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Ecosystem description—photos,
plants, weather... |
| The experiment is at the USDA-ARS High Plains
Grasslands Research Station, located about 10 miles west of Cheyenne, WY USA
(41o
11’ N lat, 104o 54’ W long); elevation 1930 m. The ecosystem is a
Northern Mixed Grass prairie (NMP), with a plant community of about 55% cool
season grasses, 25% warm season grasses, and 20% sedges, forbs and small shrubs.
Annual precipitation is 38.4 cm, mean air temperatures are 17.5 Co in
summer and -2.5 Co in winter, with maximum July temperature of 27 Co,
the average wind speed is 6 m s-1 with gusts to 35 m s-1. |
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Rust disease of globe
mallow (Sphaeralcea coccinea) caused by the pathogenic fungus Puccinia
sherardiana. |
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