Incredibly, 2007âs staggering volume is almost 38 percent higher than 2006 and almost double the 2005 figure. The value of the blade market is often estimated simply as a percentage of the turbine market. It is generally assumed that blades account for 15 to 20 percent of the total purchase price of wind turbines.
The two most common species of earthworms in Northern Virginia are the Common Earthworm, or nightcrawler (Lumbricus terrestris) and the Red Earthworm (Lumbricus rubellus). These earthworms were introduced from Europe many years ago.
The Giant Gippsland Earthworm (Megascolides australis McCoy) is one of the largest earthworms in the world, with an estimated average length of 80 cm and a diameter of 2 cm. It has 300 to 500 body segments. The front third of the body (including the head) is dark purple and the remainder is a pinkish-grey..