Conservation efforts that work to place limitations on hatcheries to increase the wild salmon populations are hindered by financial pressures .
Hatcheries effectively support many states economically by accounting for over 70 % of the salmon harvested for recreational and commercial purposes .
Conservation efforts that work to place limitations on hatcheries to increase the wild salmon populations are hindered by financial pressures because hatcheries effectively support many states economically by accounting for over 70 % of the salmon harvested for recreational and commercial purposes .