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Articles 9451 - 9480 of 10539

Full-Text Articles in Animal Sciences

Studies On The Scorpions Of Libya, Nuri Milad Barbash Dec 1980

Studies On The Scorpions Of Libya, Nuri Milad Barbash

Masters Theses

No abstract provided.


1980 (Fifty-Fifth) Spring Migration And Occurrence Report Dec 1980

1980 (Fifty-Fifth) Spring Migration And Occurrence Report

Nebraska Bird Review

1980 (Fifty-Fifth) Spring Migration and Occurrence Report

Two hundred ninety-eight species are listed in this report, from 14 localities. The comparable figures for 1979 are 292 species from 12 locations; 1978 300 from 13; and 1977 281 from 13.

The symbols use in the tabulation are:

Ja, Fe, Mr, Ap, My and Je for the months.


1980 Fall Field Day Dec 1980

1980 Fall Field Day

Nebraska Bird Review

1980 FALL FIELD DAY

Sixty people participated in at least part of the 1980 Fall' Field Day, which was held from noon 4 October to noon 5 October at the 4-H Camp, Nebraska National Forest, Halsey, The weather was on the cool side, but nice - maybe too nice, for many of the warblers apparently migrated during the night. Seventy-one species were reported from the Forest or immediately adjacent to it: Mallard, Blue-winged Teal, Wood Duck, Turkey Vulture; Sharp-shinned, Cooper's, Red-tailed, and Swainsons's Hawks; Golden Eagle (an immature, seen over the Camp after most people had left); Marsh Hawk, Osprey, …


End Matter, Vol. 4, Index Oct 1980

End Matter, Vol. 4, Index

Great Basin Naturalist Memoirs

No abstract provided.


Mineral Compostition Of Atriplex Hymenelytra Growing In The Northern Mojave Desert, A. Wallace, E. M. Romney, R. B. Hunter, J. E. Kinnear, G. V. Alexander Oct 1980

Mineral Compostition Of Atriplex Hymenelytra Growing In The Northern Mojave Desert, A. Wallace, E. M. Romney, R. B. Hunter, J. E. Kinnear, G. V. Alexander

Great Basin Naturalist Memoirs

Fifty samples of Atriplex hymenelytra (Torr.) S. Wats, were collected from several different locations in southern Nevada and California to test variability in mineral composition. Only Na, V, P. Ca, Mg, Mn, and Sr in the samples appeared to represent a uniform population resulting in normal curves for frequency distribution. Even so, about 40 percent of the variance for these elements was due to location. All elements differed enough with location so that no element really represented a uniform population. The coefficient of variation for most elements was over 40 percent and one was over 100 percent. The proportion of …


End Matter, Vol. 4 Oct 1980

End Matter, Vol. 4

Great Basin Naturalist Memoirs

No abstract provided.


Full Issue, Vol. 4 Oct 1980

Full Issue, Vol. 4

Great Basin Naturalist Memoirs

No abstract provided.


Parent Material Which Produces Saline Outcrops As A Factor In Differential Distribution Of Perennial Plants In The Northern Mojave Desert, A. Wallace, E. M. Romney, R. A. Wood, A. A. El-Ghonemy, S. A. Bamberg Oct 1980

Parent Material Which Produces Saline Outcrops As A Factor In Differential Distribution Of Perennial Plants In The Northern Mojave Desert, A. Wallace, E. M. Romney, R. A. Wood, A. A. El-Ghonemy, S. A. Bamberg

Great Basin Naturalist Memoirs

An area of 0.46 km2 divided into six zones in the northern Mojave Desert transitional with the Great Basin Desert has been studied. Diversity is high among the perennial plant species within the 0.46 km2 area. Common species for the two deserts that are present in the area studied are Atriplex confertifolia (Torr. & Frem.) S.Wats., Ceratoides lanata (Pursh) J. T. Howell, Grayia spinosa (Hook.) Moq., Ephedra nevadensis S. Wats. Some other species present include Lycium andersonii A. Gray, Lycium pallidum Miers, Ambrosia dumosa (A. Gray) Payne., Larrea tridentata (Sesse & Moc. ex DC) Cov., Acamptopappus shockleyi A. …


Transpiration And Co2 Fixation Of Selected Desert Shrubs As Related To Soil-Water Potential, S. B. Clark, J. Letey Jr., O. R. Lunt, A. Wallace, G. E. Kleinkopf, E. M. Romney Oct 1980

Transpiration And Co2 Fixation Of Selected Desert Shrubs As Related To Soil-Water Potential, S. B. Clark, J. Letey Jr., O. R. Lunt, A. Wallace, G. E. Kleinkopf, E. M. Romney

