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Articles 1 - 4 of 4
Full-Text Articles in Ecology and Evolutionary Biology
Extreme Morphology, Functional Trade-Offs, And Evolutionary Dynamics In A Clade Of Open-Ocean Fishes (Perciformes: Bramidae), Michelle C. Gilbert, Andrew J. Conith, Catherine S. Lerose, Joshua K. Moyer, Steve H. Huskey, R. Craig Albertson
Extreme Morphology, Functional Trade-Offs, And Evolutionary Dynamics In A Clade Of Open-Ocean Fishes (Perciformes: Bramidae), Michelle C. Gilbert, Andrew J. Conith, Catherine S. Lerose, Joshua K. Moyer, Steve H. Huskey, R. Craig Albertson
Biology Department Faculty Publication Series
Synopsis When novel or extreme morphologies arise, they are oft met with the burden of functional trade-offs in other aspects of anatomy, which may limit phenotypic diversification and make particular adaptive peaks inaccessible. Bramids (Perciformes: Bramidae) comprise a small family of 20 extant species of fishes, which are distributed throughout pelagic waters worldwide. Within the Bramidae, the fanfishes (Pteraclis and Pterycombus) differ morphologically from the generally stout, laterally compressed species that typify the family. Instead, Pteraclis and Pterycombus exhibit extreme anterior positioning of the dorsal fin onto the craniofacial skeleton. Consequently, they possess fin and skull anatomies that are radically …
Larger Workers Outperform Smaller Workers Across Resource Environments: An Evaluation Of Demographic Data Using Functional Linear Models, Natalie Z. Kerr, Rosemary L. Malfi, Neal M. Williams, Elizabeth E. Crone
Larger Workers Outperform Smaller Workers Across Resource Environments: An Evaluation Of Demographic Data Using Functional Linear Models, Natalie Z. Kerr, Rosemary L. Malfi, Neal M. Williams, Elizabeth E. Crone
Biology Department Faculty Publication Series
Behavior and organization of social groups is thought to be vital to the functioning of societies, yet the contributions of various roles within social groups toward population growth and dynamics have been difficult to quantify. A common approach to quantifying these role-based contributions is evaluating the number of individuals conducting certain roles, which ignores how behavior might scale up to effects at the population-level. Manipulative experiments are another common approach to determine population-level effects, but they often ignore potential feedbacks associated with these various roles. Here, we evaluate the effects of worker size distribution in bumblebee colonies on worker production …
The Costs And Benefits Of Sunflower Pollen Diet On Bumble Bee Colony Disease And Health, Jonathan J. Giacomini, Sara J. Connon, Daniel Marulanda, Lynn S. Adler, Rebecca E. Irwin
The Costs And Benefits Of Sunflower Pollen Diet On Bumble Bee Colony Disease And Health, Jonathan J. Giacomini, Sara J. Connon, Daniel Marulanda, Lynn S. Adler, Rebecca E. Irwin
Biology Department Faculty Publication Series
Pathogen transmission between domesticated and wild host species has important implications for community ecology, agriculture, and wildlife conservation. Bumble bees provide valuable pollination services that are vital for both wildflowers and agricultural production. Intense concerns about pathogen spillover from commercial bumble bees to wild bee populations, and the potential harmful effects of pathogen spillback to commercial bees, has stimulated a need for practical strategies that effectively manage bumble bee infectious diseases. Here, we assessed the costs and benefits of a medicinal sunflower pollen diet (Helianthus annuus) on whole-colony bumble bee disease and performance using commercial colonies of the common eastern …
Sex-Biased Oviposition By A Nursery Pollinator On A Gynodioecious Host Plant: Implications For Breeding System Evolution And Evolution Of Mutualism, Laura A. D. Doubleday, Lynn S. Adler
Sex-Biased Oviposition By A Nursery Pollinator On A Gynodioecious Host Plant: Implications For Breeding System Evolution And Evolution Of Mutualism, Laura A. D. Doubleday, Lynn S. Adler
Biology Department Faculty Publication Series
Dioecy, a breeding system where individual plants are exclusively male or female, has evolved repeatedly. Extensive theory describes when dioecy should arise from hermaphroditism, frequently through gynodioecy, where females and hermaphrodites coexist, and when gynodioecy should be stable. Both pollinators and herbivores often prefer the pollen-bearing sex, with sex-specific fitness effects that can affect breeding system evolution. Nursery pollination, where adult insects pollinate flowers but their larvae feed on plant reproductive tissues, is a model for understanding mutualism evolution but could also yield insights into plant breeding system evolution. We studied a recently established nursery pollination interaction between native Hadena …