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All Outputs (37)

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.

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., Joeckel, R., Ludvigson, G. A., & 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?.

The modern pollen-vegetation relationships of a tropical forest-savannah mosaic landscape, Ghana, West Africa. (2017)
Journal Article
Julier, A. C., Jardine, P. E., Adu-Bredu, S., Coe, A. L., Duah-Gyamfi, A., Fraser, W. T., …Gosling, W. D. (2018). The modern pollen-vegetation relationships of a tropical forest-savannah mosaic landscape, Ghana, West Africa. Palynology, 42(3), 324-338. https://doi.org/10.1080/01916122.2017.1356392

Transitions between forest and savannah vegetation types in fossil pollen records are often poorly understood due to over-production by taxa such as Poaceae and a lack of modern pollen–vegetation studies. Here, modern pollen assemblages from within a... Read More about The modern pollen-vegetation relationships of a tropical forest-savannah mosaic landscape, Ghana, West Africa..

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.

Shedding light on sporopollenin chemistry, with reference to UV reconstructions (2016)
Journal Article
Jardine, P. E., Abernethy, F. A., Lomax, B. H., Gosling, W. D., & Fraser, W. T. (2017). Shedding light on sporopollenin chemistry, with reference to UV reconstructions. Review of Palaeobotany and Palynology, 238, https://doi.org/10.1016/j.revpalbo.2016.11.014

Sporopollenin, which forms the outer wall of pollen and spores, contains a chemical signature of ultraviolet-B flux via concentrations of UV-B absorbing compounds (UACs), providing a proxy for reconstructing UV irradiance through time. Although Fouri... Read More about Shedding light on sporopollenin chemistry, with reference to UV reconstructions.

A novel root-to-shoot stomatal response to very high CO2 levels in the soil: electrical, hydraulic and biochemical signalling (2016)
Journal Article
Lake, J. A., Walker, H. J., Cameron, D. D., & Lomax, B. H. (2017). A novel root-to-shoot stomatal response to very high CO2 levels in the soil: electrical, hydraulic and biochemical signalling. Physiologia Plantarum, 159(4), 433-444. https://doi.org/10.1111/ppl.12525

Investigations were undertaken in the context of the potential environmental impact of Carbon Capture and Storage (CCS) transportation in the form of a hypothetical leak of extreme levels of CO2 into the soil environment and subsequent effects on pla... Read More about A novel root-to-shoot stomatal response to very high CO2 levels in the soil: electrical, hydraulic and biochemical signalling.

Chemotaxonomy as a tool for interpreting the cryptic diversity of Poaceae pollen (2016)
Journal Article
Julier, A. C., Jardine, P. E., Coe, A. L., Gosling, W. D., Lomax, B. H., & Fraser, W. T. (2016). Chemotaxonomy as a tool for interpreting the cryptic diversity of Poaceae pollen. Review of Palaeobotany and Palynology, 235, https://doi.org/10.1016/j.revpalbo.2016.08.004

The uniform morphology of different species of Poaceae (grass) pollen means that identification to below family level using light microscopy is extremely challenging. Poor taxonomic resolution reduces recoverable information from the grass pollen rec... Read More about Chemotaxonomy as a tool for interpreting the cryptic diversity of Poaceae pollen.

Quality not quantity: organic matter composition controls of CO₂and CH₄fluxes in neotropical peat profiles (2016)
Journal Article
Hoyos-Santillan, J., Lomax, B. H., Large, D., Turner, B. L., Boom, A., Lopez, O. R., & Sjögersten, S. (2016). Quality not quantity: organic matter composition controls of CO₂and CH₄fluxes in neotropical peat profiles. Soil Biology and Biochemistry, 103, https://doi.org/10.1016/j.soilbio.2016.08.017

Tropical peatlands represent an important source of carbon dioxide (CO₂) and methane (CH₄) to the atmosphere. However, we do not know where in the peat profile these gases are produced and how controlling factors, such as substrate quality, which can... Read More about Quality not quantity: organic matter composition controls of CO₂and CH₄fluxes in neotropical peat profiles.

Plant responses to elevated CO 2 levels in soils: Distinct CO 2 and O 2 -depletion effects (2016)
Journal Article
Lake, J. A., Steven, M. D., Smith, K. L., & Lomax, B. H. (2017). Plant responses to elevated CO 2 levels in soils: Distinct CO 2 and O 2 -depletion effects. International Journal of Greenhouse Gas Control, 64, 333-339. https://doi.org/10.1016/j.ijggc.2016.07.042

To investigate potential environmental effects in the context of carbon dioxide (CO2) leakage from Carbon Capture and Storage (CCS) schemes, the University of Nottingham ASGARD (Artificial Soil Gassing And Response Detection) facility, was used to in... Read More about Plant responses to elevated CO 2 levels in soils: Distinct CO 2 and O 2 -depletion effects.

Palaeoproxies: botanical monitors and recorders of atmospheric change (2015)
Journal Article
Lomax, B. H., & Fraser, W. T. (2015). Palaeoproxies: botanical monitors and recorders of atmospheric change. Palaeontology, 58(5), 759-768. https://doi.org/10.1111/pala.12180

The integration of plant and Earth sciences offers the opportunity to develop and test palaeobotanical monitors and recorders (palaeoproxies) of past atmospheric change that are understood from a mechanistic perspective, with the underpinning respons... Read More about Palaeoproxies: botanical monitors and recorders of atmospheric change.

The impact of oxidation on spore and pollen chemistry (2015)
Journal Article
Jardine, P. E., Fraser, W. T., Lomax, B. H., & Gosling, W. D. (in press). The impact of oxidation on spore and pollen chemistry. Journal of Micropalaeontology, 34(2), https://doi.org/10.1144/jmpaleo2014-022

Sporomorphs (pollen and spores) have an outer wall composed of sporopollenin. Sporopollenin chemistry contains both a signature of ambient ultraviolet-B flux and taxonomic information, but it is currently unknown how sensitive this is to standard pal... Read More about The impact of oxidation on spore and pollen chemistry.

Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms (2015)
Journal Article
Lee, A. P., Upchurch, G., Murchie, E. H., & Lomax, B. H. (2015). Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms. Proceedings of the Royal Society B: Biological Sciences, 282(1803), https://doi.org/10.1098/rspb.2014.3052

Despite more than a century of research, some key aspects of habitat preference and ecology of the earliest angiosperms remain poorly constrained. Proposed growth ecology has varied from opportunistic weedy species growing in full sun to slow-growing... Read More about Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms.

Pollen and spores as a passive monitor of ultraviolet radiation (2014)
Journal Article
Lomax, B. H., Fraser, W. T., Jardine, P. E., Gosling, W. D., & Sephton, M. A. (2014). Pollen and spores as a passive monitor of ultraviolet radiation. Frontiers in Ecology and Evolution, 2, Article 12. https://doi.org/10.3389/fevo.2014.00012

© 2014 Fraser, Lomax, Jardine, Gosling and Sephton. Sporopollenin is the primary component of the outer walls of pollen and spores. The chemical composition of sporopollenin is responsive to levels of ultraviolet (UV) radiation exposure, via a concom... Read More about Pollen and spores as a passive monitor of ultraviolet radiation.