Great Basin Naturalist Memoirs

In desert plants, transpiration rates decreased before photosynthetic rates when plants were entering a period of water stress. This may have adaptive consequences. A difference of -5 bars in the soil-moisture potential had considerable importance in reducing the rate of transpiration. In Helianthus annuus L. (sunflower) the photosynthetic rate decreased before the transpiration rate in contrast to Great Basin-Mojave Desert plants, and the changes occurred with a -1 bar difference in soil-moisture potential. Morphological changes in three desert plant species [Artemisia tridentata Nutt., Ambrosia dumosa (Gray) Payne, Larrea tridentata (Ses. Moc. ex DC) Cov.] as the soil-moisture potential decreased …


Front Matter, Vol. 4 Oct 1980

Front Matter, Vol. 4

Great Basin Naturalist Memoirs

No abstract provided.


An Evaluation Of Small Rodent Populations In Four Dismal Swamp Plant Communities, Fiona Elizabeth Breidling Oct 1980

An Evaluation Of Small Rodent Populations In Four Dismal Swamp Plant Communities, Fiona Elizabeth Breidling

Biological Sciences Theses & Dissertations

Diversity and density of small rodents in the Dismal Swamp are believed to be low. Reasons for this may be excessive predation, heavy interspecific pressure from larger rodents, lack of suitable habitat, low food availability or flooding.

Rodent populations were evaluated using live-traps and pitfall traps in four different Dismal Swamp plant communities. Habitat was compared on the basis of phytomass studies previously reported. Flood levels were recorded during live-trapping sessions. Mast from trees was collected in modified mast collectors, and fed to Peromyscus leucopus in the laboratory. Mast was analyzed for caloric value and nutrient content.

Only two …


Provisional Checklist Of Mammals Of South Dakota, Jerry R. Choate, J. Knox Jones Jr. Sep 1980

Provisional Checklist Of Mammals Of South Dakota, Jerry R. Choate, J. Knox Jones Jr.

University of Nebraska State Museum: Mammalogy Papers

Distributional patterns of mammals in South Dakota are among the most poorly known for any region of similar size in temperate North America. The only state-wide treatment of the group was the mimeographed compilation by Over and Churchill (1945), which consisted mostly of nontechnical anecdotes. Consequently, much of what is known of the distribution of South Dakotan mammals has been derived from localized inventories (Findley 1956a on Clay County ; Andersen and Jones 1971 on Harding County; Turner 1974 on the Black Hills; and Wilhelm et al. 1981 on Lacreek National Wildlife Refuge in Bennett County). These studies, supplemented with …


An Analysis Of Migration Schedules Of Passerine Birds In Nebraska, Paul A. Johnsgard Sep 1980

An Analysis Of Migration Schedules Of Passerine Birds In Nebraska, Paul A. Johnsgard

Nebraska Bird Review

An Analysis of Migration Schedules of Passerine Birds in Nebraska

The format of this paper follows my earlier one on non·passerine species (NBR 48:26-36). Eastern Kingbird. Seventy-three initial spring sightings range from 24 March to 29 May with a median of 3 May. Half of the records fall within the period 1-7 May. The range of 126 final fall sightings is from 4 August to 14 October, with a median of 9 September. Half of the records fall within the period 116 September.

Western Kingbird. The range of 117 initial spring sightings is from 30 April to 26 May, …


1979 Nebraska Nesting Survey, Esther V. Bennett Sep 1980

1979 Nebraska Nesting Survey, Esther V. Bennett

Nebraska Bird Review

Data on the 1979 nesting season were received from 3 observers, reporting on 19 species from 9 counties. Thirteen species were reported on 53 North American Nest·Record Cards. The counties, with the column numbers on the tabulation shown in parentheses, and the contributors were Dawes (3) RA Lock; Douglas (8) RG. Cortelyou; Frontier (7) RA Lock; Keith (5) RA Lock; Lincoln (6) RA Lock; Morrill (4) RA Lock; Sarpy (9) R.G. Cortelyou; Scotts Bluff (2) AM. Kenitz; Sioux (1) RA Lock. Ross a Lock contributed 32 cards and Alice M. Kenitz 20 cards.


