ISSS608 2017-18 T3 Assign Tong Wen Liang Samuel Conclusion
VAST Challenge 2018: "Cheep" Shots?
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Conclusion
The following concludes the findings obtained from this analysis:
Conclusion 1:
It is highly probable that Kasios’ dumping of process waste had led to the decrease in population of the Rose-Crested Blue Pipits due to the following reasons:
a. Prior to 2015, when Kasios partook in the dumping of process waste, the Rose-Crested Blue Pipits had two distinct habitats based on the location of the Actual Recordings obtained, where one of them is directly located at where Kasios dumped their process waste. From 2015 onwards, we can see a significant shift in location of the Rose-Crested Blue Pipits, where the number of recordings in the dumping site dropped to zero, while the other nesting area to the south-west had a sudden spike in recordings of the Rose-Crested Blue Pipits. This highly suggested that the birds migrated to their second habitat when their first nesting area became uninhabitable due to Kasios’ process waste dump.
b. Two other factors seem to commensurate with the finding above:
i. Despite the sudden drop in recording of the Rose-Crested Blue Pipits in the dump site, there were no significant increase in the number of recordings of other birds at the site too. This suggests that the area has become totally uninhabitable after the dumping took place.
ii. The Ordinary Snape resides mainly in the same area as the second habitat of the Rose-Crested Blue Pipits. Right after the suspected influx of the Rose-Crested Blue Pipits in their second nesting area, the total number of recordings of the Ordinary Snape dropped significantly by more than half. This suggests that it is highly possible that due to possible overcrowding and the resultant increase in competition for resources in the area, it has thus led to the drop in the Ordinary Snape’s population size in the area.
Conclusion 2:
By analysing the Vocalization type of the Rose-Crested Blue Pipits in the dumping area in 2014, we can see that the vocalization type were all calls and no songs were recorded. Since calls are used to communicate alarms and distress, this could suggest that Kasios had been in the area in 2014, prior to the actual dumping activity in 2015.
Conclusion 3:
By comparing the test recordings provided by Kasios against the actual recordings, we were able to analyse the patterns of the sound waves and concluded that only a few samples of the test recordings seem to be authentic. The other test recordings do not exhibit the same patterns or frequency of sound waves as the actual recordings.
a. The test recordings that are most likely to be authentic are:
i. Test Recording No. 2
ii. Test Recording No. 9
b. The test recordings that might be authentic, but to a lesser extent, are:
i. Test Recording No. 3
ii. Test Recording No. 4
iii. Test Recording No. 13
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