Search Results - "Berg, L J"

Sphagnum mosses--masters of efficient N-uptake while avoiding intoxication by Fritz, Christian, Lamers, Leon P M, Riaz, Muhammad, van den Berg, Leon J L, Elzenga, Theo J T M

“…Peat forming Sphagnum mosses are able to prevent the dominance of vascular plants under ombrotrophic conditions by efficiently scavenging atmospherically…”
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Direct and indirect effects of nitrogen deposition on species composition change in calcareous grasslands by VAN DEN BERG, LEON J. L., VERGEER, PHILIPPINE, RICH, TIM C. G., SMART, SIMON M., GUEST, DAN, ASHMORE, MIKE R.

“…Atmospheric nitrogen (N) deposition has been identified as a major threat to biodiversity, but field surveys of its effects have rarely focussed on sites which…”
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Dissolved organic carbon (DOC) concentrations in UK soils and the influence of soil, vegetation type and seasonality by van den Berg, Leon J.L., Shotbolt, Laura, Ashmore, Mike R.

“…Given the lack of studies which measured dissolved organic carbon (DOC) over long periods, especially in non-forest habitat, the aim of this study was to…”
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Ecosystem responses to reduced and oxidised nitrogen inputs in European terrestrial habitats by Stevens, Carly J., Manning, Pete, van den Berg, Leon J.L., de Graaf, Maaike C.C., Wamelink, G.W. Wieger, Boxman, Andries W., Bleeker, Albert, Vergeer, Philippine, Arroniz-Crespo, Maria, Limpens, Juul, Lamers, Leon P.M., Bobbink, Roland, Dorland, Edu

“…While it is well established that ecosystems display strong responses to elevated nitrogen deposition, the importance of the ratio between the dominant forms…”
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The importance of considering origin in effects of nitrogen deposition on plant performance and competitive ability by Wedlich, Kerstin V., Vergeer, Philippine, Ashmore, Mike R., van den Berg, Leon L. J.

“…Background and Aims Differential capacity of species/genotypes to respond to increased atmospheric N deposition may be an important long-term driver of species…”
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Longitudinal Study of Fecal Shedding of Escherichia coli O157:H7 in Feedlot Cattle: Predominance and Persistence of Specific Clonal Types despite Massive Cattle Population Turnover by LEJEUNE, J. T, BESSER, T. E, RICE, D. H, BERG, J. L, STILBORN, R. P, HANCOCK, D. D

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Decline of Acid-Sensitive Plant Species in Heathland Can Be Attributed to Ammonium Toxicity in Combination with Low pH by Leon J. L. van den Berg, Dorland, Edu, Vergeer, Philippine, Miron A. C. Hart, Bobbink, Roland, Jan G. M. Roelofs

“…• The effects of increasing ammonium concentrations in combination with different pH levels were studied on five heathland plant species to determine whether…”
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Atmospheric nitrogen deposition explains patterns of plant species loss by McCLEAN, COLIN J., van den BERG, LEON J. L., ASHMORE, MIKE R., PRESTON, CHRIS D.

“…Atmospheric nitrogen (N) deposition across Europe increased substantially from the 1950s to the 1990s. Targeted surveys suggest a negative correlation between…”
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Inertia in an ombrotrophic bog ecosystem in response to 9 years' realistic perturbation by wet deposition of nitrogen, separated by form by Sheppard, Lucy J., Leith, Ian D., Mizunuma, Toshie, Leeson, Sarah, Kivimaki, Sanna, Neil Cape, J., van Dijk, Netty, Leaver, David, Sutton, Mark A., Fowler, David, Van den Berg, Leon J.L., Crossley, Alan, Field, Chris, Smart, Simon

“…Wet deposition of nitrogen (N) occurs in oxidized (nitrate) and reduced (ammonium) forms. Whether one form drives vegetation change more than the other is…”
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Reduced nitrogen has a greater effect than oxidised nitrogen on dry heathland vegetation by van den Berg, L.J.L., Peters, C.J.H., Ashmore, M.R., Roelofs, J.G.M.

