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Article

Interspecific pollen transfer as a mechanism of competition: effect of Castilleja linariaefolia pollen on seed set of Ipomopsis aggregata

2000Canadian Journal of Botany
Student Paper

Are leafhoppers to blame? A study of the damage in aspen clones in Gunnison County, CO

2000
Student Paper

Observing pollinator trait variation in relation to niche breadth in seasons of high and low precipitation

Interactions between plants and pollinators are complex and a change to one can cause a significant impact on the other. Environmental perturbations like drought can alter plant- pollinator systems, changing the relative abundance of flower species, shifting species distribution, and decreasing flor

2019
Student Paper

The impact of climate change on Rocky Mountain plant communities: Differences in floral trait along an elevational gradient of transplanted communities

Alpine climates are seemingly adverse environments for plants. These habitats directly impact plants via pollinator scarcity and abiotic factors like extreme temperatures and precipitation that influence resource allocation. As a result, elevational gradients are natural laboratories that can be use

2019
Student Paper

Predator and prey species have opposing responses to recreational trail use

While many ecological studies have investigated the impacts of recreation and trails on wildlife, we lack an understanding of how wildlife respond to recreational trails that exhibit seasonally dynamic levels of human activity. We used camera traps to assess changes in the presence of mammals along

2019
Student Paper

The Direct and Interactive Effects of Warming and Species Interaction on Plant Functional Traits

Global climate change is a threat that continues to affect nearly every ecosystem on the planet through warmer temperatures, changes in precipitation patterns, and many other manifestations of a warmer world. Warming directly and indirectly affects plants and ecosystem functioning. In the natural wo

2019
Article

Epibiosis of Colacium on Daphnia

1998
Student Paper

Effects of weather and floral density on foraging activity of cavity nesting bees (<i> Osmia </i>spp.)

Thermoregulation is an important factor for bee flight which ultimately contributes to an individual’s ability to forage and produce offspring. Rising temperatures could benefit insects by increasing their efficiency in reproduction and provisioning. However, warming could negatively impact floral r

2019
Student Paper

Impacts of the invasive species <i> Linaria vulgaris </i> on soil ecology and native plant biodiversity

Invasive species are a major threat to biodiversity. Invasive plant species can alter ecosystems by outcompeting natives, lowering biodiversity, and change soil ecology. Additionally, invasive species can be costly to manage. Linaria vulgaris, a non-native noxious weed from Europe and Asia, was used

2019
Student Paper

Trap behavior of <i> Zonotrichia leucophrys oriantha </i> at different elevations in the West Elk Mountains, Colorado

High-alpine ecosystems are particularly vulnerable to climate change. Thus, many ecosystem patterns are shifting due to warming temperatures, extreme weather events, and seasonal changes. This becomes an issue for birds that breed and live in high-elevation environments, as they may not be able to c

2019
Thesis

Seasonal manganese transport in the hyporheic zone of a snowmelt-dominated river (East River, Colorado)

Manganese (Mn) plays a critical role in river water quality since Mn-oxides serve as

2019
Thesis

Pollinator mediated reproductive consequences of altered co-flowering under climate change depend on abiotic context

Pollinator mediated reproductive consequences of altered co-flowering under climate change depend on abiotic context

2019
Chapter

Behavioral ecology and conservation biology

1998
Student Paper

Oviposition variation among <i>Pieris napi</i> due to increasing glucosinolate levels in cruciferous hostplants

1998
Thesis

Adaptation and diversification of bluebells <i>Mertensia</i> spp., Boranginaceae

Flowering phenology marks the transition from vegetative growth to reproduction and exposes plants to seasonally varying selective environments during flowering. Life-history trade- offs between time and size at reproduction suggest that early-flowering species should generally be smaller than late-

2019
Thesis

Floral reward strategies, visitor behavior, and plant reproductive outcomes

Many plants that bear hidden or recessed floral nectar experience nectar robbing, the removal of nectar by a floral visitor through holes pierced in the corolla. Although robbing can reduce plant reproductive success, many studies fail to find such effects. We outline three mechanistic hypotheses th

2019
Thesis

King of the hill? How biotic interactions affect biogeographical pattern and species responses to climate change

As climate has warmed, many species have moved up mountains as physiological limits to their distributions have ameliorated. These distribution shifts are creating novel communities, begging the question: What happens to species at the tops of mountains as potential antagonists encroach upwards? The

2019
Thesis

The persistent maladaptation of <i>Pieris macdunnoughii</i>: Constraints on adaptation to an evolutionary trap

Evolutionary traps arise when organisms use novel, low-quality or even lethal resources based on previously reliable cues. Persistence of such maladaptive interactions depends not only on how individuals locate important resources, such as host plants, but also the mechanisms underlying poor perform

2019
Article

Effects of experimental manipulation of inflorescence size on pollination and pre-dispersal seed predation in the hummingbird-pollinated plant <i>Ipomopsis aggregata</i>

1997Oecologia
Article

Alpine vascular flora of Buffalo Peaks, Mosquito Range, Colorado, USA

1998Madrono