Overfishing continues despite repeated warnings of the current precipitous decline. These measures proved inadequate in stemming the economic decline. The Oroqen suffered a significant population decline under Japanese rule. The crisis spurred a major, decade-long population decline. Despite these changes, the show's ratings would decline more sharply. China suffered a drastic decline in population. Further, there is some likelihood that population will actually decline before 2100. Poaching has been another cause of population decline. There are many factors behind the economic decline of Bihar. Her success appears to be outpacing his own recent decline in popularity. Testosterone levels may decline gradually with age. Deforestation also caused erosion which caused a sharp decline in agricultural production. There are many factors contributing to the decline in numbers. Coal mining continued to decline and pits closed. This led to a gradual decline in SVT production.