The Important Questions for Class 11 Biology Plant Kingdom are given below. How long will a blue-green algae bloom last? 7. [11] If you are unsure of when to add nutrients or how much to add, consult an algaculture specialist. Why do blue-green algae blooms occur? If there are questions about whether the lake is closed, look at the current watch/warnings tab on this website, consult individual lake websites or call lake management offices for additional information. If toxic algae touches your skin, or you accidentally inhale or swallow water containing the toxin during recreation, you could get a rash or an allergic reaction, or develop gastrointestinal problems. This concludes my presentation on the most common algae types and their causes. Next, let’s see some algae prevention tips that can minimize the appearance or overgrowth of algae. ^ Top of Page. Just remember that there are no quick fixes – BBA can take six to eight months to get established, so expect it to take at least that long to get rid of. Blue-green algae are well adapted to growth and persistence in nutrient-rich lakes, reservoirs and ponds. The dying algae turns red or clear, and animals may eat it in its weakened state. Name the plants with Blue-green algae blooms can persist for several weeks, and can occur more than once per year. Common Names: Carpet Algae / Hair Algae / String Algae / Spirogyra / Water Silk; Description: Long, thin, hair-like strands of algae that can combine to form mats Where/how it grows: Anchors to the bottom of a pond or structures like rocks or waterfalls before floating to the surface in large mats Region/Climate: Prefers fresh, clean water and cooler temperatures When algae grow so thick and make water look like “pea soup”, the condition ... What happens if I come into contact with blue-green algae? Blue‐Green Algae Questions and Answers. weight of the algae grown would be 2.75 grams (3 g – 0.25 g = 2.75 g). There are two primary ways that algae reproduce. The right-side picture below shows Brookmill Park Lake again, 11 months later in September 2009. 10.3 Algae Growth and Reaction Conditions. Some algae are unicellular and demonstrate the simplest possible life cycles (see Figure 10.6a). Part 2: Find the concentration of algae per liter. Unfortunately, common algae eaters find Staghorn Algae unappealing, so these are the only methods to get rid of it. If you are growing algae on a long term basis, you will need to add nutrients with each new batch of algae. Which group of algae has mannitol as the reserve food material? During the generative phase, cysts are freed. 8. Q.2. A.1. The Phaeophyceae group or the brown algae has mannitol as the reserve food material. A number of things, stagnant water movement, high temperatures, and/or an influx of nutrient material, such as lawn fertilizers, could have contributed to the explosive growth of algae … Furthermore, ExxonMobil’s decades-long history of sowing climate misinformation raises serious questions about its motivations in promoting algae biofuels as a climate solution. These will provide a better understanding of the concepts. ... exposure to low levels of toxins could have long-term or chronic effects in humans. 1. Divide the dry weight of your algae (in grams) by the volume (in ml) of algae water you collected in your cup, and multiply that by the number by 1,000 ml. Q.1. Short Answer Type Questions. Hair Algae You also might need to add nutrients as the algae population grows. Tips to Prevent Algae Growth On August 28, 2009, Kris Niyogi answered selected viewer questions about algae, biofuel, and more. The total dry weight yield of the algae would be 2.75 grams. The long-term effects of these exposures are not well known, but children and pets are at greatest risk. Note that there is a generative phase and a vegetative phase.

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