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Roost Sites Used By Sandhill Crane Staging Along The Platte River, Nebraska, Bradley S. Norling, Stanley H. Anderson, Wayne A. Hubert Dec 1992

Roost Sites Used By Sandhill Crane Staging Along The Platte River, Nebraska, Bradley S. Norling, Stanley H. Anderson, Wayne A. Hubert

Great Basin Naturalist

We assessed the influence of water depth, extent of unobstructed view, and human disturbance features on use of roost sites by Sandhill Cranes along the Platte River, Nebraska, during spring migratory stopover. Aerial photos taken near dawn were used to determine areas of flock use and habitat availability in four sample reaches, and measurements were made on the ground at flock roost areas. In general, depths of 1–13 cm were used by sandhill cranes in greater proportion than those available. Exposed sandbars and depths >20 cm were avoided, while depths of 14–19 cm were used in proportion to their availability. …

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Red Butte Canyon Research Natural Area: History, Flora, Geology, Climate, And Ecology, James R. Ehleringer, Lois A. Arnow, Ted Arnow, Irving B. Mcnulty, Norman C. Negus Sep 1992

Red Butte Canyon Research Natural Area: History, Flora, Geology, Climate, And Ecology, James R. Ehleringer, Lois A. Arnow, Ted Arnow, Irving B. Mcnulty, Norman C. Negus

Great Basin Naturalist

Red Butte Canyon is a protected, near pristine canyon entering Salt Lake Valley, Utah. It contains a well-developed riparian zone and a perennial stream; hillside vegetation ranges from grasslands on the lower limits to Douglas-fir and aspen stands at the upper elevations. In this paper we describe the history of human impact, natural history aspects of climate, geology, and ecology, and faunal and floral information for key species in the canyon. The role and importance of Research Natural Areas is discussed, particularly with respect to the need to protect Red Butte Canyon—one of the few remaining undisturbed riparian ecosystems in …

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Vegetation Associated With Two Alien Plant Species In A Fescue Grassland In Glacier National Park, Montana, Robin W. Tyser Sep 1992

Vegetation Associated With Two Alien Plant Species In A Fescue Grassland In Glacier National Park, Montana, Robin W. Tyser

Great Basin Naturalist

No abstract provided.

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Relating Soil Chemistry And Plant Relationship In Wooded Draws Of The Northern Great Plains, Marguerite E. Voorhees, Daniel W. Uresk May 1992

Relating Soil Chemistry And Plant Relationship In Wooded Draws Of The Northern Great Plains, Marguerite E. Voorhees, Daniel W. Uresk

Great Basin Naturalist

Soils of the green ash/chokecherry habitat type in northwestern South Dakota were evaluated for 22 properties to determine whether any could be correlated with density of chokecherry (Prunus virginiana) and snowberry (Symphoricarpos occidentalis). Surface soils were moderately fertile, with high levels of all elements except phosphorus and nitrogen. Soils were fine textured with moderately high cation exchange capacity and saturation percentages. However, soils were nonsaline-nonalkaline with low amounts of exchangeable sodium. None of the soil properties showed good correlation with chokecherry and snowberry densities. Greatest correlations were found between each of the shrub species and grass.

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Nongame Wildlife Communities In Grazed And Ungrazed Montane Riparian Sites, Terri Tucker Shulz, Wayne C. Leininger Oct 1991

Nongame Wildlife Communities In Grazed And Ungrazed Montane Riparian Sites, Terri Tucker Shulz, Wayne C. Leininger

Great Basin Naturalist

No abstract provided.

