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Chantal D. Reid

Emerita Assistant Professor of the Practice in the Division of Environmental Sciences and Policy
Environmental Sciences and Policy
Box 90328, Durham, NC 27708-0328
4102 Grainger Hall, 9 Circuit Drive, Durham, NC 27708

Selected Publications


Using TAPE to assess agroecology on women-led farms in the U.S.: Support for environmental and social practices

Journal Article Journal of Agriculture, Food Systems, and Community Development · September 1, 2023 Agriculture models predicated upon producing monocultures for export have proven unsustainable. In response, the Food and Agriculture Organization of the United Nations (FAO) has called for nations to produce food agroecologically in alignment with natural ... Full text Cite

Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients.

Journal Article Nature plants · July 2023 The benefits of masting (volatile, quasi-synchronous seed production at lagged intervals) include satiation of seed predators, but these benefits come with a cost to mutualist pollen and seed dispersers. If the evolution of masting represents a balance bet ... Full text Cite

Linking seed size and number to trait syndromes in trees

Journal Article Global Ecology and Biogeography · May 1, 2023 Aim: Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent ... Full text Cite

Globally, tree fecundity exceeds productivity gradients.

Journal Article Ecology letters · June 2022 Lack of tree fecundity data across climatic gradients precludes the analysis of how seed supply contributes to global variation in forest regeneration and biotic interactions responsible for biodiversity. A global synthesis of raw seedproduction data shows ... Full text Cite

Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery.

Journal Article Nature communications · May 2022 The relationships that control seed production in trees are fundamental to understanding the evolution of forest species and their capacity to recover from increasing losses to drought, fire, and harvest. A synthesis of fecundity data from 714 species worl ... Full text Cite

North American tree migration paced by climate in the West, lagging in the East.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · January 2022 Tree fecundity and recruitment have not yet been quantified at scales needed to anticipate biogeographic shifts in response to climate change. By separating their responses, this study shows coherence across species and communities, offering the strongest ... Full text Cite

Is there tree senescence? The fecundity evidence.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · August 2021 Despite its importance for forest regeneration, food webs, and human economies, changes in tree fecundity with tree size and age remain largely unknown. The allometric increase with tree diameter assumed in ecological models would substantially overestimat ... Full text Cite

Continent-wide tree fecundity driven by indirect climate effects.

Journal Article Nature communications · February 2021 Indirect climate effects on tree fecundity that come through variation in size and growth (climate-condition interactions) are not currently part of models used to predict future forests. Trends in species abundances predicted from meta-analyses and specie ... Full text Cite

Deforestation risks posed by oil palm expansion in the Peruvian Amazon

Journal Article Environmental Research Letters · November 1, 2018 Further expansion of agriculture in the tropics is likely to accelerate the loss of biodiversity. One crop of concern to conservation is African oil palm (Elaeis guineensis). We examined recent deforestation associated with oil palm in the Peruvian Amazon ... Full text Open Access Cite

Atractiella rhizophila, sp. nov., an endorrhizal fungus isolated from the Populus root microbiome.

Journal Article Mycologia · January 2017 Among fungi isolated from healthy root mycobiomes of Populus, we discovered a new endorrhizal fungal species belonging to the rust lineage Pucciniomycotina, described here as Atractiella rhizophila. We characterized this species by transmission electron mi ... Full text Cite

Nuclear physics detector technology applied to plant biology research

Journal Article Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment · January 1, 2013 The ability to detect the emissions of radioactive isotopes through radioactive decay (e.g. beta particles, x-rays and gamma-rays) has been used for over 80 years as a tracer method for studying natural phenomena. More recently a positron emitting radioiso ... Full text Cite

A radioisotope based methodology for plant-fungal interactions in the rhizosphere

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2013 In plant ecophysiology research there is interest in studying the biology of the rhizosphere because of its importance in plant nutrient-interactions. The rhizosphere is the zone of soil surrounding a plant's root system where microbes (such as fungi) are ... Full text Cite

Imaging corn plants with PhytoPET, a modular PET system for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2013 PhytoPET is a modular positron emission tomography (PET) system designed specifically for plant imaging. The PhytoPET design allows flexible arrangements of PET detectors based on individual standalone detector modules built from single Hamamatsu H8500 pos ... Full text Cite

Ethernet-based flash ADC for a plant PET detector system

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2012 We have developed a flash analog to digital (ADC) based read out system to be used for a Positron Emission Tomography (PET) system. The custom designed 16 channel 12-bit Ethernet-based flash ADC (EFADC-16) unit operates at 250 MHz/s/channel utilizing a gig ... Full text Cite

PhytoPET: Design and initial results of modular PET for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2012 We have developed a positron emission tomography (PET) system designed specifically for plant imaging in Phytotron at Duke University. Initial evaluation of a PhytoPET system to image the biodistribution of the positron emitting tracer 11C in live plants i ... Full text Cite

PhytoBeta imager: a positron imager for plant biology.

