List of works - Olaf Schmidt

A critical review of current methods in earthworm ecology: From individuals to populations

A global database of soil nematode abundance and functional group composition

scientific article published on 26 March 2020

A refined sampling strategy for intra-tooth stable isotope analysis of mammalian enamel

article

A simple and rapid method for labelling earthworms with 15N and 13C

A simple method for in situ-labelling with (15)N and (13)C of grassland plant species by foliar brushing

scientific article published on June 2011

Alteration of the carbon and nitrogen stable isotope composition of beef by substitution of grass silage with maize silage

article

Anecic earthworms (Lumbricus terrestris) alleviate negative effects of extreme rainfall events on soil and plants in field mesocosms

article

Annual and seasonal dry matter production, botanical species composition, and nutritive value of multispecies, permanent pasture, and perennial ryegrass swards managed under grazing

scientific article published in 2024

Authentication of grass-fed beef using bovine muscle, hair or urine

Beef authentication and retrospective dietary verification using stable isotope ratio analysis of bovine muscle and tail hair

scientific article published on 10 March 2011

Beef authentication using dietary markers: chemometric selection and modelling of significant beef biomarkers using concatenated data from multiple analytical methods

scientific article

Biochar and earthworm effects on soil nitrous oxide and carbon dioxide emissions

scientific article

Bodily variability of zinc natural isotope abundances in sheep

scientific article published in March 2010

Carbon and nitrogen stable isotope ratios in body tissue and mucus of feeding and fasting earthworms (Lumbricus festivus).

scientific article published in January 1999

Comparison of two image analysis software for root trait analysis of single and mixed species grasslands

scientific article published on 21 February 2022

Consequences of anecic earthworm removal over 18 months for earthworm assemblages and nutrient cycling in a grassland

Contrasting Cu, Fe, and Zn isotopic patterns in organs and body fluids of mice and sheep, with emphasis on cellular fractionation

scientific article published on 01 November 2013

Conventional tillage decreases the abundance and biomass of earthworms and alters their community structure in a global meta-analysis.

scientific article published on 2 May 2017

Correction to: Gunnera tinctoria invasions increase, not decrease, earthworm abundance and diversity

scientific article published in 2022

Cross-taxa congruence, indicators and environmental gradients in soils under agricultural and extensive land management

Dichogaster bolaui (Oligochaeta: Octochaetidae), an unusual invader in a swimming pool in Ireland

scientific article published in 2006

Distinct microbial and faunal communities and translocated carbon in Lumbricus terrestris drilospheres

Dual stable isotope analysis (δ13C and δ15N) of soil invertebrates and their food sources

Dual13C,15N labelling of terrestrial slugs (Deroceras reticulatum)

scientific article published on 01 September 2004

Earthworm functional traits and interspecific interactions affect plant nitrogen acquisition and primary production

article

Earthworm population dynamics as influenced by the quality of exogenous organic matter

Earthworm populations in twelve cover crop and weed management combinations

scientific article published in 2017

Effect of age and food intake on dietary carbon turnover recorded in sheep wool

scientific article

Effects of silicon-rich soil amendments on growth, mortality and bark feeding damage of Sitka spruce (Picea sitchensis) seedlings under field conditions

Experimental determination of dietary carbon turnover in bovine hair and hoof

scientific article published in 2007

Feeding habits and multifunctional classification of soil‐associated consumers from protists to vertebrates

scientific article published on 20 January 2022

Field preservation and DNA extraction methods for intestinal microbial diversity analysis in earthworms

scientific article

Global data on earthworm abundance, biomass, diversity and corresponding environmental properties

Global distribution of earthworm diversity

scientific article published on 24 October 2019

Gunnera tinctoria invasions increase, not decrease, earthworm abundance and diversity

scientific article published in 2022

Gut wall bacteria of earthworms: a natural selection process

scientific article

Host identification in unfed ticks from stable isotope compositions (δ 13 C and δ 15 N)

article

Importance of DNA quality in comparative soil microbial community structure analyses

Inferring the origin and dietary history of beef from C, N and S stable isotope ratio analysis

