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Showing 1 to 20 of 30 for “"plant litter"”.

  1. Studies on fungal biomass and activity associated with the decomposition of plant litter in freshwater

    Cook, Paul EdwardCity of London Polytechnic1987

    … by optimising extraction of hyphae from leaf litter and using a tetrazolium staining technique to detect metabolically active hyphae. An indirect method for estimating fungal biomass was developed using ergosterol as a marker. Conversion factors for ergosterol and biovolume to fungal biomass …

    london-metro Repository record

  2. An Analysis of a Generic Complex of New World Plant-Litter Thrips (Thysanoptera: Phlaeothripidae: Glyptothripini)

    Gerdes, Charles FrederickUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-14T07:04:06Z (GMT). No. of bitstreams: 1 8004172.pdf: 13398388 bytes, checksum: da8e85fba90d7fa13cf747cb20d2e6b8 (MD5) Previous issue date: 1979

    uiuc Repository record

  3. Application of the ³H-Leucine incorporation technique for quantifying rates of bacterial secondary production associated with decaying wetland plant litter

    Gillies, Jane E

    … production associated with decaying wetland plant litter. Substrate saturation experiments were conducted on three dates for bacteria colonizing decaying litter of <em>Typha angustifolia</em>, <em>Schoenoplectus validus</em>, and <em>Phragmites australis</em>. Incorporation of 3H-leucine into …

    emich Repository record

  4. Causes of temporal variations in N species transformations and mobility under acid grassland in York: The multi-functional role of plant litter

    Riaz, MuhammadUniversity of York2010

    … and was attributed to different fates of litter inputs to the soils. When N mineralization was expressed on a soil C basis, both profiles followed similar trends. These freely drained acidic profiles showed incredible potential for N mineralization and mobility well below the root zone …

    whiterose Repository record

  5. THE INFLUENCE OF THE INVASIVE CHINESE TALLOW (TRIADICA SEBIFERA) LEAF LITTER ON AQUATIC CHEMISTRY AND MICROBIAL COMMUNITY COMPOSITION

    Montez, Raymond D2016

    … the movement and invasive potential of nonnative plants in native environments. These invasions can have negative effects on ecosystem diversity and function. The nonnative and invasive plant, Chinese Tallow (<em>Triadica sebifera), </em>has already invaded much of the south eastern US where it is …

    sfasu Repository record

  6. The Role and Contribution of Saprotrophic Fungi during Standing Litter Decomposition of Two Perennial Grass Species, <i>Schizachyrium scoparium</i> and <i>Schizachyrium tenerum</i>

    Lodato, Matthew2020

    <p>In terrestrial ecosystems, most of the plant biomass produced enters the detrital pool, where microbial decomposers colonize, enzymatically degrade, and assimilate plant litter carbon and nutrients in amounts sufficient to bring about the decomposition of plant litter. Here, I estimated the …

    usm Repository record

  7. Drivers of plant and arthropod diversity and community structure in a grassland ecosystem

    Pesek, Mari FrancesUniversity of Kansas2013

    … at multiple spatial scales in governing plant diversity and arthropod community structure. Plant diversity is generally hypothesized to be limited by local competition/productivity ("niche limitation hypothesis", "NLH"), and/or by regional species pools/dispersal ("species pool …

    ku Repository record

  8. Transformation and fate of nitrate in northern prairie wetlands

    Isenhart, Thomas1992

    … microbes or in the sediment and submersed litter;Plant litter plays an important role in the transformation and fate of nitrate. Measurements of dissolved oxygen profiles using microelectrodes demonstrate that the cattail litter provided anaerobic microzones necessary for nitrate reduction. …

    iastate Repository record

  9. Dynamics of cicrobial communities associated with <i>Typha angustifolia</i> (cattail) litter in a wetland ecosystem: Effects of litter manipulations on microbial decay processes

    Foley, Andrew John

    … of microbial processes involved in plant decomposition is important in understanding energy flow and nutrient recycling in wetlands. Prior studies examining emergent plant decomposition have often used litter that had been prematurely harvested (senescent) and/or manipulated …

    emich Repository record

  10. WHITE SPRUCE (PICEA GLAUCA), MOOSE (ALCES ALCES) AND THE ORIGIN OF A ZOOTIC DISCLIMAX COMMUNITY ON ISLE ROYALE

    Caird, Stephen C2015

    … seedling density increased with forb cover and plant species richness and decreased with plant litter depth, an effect which intensified with savanna age. Spatial patterns in savannas reflected clustering attributable to seed dispersal and microsite limitation, suggesting long-sustaining …

    nmu Repository record

  11. Effects of invasion by the common reed (<i>phragmites australis</i>) on carbon transformations in a Great Lakes marsh

