Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Riparian Vegetation Of The Lower Rio Grande, Robert I. Lonard, Frank W. Judd
Riparian Vegetation Of The Lower Rio Grande, Robert I. Lonard, Frank W. Judd
Biology Faculty Publications and Presentations
The riparian vegetation of the lower reach of the Rio Grande was studied at 7 locations using 3 line intercepts at each location. There were no trees at the mouth of the river and the vegetation was similar to that found along the Laguna Madre shore of barrier islands. Mesquite (Prosopis glandulosa) was the dominant tree near the coast and in the western section of the river near Falcon Dam. Sugar hackberry (Celtis laevigata) was the dominant tree species at all other sites except at Santa Ana National Wildlife Refuge, where cedar elm (Ulmus crassifolia) and anacua (Ehretia anacua) were …
Genetic Differentiation Of Rare And Common Varieties Of Eriogonum Shockleyi (Polygonaceae) In Idaho Using Issr Variability, James F. Smith
Genetic Differentiation Of Rare And Common Varieties Of Eriogonum Shockleyi (Polygonaceae) In Idaho Using Issr Variability, James F. Smith
Biology Faculty Publications and Presentations
Idaho populations of Eriogonum shockleyi are divided taxonomically into 2 varieties: E. shockleyi var. packardae , which is endemic to Idaho, and the typical variety, which is widespread in the western United States. Recent morphological investigations of E. shockleyi in Idaho have identified potentially reliable morphological characters for field identification of the subspecific taxa. This paper investigates the genetic basis for the separation of the 2 varieties of E. shockleyi using inter simple-sequence repeats (ISSR) markers. Although we found some morphological differences between the populations that correlated with the 2 varieties, we identified no molecular markers in this study to …
Nest-Site Characteristics Of Burrowing Owls (Athene Cunicularia) In The Snake River Birds Of Prey National Conservation Area, Idaho, And Application To Artificial Burrow Installation, James R. Belthoff, R. Andrew King
Nest-Site Characteristics Of Burrowing Owls (Athene Cunicularia) In The Snake River Birds Of Prey National Conservation Area, Idaho, And Application To Artificial Burrow Installation, James R. Belthoff, R. Andrew King
Biology Faculty Publications and Presentations
Burrowing Owl (Athene cunicularia) populations are declining in many portions of their range, and research and management efforts into stemming declines are underway. One tool with promise is the artificial burrow, which can supplement nesting opportunities and play a role in research, mitigation, translocation, and reintroduction studies. However, few studies directly assess important burrow and surrounding topographic features upon which owls choose sites and then construct and install artificial burrows accordingly. In this study we (1) measure physical, vegetative, and topographic characteristics of Burrowing Owl nest sites in the Snake River Birds of Prey National Conservation Area (SRBPNCA); …
Parallelism In Digging Behaviour In Two Distantly Related Decapod Crustaceans, Zen Faulkes
Parallelism In Digging Behaviour In Two Distantly Related Decapod Crustaceans, Zen Faulkes
Biology Faculty Publications and Presentations
Walking and swimming are the most common forms of locomotion used routinely by decapod crustaceans, but some have evolved ways of locomoting throughsubstrates, notably sand. Two such digging species, of different infraorders, are spanner crabs (Ranina ranina; Brachyura) and spiny sand crabs (Blepharipoda occidentalis; Anomura). Videotape and electromyogram analysis showed that digging by these species is similar, but Raninahas a wider locomotor repertoire than Blepharipoda: for instance, Raninacan walk forward on the benthos, whereas Blepharipoda(and other sand crabs) cannot walk. Similarly, although both Raninaand Blepharipodadig into the sand using their legs and abdomen, leg movements of Raninaare less stereotyped than …
Investigating The Relationship Between Cryptococcus Fagisuga And Fagus Grandifolia In Great Smoky Mountains National Park, Ashley B. Morris, Randall L. Small, Mitchell B. Cruzan
Investigating The Relationship Between Cryptococcus Fagisuga And Fagus Grandifolia In Great Smoky Mountains National Park, Ashley B. Morris, Randall L. Small, Mitchell B. Cruzan
Biology Faculty Publications and Presentations
Focuses on a study which investigated the relationship between Cryptococcus fagisuga and Fagus grandifolia in Great Smoky Mountains National Park. Potential for genetic resistance; Methods; Results and discussion.