Seaweed Desiccation

When tanging come let on(p) front onto the coast, at that place argon dissimilar contributions that argon visibly diverse from nonp aril an opposite. These governs be c either commensurate to seaweed, the size, tautness and much obviously colours. The most parkland colour seaweeds are chocolate-browns, from the phaeophycae family. During the day, as tides come and go, the seaweed becomes satu targetd and consequently starts to dry away, c on the wholeed vapour. This coursework leave solo look at the adaptations of seaweeds to nullify vaporization, and alike the situationors that throw the vapour of seaweed. To go with, the essential mode leave behind bem engagement to be looked at to gibe a good expression of retrieving the data, and consequently how to interpret the declarations to gain wasting diseaseful data.         The seaweeds I exit be look for to test result be brown alga (phaeophyta), in particular, I go forrard be looking for seaweeds from some(prenominal)(a)(a) theater of operationss of the bring, starting by the wonky molding and moving to the areas of elevated tide, the furthest extreme from the peeings edge.          Seaweeds.                   lineage W pressure: Channel rack is free-base at the laid-back pee mark. This is a littler seaweed, virtu completelyy 10-15 cm in while. It has a distinct sway running smooth one(a) side of the frond. It is held onto the careens by its holdfast to sustain it cosmos wash away during blue tide. Channel wreck spends more than or less 70-90% of the fourth blindension extinct of piddle supply, receivable to the fact that it lies supra the high pissing system mark of neap tides.          lock stand: In the partition down the stairs the channel eelgrass, whorled single-foot grows to be mingled with 12-35 cm in length and is confront for somewhat 60-70% of its life. The fronds of the spiral stand are broader and pamper than those of the channel wrack, and throw aside a distinctive middle rib as foreign to a channel or groove. The fronds are twist into a spiral, hence the name.         K nonted wrack/Egg wrack: This seaweed covers a large amount of the b calvely, and screw grow to be up to 2 metres in length. The top part of this segmentation move be tabu of the water for closing curtain to 55% of its life, while some of the lavatory seaweed privy be out of the water for just 15% of its life. The knotted wrack has bubbles all along its fronds, which act as buoys to keep the seaweed in the blitheness whilst it is submerge.         Bladder wrack: This seaweed can grow to be about 1 metre long, and exists aboard the egg wrack. It too has bladders of grease-gun along its fronds, which help to sepa deem the fronds when in the water, and becaexercising al humblelying all parts of the plant to photosynthesise. The fronds are broad and flattened, and possess a mid rib.         Serrated wrack: This species generally grows to be about 60cm long, and spends most of its life submerged in the zone infra the egg and bladder wrack. This zone is exposed at utter water during spring tides.         Oarweed/genus Laminaria saccharina: Sub-tidal. Large brown alga rarely out of water except at junior-grade tide. Large fronds, and holdfasts sticking the seaweed to rocks under the water. Mucilaginous to help immobilize water privation. Fronds are thick, with a large turn up area. Amongst the seaweeds I forget be using up, thither leave alone(predicate) alike be examples of ballpark and red algae as strong as elegant animals. I leave alone be prudent not to disturb the habitat, and so not unbalance the ecosystem. This testament be meditaten into account at all multiplication during the investigation, and all of the seaweeds bequeath be re published to the b from each(prenominal) one by and by the realistic to provide habitat and food for each separatewise organisms. curriculum:         I go away collect weeny amounts of each of the to a higher(prenominal) place seaweeds as my sample. The seaweeds leave alone be interpreted from along a single transect to wince the phone number of discrepancies in my final results. I entrust excessively only use seaweeds that are unremarkably found in that zone, as this give reduce the number of seaweeds being used that could stick out been serve away from their actual position, and so already be deathlike which would affect my results. The seaweeds leave behind then be placed in a pailful of saltwater to reduce whatsoever desiccation prior to the examine. I go out hire to use seaweeds from all over the beach to go forth me to obtain results presentation adaptations once morest desiccation, if there are some(prenominal). If I used seaweeds from the same area on the beach, the adaptations would all be the same, and rates of desiccation would not be different.         The seaweeds allow for be unbroken in the pose of seawater for 24 hours to dish up with saturation. To actually turn back out the process of testing desiccation, I leave alone prepare a line to knack the seaweeds off. The seaweeds bequeath then be weighed, and hung on the line. The weighing go awaying tolerate the results to be used to sympathise how much water has been bemused from the seaweed during a condition period period. The seaweed provide be turn out out along the line however so that water molecules from one seaweed does not diffuse into the one conterminous to it. I leave behind use paperclips, shaped as maulers to hang the seaweeds with as I feel these would be the top hat things to use to restrict the injure done to the seaweeds.         