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Ecological Relationships Of Curlleaf Mountain-Mahogany (Cercocarpus Ledifolius Nutt.) Communities In Utah And Implications For Management, James N. Davis, Jack D. Brotherson Jun 1991

Ecological Relationships Of Curlleaf Mountain-Mahogany (Cercocarpus Ledifolius Nutt.) Communities In Utah And Implications For Management, James N. Davis, Jack D. Brotherson

Great Basin Naturalist

Curlleaf mountain-mahogany is a widely distributed shrubby tree of western North America. Well-developed stands are most often found on warm, dry, rocky ridges and slopes at high elevations on mostly southern exposures. It can, however, be found onall exposures. The species appears to be indifferent to substrate with soils which are invariably shallow and of low fertility. However, the nitrogen-fixing root nodules help overcome soil deficiencies. This highly palatable species is preferred by mountain sheep, mountain goats, deer, and elk. Its nutritive value (about 12% protein) and digestibility ratings (around 50%) in the winter are high when compared with most …

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The Great Basin Naturalist 50-Year Index, Volumes 1–50, 1939–1990, Jody N. Reid, Richard D. Jensen, Nathan M. Smith Mar 1991

The Great Basin Naturalist 50-Year Index, Volumes 1–50, 1939–1990, Jody N. Reid, Richard D. Jensen, Nathan M. Smith

Great Basin Naturalist

No abstract provided.

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Full Issue, Vol. 51 No. 1 Mar 1991

Full Issue, Vol. 51 No. 1

Great Basin Naturalist

No abstract provided.

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Food Caching And Handling By Marten, Stephen E. Henry, Martin G. Raphael, Leonard R. Ruggiero Dec 1990

Food Caching And Handling By Marten, Stephen E. Henry, Martin G. Raphael, Leonard R. Ruggiero

Great Basin Naturalist

No abstract provided.

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Full Issue, Vol. 50, No. 3 Oct 1990

Full Issue, Vol. 50, No. 3

Great Basin Naturalist

No abstract provided.

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Bibliography Of Nevada And Utah Vegetation Description, P. S. Bourgeron, L. D. Engelking, J. S. Tuhy, J. D. Brotherson Oct 1990

Bibliography Of Nevada And Utah Vegetation Description, P. S. Bourgeron, L. D. Engelking, J. S. Tuhy, J. D. Brotherson

Great Basin Naturalist

Listed in alphabetical order by author are 934 references to literature of the native vegetation of Nevada and Utah. This updates and expands the 1967 bibliography of Christensen for Utah. A keyword-citation index is provided.

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Noteworthy Mammal Distribution Records For The Nevada Test Site, Philip A. Medica Mar 1990

Noteworthy Mammal Distribution Records For The Nevada Test Site, Philip A. Medica

Great Basin Naturalist

No abstract provided.

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Mourning Dove Use Of Man-Made Ponds In A Cold-Desert Ecosystem In Idaho, Frank P. Howe, Lester D. Flake Oct 1989

Mourning Dove Use Of Man-Made Ponds In A Cold-Desert Ecosystem In Idaho, Frank P. Howe, Lester D. Flake

Great Basin Naturalist

Mourning Doves (Zenaida macroura) in a cold-desert ecosystem used man-made ponds for watering, feeding, gritting, loafing, and courting. Diurnal pond use by doves peaked in the morning and evening. Monthly dove use of ponds fluctuated slightly during the summers of 1984 and 1985. Pond size, pH, and shoreline characteristics had little association with the intensity of pond use by doves; but geographic isolation of ponds was weakly associated with pond-use intensity. The number of doves present at the beginning of the one-hour period was a poor indicator of the number of arrivals during that period. We conclude that …

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Bibliography And Subject Index Of The Prairie Skink, Eumeces Septentrionalis (Baird) (Sauria: Scincindae), Louis A. Somma, Philip A. Cochran Oct 1989

Bibliography And Subject Index Of The Prairie Skink, Eumeces Septentrionalis (Baird) (Sauria: Scincindae), Louis A. Somma, Philip A. Cochran

Great Basin Naturalist

The prairie skink, Eumeces septentrionalis, is a small, semifossorial lizard inhabiting the tall-grass prairies and savannas of the central lowland province region of North America. This study provides an extensive bibliography and subject index as a tool for current and future workers studying E. septentrionalis and related species.

