Jonathan R. Leake
YOU?
Author Swipe
View article: Right tree, right place, right reason: Using knowledge exchange and research co‐design to explore current challenges and opportunities for sustainable urban forest management
Right tree, right place, right reason: Using knowledge exchange and research co‐design to explore current challenges and opportunities for sustainable urban forest management Open
Societal Impact Statement The urban forest provides important environmental and health and well‐being benefits to people living in cities. However, sustainable management of urban trees is challenging as they face interrelated pressures fr…
View article: Measuring the socio-economic and environmental outcomes of regenerative agriculture across spatio-temporal scales
Measuring the socio-economic and environmental outcomes of regenerative agriculture across spatio-temporal scales Open
Regenerative agriculture aims to produce food while simultaneously improving soil health, supporting biodiversity, reducing input costs and enhancing climate resilience. Evidence on its environmental and socio-economic impacts across diffe…
View article: Regenerative agriculture effects on biomass, drought resilience and <sup>14</sup>C-photosynthate allocation in wheat drilled into ley compared to disc or ploughed arable soil
Regenerative agriculture effects on biomass, drought resilience and <sup>14</sup>C-photosynthate allocation in wheat drilled into ley compared to disc or ploughed arable soil Open
Regenerative agriculture practices including leys and no-tillage facilitate biological reassembly of soil aggregates, increasing water, carbon and nutrient storage, but how this effects crop biomass, photosynthate partitioning, and drought…
View article: The role of carbonic anhydrase in rock weathering and pH regulation by the soil bacterium<i>Burkholderia thailandensis</i>E264
The role of carbonic anhydrase in rock weathering and pH regulation by the soil bacterium<i>Burkholderia thailandensis</i>E264 Open
Enhanced rock weathering (ERW) is increasingly recognized as a way to sequester atmospheric carbon dioxide (CO 2 ) to slow global warming, but its effectiveness needs to be optimized. Carbonic anhydrase (CA), an enzyme capable of accelerat…
View article: Measuring the transition to regenerative agriculture in the UK with a co-designed experiment: design, methods and expected outcomes
Measuring the transition to regenerative agriculture in the UK with a co-designed experiment: design, methods and expected outcomes Open
Regenerative agriculture is promoted as a farming system that can improve agricultural sustainability, address soil degradation, and provide ecosystem service benefits. However, there remains limited evidence for the quantifiable benefits …
View article: Photosynthate transfer from an autotrophic orchid to conspecific heterotrophic protocorms through a common mycorrhizal network
Photosynthate transfer from an autotrophic orchid to conspecific heterotrophic protocorms through a common mycorrhizal network Open
Summary The minute ‘dust seeds’ of some terrestrial orchids preferentially germinate and develop as mycoheterotrophic protocorms near conspecific adult plants. Here we test the hypothesis that mycorrhizal mycelial connections provide a dir…
View article: Herbal leys increase forage macro- and micronutrient content, spring lamb nutrition, liveweight gain, and reduce gastrointestinal parasites compared to a grass-clover ley
Herbal leys increase forage macro- and micronutrient content, spring lamb nutrition, liveweight gain, and reduce gastrointestinal parasites compared to a grass-clover ley Open
Commercial herbal leys (multispecies swards) are rapidly gaining popularity due to their potential to deliver an enhanced suite of ecosystem services. However, little is known about their impact on lamb production. A 2-ha split-field exper…
View article: Enhanced Rock Weatherings Effects on Soil and Plant Chemistry in Acidic Biodiverse Grassland
Enhanced Rock Weatherings Effects on Soil and Plant Chemistry in Acidic Biodiverse Grassland Open
Enhanced rock weathering (ERW) is the process of spreading basalt rock on agricultural soils to absorb carbon dioxide (CO2). If rolled out globally models predict it could sequester gigatonnes of atmospheric CO2 by the end of the century (…
View article: Herbal leys have no effect on soil porosity, earthworm abundance, and microbial community composition compared to a grass-clover ley in a sheep grazed grassland after 2-years
Herbal leys have no effect on soil porosity, earthworm abundance, and microbial community composition compared to a grass-clover ley in a sheep grazed grassland after 2-years Open
