RE: does land value decrease? or just increase
Alot depends on where it is. Is it worth the investment? Depends what you want from it. Right now real estate, including land isnt' the best deal running and prices, short term will probably come down. However land is one thing they aren't making any more of and demand will always go up
Long term land probably won't go down, especially in a desireable place. However most hunting land isn't in the "desirable" places short term.
If you are lookign for hunting land it probably isn't a true investment financially, just peace of mine and happiness.