Search Results - "Harris, Stephen A."

Reconciling Conflicting Phylogenies in the Origin of Sweet Potato and Dispersal to Polynesia by Muñoz-Rodríguez, Pablo, Carruthers, Tom, Wood, John R.I., Williams, Bethany R.M., Weitemier, Kevin, Kronmiller, Brent, Ellis, David, Anglin, Noelle L., Longway, Lucas, Harris, Stephen A., Rausher, Mark D., Kelly, Steven, Liston, Aaron, Scotland, Robert W.

“…The sweet potato is one of the world’s most widely consumed crops, yet its evolutionary history is poorly understood. In this paper, we present a comprehensive…”
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Radiocarbon-Based Chronology for Dynastic Egypt by Ramsey, Christopher Bronk, Dee, Michael W, Rowland, Joanne M, Higham, Thomas F.G, Harris, Stephen A, Brock, Fiona, Quiles, Anita, Wild, Eva M, Marcus, Ezra S, Shortland, Andrew J

“…The historical chronologies for dynastic Egypt are based on reign lengths inferred from written and archaeological evidence. These floating chronologies are…”
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The Circe Principle Explains How Resource-Rich Land Can Waylay Pollinators in Fragmented Landscapes by Lander, Tonya A., Bebber, Daniel P., Choy, Chris T.L., Harris, Stephen A., Boshier, David H.

“…Global declines in pollinators, associated with land-use change [1–6] and fragmentation [7–10], constitute a serious threat to crop production and biodiversity…”
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Assessing protected area effectiveness within the Caribbean under changing climate conditions: A case study of the small island, Trinidad by Maharaj, Shobha S., Asmath, Hamish, Ali, Safraz, Agard, John, Harris, Stephen A., New, Mark

“…•Approximately 63% of the small island of Trinidad was found to be under forest.•Most plantation forests for harvesting are located inside the protected areas…”
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Predicting unknown species numbers using discovery curves by Bebber, Daniel P, Marriott, Francis H.C, Gaston, Kevin J, Harris, Stephen A, Scotland, Robert W

“…A common approach to estimating the total number of extant species in a taxonomic group is to extrapolate from the temporal pattern of known species…”
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Coping with eccentricities of natural history collection data. A commentary on: ‘Comparing fruiting phenology across two historical datasets: Thoreau’s observations and herbarium specimens by Harris, Stephen A

“…This article comments on: Tara K. Miller1, Amanda S. Gallinat, Linnea C. Smith and Richard B. Primack, Comparing fruiting phenology across two historical…”
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Serendipitous backyard hybridization and the origin of crops by Hughes, Colin E, Govindarajulu, Rajanikanth, Robertson, Ashley, Filer, Denis L, Harris, Stephen A, Bailey, C. Donovan

“…Backyard gardens, dump heaps, and kitchen middens are thought to have provided important venues for early crop domestication via generation of hybrids between…”
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Sexual Systems and Population Genetic Structure in an Annual Plant: Testing the Metapopulation Model by Obbard, Darren J., Harris, Stephen A., Pannell, John R.

“…The need for reproductive assurance during dispersal, along with the pressure of local mate competition, means that the importance of frequent or repeated…”
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Rapid homoploid hybrid speciation in British gardens: The origin of Oxford ragwort (Senecio squalidus) by Nevado, Bruno, Harris, Stephen A., Beaumont, Mark A., Hiscock, Simon J.

“…Hybridisation can lead to homoploid hybrid speciation, i.e., the origin of new species without change in chromosome number between parents and offspring…”
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SIBTHORP'S FLORA GRAECA EXPEDITION AND TEACHING LINNAEAN BOTANY IN OXFORD PHYSIC GARDEN by Harris, Stephen A.