Whole Issue Nebraska Bird Review (September 1980) 48(3) Sep 1980

Whole Issue Nebraska Bird Review (September 1980) 48(3)

Nebraska Bird Review

Table of Contents

An Analysis of Migration Schedules of Passerine Birds in Nebraska ...............46

Birds of an Agricultural Community ...............58

1979 Nebraska Nesting Survey............... 67

Notes ...............68


Notes [September 1980], David W. Menke Sep 1980

Notes [September 1980], David W. Menke

Nebraska Bird Review

DESOTO NWR RECORDS. First recorded observations of six species of birds were made at DeSoto NWR in 1979:

1. Snowy Egret. Seen 10 May in the old Missouri River channel marsh in Harrison Co., Iowa (about 300 yards from the Iowa-Nebraska boundary line). Observer, D. Menke.
2. Hungarian Partridge. Small flock seen 20 and 28 January in the fields near the Refuge's west boundary in Harrison Co., Iowa. Observer, D. Knauer.
3. Worm-eating Warbler. Seen 28 May on the Cottonwood Nature Trail (heavily wooded area) in Washington Co., Nebraska. Observer, D. Menke.
4. Northern Parula. Seen 22 April on the …


Results Of The Alcoa Foundation-Suriname Expeditions. 1. A New Species Of Bat Of The Genus Tonatia (Mammalia: Phyllostomatidae), Hugh H. Genoways, Stephen L. Williams Jul 1980

Results Of The Alcoa Foundation-Suriname Expeditions. 1. A New Species Of Bat Of The Genus Tonatia (Mammalia: Phyllostomatidae), Hugh H. Genoways, Stephen L. Williams

University of Nebraska State Museum: Mammalogy Papers

new species of the phyllostomatine genus Tonatia is described from Suriname. The species is characterized by medium size, the presence of small wart-like granulations of the dorsal surfaces of the forearm, digits, and hind limbs and on the ears and noseleaf, and possessing a unique karyotype. Two specimens of the species were taken in the rainforests of central Suriname.


Results Of The Alcoa Foundation-Suriname Expeditions. Ii. Additional Records Of Bats (Mammalia: Chiroptera) From Suriname, Stephen L. Williams, Hugh H. Genoways Jul 1980

Results Of The Alcoa Foundation-Suriname Expeditions. Ii. Additional Records Of Bats (Mammalia: Chiroptera) From Suriname, Stephen L. Williams, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The occurrence of 14 species of bats previously unknown in Suriname are documented, making a total of 85 species of bats known to occur in the country. The new records include Pteronotus personatus, Chrotopterus auritus, Micronycteris daviesi, M. sylvestris, Phyllostomus latifolius, Choeroniscus godmani, C. intermedius, Lionycteris spurrelli, Mesophylla macconnelli, Vampyressa brocki, Vampyrops brachycephalus, Rhogeessa tumida, Molossops abrasus, and M. greenhalli. Additional information is provided on several species of bats already known to occur in Suriname, including Micronycteris minuta, M. nicefori, Phylloderma stenops, Tonatia …


Results Of The Alcoa Foundation-Suriname Expeditions. Iii. Chromosomal Data For Bats (Mammalia: Chiroptera) From Suriname, Rodney L. Honeycutt, Hugh H. Genoways, Robert J. Baker Jul 1980

Results Of The Alcoa Foundation-Suriname Expeditions. Iii. Chromosomal Data For Bats (Mammalia: Chiroptera) From Suriname, Rodney L. Honeycutt, Hugh H. Genoways, Robert J. Baker

University of Nebraska State Museum: Mammalogy Papers

Standard karyotypic data are presented for 28 species involving 98 specimens. The karyotype of Micronycteris sylvestris, M. daviesi, Phyllostomus latifolius, and Tonatia schulzi are reported for the first time. Chromosomal variation is described for Rhinophylla pumilio and Rhogeessa tumida. Karyotypes for the other species examined were like those previously described in the literature.


Correction To 1979 Fall Occurrence Report Jun 1980

Correction To 1979 Fall Occurrence Report

Nebraska Bird Review

In the Garden Co. column in the 1979 Fall Occurrence Report Common Goldeneye, Common Merganser, Common Flicker, and Cedar Waxwing were listed with a single date only. Each should have shown "_W" also, since they did stay past 31 December, although they left before the winter was over. Also Bald Eagle, Turkey, Rock Dove, and Starling should have shown a * to indicate that they did winter in the county, although not on the Refuge.


