This document provides a partial publication list for Mark W Pritchard including 20 publications ranging from 1987 to 1989. The publications cover topics including science management, R&D project evaluation, atomic absorption spectrometry, inductively coupled plasma emission spectrometry, plant nutrition, aluminium tolerance in plants, selenium content in ryegrass, and computer programs for molecular biologists.
Stephen A. Boyd, University Distinguished Professor, Crop and Soil Sciences; Hui Li, associate professor, Plant, Soil and Microbial Sciences; Brian J. Teppen, professor, Crop and Soil Sciences; Wei Zhang, assistant professor, Plant Soil and Microbial Sciences;
Meeting presentation October 2012
by Heather A. Wright
Ongoing results from a long-term analysis of plankton phenology at a LTER - Long Term Ecological Research Station in the Mediterranean Sea. Stn MareChiara.
Stephen A. Boyd, University Distinguished Professor, Crop and Soil Sciences; Hui Li, associate professor, Plant, Soil and Microbial Sciences; Brian J. Teppen, professor, Crop and Soil Sciences; Wei Zhang, assistant professor, Plant Soil and Microbial Sciences;
Meeting presentation October 2012
by Heather A. Wright
Ongoing results from a long-term analysis of plankton phenology at a LTER - Long Term Ecological Research Station in the Mediterranean Sea. Stn MareChiara.
A 350- to 700-word letter to the City Council in neighboring Glimmerville. In your letter, explain the situation with the Grass Carp and some of the challenges faced in restoring balance to Sparksville’s aquatic ecosystem. Since Glimmerville is experiencing a similar situation, provide advice on how to restore their lake ecosystem. Include the following points in your letter:
What is ecosystem balance? Which reduction factors and which growth factors impacted ecosystem balance in Episode 1? Describe two ways in which the invasive species and native species impact ecosystem balance.
Based on Episode 1 and the assigned readings, describe how native and invasive species might affect succession. How might an invasive species impact the natural selection of the native species within a habitat? Describe how native and invasive species affect the flow of energy in an ecosystem?
Describe four possible solutions to the Grass Carp invasion problem. Describe one advantage and one disadvantage for each solution.
As you learned in Chapters 5 and 6 of Environmental Science, the flow of energy, species interactions, and natural selection change over time. Since ecosystems and species are in flux, why should humans strive to restore and maintain ecosystem balance? Use one example from Episode 1 and one example from the assigned reading materials to support your points. Why is sustainability important to these environmental concerns?
ECOLOGY & ENVIRONMENT OF THE GREAT BASIN REGION OF THE U.S., Rang Narayanan, Elwood Miller, Stan Johnson, Bob Conrad, University of Nevada, Reno. The 8th International Symposium
“Prospects for The Third Millennium Agriculture”
Cluj-Napoca, Romania
October 7-10, 2009
Objectives
Characterize the soil microbial community across different management practices and measure the corresponding greenhouse gas fluxes.
Determine the adaptation and acclimation of the soil microbial community climate change.
Improve a soil greenhouse gas emission model to predict greenhouse gas emissions under global change scenarios.
Effect of climate change on crop pest interactionversha kumari
Climate change also disrupts and alters the distribution of pests and diseases, which poses a threat to agriculture. Climate change will also modify host physiology and resistance, and alter the stages and rates of the development of pests. IPM provide enough flexibility by which we will able to deal with many of the pests.
A 350- to 700-word letter to the City Council in neighboring Glimmerville. In your letter, explain the situation with the Grass Carp and some of the challenges faced in restoring balance to Sparksville’s aquatic ecosystem. Since Glimmerville is experiencing a similar situation, provide advice on how to restore their lake ecosystem. Include the following points in your letter:
What is ecosystem balance? Which reduction factors and which growth factors impacted ecosystem balance in Episode 1? Describe two ways in which the invasive species and native species impact ecosystem balance.
Based on Episode 1 and the assigned readings, describe how native and invasive species might affect succession. How might an invasive species impact the natural selection of the native species within a habitat? Describe how native and invasive species affect the flow of energy in an ecosystem?
Describe four possible solutions to the Grass Carp invasion problem. Describe one advantage and one disadvantage for each solution.
