As we examined the attribute data for the fish, there is a Reports field each contained a link. As we copied and pasted the link to a browser, it lead us to a PDF file of a report by the DFG of fish distribution, with charts, methods, information on net hours, and so much more.
The reports link lead us to many questions we had when we were looking into the data. The question we had about the missing data points after 2004 was answered: the middle three points were not sampled after that year due to redundant data. Therefore, for the following sampling points, 11 points were used instead of 14.
We explored and looked at each PDF file. It provided insight of the health of fish, besides tilapia, as well, for each season. There are charts of the fish data at the end of each report.
Source - PDF File links
Summer 2003: http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6341
Summer 2004 : http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6347
Summer 2005 : http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6348
Summer 2006 : http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6349
Summer 2007 : http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6350
Summer 2008 (termination of data sampling) :
http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=6340
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