Coverage against only two perils, fire and lightning. The amount of coverage is per acre of standing timber for either merchantable trees (living trees with no decay, and minimum diameter), or for trees used in reforestation. This coverage is commonly purchased by tree farmers and investors. Historically, because of tax write-offs, investing in tree farms has been particularly popular among certain investors. With the passage of the tax reform act of 1986 such a tax shelter is no longer possible, but the reason for purchasing timber insurance for protection remains unchanged.