As you learned in Chapters 5 and 6 of Environmental Science, the flow of energy, species interactions, and natural selection change over time. Since ecosystems and species are in flux, why should humans strive to restore and maintain ecosystem balance? Use one example from Episode 1 and one example from the assigned reading materials to support your points. Why is sustainability important to these environmental concerns?
ECOLOGY & ENVIRONMENT OF THE GREAT BASIN REGION OF THE U.S., Rang Narayanan, Elwood Miller, Stan Johnson, Bob Conrad, University of Nevada, Reno. The 8th International Symposium
“Prospects for The Third Millennium Agriculture”
Cluj-Napoca, Romania
October 7-10, 2009
Objectives
Characterize the soil microbial community across different management practices and measure the corresponding greenhouse gas fluxes.
Determine the adaptation and acclimation of the soil microbial community climate change.
Improve a soil greenhouse gas emission model to predict greenhouse gas emissions under global change scenarios.
Effect of climate change on crop pest interactionversha kumari
Climate change also disrupts and alters the distribution of pests and diseases, which poses a threat to agriculture. Climate change will also modify host physiology and resistance, and alter the stages and rates of the development of pests. IPM provide enough flexibility by which we will able to deal with many of the pests.
Qu’est-ce que le SIGAPS ?
Le Système d’Interrogation, de Gestion et d’Analyse des Publications Scientifiques (SIGAPS) est un logiciel né à Lille en 2002 et mis en place à partir de 2006 au sein des établissements de santé ayant des activités de recherche. Il extrait ses informations à partir du serveur Medline-Pubmed, qu’il croise avec celles d’un annuaire contenant les caractéristiques des chercheurs et équipes de recherche. L’indicateur obtenu permet ainsi de visualiser, recenser, analyser, et évaluer la production en matière de recherche scientifique, à l’échelle d’un auteur, d’un pôle ou d’un établissement par exemple.
Ela boré dans le cadre de la réforme des modalités de financement des MIGAC (Missions d'Intérêt Général et d'Aide à la Contractualisation), il a pour objectif d'automatiser en temps réel le recensement et l'analyse des publications réalisées par les établissements hospitalo-universitaires. Le score qui en découle permet alors le financement d'une partie des MERRI (Missous d'Enseignement, de Recherche, de Référence et d'Innovation).
Le SIGAPS et les MIGAC
Comme beaucoup le savent déjà, la création des MIGA fait suite à la réforme de la T2A, pour la compensation de charges ne pouvant être rarifées à l'activité. Les MIGAC regroupent les MIG (missions de santé publique : aide mécale urgente, prévention de la santé, etc) et MERRI, et les AC (Aides à la Contractualisation : développement d'une activité , maintien d'une activité déficitaire, etc).
reseauprosante.fr
Aula sobre Interação (mouse e teclado) com OpenGL para a disciplina de Introdução à Computação Gráfica do curso de Ciência da Computação da UFPB no período 2010.1
A brief introduction into the costs and returns of short rotation coppicing (SRC) as well as the impacts on biodiversity. A group presentation as part of my MSc course at Keele University.
Soil is a wonderful gift of nature for living creatures. It supports crop growth. It is an important environmental factor, and has a close reciprocal relationship with the plants growing in it and the soil microbes that exist in it. The forest soil consists of high humus with variety of microbes. In this experiment forest area of Newasa was selected for evaluation of nutrient status and bacterial population. On the basis of density of grasses Iseilema prostratum L, Setaria pumila (Poir.) Roem. & Schult, Aristida hystrix L., Dactyloctenium aegyptium (L.) Willd, Fimbriristylis miliacea (L.) Vahl. were selected. 100 soil samples from different locations from rhizosphere of these monocots were collected and analyzed for soil nutrient status and nitrogen fixing bacterial population. It was recorded that, out of five plants, the rhizosphere soil of Setaria pumila L. showed maximum bacterial population (11700540.00). Available nitrogen (320 kg/ha) and % organic carbon (0.60 %) followed by Setaria pumila (Poir.) Roem. & Schult the bacterial population was (2558265.00), available nitrogen (203 Kg/ha) and % Organic Carbon (0.59%). Other soil nutrients were also measured.
