Search results
Results from the WOW.Com Content Network
Tree line and Krummholz zone or ecotone (stunted subalpine bushes), Sub-alpine meadow and Alpine climate. Alpine zone, 2,000 - 3,000 m (Eastern Alps), Montane grasslands and shrublands. Mountain Pine or Mugo Pine (Pinus mugo) limit. Alpine meadows just used in the warm season.
Alpine level: [7] [20] The zone that stretches between the tree line and snowline. This zone is further broken down into Sub-Nival and Treeless Alpine (in the tropics-Tierra fria; low-alpine) Sub-nival: [20] The highest zone that vegetation typically exists. This area is shaped by the frequent frosts that restrict extensive plant colonization.
The life zone concept was developed by C. Hart Merriam in 1889 as a means of describing areas with similar plant and animal communities. Merriam observed that the changes in these communities with an increase in latitude at a constant elevation are similar to the changes seen with an increase in elevation at a constant latitude.
The alpine zone begins near 10,500 feet (3,200 m) elevation (in the southern Sierra) and near 9,000 feet (2,700 m) (in the north). [9] This zone is easily distinguished as it is above the tree line. No trees grow in this zone due to the harsh climatic conditions. Short, cool summers with long, cold, and snowy winters are typical at these ...
The alpine zone, or alpine fell-field, is above the tree line, generally at 11,000 to 11,500 feet (3,400 to 3,500 m) in the south, [4] [5]: 8 and 9,900 feet (3,000 m) [6]: 17 to 10,500 feet (3,200 m) [4] in the north. The plants are influenced by having to endure long and very cold winters, poor to no soils, constant high winds, intense ...
The coast of California north of San Francisco contains the Northern California coastal forests (as defined by the WWF) and the southern section of the Coast Range ecoregion (as defined by the EPA). This ecoregion is dominated by redwood forest , containing the tallest and some of the oldest trees in the world.
Map of California topography and geomorphic provinces California's major mountain ranges. California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km 2), California is among the most geographically diverse states.
In a report sponsored by the California Energy Commission and the California Environmental Protection Agency, researchers simulated the effects of three different warming scenarios on different vegetation types in California over a period of 80–100 years. They concluded that alpine and subalpine vegetation would be reduced by approximately 50 ...