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Articles 1 - 7 of 7
Full-Text Articles in Biology
Predicting Leptodactylus (Amphibia, Anura, Leptodactylidae) Distributions: Broad-Ranging Versus Patchily Distributed Species Using A Presence-Only Environmental Niche Modeling Technique, Miguel Fernández, Daniel Cole, W. R. Heyer, Stephen Reichle, Rafael O. De Sá
Predicting Leptodactylus (Amphibia, Anura, Leptodactylidae) Distributions: Broad-Ranging Versus Patchily Distributed Species Using A Presence-Only Environmental Niche Modeling Technique, Miguel Fernández, Daniel Cole, W. R. Heyer, Stephen Reichle, Rafael O. De Sá
Biology Faculty Publications
Locality data available for many, if not most, species of Neotropical frogs are based on written descriptions of the collecting sites, not on GPS device determined coordinate data. The pre-GPS device data are imprecise relative to GPS data. Niche modeling is a powerful technique for predicting geographic distributions that provides the best results when the locality data are precise. The purpose of this study is to determine whether imprecise historical locality data are sufficient such that niche modeling techniques can yield realistic new insights to species-level distributions. Two sets of frogs of the genus Leptodactylus that have known different kinds …
A New Brevicipitid Species (Brevicipitidae: Callulina) From The Fragmented Forests Of The Taita Hills, Kenya, Simon P. Loader, G. John Measey, Rafael O. De Sá, Patrick K. Malonza
A New Brevicipitid Species (Brevicipitidae: Callulina) From The Fragmented Forests Of The Taita Hills, Kenya, Simon P. Loader, G. John Measey, Rafael O. De Sá, Patrick K. Malonza
Biology Faculty Publications
A new species Callulina dawida is described from the Taita Hills, Kenya. It is distinguished from other members of the genus on the basis of the degree of digital expansion. The species further differs from other members of the genus based on molecular sequence comparisons and on its call. The morphological variation in the new species is described, including a comparison of internal and external characters and sexual dimorphism with other species of Callulina. The conservation status of the species, on the basis of its restricted distribution and land use changes in the area, is considered to be of …
Do Hypothermic Tissue Tolerances Limit Torpor Expression?, Clark J. Cotton, Henry J. Harlow
Do Hypothermic Tissue Tolerances Limit Torpor Expression?, Clark J. Cotton, Henry J. Harlow
Biology Faculty Publications
1. Arrest temperatures and Q10 values for extensor digitorum longus (EDL), soleus, trabecula, and jejunum muscle twitch strength, contraction time, and 0.5 relaxation time were calculated for a deep torpor hibernator, white-tailed prairie dog (WTPD) (Cynomys leucurus), a shallow torpor hibernator, black-tailed prairie dog (BTPD) (Cynomys ludovicianus), and a non-hibernator, lab rat (Rattus norvegicus) to test the hypothesis that tissue temperature tolerances limit the depth of expressed torpor.
2. There were no temperature tolerance differences between the tissues of the two species of hibernators. Both hibernating species had arrest temperatures and Q10 …
Field Guide To The Fishes Of Eastern Washington, Allan T. Scholz, Holly J. Mclellan, Judy Mcmillan, Larry Conboy, Michelle Kirkendall, Angela Davis, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics., United States. Bureau Of Land Management.
Field Guide To The Fishes Of Eastern Washington, Allan T. Scholz, Holly J. Mclellan, Judy Mcmillan, Larry Conboy, Michelle Kirkendall, Angela Davis, Eastern Washington University. Department Of Biology., Eastern Washington University. University Graphics., United States. Bureau Of Land Management.
Biology Faculty Publications
"This book was prepared through a grant from the United States Department of the Interior, Bureau of Land Management (BLM)."
Horseshoe Crab Spawning Survey Protocol, Jennifer Mattei
Horseshoe Crab Spawning Survey Protocol, Jennifer Mattei
Biology Faculty Publications
The protocol lists supplies and clothing needed for the survey, as well as which data is to be collected and when and how it should be entered for the census of horseshoe crabs on the Recapture Data Sheet for 2009. Adopted from Cape Cod and Delaware Bay survey protocols.
Investigation Of A Fresh African Elephant Carcass By Conspecifics, Christen Merte, Katie Gough, Bruce A. Schulte
Investigation Of A Fresh African Elephant Carcass By Conspecifics, Christen Merte, Katie Gough, Bruce A. Schulte
Biology Faculty Publications
This examination of elephant bones and ivory indicates that elephants show an elevated level of interest in conspecifics over other dead animals. Elephants do not seem to express special interest in dead kin but rather they appear to have a generalized response to injured, dying and deceased conspecifics (Douglas Hamilton et al. 2006, McComb et al. 2006). The present study reports the behaviour of a group of elephants in response to a euthanized adult male elephant that suffered severe wounds inflicted by a conspecific male. Most of the observations from previous studies have been on females and female group members. …
Prospecting For Mammalian Chemical Signals Via Solventless Extraction Techniques: An Elephantine Task, Thomas Goodwin, Bruce A. Schulte
Prospecting For Mammalian Chemical Signals Via Solventless Extraction Techniques: An Elephantine Task, Thomas Goodwin, Bruce A. Schulte
Biology Faculty Publications
In contrast to a plethora of known insect pheromones, a paucity of mammalian pheromones has been identified, two of which have been in elephants (Albone, 1984; Brown and Macdonald, 1985; Wyatt, 2003; Burger, 2005). Elephants possess one of the world’s best chemosensory systems, due in no small measure to their prehensile trunk. The trunk is not only the gateway to smelling (primary olfaction), but also the means by which chemical signals are conveyed from their source to the openings of the vomeronasal organ ducts in the roof of the mouth (the flehmen response; secondary olfaction) (Rasmussen, 1999). The late L. …