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FTIR spectra from grass pollen: A quest for species-level resolution of Poaceae and Cerealia-type pollen grains (2023)
Journal Article
Katsi, F., Kent, M. S., Jones, M., Fraser, W. T., Jardine, P. E., Eastwood, W., …Lomax, B. H. (2024). FTIR spectra from grass pollen: A quest for species-level resolution of Poaceae and Cerealia-type pollen grains. Review of Palaeobotany and Palynology, 321, Article 105039. https://doi.org/10.1016/j.revpalbo.2023.105039

Palynological analysis based on spore and pollen morphology is well established in the field of palaeo-environmental reconstruction but is currently not fully exploited for understanding the history and development of cereal cultivation due to diffic... Read More about FTIR spectra from grass pollen: A quest for species-level resolution of Poaceae and Cerealia-type pollen grains.

Response to Comment on "Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction" (2023)
Journal Article
Jardine, P. E., Peng, H., Marshall, J. E. A., Lomax, B. H., Bomfleur, B., Kent, M. S., …Liu, F. (2023). Response to Comment on "Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction". Science Advances, 9(34), Article eadj6309. https://doi.org/10.1126/sciadv.adj6309

Seddon and Zimmermann have raised questions about the evidence for increased UV-B flux across the end-Permian mass extinction (EPME) that was presented in our recent study, specifically regarding the measurement of UV-B-absorbing compound (UAC) level... Read More about Response to Comment on "Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction".

Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction (2023)
Journal Article
Liu, F., Peng, H., Marshall, J. E., Lomax, B. H., Bomfleur, B., Kent, M. S., …Jardine, P. E. (2023). Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction. Science Advances, 9(1), Article eabo6102. https://doi.org/10.1126/sciadv.abo6102

Land plants can adjust the concentration of protective ultraviolet B (UV-B)-absorbing compounds (UACs) in the outer wall of their reproductive propagules in response to ambient UV-B flux. To infer changes in UV-B radiation flux at Earth's surface dur... Read More about Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction.

Low atmospheric CO2 levels before the rise of forested ecosystems (2022)
Journal Article
Dahl, T. W., Harding, M. A. R., Brugger, J., Feulner, G., Norrman, K., Lomax, B. H., & Junium, C. K. (2022). Low atmospheric CO2 levels before the rise of forested ecosystems. Nature Communications, 13(1), Article 7616. https://doi.org/10.1038/s41467-022-35085-9

The emergence of forests on Earth (~385 million years ago, Ma)1 has been linked to an order-of-magnitude decline in atmospheric CO2 levels and global climatic cooling by altering continental weathering processes, but observational constraints on atmo... Read More about Low atmospheric CO2 levels before the rise of forested ecosystems.

Key traits of living fossil Ginkgo biloba are highly variable but not influenced by climate – Implications for palaeo-pCO2 reconstructions and climate sensitivity (2022)
Journal Article
Steinthorsdottir, M., Jardine, P. E., Lomax, B. H., & Sallstedt, T. (2022). Key traits of living fossil Ginkgo biloba are highly variable but not influenced by climate – Implications for palaeo-pCO2 reconstructions and climate sensitivity. Global and Planetary Change, 211, Article 103786. https://doi.org/10.1016/j.gloplacha.2022.103786

The Ginkgoales, including the ‘living fossil’ Ginkgo biloba, are an important group for stomata-based palaeo-pCO2 reconstructions, with long evolutionary lineages and an extensive, abundant fossil record. The stomatal proxy for palaeo-pCO2 can improv... Read More about Key traits of living fossil Ginkgo biloba are highly variable but not influenced by climate – Implications for palaeo-pCO2 reconstructions and climate sensitivity.

Ecology and climate sensitivity of a groundwater-fed lake on subtropical North Stradbroke Island (Minjerribah), Queensland, Australia over the last 7,500 years (2021)
Journal Article
Maxson, C., Tibby, J., Barr, C., Tyler, J., Leng, M., Lomax, B., …Jacobsen, G. (2022). Ecology and climate sensitivity of a groundwater-fed lake on subtropical North Stradbroke Island (Minjerribah), Queensland, Australia over the last 7,500 years. Journal of Paleolimnology, 67(1), 75-93. https://doi.org/10.1007/s10933-021-00222-9

Lake sediments are important archives of past climate variability and lake responses to climate. In order to accurately infer past climates, it is necessary to understand, and account for, the ecological processes that affect the record of indicators... Read More about Ecology and climate sensitivity of a groundwater-fed lake on subtropical North Stradbroke Island (Minjerribah), Queensland, Australia over the last 7,500 years.

