File:Grand Canyon National Park, Gambel Oak in Fall 1704 - Flickr - Grand Canyon NPS.jpg

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Description

Quercus gambelii — Gambel Oak.

Location
  • Second overlook along Desert View Drive on the South Rim of Grand Canyon National Park.
  • Vishnu Temple is in the background.
Botany
  • Gambel oak (Quercus gambelii) are most ofter found growing together with ponderosa pines (Pinus ponderosa), in somewhat restricted areas in the Grand Canyon National Park on the South Rim and most often, along the edge of the North Rim. The oaks grow in colonies of a few to an average of about thirty individuals, and range in height from a foot to about fifteen feet.
  • The acorns take a year to mature. Being rich in carbohydrates, fats and proteins, they are on top of the wildlife food list. The high tannin content of Gambel oak doesn't seem to bother the canyon's mule deer who browse on its foliage.
  • Tuber-like roots called lignotubers cause the deciduous Gambel oak to form dense thickets. This unique feature is embedded in the trunk beneath the bark and just below the soil. A swollen lignotuber houses hundreds of buds ready to transform into leafy sprouts. Underground stems called rhizomes also bear dormant buds ready to sprout after fires or heavy browsing by wildlife.


Credits
  • NPS photo by Michael Quinn.
Date
Source Grand Canyon National Park: Gambel Oak in Fall 1704
Author Grand Canyon National Park
Camera location36° 00′ 33.82″ N, 112° 03′ 17.27″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

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w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.


This image was originally posted to Flickr by Grand Canyon NPS at https://www.flickr.com/photos/50693818@N08/8471705660. It was reviewed on 17 February 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

17 February 2014

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Date/TimeThumbnailDimensionsUserComment
current22:13, 17 February 2014Thumbnail for version as of 22:13, 17 February 20143,256 × 4,704 (6.2 MB)Matanya (talk | contribs)== {{int:filedesc}} == {{Information |Description=Location: second overlook along Desert View Drive on the South Rim of Grand Canyon National park. Vishnu Temple in the background. NPS photo by Michael Quinn. Gambel oak (Quercus gambelii) are most oft...

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