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"Pinacate Biosphere Reserve"

Something Unique about the Desert:

Pinacate Desert

  • The Pinacate Desert is a hostile landscape.
  • Scattered along the dark landscape are lime-green cholla cacti, which serve to illuminate the desert with their bright colors and give the Pinacate its distinct surreal character.
  • The much taller senita and saguaro cactus are also present here, and tower over the landscape like desert sentinels.
  • In February and March, the desolation turns into a kaleidoscope of colors as the wildflowers bloom.
  • This black, barren desert is a seemingly endless stretch of heat and inhospitality.
  • There is virtually no surface water, little rain, and temperatures can approach 120º F.
  • In recent millennia, more than 400 volcanoes erupted here, spewing forth black pumice, rock, sand, ash, and creating giant lava tubes.

Gran Desierto de Altar

Pinacate Beetle

  • The southernmost section of the reserve is known as the Gran Desierto de Altar.
  • The unique peach-beige colored sand dunes here stand in stark contrast to the black Pinacate.
  • The region is named after a native insect, the Pinacate Beetle (Stink Beetle)
  • This desert stinkbug is famous for raising its rear end high in the air when threatened and emitting a foul odor.

http://www.desertmuseum.org/images/98pin10.jpg

http://www.volcano.si.edu/world/volcano.cfm?vnum=1401-001&volpage=photos

Pinacate Biosphere Reserve

Volcan Santa Clara

Connection with Gulf of California

What is it?

  • Volcan Santa Clara, a shield volcano, is the main feature in this area-formed by repeated eruptions over the millennia.
  • Several fairly young cinder cones sit atop Volcan Santa Clara-they were created by smaller eruptions that occurred long after the mountain was formed.
  • The highest of these cones is Pinacate Peak, with nearby Carnegie Peak a close second.
  • It's thought that the eruption of the volcanoes here are probably in association with the opening of the Gulf of California.
  • The most recent volcanic activity was about 11,000 years ago.
  • This reserve is located in the state of Sonora, Mexico. (US/Mexican Border)
  • Covers more than 600 square miles of a unique desert landscape that includes volcanic cones, lava formations, and Sonoran desert plants.
  • The region is named after a native insect, the Pinacate Beetle.

http://earthobservatory.nasa.gov/IOTD/view.php?id=4552

Cerro Pinacate

Elephant Tree, Bursera microphylla

  • The tallest of the peaks is Cerro del Pinacate (also called Volcan Santa Clara), elevation 3,904 feet (1,190 m).
  • The volcanoes here have erupted here sporadically since about 4 million years ago.

http://www.eoearth.org/images/144920/500x0/scale/pinnactepeakswdunesPuerto_Penasco1290696958.jpg

  • This species is rare.
  • The physique of this tree is like multiple elephant trunks, waving and contorted, with smooth but flaking whitish bark in mature individuals.
  • This Species is old it was recorded to be on earth as early as about 8000 years before present in the early Holocene post-glacial.

http://www.summitpost.org/cerro-pinacate/155033

http://www.globaltwitcher.com/artspec_information.asp?thingid=90792

http://rainforestdatabase.com/plants/PlantImages/Bursera_microphylla_2jpg.jpg

by:

Lupe Ramos & Carina Palafox

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