Temperate Rain Forest. Biome Research By Benny Phillips. Temperate Rain Forest. Here is a place where the very air seems green! Notice the dark trunks of the evergreens, the tallest trees in this ecosystem.
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The obvious element of climate in the temperate rain forest is precipitation. At least 200 cm of it, perhaps up to 350 centimeters in warmer areas. The precipitation can fall in the form of rain or snow, with snow becoming more likely at higher elevations. The average annual temperature is above 0� C, largely influenced by the nearby ocean. The warmest of the temperate rainforests may have average annual temperatures around 20� C.
Big coniferous trees dominate this habitat, including Douglas fir and Western red cedar, Mountain hemlock, Western hemlock, Sitka spruce and Lodgepole pine. In addition, a number of deciduous trees are found here, particularly in warmer spots. One of these is Big-Leaf Maple. In addition to the trees, mosses and lichens are very common, often growing as epiphytes. Epiphytes are also common in tropical rain forests; the common denominator is the moist environment that puts minimal water stress on plants without roots.
Temperate rainforests occur in the temperate zone, which falls between the polar circles and the tropics. Generally, these rainforests are comprised of coniferous trees, which produce cone seeds and usually have vascular tissue. Temperate rainforests receive approximately 158 inches of rain per year and are found in Southwest, Northwestern North America, Southeastern Australia and Northwestern Europe.
Use the handout given in class to answer the above question
Biodiversity is the variety of life. It can be studied on many levels. At the highest level, you can look at all the different species on the entire Earth. On a much smaller scale, you can study biodiversity within a pond ecosystem or a neighborhood park. Identifying and understanding the relationships between all the life on Earth are some of the greatest challenges in science.