“…Summary John Sibthorp (1758–96) and Ferdinand Bauer (1760–1826) explored the eastern Mediterranean between 1786 and 1787, collecting specimens and seeds, and…”
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Fruit‐breeding drosophilids (Diptera) in the Neotropics: playing the field and specialising in generalism? by Valadão, Henrique, Proença, Carolyn E.B., Kuhlmann, Marcelo P., Harris, Stephen A., Tidon, Rosana

“…1. Species of Drosophilidae are frequently used as model organisms, but their relationships with the environment, particularly in immature stages, remain…”
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Impact of habitat loss and fragmentation on reproduction, dispersal and species persistence for an endangered Chilean tree by Lander, Tonya A., Harris, Stephen A., Cremona, Patricia J., Boshier, David H.

“…Survival of rare and endangered plant species following habitat loss and fragmentation is dependent upon in situ reproduction and population persistence, and…”
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Fragmented but not isolated: Contribution of single trees, small patches and long-distance pollen flow to genetic connectivity for Gomortega keule, an endangered Chilean tree by Lander, Tonya A., Boshier, David H., Harris, Stephen A.

“…Habitat fragmentation is a major threat to species survival worldwide due to genetic isolation, inbreeding depression, genetic drift and loss of adaptive…”
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The population genetics of sporophytic self–incompatibility in Senecio squalidus L. (Asteraceae): avoidance of mating constraints imposed by low S–allele number by Brennan, Adrian C., Harris, Stephen A., Hiscock, Simon J.

“…–alleles, such as restricted mate availability, are discussed, and we suggest that increased dominance interactions between…”
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Phylogeny of the Unispicate Taxa in Cyperaceae Tribe Cariceae I: Generic Relationships and Evolutionary Scenarios by Starr, Julian R, Harris, Stephen A, Simpson, David A

“…Despite the controversy surrounding Cariceae generic and Carex subgeneric limits, most debates centre on a relatively small number of highly reduced unispicate…”
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PO-16 Reduced Cardiac Baroreflex Sensitivity is Associated with Greater Aortic Stiffness in Middle-Aged/Older Humans: Beneficial Effect of Habitual Aerobic Exercise by Harris, Stephen A., Stauss, Harald M., Seals, Douglas R., Pierce, Gary L.

“…Introduction Sedentary aging is characterized by reduced cardiac barore-flex sensitivity (BRS) and increased aortic stiffness, both independent predictors of…”
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Phylogenetics, Morphology, and Evolution of the Large Genus Myrcia s.l. (Myrtaceae) by Lucas, Eve J, Matsumoto, Kazue, Harris, Stephen A, Nic Lughadha, Eimear M, Benardini, Benedetta, Chase, Mark W

“…Phylogenetic relationships of Myrcia s.l., the most species-rich tree genus in the Brazilian cerrado and Atlantic forests, are reconstructed by analysis, with…”
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Breeding systems, hybridization and continuing evolution in Avon Gorge Sorbus by Ludwig, Shanna, Robertson, Ashley, Rich, Timothy C. G, Djordjević, Milena, Cerović, Radosav, Houston, Libby, Harris, Stephen A, Hiscock, Simon J

“…Background and AimsInterspecific hybridization and polyploidy are key processes in plant evolution and are responsible for ongoing genetic diversification in…”
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Hybridization and polyploidy as drivers of continuing evolution and speciation in Sorbus by ROBERTSON, ASHLEY, RICH, TIMOTHY C. G., ALLEN, ALEXANDRA M., HOUSTON, LIBBY, ROBERTS, CAT, BRIDLE, JON R., HARRIS, STEPHEN A., HISCOCK, SIMON J.

“…Interspecific hybridization and polyploidy are pivotal processes in plant evolution and speciation. The fate of new hybrid and polyploid taxa is determined by…”
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THE POPULATION GENETICS OF SPOROPHYTIC SELF-INCOMPATIBILITY IN THREE HYBRIDIZING SENECIO (ASTERACEAE) SPECIES WITH CONTRASTING POPULATION HISTORIES by Brennan, Adrian C., Harris, Stephen A., Hiscock, Simon J.

“…Hybridization generates evolutionary novelty and spreads adaptive variation. By promoting outcrossing, plant self-incompatibility (SI) systems also favor…”
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