Influence of mineral soil on the palatability of organic matter for lumbricid earthworms: A simple food preference study

Intensive cultivation can drastically reduce earthworm populations in arable land

Intra-muscular and inter-muscular variation in carbon turnover of ovine muscles as recorded by stable isotope ratios

Intrapopulation variation in carbon and nitrogen stable isotope ratios in the earthworm Aporrectodea longa

scientific article published in 1999

Invertebrate communities (Collembola and Acari) in soil cover treatments for mine tailings in a long‐term field experiment

scientific article published in 2023

Isotopic composition of sheep wool records seasonality of climate and diet

scientific article published on August 2015

Isotopic labelling of earthworms: comments on the paper by Whalen and Janzen (2002)

article

Isotopic turnover of carbon and nitrogen in bovine blood fractions and inner organs

scientific article published in May 2014

Land-use and land-management change: relationships with earthworm and fungi communities and soil structural properties

scientific article

Long-term stability of RNA in post-mortem bovine skeletal muscle, liver and subcutaneous adipose tissues

scientific article

Mapping earthworm communities in Europe

scholarly article by Michiel Rutgers et al published January 2016 in Applied Soil Ecology

Meat provenance: Authentication of geographical origin and dietary background of meat

scientific article published on 30 May 2018

Methods and approaches to advance soil macroecology

scientific article published on 03 August 2020

Multielement Isotope Analysis of Bovine Muscle for Determination of International Geographical Origin of Meat

scientific article published on 10 March 2011

Nannipieri, P.et al., 2003. Microbial diversity and soil functions.European Journal of Soil Science, 54, 655-670

scholarly article by Evgenia Blagodatskaya et al published January 2017 in European Journal of Soil Science

Natural abundance of 15N and 13C in earthworms from a wheat and a wheat-clover field

Natural isotope signatures of host blood are replicated in moulted ticks

scientific article published on 01 October 2011

Northward range extension of an endemic soil decomposer with a distinct trophic position ⬇️

scientific article

Organic matter composition and the protist and nematode communities around anecic earthworm burrows

article

Permanent and new arable field margins support large earthworm communities but do not increase in-field populations

Photoautotrophic microorganisms as a carbon source for temperate soil invertebrates

scientific article published in January 2016

Population dynamics of Pseudomonas corrugata 2140R lux8 in earthworm food and in earthworm casts

article

Potential use of leaf carbon isotope discrimination for the selection of shade-tolerant species

scientific article published in 2006

Predatory soil nematodes (Nematoda: Mononchida) in major land-use types across Ireland

scientific article published in 2009

Priorities for research in soil ecology.

scientific article

Production of rabbit dung triple-labelled with C, N and S stable isotopes

article

Rapid transfer of C and N excreted by decomposer soil animals to plants and above-ground herbivores

scientific article published in 2022

Relationships between earthworm populations and management intensity in cattle-grazed pastures in Ireland

scientific article published in 2008

Release of plant-available silicon from various silicon-rich amendments into soil solutions and leachates

article

Seasonal variation in the C, N and S stable isotope composition of retail organic and conventional Irish beef

article

Selecting cost effective and policy-relevant biological indicators for European monitoring of soil biodiversity and ecosystem function

scientific article published in 2016

Silicon concentrations in soil and bark in Irish Sitka spruce forests

Silicon reduces slug feeding on wheat seedlings

Slurry 15NH4-N recovery in herbage and soil: effects of application method and timing

Soil networks become more connected and take up more carbon as nature restoration progresses.

scientific article

Soil properties and earthworm populations associated with bauxite residue rehabilitation strategies

scientific article published on 18 December 2018

Soil stewardship as a nexus between Ecosystem Services and One Health

article

Stable isotope analysis (δ (13)C and δ (15)N) of soil nematodes from four feeding groups

scientific article

Sulphur isotopes in animal hair track distance to sea ⬇️

scientific article published on September 15, 2011

Temporal variation outweighs effects of biosolids applications in shaping arbuscular mycorrhizal fungi communities on plants grown in pasture and arable soils

article

The Living Soil: Biodiversity and Functions

The drilosphere concept: Fine-scale incorporation of surface residue-derived N and C around natural Lumbricus terrestris burrows

scientific article (publication date: September 2013)

