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 “"pollen source"”.
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Phomopsis castanea infection levels in chestnut from the North and South Islands of New Zealand
… of chestnuts; possible methods of control; pollen source as a potential vector of infection and resistance; and better quantification of the levels of rot in storage. The experiments were conducted over two growing seasons in both North and South Island sites. 'P castanea' colonised leaves, …
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Aeropalynology in North London
… investigates the abundance and dispersal of pollen in an urban area with a view to making accurate predictions of daily pollen counts. Two-hourly pollen counts of more than 60 different pollen types have been recorded over four complete growing seasons in the heavily urbanized area of North …
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Allergenic pollen concentrations in the United Kingdom
… in the start and severity of the grass and birch pollen seasons at a network of sites in the United Kingdom. Daily grass and birch pollen concentrations have been monitored during the course of the study (1992-1994) at the University of North London site. Retrospective pollen data of up to 30 …
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Late glacial to Holocene climate and vegetation changes on the Tibetan Plateau inferred from fossil pollen records in lacustrine sediments
… quantitative methods, focusing on fossil pollen records recovered from Tibetan lakes and also incorporating new modern datasets. The pollen-vegetation and vegetation-climate relationships on the TP were also evaluated in order to achieve a better understanding of fossil pollen records. The …