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Physiographic Characteristics Of Peregrine Falcon Nesting Habitat Along The Colorado River System In Utah, Brandon L. Grebence, Clayton M. White Jul 1989

Physiographic Characteristics Of Peregrine Falcon Nesting Habitat Along The Colorado River System In Utah, Brandon L. Grebence, Clayton M. White

Great Basin Naturalist

Portions of the Colorado, Dolores, Green, and San Rafael rivers in Utah were surveyed for the breeding Peregrine Falcon (Falco peregrinus anatum) from 1986 to 1988. Eleven physical variables were measured at nest cliffs (N = 22) and nonnest cliffs (N = 22) to discern descriptors of cliff choice and subsequent occupancy by breeding peregrines in unexplored habitat within the Colorado River and its tributaries. Ratio scale measurements were subjected to discriminant function analysis or the Mann-Whitney test to determine significant differences between cliff types. At nest cliffs, Rayleigh's and Kuiper's tests were applied to compass directions to …

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Influence Of Experimental Habitat Manipulations On A Desert Rodent Population In Southern Utah, Jiping Zou, Jerran T. Flinders, Hal L. Black, Steven G. Whisenant Jul 1989

Influence Of Experimental Habitat Manipulations On A Desert Rodent Population In Southern Utah, Jiping Zou, Jerran T. Flinders, Hal L. Black, Steven G. Whisenant

Great Basin Naturalist

This paper addresses how habitat manipulations in a black sagebrush (Artemisia nova)–dominated area, John's Valley of southern Utah, affected resident desert rodent populations. Rodents studied included the deer mouse (Peromyscus maniculatus), Great Basin pocket mouse (Perognathus parvus), sagebrush vole (Lagurus curtatus), Ord's kangaroo rat (Dipodomys ordii), and least chipmunk (Eutamias minimus). The experimental design involved analyses of treatment and control (nontreatment) plots rather than pre- and posttreatment of all plots. Habitat manipulations emphasized cutting of shrubs (rotobeating), treatment of plants with a herbicide (2,4-D), and reseeding with a …

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Co-Occupancy Of A Den By A Pair Of Great Basin Black Bears, John M. Goodrich, San J. Stiver Jul 1989

Co-Occupancy Of A Den By A Pair Of Great Basin Black Bears, John M. Goodrich, San J. Stiver

Great Basin Naturalist

An adult male and an adult female black bear (Ursus americanus) were found in the same den in the Carson Range of the Sierra Nevada in Nevada. Co-occupancy of dens is very rare, and such behavior has never been previously reported for adult bears of opposite sex.

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Foods And Feeding Periodicity Of The White River Springfish, Crenichthys Baileyi, Gene R. Wilde Apr 1989

Foods And Feeding Periodicity Of The White River Springfish, Crenichthys Baileyi, Gene R. Wilde

Great Basin Naturalist

White River springfish collected in August and December 1966 from Hot Creek Spring, Nevada, fed primarily on amphipods, ostracods, plant fragments, and detritus. Compostition of the diet was similar in both months. However, amphipods were the most important food in August, while in December amphipods, ostacods, plant fragments, and detritus were of approximately equal importance. Comparison of diel feeding periodicity and activity patterns suggests that most of the daily activity of White River springfish is related to feeding.

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Interactions Among Squirrels, Mycorrhizal Fungi, And Coniferous Forests In Oregon, Chris Maser, Zane Maser Jul 1988

Interactions Among Squirrels, Mycorrhizal Fungi, And Coniferous Forests In Oregon, Chris Maser, Zane Maser

Great Basin Naturalist

We examined the mycophagy (ingestion of fungi) of squirrels of five genera and eight species in the coniferous forests of Oregon. Data from 644 dietary samples demonstrated that squirrels of all eight species are mycophagous and eat the belowground fruiting bodies of at least 26 genera of mycorrhizal fungi. Four species are primarily arboreal and active throughout the year; the other four are primarily terrestrial and hibernate during winter. Of the squirrels examined, only the northern flying squirrel (Glaucomys sabrinus [Shaw]) is nocturnal and almost exclusively a fungivore. The flying squirrel is used to illustrate the dynamics of all …

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Bibliography Of Montana Vegetation Description, P. S. Bourgeron, A. M. Kratz, T. Weaver, N. Weidman Jul 1988

Bibliography Of Montana Vegetation Description, P. S. Bourgeron, A. M. Kratz, T. Weaver, N. Weidman

Great Basin Naturalist

Listed in alphabetical order by author are 549 references to literature that describes the native vegetation of Montana. This updates the 1965 list of Habeck and Hartley. A keyword subject index is included.