Temporal changes in litterfall and potential nutrient return in cocoa agroforestry systems under organic and conventional management, Ghana (2021)
Journal Article
Asigbaase, M., Dawoe, E., Lomax, B. H., & Sjogersten, S. (2021). Temporal changes in litterfall and potential nutrient return in cocoa agroforestry systems under organic and conventional management, Ghana. Heliyon, 7(10), Article e08051. https://doi.org/10.1016/j.heliyon.2021.e08051

Litterfall is a critical link between vegetation and soils by which nutrients are returned to the soils, thus the amount and pattern of litterfall regulates nutrient cycling, soil fertility and primary productivity for most terrestrial ecosystems. We... Read More about Temporal changes in litterfall and potential nutrient return in cocoa agroforestry systems under organic and conventional management, Ghana.

Fourier transform infrared spectroscopy as a tracer of organic matter sources in lake sediments (2021)
Journal Article
Maxson, C., Tibby, J., Marshall, J., Kent, M., Tyler, J., Barr, C., …Lomax, B. H. (2021). Fourier transform infrared spectroscopy as a tracer of organic matter sources in lake sediments. Palaeogeography, Palaeoclimatology, Palaeoecology, 581, Article 110622. https://doi.org/10.1016/j.palaeo.2021.110622

The source of sedimentary organic matter in lakes can help to elucidate climate and catchment variation and processes that reflect lake development. Common techniques for tracing sediment organic matter sources, such as the stable isotopes and elemen... Read More about Fourier transform infrared spectroscopy as a tracer of organic matter sources in lake sediments.

Sporopollenin chemistry and its durability in the geological record: an integration of extant and fossil chemical data across the seed plants (2021)
Journal Article
Jardine, P. E., Hoorn, C., Beer, M. A., Barbolini, N., Woutersen, A., Bogota-Angel, G., …Dupont-Nivet, G. (2021). Sporopollenin chemistry and its durability in the geological record: an integration of extant and fossil chemical data across the seed plants. Palaeontology, 64(2), 285-305. https://doi.org/10.1111/pala.12523

© 2021 The Authors. Palaeontology published by John Wiley & Sons Ltd on behalf of The Palaeontological Association. Sporopollenin is a highly resistant biopolymer that forms the outer wall of pollen and spores (sporomorphs). Recent research into sp... Read More about Sporopollenin chemistry and its durability in the geological record: an integration of extant and fossil chemical data across the seed plants.

Decomposition and nutrient mineralisation of leaf litter in smallholder cocoa agroforests: a comparison of organic and conventional farms in Ghana (2020)
Journal Article
Asigbaase, M., Dawoe, E., Sjogersten, S., & Lomax, B. H. (2020). Decomposition and nutrient mineralisation of leaf litter in smallholder cocoa agroforests: a comparison of organic and conventional farms in Ghana. Journal of Soils and Sediments, https://doi.org/10.1007/s11368-020-02844-4

© 2020, The Author(s). Purpose: Although litter decomposition and nutrient release patterns have been studied in cocoa agroforestry systems in general, studies focusing on organic and conventional cocoa systems are lacking which is critical as organi... Read More about Decomposition and nutrient mineralisation of leaf litter in smallholder cocoa agroforests: a comparison of organic and conventional farms in Ghana.

Proxy reconstruction of ultraviolet-B irradiance at the Earth's surface, and its relationship with solar activity and ozone thickness (2019)
Journal Article
Jardine, P. E., Fraser, W. T., Gosling, W. D., Roberts, C. N., Eastwood, W. J., & Lomax, B. H. (2020). Proxy reconstruction of ultraviolet-B irradiance at the Earth's surface, and its relationship with solar activity and ozone thickness. Holocene, 30(1), 155-161. https://doi.org/10.1177/0959683619875798

Solar ultraviolet-B (UV-B) irradiance that reaches the Earth’s surface acts as a biotic stressor and has the potential to modify ecological and environmental functioning. The challenges of reconstructing ultraviolent (UV) irradiance prior to the sate... Read More about Proxy reconstruction of ultraviolet-B irradiance at the Earth's surface, and its relationship with solar activity and ozone thickness.

Ginkgo leaf cuticle chemistry across changing pCO2 regimes (2019)
Journal Article
Jardine, P. E., Kent, M., Fraser, W. T., & Lomax, B. H. (2019). Ginkgo leaf cuticle chemistry across changing pCO2 regimes. Paläontologische Zeitschrift, 93(3), 549-558. https://doi.org/10.1007/s12542-019-00486-7

Cuticles have been a key part of palaeobotanical research since the mid-19th Century. Recently, cuticular research has moved beyond morphological traits to incorporate the chemical signature of modern and fossil cuticles, with the aim of using this a... Read More about Ginkgo leaf cuticle chemistry across changing pCO2 regimes.

