth rate of the microalgae was calculated using the equation μ = ln(N2/N1)/(t 2 − t 1), where μ is the specific growth rate, and N1 and N2 are the biomass at time 1 (t 1) and time 2 (t 2), respectively.

How does temperature affect the growth of algae?

Warmer temperatures prevent water from mixing, allowing algae to grow thicker and faster. Warmer water is easier for small organisms to move through and allows algae to float to the surface faster.

How does pH affect algae growth?

Second, algae require carbon dioxide, for growth and pH can affect how much is available. When carbon dioxide dissolves into water, it can exist as one of three different species, depending on pH of the water. A high pH range will prevent your algae from doing photosynthesis, hurting culture growth.

At what pH does algae grow?

According to Healthfully, algae thrives in water with high pH levels between seven and nine. For most algae growth, an optimum pH is between 8.2 and 8.7. A pH level that is neutral or lower can help decrease the growth of algae.

How do you calculate specific growth rate?

The specific growth rate is defined as follows:[1]μ=1XdXdtwhere X is the VCD and t the time.

What is the growth rate of algae?

prolifera (Fig. 1a) are equal to a 1.4–2.4-fold increase per day, indicating that almost all the cells divide once a day. The highest RGRs ever reported in autotrophic multicellular algae are 1.03 day−1 and 1.00 day−1 (reported as 179.2 and 172.7\% increment per day) in U.

What temperature is best for algae?

It was found that 30ºC had the best growth rates for both algae. The second part studied Scenedesmus growth with urea, more in-depth, and found the optimum growth temperature to be 27.5ºC with a growth rate of 0.29 1/hr.

Does temperature affect algae growth in aquarium?

6) Keep Your Tank Cool During Warm Summer Months In summer months it can be hard to keep your tank cool without breaking the bank, but high temperatures not only pose a risk to fish and coral, they are a sure way to kick off a algae bloom!

What is the relationship between algae and pH?

Algae consume carbon dioxide during photosynthesis, and this consumption is responsible for an increase in pH.

Does high pH cause algae in pond?

If your pond looks very green in color, an increase in pH and rapid changes of pH between morning and night is very likely caused by algae. Before trying to adjust the pH of water, the maximum amount of algae should first be removed from the pond.

What temperature does algae grow?

As I previously mentioned in my list of pool care essentials, having a thermometer to track your pool temperature is important because algae loves to grow in hotter temperatures––generally 85 degrees or above.

How do you calculate specific growth rate of microbes?

The rate of exponential growth of a bacterial culture is expressed as generation time, also the doubling time of the bacterial population. Generation time (G) is defined as the time (t) per generation (n = number of generations). Hence, G=t/n is the equation from which calculations of generation time (below) derive.