Browsing by Author "Silvester, Warwick B."
Now showing items 1-5 of 7
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Acetylene reduction associated with zostera novazelandica Setch. and Spartina alterniflora Loisel., in Whangateau harbour, North Island, New Zealand
(1990)Nitrogen fixation (acetylene reduction) was investigated in Zostera novazelandica Setch. and Spartina alterniflora Loisel., in the North Island of New Zealand. Moderate rates of acetylene reduction were found in sediments ... -
Colonization dynamics and facilitative impacts of nitrogen-fixing shrub in primary succession
(Opulus Press AB, 2003-04)Whether nitrogen-fixing plants facilitate or inhibit species change in primary succession is best resolved by examining their impacts throughout the plant's entire life cycle from arrival to senescence. We experimentally ... -
Effect of Coriaria arborea on seed banks during primary succession on Mt Tarawera, New Zealand
(SIR Publishing, 2002-12-01)An experiment was conducted over two years to investigate the effect of Coriaria arborea, a native nitrogen-fixing shrub, on soil seed banks at sites representing a post-volcanic successional sequence on Mt Tarawera, New ... -
Nitrogen fixation in the New Zealand mangrove (Avicennia marina (Forsk.) Vierh. var. resinifera (Forst f.) Bakh.)
(American Society for Microbiology, 1985)Nitrogenase activity in mangrove forests at two locations in the North Island, New Zealand, was measured by acetylene reduction and 15N2 uptake. Nitrogenase activity (C2H2 reduction) in surface sediments 0 to 10 mm deep ... -
Nitrogen-15 isotope enrichment in benthic boundary layer gases of a stratified eutrophic iron and manganese rich lake
(Springer, 2012)The applicability of the natural abundance of nitrogen gas isotope ratios was used to indicate the spatial distribution of nitrogen transformations in the water column and sediment pore waters of Lake Ngapouri, a small ...
Co-authors for Warwick B. Silvester
Supervised by Warwick B. Silvester
Showing up to 5 theses - most recently added to Research Commons first.
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Ecology of aquatic hyphomycetes in New Zealand streams
(The University of Waikato, 1989)This work investigated the occurrence of aquatic hyphomycetes in stream ecosystems in New Zealand. It provided evidence for the potential importance of detrital cycles in such ecosystems and of the role of aquatic hyphomycetes ... -
Some aspects of the seed development and seedling growth of rimu, Dacrydium cupressinum, Lamb
(The University of Waikato, 1983)The morphological stages of seed development in rimu were analysed by studying microtome sections and by dissections of ovules under a stereomicroscope. Development takes 18 months from the time ovules become visible and ... -
Photosynthesis and transpiration in a dry-land Pinus radiata forest
(The University of Waikato, 1998)This thesis investigates biotic and abiotic regulation of photosynthesis and transpiration at the leaf and canopy scales in a dry-land Pinus radiata D. Don forest by combining gas exchange measurements with biophysical ... -
Succession of subalpine vegetation to Libocedrus bidwillii forest on a landslide-initiated soil chronosequence, Mount Taranaki, New Zealand
(The University of Waikato, 1988)Aspects of succession of subalpine vegetation on Mt Taranaki were examined in a vegetation chronosequence, initiated by four landslides on the same sideslope in 1333-1343 A.D., 1625 A.D., 1811-1817 A.D. and 1968-1971 A.D ... -
The effects of intensive grazing on nitrogen fixation by white clover
(The University of Waikato, 2003)The effects of the grazing animal (treading, defoliation, and excreta) on N2 fixation were investigated in an intensively managed legume-based dairy pasture in the Waikato region, North Island, New Zealand. Two major ...