Journal Article Physics in Medicine and Biology · 2012 Link to item Cite

Nuclear physics detector technology applied to plant biology research

Journal Article Nuclear Instruments and Methods in Physics Research A · 2012 Link to item Cite

Development of PhytoPET: A plant imaging PET system

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2011 The development and initial evaluation of a high-resolution positron emission tomography (PET) system to image the biodistribution of positron emitting tracers in live plants is underway. The positron emitting 11CO2 tracer is used in plant biology research ... Full text Cite

Using TAPE to assess agroecology on women-led farms in the U.S.: Support for environmental and social practices

Journal Article Journal of Agriculture, Food Systems, and Community Development · September 1, 2023 Agriculture models predicated upon producing monocultures for export have proven unsustainable. In response, the Food and Agriculture Organization of the United Nations (FAO) has called for nations to produce food agroecologically in alignment with natural ... Full text Cite

Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients.

Journal Article Nature plants · July 2023 The benefits of masting (volatile, quasi-synchronous seed production at lagged intervals) include satiation of seed predators, but these benefits come with a cost to mutualist pollen and seed dispersers. If the evolution of masting represents a balance bet ... Full text Cite

Linking seed size and number to trait syndromes in trees

Journal Article Global Ecology and Biogeography · May 1, 2023 Aim: Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent ... Full text Cite

Globally, tree fecundity exceeds productivity gradients.

Journal Article Ecology letters · June 2022 Lack of tree fecundity data across climatic gradients precludes the analysis of how seed supply contributes to global variation in forest regeneration and biotic interactions responsible for biodiversity. A global synthesis of raw seedproduction data shows ... Full text Cite

Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery.

Journal Article Nature communications · May 2022 The relationships that control seed production in trees are fundamental to understanding the evolution of forest species and their capacity to recover from increasing losses to drought, fire, and harvest. A synthesis of fecundity data from 714 species worl ... Full text Cite

North American tree migration paced by climate in the West, lagging in the East.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · January 2022 Tree fecundity and recruitment have not yet been quantified at scales needed to anticipate biogeographic shifts in response to climate change. By separating their responses, this study shows coherence across species and communities, offering the strongest ... Full text Cite

Is there tree senescence? The fecundity evidence.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · August 2021 Despite its importance for forest regeneration, food webs, and human economies, changes in tree fecundity with tree size and age remain largely unknown. The allometric increase with tree diameter assumed in ecological models would substantially overestimat ... Full text Cite

Continent-wide tree fecundity driven by indirect climate effects.

Journal Article Nature communications · February 2021 Indirect climate effects on tree fecundity that come through variation in size and growth (climate-condition interactions) are not currently part of models used to predict future forests. Trends in species abundances predicted from meta-analyses and specie ... Full text Cite

Deforestation risks posed by oil palm expansion in the Peruvian Amazon

Journal Article Environmental Research Letters · November 1, 2018 Further expansion of agriculture in the tropics is likely to accelerate the loss of biodiversity. One crop of concern to conservation is African oil palm (Elaeis guineensis). We examined recent deforestation associated with oil palm in the Peruvian Amazon ... Full text Open Access Cite

Atractiella rhizophila, sp. nov., an endorrhizal fungus isolated from the Populus root microbiome.

Journal Article Mycologia · January 2017 Among fungi isolated from healthy root mycobiomes of Populus, we discovered a new endorrhizal fungal species belonging to the rust lineage Pucciniomycotina, described here as Atractiella rhizophila. We characterized this species by transmission electron mi ... Full text Cite

Nuclear physics detector technology applied to plant biology research

Journal Article Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment · January 1, 2013 The ability to detect the emissions of radioactive isotopes through radioactive decay (e.g. beta particles, x-rays and gamma-rays) has been used for over 80 years as a tracer method for studying natural phenomena. More recently a positron emitting radioiso ... Full text Cite

A radioisotope based methodology for plant-fungal interactions in the rhizosphere

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2013 In plant ecophysiology research there is interest in studying the biology of the rhizosphere because of its importance in plant nutrient-interactions. The rhizosphere is the zone of soil surrounding a plant's root system where microbes (such as fungi) are ... Full text Cite

Imaging corn plants with PhytoPET, a modular PET system for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2013 PhytoPET is a modular positron emission tomography (PET) system designed specifically for plant imaging. The PhytoPET design allows flexible arrangements of PET detectors based on individual standalone detector modules built from single Hamamatsu H8500 pos ... Full text Cite

Ethernet-based flash ADC for a plant PET detector system

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2012 We have developed a flash analog to digital (ADC) based read out system to be used for a Positron Emission Tomography (PET) system. The custom designed 16 channel 12-bit Ethernet-based flash ADC (EFADC-16) unit operates at 250 MHz/s/channel utilizing a gig ... Full text Cite

PhytoPET: Design and initial results of modular PET for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2012 We have developed a positron emission tomography (PET) system designed specifically for plant imaging in Phytotron at Duke University. Initial evaluation of a PhytoPET system to image the biodistribution of the positron emitting tracer 11C in live plants i ... Full text Cite

PhytoBeta imager: a positron imager for plant biology.