The fate of slurry-N fractions in herbage and soil during two growing seasons following application

The fatty acid profile and stable isotope ratios of C and N of muscle from cattle that grazed grass or grass/clover pastures before slaughter and their discriminatory potential

The feeding ecology of earthworms – A review

article

The impact of cattle dung pats on earthworm distribution in grazed pastures

scientific article published on 19 December 2018

The isotope record of short- and long-term dietary changes in sheep tooth enamel: Implications for quantitative reconstruction of paleodiets

scholarly article

Three-dimensional growth of bovine hoof as recorded by carbon stable isotope ratios

scientific article published on 01 January 2007

Tissue turnover in ovine muscles and lipids as recorded by multiple (H, C, O, S) stable isotope ratios

Tracing nitrogen derived from slurry in earthworms using 15N/14N stable isotope ratios at natural abundances

scientific article published in 1999

Trophic relationships of grassland ants based on stable isotopes

Turnover of carbon, nitrogen, and sulfur in bovine longissimus dorsi and psoas major muscles: Implications for isotopic authentication of meat1

scientific article published on 09 December 2008

Unique soil microbial assemblages associated with grassland ant species with different nesting and foraging strategies

article

Using hooves for high-resolution isotopic reconstruction of bovine dietary history

scientific article published on 01 January 2007

List of works by Olaf Schmidt

A critical review of current methods in earthworm ecology: From individuals to populations

A global database of soil nematode abundance and functional group composition

A refined sampling strategy for intra-tooth stable isotope analysis of mammalian enamel

A simple and rapid method for labelling earthworms with 15N and 13C

A simple method for in situ-labelling with (15)N and (13)C of grassland plant species by foliar brushing

Alteration of the carbon and nitrogen stable isotope composition of beef by substitution of grass silage with maize silage

Anecic earthworms (Lumbricus terrestris) alleviate negative effects of extreme rainfall events on soil and plants in field mesocosms

Annual and seasonal dry matter production, botanical species composition, and nutritive value of multispecies, permanent pasture, and perennial ryegrass swards managed under grazing

Authentication of grass-fed beef using bovine muscle, hair or urine

Beef authentication and retrospective dietary verification using stable isotope ratio analysis of bovine muscle and tail hair

Beef authentication using dietary markers: chemometric selection and modelling of significant beef biomarkers using concatenated data from multiple analytical methods

Biochar and earthworm effects on soil nitrous oxide and carbon dioxide emissions

Bodily variability of zinc natural isotope abundances in sheep

Carbon and nitrogen stable isotope ratios in body tissue and mucus of feeding and fasting earthworms (Lumbricus festivus).

Comparison of two image analysis software for root trait analysis of single and mixed species grasslands

Consequences of anecic earthworm removal over 18 months for earthworm assemblages and nutrient cycling in a grassland

Contrasting Cu, Fe, and Zn isotopic patterns in organs and body fluids of mice and sheep, with emphasis on cellular fractionation

Conventional tillage decreases the abundance and biomass of earthworms and alters their community structure in a global meta-analysis.

Correction to: Gunnera tinctoria invasions increase, not decrease, earthworm abundance and diversity

Cross-taxa congruence, indicators and environmental gradients in soils under agricultural and extensive land management

Dichogaster bolaui (Oligochaeta: Octochaetidae), an unusual invader in a swimming pool in Ireland

Distinct microbial and faunal communities and translocated carbon in Lumbricus terrestris drilospheres

Dual stable isotope analysis (δ13C and δ15N) of soil invertebrates and their food sources

Dual13C,15N labelling of terrestrial slugs (Deroceras reticulatum)

Earthworm functional traits and interspecific interactions affect plant nitrogen acquisition and primary production

Earthworm population dynamics as influenced by the quality of exogenous organic matter

Earthworm populations in twelve cover crop and weed management combinations

Effect of age and food intake on dietary carbon turnover recorded in sheep wool

Effects of silicon-rich soil amendments on growth, mortality and bark feeding damage of Sitka spruce (Picea sitchensis) seedlings under field conditions

