Christopher P. Krieg
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View article: A unified framework to investigate and interpret hybrid and allopolyploid biodiversity across biological scales
A unified framework to investigate and interpret hybrid and allopolyploid biodiversity across biological scales Open
Premise Hybridization and polyploidization are common in vascular plants and important drivers of biodiversity by facilitating speciation and ecological diversification. A primary limitation to making broad synthetic discoveries in hybrid …
View article: From theory to practice: New innovations and their application in conservation biology
From theory to practice: New innovations and their application in conservation biology Open
Evolution has generated an extraordinary diversity of life on Earth that drives the function of natural ecosystems (Xu et al., 2020), human cultures (Clark et al., 2014), and economies (Hanley and Perrings, 2019; Paul et al., 2020). Plants…
View article: Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum)
Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum) Open
View article: Chromosomal evolution, environmental heterogeneity, and migration drive spatial patterns of species richness in <i>Calochortus</i> (Liliaceae)
Chromosomal evolution, environmental heterogeneity, and migration drive spatial patterns of species richness in <i>Calochortus</i> (Liliaceae) Open
We used nuclear genomic data and statistical models to evaluate the ecological and evolutionary processes shaping spatial variation in species richness in Calochortus (Liliaceae, 74 spp.). Calochortus occupies diverse habitats in the weste…
View article: Data - Krieg et al. Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum)
Data - Krieg et al. Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum) Open
Data used in analyses and code to produce figures.
View article: Data - Krieg et al. Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum)
Data - Krieg et al. Greater ecophysiological stress tolerance in the core environment than in extreme environments of wild chickpea (Cicer reticulatum) Open
Data used in analyses and code to produce figures.
View article: Krieg et al. (2024) Fern gametophytes exhibit distinct patterns of niche exploration and global convergence in ecophysiological functioning
Krieg et al. (2024) Fern gametophytes exhibit distinct patterns of niche exploration and global convergence in ecophysiological functioning Open
View article: Krieg et al. (2024) Fern gametophytes exhibit distinct patterns of niche exploration and global convergence in ecophysiological functioning
Krieg et al. (2024) Fern gametophytes exhibit distinct patterns of niche exploration and global convergence in ecophysiological functioning Open
View article: Ecophysiological adaptations shape distributions of closely related trees along a climatic moisture gradient
Ecophysiological adaptations shape distributions of closely related trees along a climatic moisture gradient Open
Tradeoffs between the energetic benefits and costs of traits can shape species and trait distributions along environmental gradients. Here we test predictions based on such tradeoffs using survival, growth, and 50 photosynthetic, hydraulic…
View article: Functional traits and trait coordination change over the life of a leaf in a tropical fern species
Functional traits and trait coordination change over the life of a leaf in a tropical fern species Open
Premise Plant ecological strategies are often defined by the integration of underlying traits related to resource acquisition, allocation, and growth. Correlations between key traits across diverse plants suggest that variation in plant ec…
View article: Data - Krieg et al. Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species
Data - Krieg et al. Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species Open
Summary of the data set used in Krieg et al. (2023) Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species. Conservation Physiology.
View article: Data - Krieg et al. Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species
Data - Krieg et al. Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species Open
Summary of the data set used in Krieg et al. (2023) Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species. Conservation Physiology.
View article: Data - Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB.
Data - Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB. Open
Summary of the data set used in Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB.
View article: Data - Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB.
Data - Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB. Open
Summary of the data set used in Krieg et al. (2023) Functional Traits and Trait Co-ordination Change Over the Life of a Leaf in a Tropical Fern Species. AJB.
View article: Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species
Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species Open
Cycadales is highly endangered and one of the oldest dioecious gymnosperm lineages, making their reproductive biology highly relevant to conservation efforts and our understanding of the impact of dioecy, yet cycad reproductive ecophysiolo…
View article: At least it is a dry cold: the global distribution of freeze–thaw and drought stress and the traits that may impart poly-tolerance in conifers
At least it is a dry cold: the global distribution of freeze–thaw and drought stress and the traits that may impart poly-tolerance in conifers Open
Conifers inhabit some of the most challenging landscapes where multiple abiotic stressors (e.g., aridity, freezing temperatures) often co-occur. Physiological tolerance to multiple stressors (‘poly-tolerance’) is thought to be rare because…
View article: The ecology and physiology of fern gametophytes: A methodological synthesis
The ecology and physiology of fern gametophytes: A methodological synthesis Open
All green plants alternate between the gametophyte and sporophyte life stages, but only seed‐free vascular plants (ferns and lycophytes) have independent, free‐living gametophytes. Fern and lycophyte gametophytes are significantly reduced …
View article: The Impact of Domestication on Aboveground and Belowground Trait Responses to Nitrogen Fertilization in Wild and Cultivated Genotypes of Chickpea (Cicer sp.)
The Impact of Domestication on Aboveground and Belowground Trait Responses to Nitrogen Fertilization in Wild and Cultivated Genotypes of Chickpea (Cicer sp.) Open
Despite the importance of crop responses to low fertility conditions, few studies have examined the extent to which domestication may have limited crop responses to low-fertility environments in aboveground and belowground traits. Moreover…
View article: Global-level population genomics reveals differential effects of geography and phylogeny on horizontal gene transfer in soil bacteria
Global-level population genomics reveals differential effects of geography and phylogeny on horizontal gene transfer in soil bacteria Open
Although microorganisms are known to dominate Earth’s biospheres and drive biogeochemical cycling, little is known about the geographic distributions of microbial populations or the environmental factors that pattern those distributions. W…
View article: A new protocol for psychrometric pressure–volume curves of fern gametophytes
A new protocol for psychrometric pressure–volume curves of fern gametophytes Open
Premise Pressure – volume curves are a widely used analytical framework to derive several key physiological traits related to plant–water relations, including a species’ turgor loss point, osmotic potential at full turgor, and the elastici…
View article: Nitrogen Fixation: Fixing the Gap between Concept- & Evidence-Based Learning with Legume Biology
Nitrogen Fixation: Fixing the Gap between Concept- & Evidence-Based Learning with Legume Biology Open
Students often struggle to connect concepts with evidence, sometimes because development of research skills has not been emphasized in their science courses. We developed a strategy and protocol to train high school students in research an…
View article: Sex-specific differences in functional traits and resource acquisition in five cycad species
Sex-specific differences in functional traits and resource acquisition in five cycad species Open
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View article: Ecology and genomics of an important crop wild relative as a prelude to agricultural innovation
Ecology and genomics of an important crop wild relative as a prelude to agricultural innovation Open
View article: Sex-specific differences in functional traits and resource acquisition in five cycad species
Sex-specific differences in functional traits and resource acquisition in five cycad species Open
Selective pressures acting on plant life histories can drive extreme specialization. One example of such specialization is the evolution of dioecious breeding systems. Evolutionary and ecological theory posits that dioecy may subject male …