Eastern Hemlock
Allozyme variation and recent evolutionary history of eastern hemlock (Tsuga canadensis) in the southeastern United States
... species’ eastern and western geographic periphery, with eastern populations located east of the Blue Ridge/Appalachian escarpment, and western populations located along the Cumberland escarpment in ...
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Widespread inbreeding and unexpected geographic patterns of genetic variation in eastern hemlock (Tsuga canadensis), an imperiled North American conifer
... in eastern hemlock, as inferred by two different spatial Bayesian clustering approaches, is consistent with this second key indicator of range contraction and ...
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Changes in old-growth and second-growth eastern hemlock (Tsuga canadensis) communities in the southern Appalachians after the introduction of the hemlock woolly adelgid, Adelges tsugae
... influence eastern hemlock distribution include fires, tree-fall gap formation, intermediate scale wind disturbances, and anthropogenic ...disturbances. Eastern hemlock is especially ...
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Enhancement of the activity of a nuclear polyhedrosis virus by an optical brightener in the eastern hemlock looper, Lambdina fiscellaria fiscellaria (Lepidoptera: Geometridae)
... Enhancement of the activity of a nuclear polyhedrosis virus by an optical brightener in the eastern hemlock looper, Lambdina fiscellaria fiscellaria (Lepidoptera: Geometridae).. u[r] ...
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Evaluating Southern Appalachian Forest Dynamics without Eastern Hemlock: Consequences of Herbivory by the Hemlock Woolly Adelgid
... sequently, hemlock decline is best understood ...in hemlock trees and forests, but hemlock mortality is virtually guaranteed once HWA becomes endemic to an ...both eastern hemlock and ...
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The Effect of Hemlock Woolly Adelgid Infestation on Water Relations of Carolina and Eastern Hemlock
... ornamental eastern hemlock in Richmond, Virginia. It continued to spread throughout the Mid-Atlantic States, restricting infestation to ornamental hemlocks, for the following thirty years (Souto et al. ...
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Spatial Tools for Managing the Hemlock Woolly Adelgid in the Southern Appalachians
... The hemlock woolly adelgid was introduced to western North America in the 1920s, probably on infested nursery stock (Cheah et ...western hemlock (Tsuga heterophylla) trees, but with no noticeable impact on ...
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Developing Artificial Rearing Techniques for Hemlock Woolly Adelgid, Adelges tsugae and Balsam Woolly Adelgid, Adelges piceae; Artificial Infestation and Epicuticular Wax Study of Carolina Hemlock, Tsuga caroliniana, Provenances.
... stands. Eastern hemlock has unique structural characteristics that provide important habitat for numerous bird species in northeastern United States, and removal of hemlock stands by HWA has profound ...
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Assessing Carolina Hemlock (Tsuga caroliniana Engelm.) Population Genetic Structure and Diversity in the Southern Appalachians using Microsatellite Markers.
... Carolina hemlock populations would mirror the patterns shown by Eastern hemlock, since they would presumably have undergone the same history of Pleistocene glaciations and have had glacial refugia in ...
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Spatial Distribution of Hemlock Woolly Adelgid Induced Hemlock Mortality in the Southern Appalachians
... The hemlock woolly adelgid (Adelges tsugae Annand, HWA) (Hemiptera: Adelgidae) is currently causing severe decline in vitality and survival of eastern hemlock (Tsuga canadensis ...Carolina ...
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Economic Impact of the Hemlock Woolly Adelgid on Residential Property Values.
... The hemlock woolly adelgid (Adelges tsugae Annad) is an exotic insect pest that causes mortality to eastern and Carolina hemlocks (Tsuga canadensis, Tsuga caroliniana ...old hemlock stands as the ...
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Using Climate and Genetic Diversity Data to Prioritize Conservation Seed Banking for Imperiled Hemlock Species.
... as eastern Minnesota (Figure ...range. Eastern hemlock is one of the most shade tolerant tree species, requiring only 5% sunlight for ...1990). Eastern hemlock thrives in cool, humid ...
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Evaluating Techniques for Artificially Infesting Hemlocks (Tsuga spp.) with the Hemlock Woolly Adelgid (Adelges tsugae) for Genotype Resistance Screening.
... of eastern and Carolina ...of eastern hemlock, as well as nineteen populations and one hundred thirty four families of Carolina hemlock, have been sampled (Dvorak ...of hemlock in ...
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Developing a Model Approach for Monitoring Long-term Population Changes on Parks and Nature Preserves.
... at Hemlock Bluffs Nature Preserve (HBNP) in Cary, North Carolina to model occupancy of focal species and demonstrate a replicable long-term protocol applicable to parks and nature ...
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Estimating upper stem diameters and volume of Douglas-fir and Western hemlock trees in the Pacific northwest
... western hemlock (Tsuga heterophylla)), we evaluated the performance of one simple polynomial function and four variable-exponent taper functions in predicting upper stem ...
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Analysis of Work Participation Rate among District Head Quarters of Rajasthan
... Table-4 shows that out of 32 DHQs twelve (37.5 percent) DHQs have high WPR of more than 48 percent. DHQ Bhilwara has recorded highest WPR of 52.5 percent followed by Ganganagr(51.77), Jaisalmer(51.22), ...
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Photodiscoloration of western hemlock (Tsuga heterophylla) sapwood III Early stage of photodiscoloration reaction with lignans
... 13'~5 Although these prod- ucts began to form during light-irradiation for 5 h (data not shown), in this experiment we irradiated with light for 20h to increase the yield [r] ...
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Bioaccumulation of Microcystins by Freshwater Mussels in Mystic Lake and Middle Pond, MA, Breanna Travers, Amanda Murby, and James F. Haney
... including Eastern Lampmussel, Eastern Elliptio, Eastern Floater, and Tidewater Mucket were collected from bloom condition ...the Eastern Lampmussel and Eastern Elliptio to ...the ...
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Regionalism and Sub-regionalism in the Caribbean: Challenges and Prospects - Any Insights from Europe? Jean Monnet/Robert Schuman Paper Series Vol. 11, No. 4, September 2011
... the Eastern Caribbean Supreme Court was established in 1967 and predates the 1981 Treaty of ...The Eastern Caribbean Supreme Court has built up a body of community law at the sub regional ...the ...
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Rainfall Trend in Drought Prone Region in Eastern Part of Satara District of Maharashtra, India
... determinant of crop production levels from year to year, and rainfall in much of the district often erratic and unreliable. Rainfall variability and associated droughts have historically been major causes of food ...
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