Data

Island Oak Population 

The graph above shows the hectares of oak lost for each timeframe. 

The image above shows the decrease in oak distribution by year. 

          www.catalinaconservancy.org

Bison population (Bison Study Executive Summary)

            1924: 14 bison

            1960: 600 bison

            Present: 150 bison

Fox population (Shahagun)

            Pre-population crash: 1,300 foxes

            1999: 100 foxes

            2008: 784 foxes

Water pollution (Barboza)

Has spent $3.5 million testing and rehabilitating sewer lines but the water is no cleaner

Avalon Beach Harbor fails state health tests 73% of the time