Plant-Insect Interactions and Trophic Level Responses
studies how plants and insects interact with each other across different elevations and environmental conditions, helping us understand how climate change affects these crucial ecological relationships.
Concept (19) →
neighborhood effects
The influence of surrounding plant species composition and density on individual plant fitness and associated herbivore behavior
mutualistic relationships
Mutually beneficial herbivore-predator associations where sap-feeding insects provide honeydew food for ants in exchange for protection against predat...
macroinvertebrate community composition
The species assemblage and relative abundances of aquatic invertebrates in a habitat, used as indicators of ecosystem condition and habitat quality
food web structure
The network of feeding relationships among organisms in an ecosystem
facilitative interactions
Positive species interactions such as nurse plant effects by cushion-forming species that increase reproductive success for neighboring plants
correlation coefficient
maternal care
Parental behaviors including female-pup interactions, vigilance, and antipredator behaviors that influence offspring survival and development
social caste system
Division of labor in social insects with distinct morphological and behavioral castes including queens, workers, and males
chemical communication
Communication through chemical signals that mediate various aspects of social activities in insects, especially regulation of reproduction
sexual dimorphism
Differences between males and females in morphology, physiology, and/or behaviour resulting from differences in strength and shape of selection acting...
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stable isotope analysis
Analysis of carbon and nitrogen isotope ratios to determine trophic position and dietary composition
colony establishment
Initial colonization phase when winged aphids establish new colonies on host plants
reduced chi-squared statistic
female fitness
project ownership
networking
Professional development
time management
utility value
Protocol (11) →
Experimental predator manipulation with colony establishment
Controlled experiment manipulating predator presence by establishing artificial aphid colonies, protecting them from natural predators, then adding ly...
pitfall trapping (Formicidae)
Standardized 2-hour baiting experiments using 5 different resource types arranged in pentagonal plots to sample ant communities and assess dominance p...
Grasshopper feeding bioassay for plant defense
Choice feeding trials where individual grasshoppers are offered leaves from different plant treatments to measure relative herbivory rates. Herbivory ...
Long-term nitrogen manipulation experiment with plant community monitoring
A controlled field experiment testing the effects of nitrogen addition and reduction on plant community composition over 8 years. Annual percent cover...
Ant exclusion experiment on aphid colonies
Experimental manipulation using physical barriers to exclude ants from aphid colonies while maintaining control colonies with ant access. Uses paired ...
Cariveau allometric conversion (Apidae)
Field capture of wild bumblebees followed by temporary immobilization through cold-induced chill coma to enable precise measurement of tongue length a...
Liguisticum porteri weekly census monitoring (Animalia)
Systematic weekly monitoring of plant phenology, insect abundance, and herbivore impacts on Osha plants along established transects. Includes detailed...
Duchateau and Velthuis ovarian classification (Halictidae)
Collection of female halictid bees at nest sites using nets or vacuum devices, with individual storage and cryopreservation for chemical analysis. Inc...
Burying beetle habitat reproduction experiment (Silphidae)
Field experiment comparing reproductive success of burying beetle species across habitat types using breeding pairs, mouse carcasses, and environmenta...
pitfall trapping (Silphidae)
Standardized metal can pitfall traps baited with chicken drumsticks, deployed along elevation gradients to monitor burying beetle abundance and specie...
Author (17) →
Publication (71) →
Vegetation and environmental patterns in the Crested Butte area, Gunnison County, Colorado
The effects of climate change and biodiversity loss on mutualisms
Sex-specific responses to climate change in plants alter population sex ratios and performance.