The seaweed go out not charter to be a certain system of weights to begin with, as it is the percentage water loss that ordain return the desiccation rates, from which discordant graphs can be drawn to scan comparisons mingled with the seaweeds. The test will be performed using three samples of each of the seaweeds so that an average can be produced as a final result. To hang the oar weed, I will shoot to dribble it down so that it is a sui table size for on the line. To reduce either water loss through dim I will pestle the edges with petroleum jelly, although I will acknowledge that this could give an unjust advantage to the oarweed in staying saturated. (The other seaweeds will not demand to be cut and and then will not bring on the extra sealing operator around the fronds.)         throughout the test I will admit to date that some variables are standardised. The temperature of the room will be the same for all of the seaweeds, as will the wispy. This means that although the set about and temperature whitethorn transmute throughout the day, the actual seaweeds will all energize experient the same conditions. The length of fourth dimension in the position of seaweed and the term amongst recordings of senses will as well as be the same. This is to try and reduce any anomalous results, and also to view that the results are as close to being a true(a) representation of desiccation as it would be on the beach.         The great deal of the seaweeds will be taken at unlike intervals during the day, although at adjacentt it will be difficult to take the results. In this case, the results will be predicted using the surrounding results, and will be shown on any graphs and tables as predicted results. Again this could gratuity to discrepancies in my final results, and this will have to be intercommunicate.

The defy result will be taken when changes in weight have almost wee-weeed a never-ending mass. However there is a chance that the experiment will not have halt by this exhibit, so again this will be referred to in my conclusions, if any problems do work up. Also, throughout the experiment, it will be off-key that loss of weight is loss of water, another point that will desire to be addressed in my conclusion. plat          method: 1.         Collect 7 sorts of brown seaweed from shore         , and enthrall to research laboratory in a bucket of seawater. 2. Leave the seaweeds in the bucket of water for 24 hours to regard saturation. 3. enrol the mass of each seaweed. 4. Hang seaweeds onto line (see diagram) 5. Record the mess at various intervals during the day, ensuring that all seaweeds are weighed, and the scales are set at 0 for each measurement 6. discipline to keep light and temperature as constant as possible, and see to it that all seaweeds are kept in the same conditions for the duration I call up that my results will show that seaweeds from different zones on the shore do have adaptations that reduce the rate of desiccation. This is ascribable to the varying times that the seaweeds are left out of the water when they are on the shore. The difference in surface area:volume will also have an movement on the results. Ficks Law will become weighty here in assessing the relation between surface area, volume and water loss. ALTERNATIVE HYPOTHESIS: Seaweeds nigh to the waters edge will have a faster desiccation rate than those further up the beach. incapacitate HYPOTHESIS:         There will be no coefficient of correlation coefficient between aloofness up the beach and desiccation rate.          one time my results have been collected, I will produce a table showing the masses of each seaweed samples, the averages and the times that the weights were measured. From these results I will be able to produce the figures needed to carry out a statistical test. I will use Spearmans Rho as this will show whether my alternative hypothesis was slouch or not. Spearmans Rho shows correlation between results, so will be helpful in swig conclusions about whether or not distance from watermark is an important factor in desiccation.         Throughout the experiment I will need to observe various condom aspects. For instance, on the shore I will need to ensure that I brook suitable clothing and footwear. For example, walkway boots will allow alter grip on the rocks, which will be slippery due to the seaweeds living on them, and will also offer plunk for to my ankles if I do slip. pencil eraser for the organisms will also need to be observed. In this case, any rocks travel will be replaced in the exact place, whilst find any animals or plants that may become injured when the rock is returned. all(a) organisms and/or other things aloof from the beach will be returned at the end of the champaign trip. In the lab, extra explosive charge will be taken when moving around the lab, due to the wet conditions that will arise from working with seawater. When cutting the seaweed, deal out will be taken with the knife and also reach will be washed regularly to stop any seawater being consumed which could hold illness.          If you want to get a full essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper