Animal dietary preferences have been studied by feeding-site
examinations, animal observation, and stomach and esophageal collections.
Analysis of fecal material for undigested plant cuticle is
another means for obtaining the same information.
This study was conducted to: (1) prepare a microscope slide
series depicting the surface features of leaves and...
Deer grazing outside your window can be a welcome sight, unless
the deer are eating your favorite flowers. Their spring and summer
browsing can kill or severely damage young garden and landscape plants.
Once deer are attracted to your yard, discouraging them is not easy. But, there are ways you...
Although many people enjoy deer, these animals can be destructive
to gardens, orchards, and landscaped areas. Deer damage to
ornamental plants is associated with a variety of factors including
increasing numbers of deer, human population shifts to rural
and suburban areas, and landowners prohibiting deer hunting.
Published January 1985. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Ungulates comprise some of the most well researched and intensely managed wildlife populations on earth. As such, they are recognized as ideal study subjects for developing and modifying management tools or theories (Danell et al. 1994, Shipley 2010). An introduced moose (Alces alces gigas) population on the Copper River Delta...
Reintroduction of wolves to Yellowstone National Park (YNP) in 1995-96 provided a rare opportunity to observe the response of an ecosystem to the return of a top predator, including possible reversal of decades of decline of aspen, cottonwood, and tall willows suppressed by intensive herbivory on elk winter ranges. To...
There is considerable evidence to support the
hypothesis that seafood, poultry and meat are close
substitutes in consumer demand. Thus the relationships
among prices are important in determining consumption
patterns among these protein sources. In addition, there
are at least two kinds of outlets in which seafood, poultry
Number of harbor seals, counted on 32 haul-out areas in Oregon, increased by 6 - 8.8 % per year from 1975 - 1983. Percent of seals in bays has increased an average 1.8%/year, from 47% in 1975 to 61% in 1983. Along the central Oregon coast, harbor seals were most...