Progressive sensitivity of trophic levels to warming underlies an elevational gradient in ant–aphid mutualism strength
Elevational cline in herbivore abundance driven by a monotonic increase in trophic level sensitivity to aridity
Early snowmelt reduces aphid abundance <i>Aphis asclepiadis</i> by creating water stressed host plants <i>Ligusticum porteri</i> and altering interactions with ants
Influence of macronutrient imbalance on native ant foraging and interspecific interactions in the field
Host plant phenology shapes aphid abundance and interactions with ants
“How Do We Do This at a Distance?!” A Descriptive Study of Remote Undergraduate Research Programs during COVID-19
Virtually the Same? Evaluating the Effectiveness of Remote Undergraduate Research Experiences
Show 61 more publications
The Evolution and Ecology of Interactions Between Ants and Honeydew-Producing Hemipteran Insects
Mechanisms underlying plant sexual dimorphism in multi-trophic arthropod communities
Bottom-up mediation of an ant-membracid mutualism: effects from different host plants
Insect herbivore stoichiometry: the relative importance of host plants and ant mutualists
Decomposing an elevational gradient in predation by insectivorous birds
Are ants botanists? Ant associative learning of plant chemicals mediates foraging for carbohydrates
Short-term, low-level nitrogen deposition dampens a trophic cascade between bears and plants
Different aspects of dominance are not equivalent when testing for trade-offs in ant communities
Testing trade-offs and the dominance–impoverishment rule among ant communities
Assessing the quality of different ant species as partners of a myrmecophilous butterfly
Ant-aphid interactions: are ants friends, enemies, or both?
Plant chemical mediation of ant behavior
Effect of larval body size on overwinter survival and emerging adult size in the burying beetle, <i>Nicrophorus investigator</i>
Plant sex and induced responses independently influence herbivore performance, natural enemies and aphid-tending ants
A multispecies aphid-ant association: density dependence and species-specific effects
Phylogenetic distance can predict susceptibility to attack by natural enemies
Niche relationships among species of aphids feeding on fireweed
Intra- and interspecific competition for mutalists: ants as a limited and limiting resource for aphids
Reproductive tactics of pikas: why have two litters?
Responses of pikas (Ochotona princeps, Lagomorpha) to naturally occurring terrestrial predators
Responses of subalpine meadow vegetation to four years of experimental warming
Resource availability and population dynamics of <i>Nicrophorus investigator</i>, an obligate carrion breeder
The relative importance of spatial vs. temporal variability in generating a conditional mutalism
The relationship between the distribution of worker sizes and new worker production in the ant Formica neorufibarbis
Temporal separation between philopatric juvenile pikas and their parents limits behavioural conflict
New age constraints on the Late Cretaceous lower Williams Fork Formation, Coal Canyon, Colorado
Spatial relationships and social organization in adult pikas: a facultatively monogamous mammal
Nitrogen and carbon flow from rock to water: Regulation through soil biogeochemical processes, Mokelumne River watershed, California, and Grand Valley, Colorado
The relationship between ant-tending and maternal care in the treehopper Publilia modesta
Parasitoids as selective agents in the symbiosis between lycaenid butterfly larvae and ants
Chemical Variation among Castes, Female Life Stages and Populations of the Facultative Eusocial Sweat Bee <i> Halictus rubicundus </i> (Hymenoptera: Halictidae)
Chemical Variation among Castes, Female Life Stages and Populations of the Facultative Eusocial Sweat Bee <i> Halictus rubicundus </i> (Hymenoptera: Halictidae)
Competition for mutualists: aphids and ants
Analysis and modeling of intermediate-scale reservoir heterogeneity based on a fluvial point-bar outcrop analog, Williams Fork Formation, Piceance Basin, Colorado
The selective advantage of attendant ants for the larvae of a lycanaenid butterfly, Glaucopsyche lygdamus
Colonization in a pika population: dispersal vs. philopatry
Spatial segregation of the sexes of dioecious plants
THE PERSISTENCE OF QUAKING ASPEN (POPULUS TREMULOIDES) IN THE GRAND MESA AREA, COLORADO
Twenty-year change in aspen dominance in pure aspen and mixed aspen/conifer stands on the Uncompahgre Plateau, Colorado, USA
Notes on the Ecology of Weasels in Gunnison County, Colorado
The effect of ants on the population dynamics of a protective symbiont of aphids, <i>Hamiltonella defensa</i>
River incision histories of the Black Canyon of the Gunnison and Unaweep Canyon: Interplay between late Cenozoic tectonism, climate change, and drainage integration in the western Rocky Mountains
Floral dimorphism, pollination, and self-fertilization in gynodioecious <i>Geranium richardsonii</i> (Geraniaceae)
