There is a fundamental tension in the cat bond market. Most investors want greater transparency in the bond structure; as a result, they often prefer parametric structures in which bonds are triggered by a physical or numerical index like wind speed. Issuers, on the other hand, tend to be more concerned with basis risk, the risk associated with imperfect hedging.
Many older barns and homes were sided with hemlock boards, but the wood is not as valuable as pine or spruce. No other plant in the province is as rich in tannin, and so hemlock bark was much in demand for tanning leather. Hemlock has a life expectancy of between 300-400 years. When large trees fall down, they take a long time to decompose and provide both nutrients and moisture to young seedlings.
California's redwoods are both tall and long-lived, with an average life span of 600 years. Conifers are trees and shrubs such as pine and spruce trees that generally produce seeds in cones instead of berries or flowers. The evergreens especially are prized in landscapes for their year-round color.