G. P. Sparling

Research.com Recognitions

• 2026 - Research.com Environmental Sciences in New Zealand Leader Award

Overview

Best Publications

• Ratio of microbial biomass carbon to soil organic carbon as a sensitive indicator of changes in soil organic matter

  Unknown

  894
  Citations

• A direct extraction method to estimate soil microbial C: calibration in situ using microbial respiration and 14C labelled cells

  Unknown

  485
  Citations

• Decreases in organic C reserves in soils can reduce the catabolic diversity of soil microbial communities

  Bradley P. Degens;Bradley P. Degens;Louis A. Schipper;Graham P. Sparling;Maja Vojvodic-Vukovic

  481
  Citations

• Hot-water-soluble C as a simple measure of labile soil organic matter: the relationship with microbial biomass C

  G Sparling;Maja Vojvodić-Vuković;L.A Schipper

  454
  Citations

• Is the microbial community in a soil with reduced catabolic diversity less resistant to stress or disturbance

  Bradley P. Degens;Louis A. Schipper;Graham P. Sparling;Louise C. Duncan

  411
  Citations

• Estimation of soil microbial c by a fumigation-extraction method: use on soils of high organic matter content, and a reassessment of the kec-factor

  Unknown

  411
  Citations

• Modifications to the substrate-induced respiration method to permit measurement of microbial biomass in soils of differing water contents

  Unknown

  339
  Citations

• Predicting groundwater nitrate concentrations in a region of mixed agricultural land use: a comparison of three approaches

  Unknown

  327
  Citations

• 14C-labelled ryegrass turnover and residence times in soils varying in clay content and mineralogy

  S. Saggar;A. Parshotam;G.P. Sparling;C.W. Feltham

  263
  Citations

• Quantifying the contribution from the soil microbail biomass to the extractable P levels of fresh and air-dried soils

  Unknown

  195
  Citations

• Soil quality at a national scale in New Zealand.

  G. P. Sparling;L. A. Schipper

  183
  Citations

• Increasing the length of hyphae in a sandy soil increases the amount of water-stable aggregates

  B.P. Degens;G.P. Sparling;Lynette Abbott

  182
  Citations

• Soil quality monitoring in New Zealand: practical lessons from a 6-year trial

  G.P. Sparling;L.A. Schipper;W. Bettjeman;R. Hill

  173
  Citations

• Performance of Soil Condition Indicators Across Taxonomic Groups and Land Uses

  L. A. Schipper;G. P. Sparling

  168
  Citations

• Recovery of topsoil characteristics after landslip erosion in dry hill country of New Zealand, and a test of the space-for-time hypothesis

  Graham Sparling;Des Ross;Noel Trustrum;Greg Arnold

  163
  Citations

• Effect of short-term legume residue decomposition on soil acidity

  Caixian Tang;G.P. Sparling;C.D.A. Mclay;C. Raphael

  162
  Citations

• Microcalorimetry and other methods to assess biomass and activity in soil

  Unknown

  162
  Citations

• Interpretation of microbial biomass measurements for soil quality assessment in humid temperate regions

  M. R. Carter;E. G. Gregorich;D. A. Angers;M. H. Beare

  161
  Citations

• Changes in microbial heterotrophic diversity along five plant successional sequences

  L.A Schipper;B.P Degens;G.P Sparling;L.C Duncan

  158
  Citations

• Use of ergosterol, diaminopimelic acid and glucosamine contents of soils to monitor changes in microbial populations

  Unknown

  157
  Citations

• Changes in soil organic C, microbial C and aggregate stability under continuous maize and cereal cropping, and after restoration to pasture in soils from the Manawatu region, New Zealand

  Graham P. Sparling;T. Graham Shepherd;Helen A. Kettles

  140
  Citations

• Importance of soil water content when estimating soil microbial C, N and P by the fumigation-extraction methods

  Graham P. Sparling;Andrew W. West

  130
  Citations

• Soil quality monitoring in New Zealand: trends and issues arising from a broad-scale survey

  Graham Sparling;Louis Schipper

  126
  Citations

• Rates of accumulation of cadmium and uranium in a New Zealand hill farm soil as a result of long-term use of phosphate fertilizer

  Louis A. Schipper;Graham P. Sparling;L.M. Fisk;M.B. Dodd

  125
  Citations

• Soil microbial biomass in Amazonian soils: Evaluation of methods and estimates of pool sizes

  B.J. Feigl;G.P. Sparling;D.J. Ross;C.C. Cerri

  121
  Citations

• What is Soil Organic Matter Worth

  G. P. Sparling;D. Wheeler;E.-T. Vesely;L. A. Schipper

  117
  Citations

• Hydraulic conductivity in soils irrigated with wastewaters of differing strengths: Field and laboratory studies

  G. P. Sparling;J. C. Williamson;G. N. Magesan;L. A. Schipper

  115
  Citations

• Comparison of microbial C, N-flush and ATP, and certain enzyme activities of different textured soils subject to gradual drying

  AW West;GP Sparling;TW Speir;JM Wood

  102
  Citations

• Pasture and forest soil microbial communities show distinct patterns in their catabolic respiration responses at a landscape scale

  B.A. Stevenson;G.P. Sparling;L.A. Schipper;B.P. Degens

  95
  Citations