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Comprehensive List By Habitat Of Algae Of Utah, Usa., Samuel R. Rushforth, Gwen Shirley Merkley Apr 1988

Comprehensive List By Habitat Of Algae Of Utah, Usa., Samuel R. Rushforth, Gwen Shirley Merkley

Great Basin Naturalist

A list of the algal species that have been reported from the state of Utah is presented. Also listed are the habitats from which these algae were collected. A total of nearly 1,900 taxa have been identified to the species level or below. Diatoms comprise the largest group, with nearly 1,000 taxa, followed by the green algae with over 550 taxa.

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Mycophagy Of Red-Backed Voles, Clethrionomys Californicus And C. Gapperi, Chris Maser, Zane Maser Apr 1988

Mycophagy Of Red-Backed Voles, Clethrionomys Californicus And C. Gapperi, Chris Maser, Zane Maser

Great Basin Naturalist

We examined stomach contents of 426 Clethrionomys, 217 C. californicus from western Oregon and 209 C. gapperi from widely scattered areas across North America. Clethrionomys californicus consumed fungi of 28 genera. Clethrionomys gapperi from the Rocky Mountains westward consumed fungi of 23 genera, whereas C. gapperi east of the Rocky Mountains consumed fungi of 7 genera. This study supports the conclusions of an earlier study, limited to Oregon and Washington, that food habits of C. californicus and C. gapperi are more closely related to habitat than to species or subspecies of vole.

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A Review Of Flea Collection Records From Onychomys Leucogaster With Observations On The Role Of Grasshopper Mice In The Epizoology Of Wild Rodent Plaque, Rex E. Thomas Jan 1988

A Review Of Flea Collection Records From Onychomys Leucogaster With Observations On The Role Of Grasshopper Mice In The Epizoology Of Wild Rodent Plaque, Rex E. Thomas

Great Basin Naturalist

Published records of fleas collected from the northern grasshopper mouse, Onychomys leucogaster, indicate that these mice have a great deal of intimate environmental contact with other rodents or their burrows. Fifty-seven species of fleas have been collected from the omnivorous grasshopper mouse. The range of this mouse overlaps much of the distribution of plague, Yersinia pestis, in the western United States; and nearly one-half of the flea species collected from O. leucogaster are known to be of importance in the epizoology of plague. This article discusses the importance of the association of fleas with a hospitable secondary host …

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A Checklist Of The Vascular Plants Of The House Range, Utah, Ronald J. Kass Jan 1988

A Checklist Of The Vascular Plants Of The House Range, Utah, Ronald J. Kass

Great Basin Naturalist

A checklist of the vascular plants of the House Range, Juab and Millard counties, Utah, is presented. A flora of 373 species and infraspecific taxa in 231 genera and 60 families are reported. The geology, physiography, climate, and plant communities are briefly discussed. Several endemics occur in the study area and a new taxon has been described.

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Maternal Care Of Neonates In The Prairie Skink, Eumeces Septentrionalis, Louis A. Somma Oct 1987

Maternal Care Of Neonates In The Prairie Skink, Eumeces Septentrionalis, Louis A. Somma

Great Basin Naturalist

Maternal care of neonates has been documented in relatively few species of lizards representing four families. This study documents the occurrence of maternal care of neonates in the prairie skink, Eumeces septentrionalis. Observations made herein indicate that individual variation in maternal behavior existis in this species.

