Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Christopher Vaughan"'
Autor:
Christopher Vaughan
Publikováno v:
Ciencias Ambientales, Vol 57, Iss 1 (2022)
El perezoso de dos dedos (Choloepus hoffmanni) y el de tres dedos (Bradypus variegatus), hoy considerados símbolos nacionales de Costa Rica, fueron estudiados durante 13 años (2004-2016) en una finca de cacao y sus alrededores dentro del proyecto
Externí odkaz:
https://doaj.org/article/bf4088f07eb343058b3c1157424ff4d5
Autor:
Elizabeth M. Davenport, Jillian E. Urban, Christopher Vaughan, Jesse C. DeSimone, Ben Wagner, Mark A. Espeland, Alexander K. Powers, Christopher T. Whitlow, Joel D. Stitzel, Joseph A. Maldjian
Publikováno v:
Brain and Behavior, Vol 12, Iss 9, Pp n/a-n/a (2022)
Abstract Introduction The purpose of this study is to determine if delta waves, measured by magnetoencephalography (MEG), increase in adolescents due to a sports concussion. Methods Twenty‐four adolescents (age 14–17) completed pre‐ and postsea
Externí odkaz:
https://doaj.org/article/bf1e6c497f5840fdacf77e52428ff693
Autor:
Christopher Vaughan
Publikováno v:
Ciencias Ambientales, Vol 53, Iss 2, Pp 166-188 (2019)
Desde 1990, la ecología de la lapa roja (Ara macao) en el Pacífico Central de Costa Rica ha sido estudiada. Un análisis preliminar de los conteos entre 1990-1994 demostró una población decreciendo rápidamente, en riesgo de desaparecer en varias
Externí odkaz:
https://doaj.org/article/ac7f591c7d8b40758a43bd694b9b0dc7
Autor:
Elizabeth F. Teel, Roger L. Zemek, Kenneth Tang, Gerard Gioia, Christopher Vaughan, Maegan Sady, Isabelle J. Gagnon, the Pediatric Emergency Research Canada (PERC) Concussion Team, Martin H. Osmond, Nick Barrowman, Stephen B. Freedman, Jocelyn Gravel, Gurinder Sangha, Kathy Boutis, Darcy Beer, William Craig, Emma Burns, Ken J. Farion
Publikováno v:
Frontiers in Neurology, Vol 10 (2019)
Objective: To determine the stability of children's retrospective ratings of pre-injury levels of symptoms over time following concussion.Methods: Children and adolescents (n = 3,063) between the ages of 5–17 diagnosed with a concussion by their tr
Externí odkaz:
https://doaj.org/article/c11c42fe83414f17a8d50b50a2432b6c
Autor:
Christopher Vaughan
Publikováno v:
Revista de Biología Tropical, Vol 63, Iss 1, Pp 01-05 (2015)
Externí odkaz:
https://doaj.org/article/53c4d6d91f414eafa2b19f8ffb8a82e4
Publikováno v:
Revista de Biología Tropical, Vol 62, Iss 3, Pp 843-858 (2014)
Externí odkaz:
https://doaj.org/article/af3ca2177909425bafd515228f9a45b4
Publikováno v:
Cuadernos de investigación UNED, Vol 7, Iss 2 (2015)
The Baird’s tapir (Tapirus bairdii) is an endangered neotropical species which has little field research to guide its conservation efforts. For this reason, the diet and foraging activity of a free ranging female was observed for 286 hrs. from June
Externí odkaz:
https://doaj.org/article/43d0eb8d19124497baea5358590c4bd4
Publikováno v:
Revista de Biología Tropical, Vol 59, Iss 4, Pp 1743-1755 (2011)
The information on ecological behavior of wild sloths is very scarce. In this study we determined the home ranges and resources used by three adult female three-toed sloths (Bradypus variegatus) and their four young in an agricultural matrix of cacao
Externí odkaz:
https://doaj.org/article/6dc9657d828e4dc0a925665adee23eec
Publikováno v:
Revista de Biología Tropical, Vol 59, Iss 3, Pp 1265-1274 (2011)
Successful programs for ex situ and in situ conservation and management of raptors require detailed knowledge about their pathogens. The purpose of this study was to identify the internal parasites of some captive raptors in Mexico, as well as to ver
Externí odkaz:
https://doaj.org/article/cb25e2af75bc4e70b46f755707921ba5
Publikováno v:
Revista de Biología Tropical, Vol 59, Iss 3, Pp 1257-1264 (2011)
Raptorial birds harbor a variety of ectoparasites and the mayority of them are host specific. The aim of this study was to identify the ectoparasites of captive birds of prey from Mexico, as well as to verify their impact in the health of infested bi
Externí odkaz:
https://doaj.org/article/ef58da969b3b4db7a6b8fdf6ec295f86