Quantitative analysis of different soil microbial communities (Bacteria, Fungi, Actinomycetes) responsible for various biological processes and nutrient cycling (C, N and P) in terrestrial ecosystems.
Monitoring CH4, N2O and CO2 emission from rice and rice based cropping system and work out appropriate mitigation option.
Enumeration and isolation of GHG-mobilizing microbes (methanogens, methanotrophs, nitrifiers and denitrifiers).
Evaluation of the interactive effects of greenhouse gases (CO2, CH4 and N2O), temperature, hydrological and microbiological relations on soil carbon decomposition and nutrient release, and their impact on climate change.
Effect of Concentration of Silver Nanoparticles on the Uptake of Silver from ...Agriculture Journal IJOEAR
— The bioavailability and uptake of silver from silver nanoparticles in soil was investigated. Two species of insects, Acheta domesticus and Tenebrio molitor, and two species of plants, Helianthus annuus and Sorghum vulgare, were exposed to a range of concentrations of silver nanoparticles in soil. Silver nanoparticles were charactrized by techniques including transmission electron microscopy, dynamic light scattering, and powder X-ray diffraction. The concentration of silver in insects and plants exposed to silver nanoparticles was measured using inductively coupled plasma-optical emission spectrometry. The results suggested an increase in the levels of silver in both insects and plants as a function of increasing concentrations of silver nanoparticles in soil. The translocation of silver to various parts of dicot plants such as stems and leaves was also observed. Such a result was not observed in the case of monocot plants. Results from this study suggests that silver nanoparticles would be available for uptake by insects and plants in terrestrial ecosystems.
Effect of Climate Change on Copepods Diversity in a Subtropical Pond of JammuAnuragSingh1049
The prevalence of copepods that constitute an important role in food chain of aquatic ecosystem and act as indicators of productivity were examined in Kunjwani pond, Jammu. Five copepod species, Cyclops vicinus, Mesocyclops hyalinus, M. leukarti, Paracyclops fimbriatus and Neodiaptomus diaphorus were recorded along with their different level of developmental stages like nauplius, metanauplius and copepodite. These exhibited trimodal peaks during March, June and October. The data revealed that their distribution is correlated with physico-chemical factors. January to June higher density may be influenced by temperature (19.89-34.5 0C), suspended matter (50.0-112.5 mg/l.), pH (7.58-9.98), DO (2.68-11.0 mg/l.), Ca++ (12.49-31.30 mg/l.) and Mg++ (2.64-8.68 mg/l.). The species diversity index ranged between 0.9583-1.6539.
1. Partial Publication List
“Scientists’ Guide to Economics 1. Some views on economics in science policy.”
T. W. Spriggs and M. W. Pritchard. N. Z. Journal of Technology 1987, Vol. 3: 173-184.
“Scientists’ Guide to Economics 2. Some ideas on Science Management.”
T. W. Spriggs and M. W. Pritchard. N. Z. Journal of Technology 1987, Vol. 3: 185-194.
“R and D Management - Principles and Practices of Project Generation, Evaluation and Selection in
Business Corporations.” M. W. Pritchard, J. B. Tan and T. W. Spriggs. NZ DSIR Internal Report.1987.
“Sample Preparation for Quantitative Analysis" in 'Quantitative Trace Analysis of Biological Materials' Eds: H A McKenzie
and L E Smythe. ELSEVIER 1988 Mark W Pritchard and J Lee. pp 367-387.
Atomization of interferent salts from heated graphite atomizers used in atomic absorption spectrometry.
Pritchard, MW and Reeves, RD. Analytica Chimica Acta 82; 103 (1976).
Matrix interactions in an inductively coupled argon plasma optimised for simultaneous multi-element analysis by atomic
emission spectometry.
JR Sedcole, J Lee and MW Pritchard. Spectrochimica Acta 41B; 217-225. (1986).
Spectral interference on the emission of sulphur I 180.73 nm in an inductively coupled plasma.
Lee, J and Pritchard, MW Spectrochimica Acta Part B: Atomic Spectroscopy. 36B; 591-594. (1981).