Herbal leys (multispecies swards) can potentially deliver greater agronomic and environmental benefits than conventional grass-clover swards in grazed agroecosystems. However, despite their popularity in agri-environment schemes, little is…
View article: Elevated <scp>CO<sub>2</sub></scp> interacts with nutrient inputs to restructure plant communities in phosphorus‐limited grasslands
Elevated <span>CO<sub>2</sub></span> interacts with nutrient inputs to restructure plant communities in phosphorus‐limited grasslands Open
Globally pervasive increases in atmospheric CO 2 and nitrogen (N) deposition could have substantial effects on plant communities, either directly or mediated by their interactions with soil nutrient limitation. While the direct consequence…
View article: Sustainability assessment of peri-urban organic horticulture — A case study in the United Kingdom
Sustainability assessment of peri-urban organic horticulture — A case study in the United Kingdom Open
Purpose There is a growing concern about the resilience and sustainability of horticultural production in the United Kingdom (UK) as a result of high energy costs and insufficient local labour, causing over-reliance on imports. In this stu…
View article: Environmental DNA is more effective than hand sorting in evaluating earthworm biodiversity recovery under regenerative agriculture
Environmental DNA is more effective than hand sorting in evaluating earthworm biodiversity recovery under regenerative agriculture Open
Regenerating soil biodiversity is vital to help reverse declines in the health of agricultural soils caused by intensification, and to support sustainable food production and agro-ecosystem services. Earthworms are key functional component…
View article: Grassland responses to elevated CO2 determined by plant–microbe competition for phosphorus
Grassland responses to elevated CO2 determined by plant–microbe competition for phosphorus Open
Rising atmospheric CO2 has stimulated plant productivity, with terrestrial ecosystems currently absorbing nearly one-third of anthropogenic CO2 emissions. Increases in photosynthesis can subsequently lead to increased carbon (C) storage in…
View article: Lorentzian polynomials on cones
Lorentzian polynomials on cones Open
Inspired by the theory of hyperbolic polynomials and Hodge theory, we develop the theory of Lorentzian polynomials on cones. This notion captures the Hodge-Riemann relations of degree zero and one. Motivated by fundamental properties of vo…
View article: Sustainable soil management in the <scp>United Kingdom</scp> : A survey of current practices and how they relate to the principles of regenerative agriculture
Sustainable soil management in the <span>United Kingdom</span> : A survey of current practices and how they relate to the principles of regenerative agriculture Open
Sustainable soil management is essential to prevent agricultural soil degradation and maintain food production and core soil‐based ecosystem services. Regenerative agriculture, one approach to sustainable soil management, is rapidly gainin…
View article: Plant survey data for: '<strong>Elevated CO2 interacts with nutrient inputs to restructure plant communities in phosphorus limited grasslands'</strong>
Plant survey data for: '<strong>Elevated CO2 interacts with nutrient inputs to restructure plant communities in phosphorus limited grasslands'</strong> Open
Dataset pertaining to manuscript entitled 'Elevated CO2 interacts with nutrient inputs to restructure plant communities in phosphorus limited grasslands' by C R Taylor et al. The excel sheets contain plant community composition surveys of …
View article: Deterministic Approximation Algorithms for Volumes of Spectrahedra
Deterministic Approximation Algorithms for Volumes of Spectrahedra Open
We give a method for computing asymptotic formulas and approximations for the volumes of spectrahedra, based on the maximum-entropy principle from statistical physics. The method gives an approximate volume formula based on a single convex…
View article: Soil macroaggregation drives sequestration of organic carbon and nitrogen with three-year grass-clover leys in arable rotations
Soil macroaggregation drives sequestration of organic carbon and nitrogen with three-year grass-clover leys in arable rotations Open
Conventional arable cropping with annual crops established by ploughing and harrowing degrades larger soil aggregates that contribute to storing soil organic carbon (SOC). The urgent need to increase SOC content of arable soils to improve …
