Now check your ideas by using the scraper tool to measure algal biomass and estimate the standing crop for both the Bat Rocks and Cess pools assuming 30% algal coverage. In this case, you can calculate the standing crop per unit area (the tiles) because we are comparing two pools. You do not need to extrapolate to the entire pool. BAT ROCKS % Open Canopy 40% Area scraped: 0.978 m2 Algal biomass collected: 0.205 g Algal Standing Crop: Enter value. (g/m?) CESS % Open Canopy 15% Area scraped: 0.935 m2 Algal biomass collected: 0.196 g Algal Standing Crop: Enter value. (g/m2)
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- Use mathematical and computational thinking to extrapolate your measurements obtained from the grid area to the entire pool to determine the total algal biomass in this pool. Assume the area covered by algae is equivalent to 30% of the pool's surface area. Extrapolate the total algal biomass present in the pool from your data. Algal biomass collected: 0.162 g Area scraped: 0.772 m2 Pool surface area: 28 m2 Pool's estimated total algal biomass: Enter value.. g HintThere are wastes of four fruits peels; apple, orange, banana, and pineapple were used for this experiment. The percentage of biomass produced and moisture content were calculated by using the given formulas. It is given that the weight of each substrate is equal to 40 grams. The biomass produced is maximum in apple peel followed by banana peel, orange peel, and pineapple peel ( observation 1) and banana peel has highest moisture content followed by orange peel, pineapple peel, and apple peel (observation 2). QUESTION: Please give the clear explanation for both observations and justify your answer.In not more than 200 words or 5 sentences, answer or explain the following situation. In a seagrass ecosystem, nutrients restrict primary production under low nutrient (oligotrophic) conditions, while light becomes the limiting factor under high nutrient (eutrophic) conditions. Discuss how this happens with respect to the three primary producers (seagrass, macroalgae, phytoplankton) as the condition changes from oligotrophic to eutrophic.
- The Lazy River Environmental Group organized a major cleanup of the pollution from the old factory in late 2010. Measurements of pollution in river sediments before and after the cleanup were analyzed to determine the effectiveness of the cleanup. Select the Sediment Pollutant Over Time dataset and follow the interactive to graph the data. What statement best describes the results of the clean up?Formulate a compost mixture of at consisting of least three ingredients using the Cornell Composting Spreadsheet that will satisfy the range of percent moisture content from 50-60% and the range of C:N ratio from 25 to 35. A composting bioreactor has a total capacity of 500 kg. The total weight of the mixture ranges from 400-500 kg. Example: Ingredient % Moisture % Carbon % Nitrogen Mass (Ibs.) Laying hens manure 69.0 48.0 8.0 100 Leaves, Loose and dry 15.0 48.6 0.9 65 Corn cobs 15.0 58.8 0.6 150 Water 100.0 0.0 0.0 150 Total 465 Calculated mixture moisture content: 54.0 Calculated mixture C/N ratio: 31.2If the N and P content of some algae is as shown in the following table. The third column shows nutrient available in the water. Nutrient Nitrogen Phosphorus (a) (b) mg nutrient/g of algae Available, mg/L 0.62 80 6.9 0.15 What percent reduction in nitrogen is needed to control algal production to 1.0 mg/L? What percent reduction in phosphorus is needed to control algal production to 1.0 mg/L?
- The graph is of initial velocity versus substrate concentration. Estimate Vmax from the direct graph of v versus [S] using the plot. Estimate KM from the direct graph of v versus [S] using the plot, also.You are culturing 2 algal species. Species A has a maximum photosynthetic output of 8 mg C mg-1 chl a h-1 and a half saturation constant of 20 µE m-2 s-1. Species B reaches a maximum photosynthetic output of 4 mg C mg-1 chl a h-1 and has half saturation constant of 18 µE m-2 s-1. Which species will be growing faster at a PAR light intensity of 80 µE m-2 s-1? Why?1 | 2021 SCLG8_12 MI;1 x A Did you finish your interim? If no x + 11&exid%3Dnhaassessments 1571155631555&acode%3DC6G7L7 uide Reset Answer Construct an explanation for how the rubber tree plants live and grow. Rubber tree plants use to make The can be then used for energy immediately or stored for growth or later use. forest. ex which also oxygen and sugar (food); carbon dioxide and water; sugar (food) ne trees carbon dioxide and sugar (food); oxygen and water; water C water and carbon dioxide; oxygen and sugar (food); sugar (food) carbon dioxide and oxygen; sugar (food) and water; water Back Next US A 5:2
- A scientist investigating into the quality of soil in Potsin area determined the soil bulk density using graphical approach. Five soil samples from the farm were sampled and their respective masses and volumes determined in the laboratory. The masses (g) of soils sampled and their respective volumes (V) are shown in the table below. A. Give two reasons why bulk density measurement is vital during soil quality investigations. B. Describe how the soil were sampled for the bulk density measurement. C. Identify four meteorological instruments and their uses.1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by determining the R/S ratio. Define the R/S ratio. 1.2 Both rhizospheric and root-free soils were collected from five (5) plants before (BT) and after (AT) treatment. Using the microbial biomass that appear in Table 1, the R/S ratios before (BT) and after (AT) can be determined. Use these values to determine the respective R/S ratios. Kindly show all workings. Microbial population Before Treatment (BT) Plants R/S Microbial population After Treatment (AT) R/S ratio ratio (BT) (AT) Rhizospheric Non- soil (CFU) Rhizospheric Non- rhizospheric soil (CFU) soil (CFU) rhizospheric soil (CFU) Typha sp. 764 168 988 186 Pistia sp. 286 86 386 112 Salvinia 397 132 528 166 sp. Lemna sp. 274 121 406 152 Eichhornia 443 140 648 196 sp.. You are working at the Loy Farm and are tasked with analyzing water supply for agriculture purposes. Answer the following questions: a) You run an experiment to estimate the water flow rate of the drip irrigation system in the Elon High Tunnel greenhouse. You randomly place 10 small 1-quart paint buckets in the soil along the irrigation system. The table below summarizes the water volume collected in the buckets. The irrigation system was running for 2 hrs. Each bucket has a diameter of 11.2 cm, and volume was measured in milliliters (ml). What is the average drip flow in the irrigation system in inches/hr? (Hint: look up the formula for the area of a circle if you don't already know it). Bucket Number Volume, ml Bucket Number Volume, ml 1 828 6 423 2 829 7 661 3 915 8 885 4 969 9 391 5 887 10 713 b) The open-air crop beds are 7952 ft2 in area. The soil is prepared to a depth of 24…