“…We investigated the effects of different ratios of reduced (NH 4 +) versus oxidised (NO 3 −) nitrogen in deposition on heathland and species-rich grassland…”
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Isolation and Detection of Enterovirus RNA from Large-Volume Water Samples by Using the NucliSens miniMAG System and Real-Time Nucleic Acid Sequence-Based Amplification by Rutjes, Saskia A, Italiaander, Ronald, van den Berg, Harold H. J. L, Lodder, Willemijn J, de Roda Husman, Ana Maria

“…Concentration of water samples is a prerequisite for the detection of the low virus levels that are present in water and may present a public health hazard…”
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Real-Time Detection of Noroviruses in Surface Water by Use of a Broadly Reactive Nucleic Acid Sequence-Based Amplification Assay by Rutjes, Saskia A, Berg, Harold H.J.L. van den, Lodder, Willemijn J, Roda Husman, Ana Maria de

“…Noroviruses are the most common agents causing outbreaks of viral gastroenteritis. Outbreaks originating from contaminated drinking water and from recreational…”
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Towards a research agenda for water, sanitation and antimicrobial resistance by Wuijts, Susanne, van den Berg, Harold H J L, Miller, Jennifer, Abebe, Lydia, Sobsey, Mark, Andremont, Antoine, Medlicott, Kate O, van Passel, Mark W J, de Roda Husman, Ana Maria

“…Clinically relevant antimicrobial resistant bacteria, genetic resistance elements, and antibiotic residues (so-called AMR) from human and animal waste are…”
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Coexistence and niche differentiation at large spatial scale in a West-European softwater plant community by Vanderhaeghe, Floris, Ruysschaert, Sofie, van den Berg, Leon J. L., Roelofs, Jan G. M., Smolders, Alfons J. P., Hoffmann, Maurice

“…There is growing evidence that species are able to coexist in communities through niche separation, and that consistent community structuring can take place at…”
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Uplink packet scheduling in cellular networks with relaying—comparative study by Dimitrova, D. C., van den Berg, J. L., Heijenk, G.

“…Deployment of intermediate relay nodes in cellular networks, e.g. UMTS/ HSPA, has been proposed for service enhancement, which is of particular importance for…”
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Regulatory intramolecular association in a tyrosine kinase of the Tec family by Andreotti, Amy Hamilton, Bunnell, Stephen C, Feng, Sibo, Berg, Leslie J, Schreiber, Stuart L

“…The T-cell-specific tyrosine kinase Itk is a member of the Tec family of non-receptor tyrosine kinases, and is required for signalling through the T-cell…”
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Presence of Enteric Viruses in Source Waters for Drinking Water Production in the Netherlands by Lodder, W.J, van den Berg, H.H.J.L, Rutjes, S.A, de Roda Husman, A.M

“…The quality of drinking water in the Netherlands has to comply with the Dutch Drinking Water Directive: less than one infection in 10,000 persons per year may…”
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Aboveground persistence of vascular plants in relationship to the levels of airborne nutrient deposition by Hendriks, Rob J. J, Ozinga, Wim A, van den Berg, Leon J. L, Noordijk, Erik, Schaminée, Joop H. J, van Groenendael, Jan M

“…This paper examines whether high atmospheric nitrogen deposition affects aboveground persistence of vascular plants. We combined information on local…”
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Regulation of the Polarization of T Cells Toward Antigen-Presenting Cells by Ras-Related GTPase CDC42 by Stowers, Lisa, Yelon, Deborah, Berg, Leslie J., Chant, John

“…The mechanisms by which cells rapidly polarize in the direction of external signals are not understood. Helper T cells, when contacted by an antigen-presenting…”
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A feedback fluid queue with two congestion control thresholds by Malhotra, R., Mandjes, M. R. H., Scheinhardt, W. R. W., van den Berg, J. L.

“…Feedback fluid queues play an important role in modeling congestion control mechanisms for packet networks. In this paper we present and analyze a fluid queue…”
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