Experimental determination of dietary carbon turnover in bovine hair and hoof

Feeding habits and multifunctional classification of soil‐associated consumers from protists to vertebrates

Field preservation and DNA extraction methods for intestinal microbial diversity analysis in earthworms

Global data on earthworm abundance, biomass, diversity and corresponding environmental properties

Global distribution of earthworm diversity

Gunnera tinctoria invasions increase, not decrease, earthworm abundance and diversity

Gut wall bacteria of earthworms: a natural selection process

Host identification in unfed ticks from stable isotope compositions (δ 13 C and δ 15 N)

Importance of DNA quality in comparative soil microbial community structure analyses

Inferring the origin and dietary history of beef from C, N and S stable isotope ratio analysis

Influence of mineral soil on the palatability of organic matter for lumbricid earthworms: A simple food preference study

Intensive cultivation can drastically reduce earthworm populations in arable land

Intra-muscular and inter-muscular variation in carbon turnover of ovine muscles as recorded by stable isotope ratios

Intrapopulation variation in carbon and nitrogen stable isotope ratios in the earthworm Aporrectodea longa

Invertebrate communities (Collembola and Acari) in soil cover treatments for mine tailings in a long‐term field experiment

Isotopic composition of sheep wool records seasonality of climate and diet

Isotopic labelling of earthworms: comments on the paper by Whalen and Janzen (2002)

Isotopic turnover of carbon and nitrogen in bovine blood fractions and inner organs

Land-use and land-management change: relationships with earthworm and fungi communities and soil structural properties

Long-term stability of RNA in post-mortem bovine skeletal muscle, liver and subcutaneous adipose tissues

Mapping earthworm communities in Europe

Meat provenance: Authentication of geographical origin and dietary background of meat

Methods and approaches to advance soil macroecology

Multielement Isotope Analysis of Bovine Muscle for Determination of International Geographical Origin of Meat

Nannipieri, P.et al., 2003. Microbial diversity and soil functions.European Journal of Soil Science, 54, 655-670

Natural abundance of 15N and 13C in earthworms from a wheat and a wheat-clover field

Natural isotope signatures of host blood are replicated in moulted ticks

Northward range extension of an endemic soil decomposer with a distinct trophic position ⬇️

Organic matter composition and the protist and nematode communities around anecic earthworm burrows

Permanent and new arable field margins support large earthworm communities but do not increase in-field populations

Photoautotrophic microorganisms as a carbon source for temperate soil invertebrates

Population dynamics of Pseudomonas corrugata 2140R lux8 in earthworm food and in earthworm casts

Potential use of leaf carbon isotope discrimination for the selection of shade-tolerant species

Predatory soil nematodes (Nematoda: Mononchida) in major land-use types across Ireland

Priorities for research in soil ecology.

Production of rabbit dung triple-labelled with C, N and S stable isotopes

Rapid transfer of C and N excreted by decomposer soil animals to plants and above-ground herbivores

Relationships between earthworm populations and management intensity in cattle-grazed pastures in Ireland

Release of plant-available silicon from various silicon-rich amendments into soil solutions and leachates

Seasonal variation in the C, N and S stable isotope composition of retail organic and conventional Irish beef

Selecting cost effective and policy-relevant biological indicators for European monitoring of soil biodiversity and ecosystem function

Silicon concentrations in soil and bark in Irish Sitka spruce forests

Silicon reduces slug feeding on wheat seedlings

Slurry 15NH4-N recovery in herbage and soil: effects of application method and timing

Soil networks become more connected and take up more carbon as nature restoration progresses.

Soil properties and earthworm populations associated with bauxite residue rehabilitation strategies

Soil stewardship as a nexus between Ecosystem Services and One Health

Stable isotope analysis (δ (13)C and δ (15)N) of soil nematodes from four feeding groups

Sulphur isotopes in animal hair track distance to sea ⬇️

Temporal variation outweighs effects of biosolids applications in shaping arbuscular mycorrhizal fungi communities on plants grown in pasture and arable soils