Search Results - "Johnson, Anna L"

Consequences of invasion for pollen transfer and pollination revealed in a tropical island ecosystem by Johnson, Anna L., Ashman, Tia‐Lynn

“…Pollination is known to be sensitive to environmental change but we lack direct estimates of how quantity and quality of pollen transferred between plant…”
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Land use history and seed dispersal drive divergent plant community assembly patterns in urban vacant lots by Johnson, Anna L., Borowy, Dorothy, Swan, Christopher M.

“…1. Despite high levels of disturbance and habitat modification, urban ecosystems still host substantial levels of biodiversity. The processes that maintain…”
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Considering the unintentional consequences of pollinator gardens for urban native plants: is the road to extinction paved with good intentions? by Johnson, Anna L., Fetters, Andrea M., Ashman, Tia‐Lynn

“…Summary Urban centers are important foci for plant biodiversity and yet widespread planting of wildflower gardens in cities to sustain pollinator biodiversity…”
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Comparative Mapping Reveals Autosomal Origin of Sex Chromosome in Octoploid Fragaria virginiana by Spigler, Rachel B, Lewers, Kim S, Johnson, Anna L, Ashman, Tia-Lynn

“…Recent evolution of separate sexes in flowering plants provides unparalleled opportunities for understanding the early stages of sex chromosome evolution,…”
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Increased diversity of the species pool via seeding augments establishment of native species in experimental vacant‐lot restorations by Swan, Christopher M., Borowy, Dorothy, Johnson, Anna L.

“…Question The harsh geophysical template characterized by the urban environment combined with people's choices has led ecologists to invoke environmental…”
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Pollen on Stigmas of Herbarium Specimens: A Window into the Impacts of a Century of Environmental Disturbance on Pollen Transfer by Johnson, Anna L, Rebolleda-Gómez, María, Ashman, Tia-Lynn

“…Pollination is necessary for plant reproduction but often highly susceptible to disruption, for example, by habitat fragmentation and climate change. Here, we…”
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Human legacies differentially organize functional and phylogenetic diversity of urban herbaceous plant communities at multiple spatial scales by Johnson, Anna L, Tauzer, Erica C, Swan, Christopher M, Hölzel, Norbert

“…QUESTIONS: Patterns of functional and phylogenetic homogenization of plant diversity at the scale of entire cities are well established. However, fewer studies…”
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Bioclimatic evaluation of geographical range in Fragaria (Rosaceae): consequences of variation in breeding system, ploidy and species age by Johnson, Anna L, Govindarajulu, Rajanikanth, Ashman, Tia‐Lynn

“…The evaluation of the intrinsic and extrinsic forces that determine geographical range sizes and niche breadth is key to the understanding of species…”
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The Frequency of Mediastinal Injury in Acute Posterior Sternoclavicular Dislocations: A Multicenter Study by Fournier, Matthew N., Sinclair, Mark R., Zheng, Evan T., Spiegel, David A., Johnson, Anna L., Shah, Apurva S., Riccio, Anthony I., Elliott, Marilyn E., Bae, Donald S., Sawyer, Jeffrey R.

“…BACKGROUND:Acute posterior sternoclavicular dislocations (APSCD) are rare injuries that historically have prompted concern for injury to the great vessels and…”
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Bioclimatic evaluation of geographical range in Fragaria (Rosaceae): consequences of variation in breeding system, ploidy and species age: Bioclimatic Evaluation of Range in Fragaria by Johnson, Anna L., Govindarajulu, Rajanikanth, Ashman, Tia-Lynn

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Knowledge Surrounding Citrin Deficiency, a Unique Urea Cycle Disorder: An International Survey Among Physicians by Johnson, Anna L

“…Citrin Deficiency is a Urea Cycle Disorder that affects citrin, a mitochondrial aspartate/glutamate carrier. Citrin Deficiency is managed in a very different…”
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Agricultural labor in Midwestern United States specialty cropping systems by Johnson, Anna L

“…Midwest specialty crop production is highly dependent on its workers, many of whom are immigrants. Growers are contending with changes in the composition and…”
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The ecology of urban vacant lands: Human-mediated local versus regional control on plant community assembly by Johnson, Anna L

“…While urban ecosystems can host surprisingly high levels of biodiversity, there are still many shifts in the characteristics of the biotic communities found in…”
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Math Attitudes and Interests of Adult Science Café Participants by Johnson, Anna L

“…Negative attitudes toward math, characterized in part by dislike of, disinterest in, and low self-confidence in math, are so pervasive in the United States as…”
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The Success of SNAP (Food Stamps) and the Desirability of Taxing Food by Johnson, Anna L., Sheffrin, Steven M.

“…Most states either totally or partially exclude food at home from the general sales tax. This exclusion generates a debate between tax policy analysts with…”
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