Rangeland Science

(Find this plus more information at Oregon State University)

“Rangelands affect us all. They comprise over 40% of the landmass of the world and provide valuable grazing lands for livestock and wildlife. Rangelands serve as a source of high quality water, clean air and open spaces and benefit people as a setting for recreation and economic means for agriculture, mining and communities.

What are rangelands?

Rangelands are a type of land on which the natural vegetation is dominated by grasses, forbs and shrubs and the land is managed as a natural ecosystem.

Where are rangelands?

Global extent of major rangeland cover types:

  • Grassland 42%
  • Shrubland 23%
  • Woodland 12%
  • Other (tundra, desert, forest) 23%

What goods and services are derived from rangelands?

Rangelands serve multiple purposes as:

  • a habitat for a wide array of game and non-game animal species;
  • a habitat for a diverse and wide array of native plant species;
  • a source of high quality water, clean air and open spaces;
  • a setting for recreational hiking, camping, fishing, hunting and nature experiences;
  • the foundation for low-input, fully renewable food and fiber production systems of grazing industries.


Because of the diversity of goods and services derived from rangelands, their management and health are linked closely to the economic well being of many communities.”

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Rangeland Science and Ranching

Species Biology of Sagebrush Steppe

SPECIES BIOLOGY of SAGEBRUSH STEPPE: Species Biology can be described by a Species’ life strategies. Life strategies are how an organism allocates energy and materials to be able to compete in an environment, to survive and reproduce. Evolving through natural selection, developing tradeoffs of growth/survival/reproduction; life strategies are a sum of a species’ morphology, physiology, …

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Biogeography of Sagebrush Steppe

Solar Radiation And Geographic Location Sagebrush Steppe Ecosystems are geographically located in the Northern Mid-Latitude(30 to 45 degrees North) region of approximately 40 million hectare of the Western UnitedStates (3) (Oregon, California, Idaho, Wyoming, Utah, Nevada), providing habitat for 350 vertebrae species (1). Solar radiation reaches Earth as insolation, and due to distance and angle …

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My name is Kaitlyn Marie McElderry, a student at Oregon State University. I spent my first two years as an on campus Biology major with an option of Pre-Veterinary medicine. My goals have developed as a student and life circumstances presented me the opportunity to switch to the College of Agricultural Science, as an online Rangeland Science major.

I currently live on a 320 acre cattle ranch. This cow/calf operation is located in rural Klamath County, with a gorgeous view of the Cascades and Klamath Lake. A typical year includes:

Summer: Hay Season

Fall: Selling Calves

Winter: Delivering and vaccinating calves

Spring: Breeding Season

The objective of this blog is to document my learning experience as a Rangeland Science Ecampus student, and to apply that research to life as a farmer and rancher. With the help and oversight of my instructor, Yvette M. Gibson, the blog will encompass many different approaches to Rangeland Science.

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