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.
Western Hemlock. Western hemlock's (Tsuga heterophylla) native range includes much of the western United States and Canada, growing from Alaska to northern California from the coast to lower mountain elevations. At maturity, western hemlocks have a height of 70 to 130 feet and a width of 20 to 30 feet.