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Ecology and Geology of Canyonlands Area Slide 1 – Anna - The exposed geology of the Canyonlands area is complex and diverse Kyra - 12 formations are exposed in Canyonlands National Park that range in age from the Pennsylvanian to Cretaceous periods. Jennifer -- The uplift of the Rocky Mountains starting in late Cretaceous greatly affected the Canyonlands region. Makaela -- A vast sea covered the region in early the Pennsylvanian time. Anna - The Glen Canyon Group is most prominently exposed in the western and northern sections of the park. Kyra -- Starting 70 million years ago, a mountain-building event called the Laramide orogeny uplifted the Rocky Mountains and with it the Canyonlands region. Jennifer – other important rock groups and formations in Canyonlands include, the Hermosa Group, The cutler formation, the Moenkopi and Chinle formations and the San Rafael Group. Slide 2? Arches Makaela – there are over 2000 natural Sandstone arches in Arches National Park. Slide___ Climate and Temp Anna -- Southeast Utah is part of the Colorado Plateau, a "high desert" region that experiences wide temperature fluctuations, sometimes over 40 degrees in a single day. Kyra -- The temperate (and most popular) seasons are spring and fall, when daytime highs average 60 to 80 F and lows average 30 to 50 F. Jennifer – Summer temperatures often exceed 100 F, Late summer monsoon season brings violent storm cells which often cause flash floods. Makaela -- Winters are cold, with highs averaging 30 to 50 F, and lows averaging 0 to 20 F. Large Snowfalls are uncommon. Slide 3 – Animals Anna – Many animals live in Canyonlands. Birds, lizards and some rodents are seen most frequently. Kyra -- seasons and weather play a large role in determining what animals are active. Jennifer -- Desert animals have a variety of adaptations for dealing with the temperature and moisture stresses present in Canyonlands. Makaela -- Most desert animals are nocturnal, being most active at night because it is so hot during the day. Slide 5? Plants – Anna - Many adaptations in leaves and roots enable plants to survive the extremes of temperature and aridity found in Canyonlands Kyra -- these adaptations are grouped in three categories: drought escapers, drought resistors and drought evaders. Jennifer -- Drought escapers are plants that make use of favorable growing conditions when they exist. Makaela - Drought resistors are typically perennials like. Cacti yuccas and moss. Are examples of drought resistors. Anna -- Drought evaders, the final group, survive in riparian areas where water is plentiful. Kyra – One cool flower found in the desert area is the Datura. It produces a complete inability to differentiate reality from fantasy, and can be very toxic.