Internal standard selection in the presence of matrix interactions in an inductively coupled argon plasma optimised for
simultaneous multielement analysis by atomic emission spectrometry.
Sedcole, JR Lee, J, Pritchard, MW. Spectrochimica Acta Part B: Atomic Spectroscopy 41B 227-235. (1986)
Nucleotide sequence of the dctA locus from Rhizobium leguminsarium
C W Ronson PM Astwood MW Pritchard D Hill and G Peterson.
Microbiotech 84 Massey University May 1985 Combined meeting of the NZ Microbiological Society and the NZ
Biotechnology Society
Aluninium and ammonium ion effect on the depletion of postassium from hydroponic solutions by Trifolium repens L c.v.
'Grasslands Huia'
J Lee MW Pritchard J R Sedcole and M R Robertson'. Journal of Plant Nutrition (7) # 11; (1984).
Variation for aluminium tolerance in white clover
Mackay, AD Caradus, JR and Pritchard, MW. Plant and Soil. 123(1); 101-105. (April 1990).
The influence of trace element supply on the sorption of macro-nutrients by plants.
M W Pritchard J R Sedcole and J Lee In Trace Elements in the Eighties (M Baker ed) pp 121-124 Proc NZ Trace Elements
Group Massey University Palmerston North (1985).
2. Simultaneous determination of boron, phosphorus and sulphur in some biological and soil materials by inductively-coupled
plasma emission spectrometry
Pritchard, MW and Lee, J. Analytica Chimica Acta. 157; 313-326. (1984).
Aluminium toxicity expression nutrient uptake, growth and root morphology ofTrifolium repens L. cv.'Grasslands Huia'
Lee, J and Pritchard, MW. Plant and Soil. 81; 389-402. (1984).
Towards improving the aluminium tolerance of white clover
Caradus, JR Mackay, AD Pritchard, MW
Proc. NZ Grassl. Assoc 1987 48; 163-169. (1987)
Aluminium and ammonium ion effects on the depletion of potassium from hydroponic solutions by Trifolium repens L.
cv.'grasslands huia'
Lee, J Pritchard, MW Sedcole, JR. and Robertson MR Journal of Plant Nutrition. 7(11); 1635-1650 (1984).
Effects of aluminium and micro-nutrients on the sorption of phosphorus byTrifolium repens L. cv.'Grasslands Huia'from
nutrient solutions during plant induced pH changes.
Pritchard, MW Lee, J Dunlop, J Sedcole, JR. Plant and soil.. 81 (3); 389-402. (1984).
Selenium in Ryegrass Pasture
K N Joblin and M W Pritchard. Proc. NZ Workshop on Trace Elements in New Zealand. (Publisher Univ. of Otago.) pp 93-
98 (1981).
Urinary effect on variations in the selenium and sulphur contents of ryegrass from pasture
Joblin, KN Pritchard, MW. Plant and Soil 60; 69-76 (1983).
Effect of the growing plant on the initial dissolution of phosphate rock in soil' Proc. Tech Workshop on “Use of Reactive
Phosphate Rocks and their Derivatives as fertilizers”
A D McKay M W Pritchard J K Syers. Occasional Report 1 pp 95-102 Massey Univ. Palmerston North, New Zealand.
Elemental inter relationships in perennial ryegrass from pasture: Multivariate analysis‐
Joblin, KN; Sedcole, JR and Pritchard, MW. Communications in Soil Science and Plant Analysis. 14(7) 615-627. (1983).
Trace element influences on the sorption of macro-nutrients by Trifolium repens L. cv.'Grasslands Huia' from nutrient
solutions; a cautionary tale. MW Pritchard; JR Sedcole; J Lee In Trace Elements in the Eighties (M Baker ed) pp 121-124
Proc NZ Trace Elements Group Massey University Palmerston North (1985).
“'FRONT' and 'RANS' – integrated computer programs for fast computing for molecular biologists.”
Mark W Pritchard and Chris Pugmire. BioMatrix '89 (August 1989). Waterville Valley New Hampshire USA
NocB – a new member of a family of bacterial permease membrane proteins
Mark W Pritchard and Derek W R White
Macromolecules Genes and Computing Chapter II (August 1989) Waterville Valley New Hampshire USA