Journal Article Physics in Medicine and Biology · 2012 Link to item Cite

Nuclear physics detector technology applied to plant biology research

Journal Article Nuclear Instruments and Methods in Physics Research A · 2012 Link to item Cite

Development of PhytoPET: A plant imaging PET system

Journal Article IEEE Nuclear Science Symposium Conference Record · January 1, 2011 The development and initial evaluation of a high-resolution positron emission tomography (PET) system to image the biodistribution of positron emitting tracers in live plants is underway. The positron emitting 11CO2 tracer is used in plant biology research ... Full text Cite

Compact beta particle/positron imager for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2010 The 11 CO2 tracer is used to facilitate plant biology research towards optimization of plant productivity, biofuel development and carbon sequestration in biomass. Positron emission tomography (PET) imaging has been used to study carbon transport in live p ... Full text Cite

Positron emission tomography detector development for plant biology

Journal Article IEEE Nuclear Science Symposium Conference Record · December 1, 2009 There are opportunities for the development of new tools to advance plant biology research through the use of radionuclides. Thomas Jefferson National Accelerator Facility, Duke University, West Virginia University and the University of Maryland are collab ... Full text Cite

Exploring the transport of plant metabolites using positron emitting radiotracers.

Journal Article HFSP journal · August 2008 Short-lived positron-emitting radiotracer techniques provide time-dependent data that are critical for developing models of metabolite transport and resource distribution in plants and their microenvironments. Until recently these techniques were applied t ... Full text Cite

Ozone and density affect the response of biomass and seed yield to elevated CO2 in rice

Journal Article Global Change Biology · January 1, 2008 Tropospheric O3 reduces growth and yield of many crop species, whereas CO2 ameliorates the negative effects of O3. Thus, in a combined elevated CO2 and O3 atmosphere, seed yield is at least restored to that of charcoal-filtered (CF) air at ambient CO2. The ... Full text Cite

Optimizing the statistical estimation of the parameters of the Farquhar-von Caemmerer-Berry model of photosynthesis.

Journal Article The New phytologist · January 2007 The model of Farquhar, von Caemmerer and Berry is the standard in relating photosynthetic carbon assimilation and concentration of intercellular CO(2). The techniques used in collecting the data from which its parameters are estimated have been the object ... Full text Cite

Elevated CO2 reduces disease incidence and severity of a red maple fungal pathogen via changes in host physiology and leaf chemistry

Journal Article Global Change Biology · October 1, 2005 Atmospheric CO2 concentrations are predicted to double within the next century. Despite this trend, the extent and mechanisms through which elevated CO2 affects plant diseases remain uncertain. In this study, we assessed how elevated CO2 affects a foliar f ... Full text Cite

On the relationship between stomatal characters and atmospheric CO2.

Journal Article Geophysical Research Letters · 2003 Cite

On the relationship between stomatal characters and atmospheric CO2

Journal Article Geophysical Research Letters · 2003 Leaf stomatal characters influence the response of terrestrial evapotranspiration to climate change and are used as proxies for the reconstruction of past atmospheric [CO2]. We examined the phenotypic response of stomatal index (SI), density (SD) and apert ... Cite

Stomatal acclimation over a subambient to elevated CO2 gradient in a C3/C4 grassland

Journal Article Plant, Cell and Environment · April 20, 2002 An investigation to determine whether stomatal acclimation to [CO2] occurred in C3/C4 grassland plants grown across a range of [CO2] (200-550 μmol mol-1) in the field was carried out. Acclimation was assessed by measuring the response of stomatal conductan ... Full text Cite

The impact of ozone and other limitations on the crop productivity response to CO2

Journal Article Technology · January 1, 2002 Numerous studies indicate that increasing atmospheric CO2 concentrations might enhance the productivity of current cropping systems. However, it appears that this productivity benefit may, in some cases, be the result of amelioration of the effects of co-o ... Cite

Effects of chronic ozone and elevated atmospheric CO2 concentrations on ribulose-1,5-bisphosphate in soybean (Glycine max)

Journal Article Physiologia Plantarum · August 1, 1999 Ribulose-1,5-bisphosphate (RuBP) pool size was determined at regular intervals during the growing season to understand the effects of tropospheric ozone concentrations, elevated atmospheric carbon dioxide concentrations and their interactions on the photos ... Full text Cite

