Tag Archive | "algae"

Are There Any Waste Water Treatment Plants Using Algae In The Netherlands?


I’m writing a paper about algae biofuel becoming a realistic option for the Netherlands. Some information seems to be eluding me whether I search online or in journals. I can’t really find any information about waste treatment plants in NL using algae.. information about what they are called, where they are located, which reactor is used, anything about the cost involved , how much biofuel is/could be expected to be produced from a municipal waste water, or the products made from the biomass..biofuel or niche markets and such..
Some other questions I need help with would be;
1)would omega bags work in Zeeland or Ijsselmeer, is there enough sunlight in NL for that to be realistic?
2)How much fuel does the Netherlands use in one year?
3)If algae biofuel were to make a significant impact in Dutch fuel use (replace a certain amount of fossil fuel) how many liters would be needed?
4)How many ha would be needed in NL to fill that requirement?
Thanks!

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Explain The Niche Of Two Organisms In Your Ecosystem?


1) Ulva:X spores settle on rocky shores,& with low temperature,they grow into germlings.This is possible due to steady lower amplitude on suceeding days,with the result they are able to perform photosynthesis & grow.Even with daytime exposure,intensity of Sunlight being low enough,no question of bleaching.By the next spring tine – after a lapse of 12 more days,they have increased their surface area & now can withstand lower levels of wave action.As more of the algae crop up,the action of waves is lessened.
2) Mitra the small black colored mollusc,dewll on middle part of supra littoral zone,where they scrape algae like Enteromorpha.During low tide they move up the walls of rock crevices,so that they can escape from direct sunlight.When the tide comes in,they start feeding.

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What Is An Example Of A Niche In A Pond/freshwater Ecosystem?


In a pond, there are so many different places…
There are niches right at the water’s edge.
There are different ones, just a few feet deeper into the water.
Then there are other niches very deep in the water, and others deep in the soil at the bottom of the pond.
There are niches associated with algae growing underwater and others growing on plants floating in the water.
There could be shady parts of the pond vs sunnier parts, where organisms that prefer one or the other prefer to grow.
If the pond is large enough, it might have an island, effecting creating a barrier from the rest of the shoreline and possibly a very specialized niche…

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Backyard Ponds Are For Birds, Butterflies, Frogs, Fish, And You And Your Family?


In a pond, plants need to be a mix of emergent, submerging, and floating species. Emergent plants, those that have their roots in the water but their shoots above water, can be added to the edges of pools. These include cattails, arrowhead, and water lilies and are homes to many species of animals. Submerging species, or those that remain under water such as elodea, are often used as oxygenators. These are plants that remove carbon dioxide from the water and add oxygen. These plants are essential in most ponds to keep the water clear. Floating species or those that are not anchored at all in the pond include plants such as duckweed, water lettuce, and water hyacinth. While not as effective as oxygenators, these plants help keep the water clear by limiting the amount of sunlight that algae receive. The algae can not survive without a lot of sunlight.
1. According to this passage, what is the niche of “submerging” plants in a pond?
A. help keep the water clear
B. add oxygen to the water
C. provides food for the fish
D. reduce the amount of algae
2. Consider the relationships between the birds, frogs, fish and plants. What level of organization in ecology is this passage describing?
A. biosphere
B. biome
C. community
D. population
3. What is the main idea of this passage?
A. Emergent plants provide homes to many animals.
B. Oxygenators are essential to life in a pond.
C. Algae can cause water to be contaminated.
D. Plants provide many resources to life in a pond.

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Biology Question On Niche And Habitats.. Help!!!!?


In a forest community, a shelf fungus and a slug live on the side of a decaying tree trunk. The fungus digests and absorbs materials from the tree, while the slug eats algae growing on the outside of the trunk. These organisms do not compete with one another because they occupy…
1. different habitat and niche
2.same niche, different habitat
3. same habitat, different niche
4. same habitat and niche

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