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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.

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.

Changes in CO2 during ocean anoxic event 1d indicate similarities to other carbon cycle perturbations (2018)
Journal Article
Richey, J. D., Upchurch, G., Montañez, I. P., Lomax, B. H., Suarez, M. B., Crout, N. M., …Smith, J. J. (2018). Changes in CO2 during ocean anoxic event 1d indicate similarities to other carbon cycle perturbations. Earth and Planetary Science Letters, 491, https://doi.org/10.1016/j.epsl.2018.03.035

Past greenhouse intervals of the Mesozoic were repeatedly punctuated by Ocean Anoxic Events (OAEs), major perturbations to the global carbon cycle and abrupt climate changes that may serve as relevant analogs for Earth’s greenhouse gas-forced climate... Read More about Changes in CO2 during ocean anoxic event 1d indicate similarities to other carbon cycle perturbations.

Plant responses to simulated carbon capture and transport leakage: the effect of impurities in the CO2 gas stream (2018)
Journal Article
Lake, J. A., & Lomax, B. H. (2018). Plant responses to simulated carbon capture and transport leakage: the effect of impurities in the CO2 gas stream. International Journal of Greenhouse Gas Control, 72, https://doi.org/10.1016/j.ijggc.2018.01.013

To deliver an effective transition from a carbon-based 24 to a carbon-free energy market, bridging technologies are required. One such possibility is the use of carbon capture and storage, (CCS). However, before such innovations can be rolled out a k... Read More about Plant responses to simulated carbon capture and transport leakage: the effect of impurities in the CO2 gas stream.

Nutrient limitation or home field advantage: does microbial community adaptation overcome nutrient limitation of litter decomposition in a tropical peatland? (2018)
Journal Article
Hoyos-Santillan, J., Lomax, B. H., Turner, B. L., & Sjögersten, S. (in press). Nutrient limitation or home field advantage: does microbial community adaptation overcome nutrient limitation of litter decomposition in a tropical peatland?. Journal of Ecology, https://doi.org/10.1111/1365-2745.12923

Litter decomposition is an important control on carbon accumulation in tropical peatlands. Stoichiometric theory suggests that decomposition is regulated by elemental ratios in litter while the home field advantage (HFA) hypothesis predicts that deco... Read More about Nutrient limitation or home field advantage: does microbial community adaptation overcome nutrient limitation of litter decomposition in a tropical peatland?.

Is pollen size a robust proxy for moisture availability? (2017)
Journal Article
Jardine, P. E., & Lomax, B. H. (2017). Is pollen size a robust proxy for moisture availability?. Review of Palaeobotany and Palynology, 246, https://doi.org/10.1016/j.revpalbo.2017.06.013

The development of well-constrained palaeo-proxies that enable the reconstruction of past climate change is becoming an ever more important field of scientific enquiry within the palaeobotanical community, with the potential to deliver broader impact... Read More about Is pollen size a robust proxy for moisture availability?.

Pollen and spores as biological recorders of past ultraviolet irradiance (2016)
Journal Article
Jardine, P. E., Fraser, W. T., Lomax, B. H., Sephton, M. A., Shanahan, T. M., Miller, C. S., & Gosling, W. D. (in press). Pollen and spores as biological recorders of past ultraviolet irradiance. Scientific Reports, 6(39269), https://doi.org/10.1038/srep39269

Solar ultraviolet (UV) irradiance is a key driver of climatic and biotic change. Ultraviolet irradiance modulates stratospheric warming and ozone production, and influences the biosphere from ecosystem-level processes through to the largest scale pat... Read More about Pollen and spores as biological recorders of past ultraviolet irradiance.