    Duke, Shawn Trevor2013

    … and produces toxic secondary metabolites. Plant litter decomposition, effects of water level on soil microbes, and soil microbial response to leachate additions were investigated in<em> Phragmites</em> invaded and pre-invaded <em>Typha</em> sites. Less litter mass was lost from …

    emich Repository record

  12. Biogeochemical niche construction in the forest-fynbos mosaic of Jonkershoek Nature Reserve, South Africa

    Dalwai, RaheemDepartment of Biological Sciences2014

    … nutrient enrichment via dust accumulation and plant litter decomposition. Thus I concluded that soil texture favours nutrient retention in forest soil more than in fynbos soil enhancing the disparity between nutrients in the respective environments. By influencing litter decomposition and …

    cape-town Repository record

  13. Small mammal community structure (Rodentia: Muridae) in Punda Maria, Kruger National Park, South Africa : Causes and consequences

    Scholtz, RheinhardtDepartment of Biological Sciences2008

    … percentages of total cover and herbage, plant litter depth (cm), height of dominant vegetation type measured (m) and edaphic condition were recorded at 15 randomly selected traps per site. Almonds (Prunus dulcis), baobabs (Adansonia digitata), mopane (Colophospermum mopane), and Acacia …

    cape-town Repository record

  14. Terrestrial Si dynamics in the Arctic: a study on biotic and abiotic controls

    Alfredsson, HannaDepartment of Geology, Lund University2015

    … Further, silicon is a beneficial nutrient for plants in terrestrial ecosystems and a key nutrient for diatoms in aquatic ecosystems. During the last decade the important role of terrestrial vegetation in controlling Si fluxes downstream aquatic environments, via incorporation of Si into biomass …

    lund Repository record

  15. Macroinvertebrate communities inhabiting surface mine wetlands of southwestern Virginia

    Jones, David HoltonVirginia Tech1994

    … sulfate concentration, and a biotic measure of plant litter biomass. The findings of this study can be applied to ecological restoration. Wetland creation can be incorporated into current surface mine reclamation projects. To maximize the macro invertebrate community of reclamation wetlands, …

    vt Repository record

  16. Festlegung von Radionukliden und Arsen in Feuchtgebieten an Bergbaualtstandorten – Ein Beitrag zur Passiven Wasserreinigung

    Dienemann, HolgerTechnische Universität Dresden

    … Fixierung dieser Stoffe an Bestandesabfällen (plant litter) ist möglich. Allochthoner Bestandesabfall (Blätter, Früchte, Zweige von Alnus spec. und Quercus spec.) weist nach Kontakt mit kontaminiertem Wasser (ca. 100 - 300 µgU L-1) Urangehalte von 50 - 2.000 µgU g-1 auf. Im Vergleich zu Uran …

    qucosa-diss

  17. Chemical and Degradation Characteristics of Soil Microbial Biomass

    Spence, AdrianDublin City University2010

    … studies have investigated the contribution of plant litter and crop residues to SOM. However, the contribution of soil microbial biomass to carbon-cycling is seriously underestimated and its turnover poorly understood. To address these knowledge gaps, a study utilizing 13C and 15N isotopically …

    dcu Repository record

  18. Plant species effects on soil organic matter turnover and nutrient release in forests and grasslands

    Scott, Neal Arthur, author, Binkley, Dan, advisor, Burke, Indy, committee member, Lauenroth, Bill, committee member, Ryan, Michael, committee memberColorado State University. Libraries1996

    Although feedbacks between plant species and ecosystem dynamics have been demonstrated in a variety of terrestrial ecosystems, little research has examined the mechanistic relationship between plant species characteristics, the formation and turnover of soil carbon and nitrogen pools, and ecosystem …

    colostate Repository record

  19. Impacts of degradation on critically endangered Oudtshoorn Gannaveld

    Wheeler, Alan David2010

    … mounds, termitaria, which support distinctive plant assemblages. Perennial plant data and soil data were collected from the largest remaining remnant of Oudtshoorn Gannaveld perceived to contain different levels of degradation from near pristine to severely degraded. The results show 72 species …

    western-cape Repository record

  20. Soybean nitrogen dynamics: Nitrogen fixation, yield, and residue decomposition

    Cordova Martinez, S Carolina2018

    <p>Nitrogen (N) a crucial element for plant growth, often limits net primary productivity of agroecosystems. In agricultural systems it is vital to have proper management of N to secure productivity and environmental sustainability. Soybean [Glycine max (L.) Merr.] is the second most important crop …

    iastate Repository record

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