Evaluation of vegetation communities, water table, and peat composition as drivers of greenhouse gas emissions in lowland tropical peatlands (2019)
Journal Article
Hoyos-Santillan, J., Lomax, B. H., Large, D., Turner, B. L., Lopez, O. R., Boom, A., …Sjögersten, S. (2019). Evaluation of vegetation communities, water table, and peat composition as drivers of greenhouse gas emissions in lowland tropical peatlands. Science of the Total Environment, 688, 1193-1204. https://doi.org/10.1016/j.scitotenv.2019.06.366

© 2019 Elsevier B.V. Tropical peatlands are globally important source of greenhouse gases to the atmosphere, but data on carbon fluxes from these ecosystems is limited due to the logistical challenges of measuring gas fluxes in these ecosystems. Prop... Read More about Evaluation of vegetation communities, water table, and peat composition as drivers of greenhouse gas emissions in lowland tropical peatlands.

Chemotaxonomy of domesticated grasses: a pathway to understanding the origins of agriculture (2019)
Journal Article
Jardine, P. E., Gosling, W. D., Lomax, B. H., Julier, A. C. M., & Fraser, W. T. (2019). Chemotaxonomy of domesticated grasses: a pathway to understanding the origins of agriculture. Journal of Micropalaeontology, 38(1), 83-95. https://doi.org/10.5194/jm-38-83-2019

The grass family (Poaceae) is one of the most economically important plant groups in the world today. In particular many major food crops, including rice, wheat, maize, rye, barley, oats and millet, are grasses that were domesticated from wild progen... Read More about Chemotaxonomy of domesticated grasses: a pathway to understanding the origins of agriculture.

Plant responses to simulated carbon capture and storage (CCS) CO2 pipeline leakage: the effect of soil type (2019)
Journal Article
Lake, J. A., & Lomax, B. H. (2019). Plant responses to simulated carbon capture and storage (CCS) CO2 pipeline leakage: the effect of soil type. Greenhouse Gases: Science and Technology, 9(2), 397-408. https://doi.org/10.1002/ghg.1858

Carbon capture and storage (CCS) has been proposed as a bridging technology to enable the transition to an energy system based on renewable sources. Many high CO2?emitting industries (such as the power industry) are distant from potential carbon stor... Read More about Plant responses to simulated carbon capture and storage (CCS) CO2 pipeline leakage: the effect of soil type.

An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2 (2018)
Journal Article
Lomax, B. H., Lake, J. A., Leng, M. J., & Jardine, P. E. (2019). An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2. Geochimica et Cosmochimica Acta, 247, 162-174. https://doi.org/10.1016/j.gca.2018.12.026

Understanding changes in atmospheric CO2 over geological time via the development of well constrained and tested proxies is of increasing importance within the Earth sciences. Recently a new proxy (identified as the C3 proxy) has been proposed that i... Read More about An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2.

Variability in modern pollen rain from moist and wet tropical forest plots in Ghana, West Africa (2018)
Journal Article
Julier, A. C. M., Jardine, P. E., Adu-Bredu, S., Coe, A. L., Fraser, W. T., Lomax, B. H., …Gosling, W. D. (2019). Variability in modern pollen rain from moist and wet tropical forest plots in Ghana, West Africa. Grana, 58(1), 45-62. https://doi.org/10.1080/00173134.2018.1510027

How pollen moves within and between ecosystems affects factors such as the genetic structure of populations, how resilient they are to environmental change, and the amount and nature of pollen preserved in the sedimentary record. We set arti fi... Read More about Variability in modern pollen rain from moist and wet tropical forest plots in Ghana, West Africa.

Diets of giants: the nutritional value of sauropod diet during the Mesozoic (2018)
Journal Article
Gill, F. L., Hummel, J., Sharifi, A. R., Lee, A. P., & Lomax, B. H. (2018). Diets of giants: the nutritional value of sauropod diet during the Mesozoic. Palaeontology, https://doi.org/10.1111/pala.12385

A major uncertainty in estimating energy budgets and population densities of extinct animals is the carrying capacity of their ecosystems, constrained by net primary productivity (NPP) and its digestible energy content. The hypothesis that increases... Read More about Diets of giants: the nutritional value of sauropod diet during the Mesozoic.