View article: Experimental evaluation of biological regeneration of arable soil: The effects of grass-clover leys and arbuscular mycorrhizal inoculants on wheat growth, yield, and shoot pathology
Experimental evaluation of biological regeneration of arable soil: The effects of grass-clover leys and arbuscular mycorrhizal inoculants on wheat growth, yield, and shoot pathology Open
Wheat yields have plateaued in the UK over the last 25 years, during which time most arable land has been annually cropped continuously with short rotations dominated by cereals. Arable intensification has depleted soil organic matter and …
View article: The Fate and Distribution of Microalgal Nitrogen When Applied as an Agricultural Soil Fertiliser and Its Effect on Soil Microbial Communities
The Fate and Distribution of Microalgal Nitrogen When Applied as an Agricultural Soil Fertiliser and Its Effect on Soil Microbial Communities Open
Global estimates show that less than half the nitrogen fertiliser inputs to agricultural soil are taken up by crops. The remaining inorganic nutrients follow several pathways, with run off into nearby waterbodies being particularly problem…
View article: AGRONOMIC AND ENVIRONMENTAL BENEFITS OF REINTRODUCING HERB- AND LEGUME-RICH MULTISPECIES LEYS INTO ARABLE ROTATIONS: A REVIEW
AGRONOMIC AND ENVIRONMENTAL BENEFITS OF REINTRODUCING HERB- AND LEGUME-RICH MULTISPECIES LEYS INTO ARABLE ROTATIONS: A REVIEW Open
● Arable-ley rotations can alleviate soil degradation and erosion. ● Multispecies leys can improve livestock health and reduce greenhouse gas emissions. ● Ley botanical composition is crucial for determining benefits. ● Lack of livestock …
View article: Optimization and Sampling Under Continuous Symmetry: Examples and Lie\n Theory
Optimization and Sampling Under Continuous Symmetry: Examples and Lie\n Theory Open
In the last few years, the notion of symmetry has provided a powerful and\nessential lens to view several optimization or sampling problems that arise in\nareas such as theoretical computer science, statistics, machine learning,\nquantum i…
View article: Effects of mineralogy, chemistry and physical properties of basalts on carbon capture potential and plant-nutrient element release via enhanced weathering
Effects of mineralogy, chemistry and physical properties of basalts on carbon capture potential and plant-nutrient element release via enhanced weathering Open
Mafic igneous rocks, such as basalt, are composed of abundant calcium- and magnesium-rich silicate minerals widely proposed to be suitable for scalable carbon dioxide removal (CDR) by enhanced rock weathering (ERW). Here, we report a detai…
View article: Optimizing fen peatland water‐table depth for romaine lettuce growth to reduce peat wastage under future climate warming
Optimizing fen peatland water‐table depth for romaine lettuce growth to reduce peat wastage under future climate warming Open
Summary Forty percentage of UK peatlands have been drained for agricultural use, which has caused serious peat wastage and associated greenhouse gas emissions (carbon dioxide (CO 2 ) and methane (CH 4 )). In this study, we evaluated potent…
View article: Legume–microbiome interactions unlock mineral nutrients in regrowing tropical forests
Legume–microbiome interactions unlock mineral nutrients in regrowing tropical forests Open
Significance Symbiotic dinitrogen (N 2 )-fixing trees fulfill a critical function in tropical forests by bringing in new nitrogen, yet it remains unclear how they overcome constraints by highly weathered, nutrient-poor tropical soils. We a…
View article: Phosphate availability and ectomycorrhizal symbiosis with Pinus sylvestris have independent effects on the Paxillus involutus transcriptome
Phosphate availability and ectomycorrhizal symbiosis with Pinus sylvestris have independent effects on the Paxillus involutus transcriptome Open
Many plant species form symbioses with ectomycorrhizal fungi, which help them forage for limiting nutrients in the soil such as inorganic phosphate (Pi). The transcriptional responses to symbiosis and nutrient-limiting conditions in ectomy…
View article: Sampling Matrices from Harish-Chandra-Itzykson-Zuber Densities with Applications to Quantum Inference and Differential Privacy
Sampling Matrices from Harish-Chandra-Itzykson-Zuber Densities with Applications to Quantum Inference and Differential Privacy Open
Given two $n \times n$ Hermitian matrices $Y$ and $Λ$, the Harish-Chandra-Itzykson-Zuber (HCIZ) distribution on the unitary group $\text{U}(n)$ is $e^{\text{tr}(UΛU^*Y)}dμ(U)$, where $μ$ is the Haar measure on $\text{U}(n)$. The density $e…