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of 49
pro vyhledávání: '"Bruce A. Smith"'
Autor:
Bruce A. Smith
Publikováno v:
Oklahoma Native Plant Record, Vol 12, Iss 1, Pp 63-68 (2012)
In October 2011, high school students from McLoud High School sampled an oak forest in Earlsboro, Pottawatomie County. In July, 2012, students in the Pre-collegiate Field Studies Camp at the University of Oklahoma Biological Station sampled the Marsh
Externí odkaz:
https://doaj.org/article/2527024199ed4c38b9402ad5164c9719
Autor:
Bruce A. Smith
Publikováno v:
Oklahoma Native Plant Record, Vol 9, Iss 1, Pp 64-70 (2009)
Oklahoma is where several ferns reach their northern or eastern range limits. Among them are two species of lip ferns in the family Pteridaceae, Cheilanthes horridula Maxon and Cheilanthes lindheimeri Hook (Hoagland et al. 2007). C. horridula (prickl
Externí odkaz:
https://doaj.org/article/78570928961c49f5afc9cfb2c4a10a27
Autor:
Bruce A. Smith
Publikováno v:
Oklahoma Native Plant Record, Vol 8, Iss 1, Pp 61-66 (2008)
This paper features some of the more common fern habitats in Oklahoma and provides information on four rare Oklahoma ferns from two fern families: Aspleniaceae and Pteridaceae. Surprisingly, ferns can be found in a variety of habitats across Oklahoma
Externí odkaz:
https://doaj.org/article/36c83fdfe28d4ee4abd1656c352362f9
Autor:
Bruce A. Smith
Publikováno v:
Oklahoma Native Plant Record, Vol 1, Iss 1, Pp 68-71 (2001)
Natural Falls State Park, formerly known as Dripping Springs is located in northeast Oklahoma. The park’s natural beauty and flora have attracted visitors since 1907. In a 1988 visit to the Oklahoma State University Herbarium, I noticed that severa
Externí odkaz:
https://doaj.org/article/36e1e24cf4204982915ce4a56c6ac2d7
Autor:
Bruce D. Smith
Publikováno v:
Vegetation History and Archaeobotany. 23:57-74
All modern domesticated sunflowers can be traced to a single center of domestication in the interior mid-latitudes of eastern North America. The sunflower achenes and kernels recovered from six eastern North American sites predating 3000 b.p. that do
Autor:
Nathan Wales, Jeffrey Ross-Ibarra, Jazmín Ramos-Madrigal, J. Víctor Moreno-Mayar, Bruce D. Smith, Shyam Gopalakrishnan, M. Thomas P. Gilbert
Publikováno v:
Current biology : CB. 26(23)
Summary The complex evolutionary history of maize ( Zea mays L. ssp. mays ) has been clarified with genomic-level data from modern landraces and wild teosinte grasses [1, 2], augmenting archaeological findings that suggest domestication occurred betw
Autor:
Bruce D. Smith
Publikováno v:
Proceedings of the National Academy of Sciences. 103:12223-12228
The status of eastern North America as an independent center of plant domestication has recently been called into question by a number of genetic and archaeological studies, which suggest that the region may not have witnessed the independent domesti
Publikováno v:
Environmental Entomology. 34:241-245
Specific metabolic heat rates (Rq) and respiration rates (RCO2) of adult Harmonia axyridis Pallas, the multicolored Asian lady beetle, and Hippodamia convergens Guerrin-Manaville, the convergent lady beetle, were measured in isothermal calorimeters a
Publikováno v:
Environmental Entomology. 33:832-838
The multicolored Asian lady beetle, Harmonia axyridis (Pallas), is displacing native coccinellid species in North America. To elucidate the mechanisms underlying this phenomenon, it is important to understand its physiological ecology. Hence, this st
Autor:
Robert A. Holmes, Clayton Jones, D. Carl Freeman, Thomas A. Monaco, Bruce N. Smith, Lee D. Hansen, E. Durant McArthur
Publikováno v:
Thermochimica Acta. 394:205-210
Big sagebrush or Artemisia tridentata Nutt. ssp. vaseyana grows at slightly higher, cooler, and drier sites than does A. tridentata ssp. tridentata . The two sagebrush subspecies and natural hybrids between them are found along an elevational gradien