Effects of aggregation size and host plant on the survival of an ant-tended Membracid (Hemiptera: Membracidae): potential roles in selecting for generalized host plant use
A practical technique for measuring the behavior of foraging animals
Controls on selenium distribution and mobilization in an irrigated shallow groundwater system underlain by Mancos Shale, Uncompahgre River Basin, Colorado, USA
Worker demography in the ant <i>Formica neorufibarbis</i>
A modified clip cage for use with aphids and other small insects
Mobilization of selenium from the Mancos Shale and associated soils in the lower Uncompahgre River Basin, Colorado
Sandstone-body dimensions in a lower coastal-plain depositional setting: Lower Williams Fork Formation, Coal Canyon, Piceance Basin, Colorado
Ecological restoration through behavioral change
Static connectivity of fluvial sandstones in a lower coastal-plain setting: An example from the Upper Cretaceous lower Williams Fork Formation, Piceance Basin, Colorado
Assessing science training programs: Structured undergraduate research programs make a difference
Age structure of aspen forests on the Uncompahgre Plateau, Colorado
Aftermath of a stream capture: Cactus Park lake spillover and the origin of East Creek, Uncompahgre Plateau, western Colorado
Middle Jurassic Todilto Formation of northern New Mexico and southwestern Colorado: Marine or nonmarine?
Harvest rates and escape speeds in two coexisting species of montane ground squirrels
Testing the importance of the distribution of worker sizes to colony performance in the ant species Formica obscuripes Forel
Thermal evolution and exhumation history of the Uncompahgre Plateau (northeastern Colorado Plateau), based on apatite fission track and (U-Th)-He thermochronology and zircon U-Pb dating
Exploitation of lycaenid-ant mutualisms by braconid parasitoids
Characterization and 3D reservoir modelling of fluvial sandstones of the Williams Fork Formation, Rulison Field, Piceance Basin, Colorado, USA
Dataset (15) →
Data from: Progressive sensitivity of trophic levels to warming underlies an elevational gradient in ant-aphid mutualism strength
Although species interactions are often proposed to be stronger at lower latitudes and elevations, few studies have evaluated the mechanisms driving s...
Data from: Elevational cline in herbivore abundance driven by a monotonic increase in trophic level sensitivity to aridity
1. The abiotic environment drives species abundances and distributions both directly and indirectly through effects on multi-trophic species interacti...
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Crested Butte, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropo...
Plant phenology, aphid colony growth, and honeydew deposition data
Changing phenological cues can lead to trophic mismatch for plants and herbivores, and this often shifts herbivore feeding to plant stages of lower ...
Data from: Short-term, low-level nitrogen deposition dampens a trophic cascade between bears and plants
Human activities have substantially increased atmospheric nitrogen (N) deposition in ecosystems worldwide, often leading to higher plant quality for h...
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropo...
Data from: Testing trade-offs and the dominance-impoverishment rule among ant communities
Aim: Ant communities are believed to be structured by competition, with dominant species competitively excluding subordinates (the dominance-impoveris...
Decomposing an elevational gradient in predation by insectivorous birds
Insectivorous birds have ecologically important effects on prey abundance, behavior, and evolution, and through top-down control birds indirectly redu...
Arthropod abundance censused on the host plant Ligusticum porteri near Gothic, CO.
The objective of this study is to understand how climate cues affect the abundance and phenology of aphids and the arthropods with which they interact...
Data from: Variation in season length and development time is sufficient to drive the emergence and coexistence of social and solitary behavioral strategies
Season length and its associated variables can influence the expression of social behaviors, including the occurrence of eusociality in insects. Among...
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Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropo...
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropo...
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropo...
Data from: Different aspects of dominance are not equivalent when testing for trade-offs in ant communities
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Dataset for temporal influences on selenium partitioning, trophic transfer, and exposure in a major U.S. river
The trace element selenium is an essential element with a narrow window between concentrations needed to support life and those that cause toxicity to...