Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"deciduous plants"”.
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Physiological and nutritional changes in nitrogen fixing trees associated with autumnal senescence and chilling
… autumnal leaf senescence of four temperate woody deciduous plants, autumn olive (Elaeagnus umbellata Thunb.), black locust (Robinia pseudoacadia L.), American sycamore (Platanus occidentalis L.) and honey locust (Gleditsia triacanthos L.), was studied during the autumns of 1987 and 1988 on two …
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Nitrogen uptake patterns by snow addition in a sub-Arctic dry heath tundra ecosystem
… and nutrient assimilation. Both evergreen and deciduous plants benefited from an extended growing season, but when the growing season was shortened, evergreen species exhibited greater resilience, while deciduous species were more susceptible to detrimental effects on growth and photosynthesis. …
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Palynology of the Hagel lignite bed and associated strata, Sentinel Butte Formation (Paleocene), in central North Dakota
… antiguasporites, and some Taxodiaceae). Deciduous plants were dominated by riparian types (e.g., Alnus) and were consistently present but made small contributions to the palynoflora.</p> <p>Palynologic percentage-frequency data were used to elucidate floral trends present. The …