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Annotated Inventory Of Invertebrate Populations Of An Alpine Lake And Stream Chain In Colorado, John H. Bushnell, Susan Q. Foster, Bruce M. Wahle Jul 1987

Annotated Inventory Of Invertebrate Populations Of An Alpine Lake And Stream Chain In Colorado, John H. Bushnell, Susan Q. Foster, Bruce M. Wahle

Great Basin Naturalist

Benthic macroinvertebrates were collected during the ice-free season (1 July–20 October) over a five-year period from a chain of alpine lakes and intervening streams in the Green Lakes Valley (3,347–3,615 m) in Boulder County, Colorado. A list of taxa was developed for 1981 and 1982, with taxonomic additions for 1983–1985 and comments on community structure, seasonal and elevational changes in species abundance, and noteworthy occurrences. A total of 111 taxa was collected, of which 84% occurred in streams, 58% being exclusively lotic. Dipterans composed 73–81% of total abundance in streams. The littoral benthic zone of lakes was predominantly trichopterans and …

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Burrows Of The Sagebrush Vole (Lemmiscus Curtatus) In Southeastern Idaho, Tim R. Mullican, Barry L. Keller Apr 1987

Burrows Of The Sagebrush Vole (Lemmiscus Curtatus) In Southeastern Idaho, Tim R. Mullican, Barry L. Keller

Great Basin Naturalist

Burrows of the sagebrush vole (Lemmiscus curtatus) were analyzed by injecting them with expanding polyurethane foam. Average mean depth ± 1 SE of four burrows was 12.5 ± 2.6 cm. Tunnels were wider than high and flat on the bottom. Three of four burrows were nearly linear, with an average of five entrances. Burrows usually contained one nest made of Artemisia tridentata bark. No middens or communal nests were found. The burrow structure in sagebrush habitat suggests that sagebrush voles occur singly or in pairs rather than in colonies.

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Ecological Comparison Of Sympatric Populations Of Sand Lizards (Cophosaurus Texanus And Callisaurus Draconoides), Donald D. Smith, Philip A. Medica, Sherburn R. Sanborn Apr 1987

Ecological Comparison Of Sympatric Populations Of Sand Lizards (Cophosaurus Texanus And Callisaurus Draconoides), Donald D. Smith, Philip A. Medica, Sherburn R. Sanborn

Great Basin Naturalist

Sympatric populations of Cophosaurus texanus and Callisaurus draconoides were periodically sampled from March 1973 through April 1974 at Burro Creek, Mohave County, Arizona. Callisaurus were also sampled at Rock Valley, Nye County, Nevada. Sex ratios were skewed in favor of males in the adult Cophosaurus but were equal in both adult populations of Callisaurus. Both species became sexually mature as yearlings. Mean clutch sizes were 3.55 (±0.83) for Cophosaurus, and 4.25 (±1.08) and 5.07 (±1.33) for Callisaurus at Burro Creek and Rock Valley respectively. Evidence of multiple clutches was exhibited by both species. Egg weight/body weight ratios for both species …

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Habitat And Community Relationships Of Cliffrose (Cowania Mexicana Var. Stansburiana) In Central Utah, K. P. Price, J. D. Brotherson Jan 1987

Habitat And Community Relationships Of Cliffrose (Cowania Mexicana Var. Stansburiana) In Central Utah, K. P. Price, J. D. Brotherson

Great Basin Naturalist

Cliffrose (Cowania mexicana var. stansburiana [Torr.] Jepson) community measurements were taken in central Utah. Data revealed a high between-site similarity of 78.5%. Soil analysis for sites showed most macronutrients, and some micronutrients, relatively low. Cover of cliffrose was found to increase with increases in soil magnesium (p ≤ 0.01). Plants growing on the sites have adapted life cycles to exploit moisture and nutrients during seasons of maximum availability. Prevalent species in the community were cheatgrass (Bromus tectorum), cliffrose, madwort (Alyssum alyssoides), and bluebunch wheatgrass (Agropyron spicatum). Annual grasses were the most important life …

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M–Q, Stephen L. Wood, Donald E. Bright Jr. Jan 1987

M–Q, Stephen L. Wood, Donald E. Bright Jr.

Great Basin Naturalist Memoirs

No abstract provided.

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