Assessing Growth and Mortality of Bristlecone Pine Infected by Dwarf Mistletoe Using Dendrochronology
نویسندگان
چکیده
منابع مشابه
Does bristlecone pine senesce?
We evaluated hypotheses of senescence in old trees by comparing putative biomarkers of aging in Great Basin bristlecone pine (Pinus longaeva) ranging in age from 23 to 4713 years. To test a hypothesis that water and nutrient conduction is impaired in old trees we examined cambial products in the xylem and phloem. We found no statistically significant age-related changes in tracheid diameter, or...
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The dwarf mis t le toe Afeeu t 'hobh abietinum is a ser ious pa ras i t e of t r u e f i r s [Abies spp.) growing on the Pac i f i c Coast. Damage is most severe i n old-growth and unmanaged f i r stands. With information now avai lable , the fo res t manager can develop management guides f o r control of dwarf mistletoe. Such information includes parasite-host spec i f i c i ty , s i z e a t w...
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The f i r s t and most in tens ive attempts a t dwarf mis t l e toe control on t h e Plumas National Forest were made i n the Milford Ranger D i s t r i c t on the eas t s ide of the S i e r r a Nevada. These control attempts were possibly the most extensive i n the Forest Service ' s Cal i fornia Region. Survey and control procedures were based on the l imited knowledge of dwarf mis t le toe a...
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this research aims at answering the questions about translation problems and strategies applied by translators when translating cultural concepts. in order to address this issue, qualitative and quantitative study were conducted on two groups of subjects at imam reza international university of mashhad. these two groups were assigned as beginner and advanced translation students (10 students). ...
Effect of pine mistletoe on radial growth of Crimean pine (Pinus nigra) in Turkey.
In this study, the influence of infection by pine mistletoe (Viscum album L. subsp. austriacum (Wiesb.) Volmann) on the radial growth of crimean pine (Pinus nigra Amold) in Turkey was investigated. We built local residual tree-ring-width chronologies using dendrochronogical techniques. Tree ring chronologies of uninfected (control) crimean pine were used to estimate potential radial growth char...
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ژورنال
عنوان ژورنال: Forest Science
سال: 2012
ISSN: 0015-749X
DOI: 10.5849/forsci.10-142