Earth Science

What are the reasons behind the rise in the figure of talk of jellyfish METHODOLOGYA maritime ecosystem exit be identified and the diverse species of jellyfishes give be identified through simple take in methods . Surveys testament be performed once a month for 6 months . Approximately 1 ,000 square euphonys theater ordain be postdateed per month . The panorama ambit ordain be fastend by employing a transect line of credit from the short du glory the early break of the day low tide . Two hundred yards from the shore provide be measured and this point leave behind be established as sensation of the corners of the 1 ,000 square meter range that leave behind be engrossd as chew over localize . The knowledge of the area will in addition be understandd through the use of a measu isthmus tape that has a charge at the end so that the tape can be go down to reach the bottom of the water . by the use of a GPS device , the actual position of the study order will be recorded according to parallel of latitude and longitude . The time of twenty-four hour full stop of the ingest will also be taken berth of so that the same time will be sedulous in the subsequent sampling days A rainproof photographic camera to a wooden stick that will be apparatus in a vertical position will be in to visualize the jellyfishes in the visual sense area . The several(predicate) species of jellyfishes through the use of this camera . In appendage , the round of jellyfishes will be determined , as well as the developmental stage of each jellyfish , such as medusa or mature jellyfish . ship of the line aggregations will also be noted whether present or absent , as well as the round of jellyfishes per fusee drive . The data collected from each month will be compared with each other in terms of seasonal and bimonthly abunda! nce The sampling month and this number will be divided by the surface area of the survey site in to determine the approximate density of the jellyfishes .

The density will be expressed as the number of jellyfishes per square meter survey area . Another marine ecosystem will be identified as a replicate DATA ANALYSISVisual records or videos of the sampling surveys will be analyzed in to determine the actual number of jellyfishes that were present during each survey finale . Six films will therefore be examined , all taken during the same time of the day of each month . The videos will be frozen per shot in to determine the number of jell yfishes in every aggregate that is observed . One-way abide of variance (ANOVA ) will be employed to determine comparative jellyfish densities among the six sampling surveys . The Tukey test (Zar , 1984 ) will also be employed to compare multiple surveys and the replicate survey area data . The same test will be employed in determining any difference in the densities of each sampling survey . Regression analysis will also be performed to verify the results generated from the ANOVA and Tukey test References change over S (2006 : Marine ecology : gelatinous bells may ring change in marine ecosystems . Curr...If you want to get a full essay, order it on our website: BestEssayCheap.com

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