Combined effects of chronic ozone and elevated CO2 on Rubisco activity and leaf components in soybean (Glycine max)

Journal Article Journal of Experimental Botany · January 1, 1998 Content and activity of Rubisco and concentrations of leaf nitrogen, chlorophyll and total non-structural carbohydrates (TNC) were determined at regular intervals during the 1993 and 1994 growing seasons to understand the effects and interactions of [O3] a ... Full text Cite

Effects of elevated [CO2] and/or ozone on limitations to CO2 assimilation in soybean (Glycine max)

Journal Article Journal of Experimental Botany · January 1, 1998 Soybean (Glycine max) was grown in open-top field chambers at ambient (360 μmol mol-1) or doubled [CO2] either in charcoal-filtered air (20 nmol mol-1 [O3]) or in non-filtered air supplemented to 1.5x ambient [O3] (70 nmol mol-1) to determine the major lim ... Full text Cite

Elevated CO2 reduces O3 flux and O3-induced yield losses in soybeans: Possible implications for elevated CO2 studies

Journal Article Journal of Experimental Botany · January 1, 1997 Soybeans were grown for three seasons in open-top field chambers to determine (1) whether elevated CO2 (360 versus 700 μmol mol-1) alleviates some of the yield loss due to pollutant O3, (2) whether the partial stomatal closure resulting from chronic O3 exp ... Full text Cite

Photosynthesis and photorespiration in soybean [Glycine max (L.) Merr.] chronically exposed to elevated carbon dioxide and ozone

Journal Article Journal of Experimental Botany · January 1, 1997 The effects of elevated carbon dioxide (CO2) and ozone (O3) on soybean [Glycine max (L.) Merr.] photosynthesis and photorespiration-related parameters were determined periodically during the growing season by measurements of gas exchange, photorespiratory ... Full text Cite

Elevated CO2 reduces O3 flux and O3-induced yield losses in soybeans: Possible implications for elevated CO2 studies

Journal Article Journal of Experimental Botany · 1997 Soybeans were grown for three seasons in open-top field chambers to determine (1) whether elevated CO2 (360 versus 700 μmol mol-1) alleviates some of the yield loss due to pollutant O3, (2) whether the partial stomatal closure resulting from chronic O3 exp ... Cite

Comparison of spectrophotometric and radioisotopic methods for the assay of Rubisco in ozone-treated plants

Journal Article Physiologia Plantarum · January 1, 1997 Radioisotopic and spectrophotometric assays for ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) initial and final activities and Rubisco content were compared in plants chronically exposed to ozone (O3) in a greenhouse and the field. In a greenho ... Full text Cite

Response of soybean leaf water relations to tropospheric ozone

Journal Article Canadian Journal of Botany · January 1, 1995 Full text Cite

Effects of CO2 enrichment on whole-plant carbon budget of seedlings of Fagus grandifolia and Acer saccharum in low irradiance.

Journal Article Oecologia · June 1994 Carbon exchange rates (CER) and whole-plant carbon balances of beech (Fagus grandifolia) and sugar maple (Acer saccharum) were compared for seedlings grown under low irradiance to determine the effects of atmospheric CO2 enrichment on shade-tole ... Full text Cite

Long-term kinetics of the light-dependent regulation of ribulose-1,5-bisphosphate carboxylase/oxygenase activity in plants with and without 2-carboxyarabinitol 1-phosphate

Journal Article Planta · August 1, 1993 The light-dependent modulation of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activity was studied in two species: Phaseolus vulgaris L., which has high levels of the inhibitor of Rubisco activity, carboxyarabinitol 1-phosphate (CA1P), in the ... Full text Cite

Growth and maintenance components of leaf respiration of cotton grown in elevated carbon dioxide partial pressure

Journal Article Plant, Cell & Environment · January 1, 1993 Elevated atmospheric carbon dioxide partial pressures have been shown to have variable direct and indirect effects on plant respiration rates. In this study, growth, leaf respiration, and leaf nitrogen and carbohydrate partitioning were measured in Gossypi ... Full text Cite

Water relations of two chaparral shrubs along a fire-induced age gradient in southern california

Journal Article Bulletin de la Societe Botanique de France. Actualites Botaniques · January 1, 1984 Full text Cite

Photosynthesis and biomass of chaparral shrubs along a fire-induced age gradient in southern california

Journal Article Bulletin de la Societe Botanique de France. Actualites Botaniques · January 1, 1984 Photosynthetic rates were measured in Ceanothusgreggii Gray and Adenostoma fasciculatum H and A to determine change in productivity along a fire- induced age gradient in southern California. In general C. greggii had higher rates of CO2 uptake than did A. ... Full text Cite