Zobrazeno 1 - 10
of 24
pro vyhledávání: '"R Standiford"'
Publikováno v:
California Agriculture, Vol 65, Iss 3 (2011)
Colifornia's hardwood rangelands, an oak-dominated woodland system, cover 10 million acres. More than 80% of these lands are privately owned, with two-thirds grazed by domestic livestock. Public concerns about long-term damage to habitat in areas har
Externí odkaz:
https://doaj.org/article/afed9455e7494eeabcd7f83fd83e5e17
Autor:
R Standiford
Publikováno v:
California Agriculture, Vol 59, Iss 3 (2005)
California Agriculture - All Issues
Externí odkaz:
https://doaj.org/article/560aa585a90d4ef0bdb9293538a0939d
Autor:
R Standiford
Publikováno v:
California Agriculture, Vol 54, Iss 3 (2000)
California Agriculture - All Issues
Externí odkaz:
https://doaj.org/article/0cb3e3649ec84deba2df489a577e5b61
Publikováno v:
California Agriculture, Vol 50, Iss 3 (1996)
A 4-year study indicates that native blue oak seedlings are probably much older than most people would think: Trees less than 6 inches tall could be 10 to 15 years old. Seedlings grow very slowly, if at all, during periods of drought. However, seedli
Externí odkaz:
https://doaj.org/article/d15beea442fe45aa84fdc867e19a11a5
Publikováno v:
California Agriculture, Vol 50, Iss 2 (1996)
Aerial monitoring of hardwood rangelands over a 4-year period revealed that almost 70,000 cords of firewood ware harvested annually on approximately 6,000 acres. This represents less than 0.1% of the total hardwood rangeland in the state. Over 50% of
Externí odkaz:
https://doaj.org/article/2542b74b3f6142e5aa6925ebf80d9715
Publikováno v:
California Agriculture, Vol 49, Iss 6 (1995)
California has more than 2,000 kinds of unique plants and animals, making it the most biologically diverse region of the continental United States. Given the predicted increase in human population and the high cost of habitat preservation, we can onl
Externí odkaz:
https://doaj.org/article/3893be3981544c1aab1bb17ceca69296
Autor:
R Standiford, D Appleton
Publikováno v:
California Agriculture, Vol 47, Iss 4 (1993)
Blue oaks were planted on a Tuolumne County hardwood rangeland site to assess low-input, low-cost regeneration technology on seedling establishment. After three growing seasons, approximately 22% of the planting spots had a surviving seedling. Costs
Externí odkaz:
https://doaj.org/article/75c9a8d545d84ce887941e8f0430145e
Publikováno v:
California Agriculture, Vol 45, Iss 2 (1991)
A recent survey of oak regeneration in four southern Sierra counties found sufficient regeneration of seedlings, but a general shortage of pole-size trees. Managers will need to find ways to encourage oak seedling recruitment into the pole-size class
Externí odkaz:
https://doaj.org/article/d606ac38c00b40f58306c57f9d7288de
Autor:
J Rinehart, R Standiford
Publikováno v:
California Agriculture, Vol 38, Iss 5 (1984)
Under projected interest rates, plantations wouldn't be profitable on low-quality sites
Externí odkaz:
https://doaj.org/article/5ebbd3427a794039a601fe23bc2b76d3
Autor:
R Standiford, D Donaldson
Publikováno v:
California Agriculture, Vol 36, Iss 5 (1982)
Field-tested as energy crops in Napa County, two eucalyptus species produced an estimated 25 to 32 million Btu per acre per year.
Externí odkaz:
https://doaj.org/article/bcf6a60895434e43a0d249fc702c78ac