An Analysis Of Migration Schedules Of Non-Passerine Birds In Nebraska, Paul A. Johnsgard Jun 1980

An Analysis Of Migration Schedules Of Non-Passerine Birds In Nebraska, Paul A. Johnsgard

Nebraska Bird Review

AN ANALYSIS OF MIGRATION SCHEDULES OF NON-PASSERINE BIRDS IN NEBRASKA

One of the major components of the Nebraska Bird Review since its inception has been the annual spring migration and occurrence report, and in more recent years the fall occurrence report has become equally important. Yet, other than an uncompleted effort by W.F. Rapp, Jr. to summarize the first 25 years of spring migration data, these records apparently have not been analyzed by anyone. Part of the problem is the sheer mass of data to be assimilated, and a second issue is the question of how to classify certain species, …


Book Review [June 1980] Jun 1980

Book Review [June 1980]

Nebraska Bird Review

A Preliminary List of the Birds of Nebraska and Adjacent States, Paul A. Johnsgard, vi +119 + 37 pages of maps, mimeographed, paperbound, indexed. Privately printed, $5.00 (plus $1.00 postage). Available from Dr. Paul A. Johnsgard, School of Life Sciences, University of Nebraska - Lincoln, Lincoln, Nebraska 68588.

This book grew out of the work for Dr. Johnsgard's Birds of the Great Plains. and includes range maps from that book, and at the end of the Nebraska list short notes on birds reported from the Dakotas, Kansas, and Oklahoma, but which are not on the Nebraska list. For Nebraska …


Whole Issue Nebraska Bird Review (June 1980) 48(2) Jun 1980

Whole Issue Nebraska Bird Review (June 1980) 48(2)

Nebraska Bird Review

TABLE OF CONTENTS

An Analysis of Migration Schedules of Non-passerine Birds in Nebraska .......................26

Book Review .......................37

The Seventy-ninth Annual Meeting .......................37

Correction to 1979 Fall Occurrence Report .......................39

1978 Nebraska Nesting Survey .......................39

Notes .......................44


Annotated Checklist Of Mammals Of Nebraska, J. Knox Jones Jr., Jerry R. Choate Jun 1980

Annotated Checklist Of Mammals Of Nebraska, J. Knox Jones Jr., Jerry R. Choate

University of Nebraska State Museum: Mammalogy Papers

Since the completion nearly 20 years ago of the manuscript on a distributional and taxonomic study of the mammals of Nebraska (Jones, 1964), numerous changes in nomenclature resulting from systematic studies have occurred. Additionally, five species of mammals (two bats, two shrews, and an armadillo) have been recorded as new to the state in the past few years, and one bat species (Myotis evotis) has been dropped from the list. Because scientists, conservation officials, environmental agencies, nature students, and others find up-to-date checklists of considerable use, particularly in connection with field work, we have revised the list of …


1978 Nebraska Nesting Survey, Esther V. Bennett Jun 1980

1978 Nebraska Nesting Survey, Esther V. Bennett

Nebraska Bird Review

Data on the 1978 nesting season in Nebraska were receivead from 17 observers, reporting on 71 species from 27 counties. Counties in the tabulation are listed in a west to east order, with the northernmost of approximately equal locations given first. Numbers represent Nest-Record Cards. Letters are from the NOU Nesting Report forms: Y represents young observed; F represents carrying food; and N represents nests for which no Nest-Record Card was submitted. Fifty·one species were reported on 187 North American Nest·Record Cards. The counties, with the column numbers on the tabulation shown in parentheses, and the contributors, were: Adams (20) …


An Analysis Of Migration Schedules Of Non-Passerine Birds In Nebraska, Paul A. Johnsgard Jun 1980

An Analysis Of Migration Schedules Of Non-Passerine Birds In Nebraska, Paul A. Johnsgard

Nebraska Bird Review

One of the major components of the Nebraska Bird Review since its inception has been the annual spring migration and occurrence report, and in more recent years the fall occurrence report has become equally important. Yet, other than an uncompleted effort by W. F. Rapp, Jr. to summarize the first 25 years of spring migration data, these records apparently have not been analyzed by anyone. Part of the problem is the sheer mass of data to be assimilated, and a second issue is the question of how to classify certain species, for the analysis of a winter visitor required different …


Notes [June 1980], Ben G. Ohlander Jun 1980

Notes [June 1980], Ben G. Ohlander

Nebraska Bird Review

GYRAFALCONS, PRAIRIE FALCONS. Of great interest are reports again this season of Gyrafalcons in Nebraska. At least three confirmed sightings were reported by knowledgeable individuals. First, Gary and Jackie Ohman, of Battle Creek, sighted an immature gray phase male Gyrafalcon about 3 miles west of Thedford, Thomas Co., on 25 September 1979. On 11 November 1979 I observed an immature male gray phase Gyrafalcon about 12 miles southwest of Minden, Kearney Co. I was able to approach as close as20 feet from the bird in my car. Athird reported sighting occurred in early December 1979 about 4 miles west of …


Notes- Nebraska Bird Review (June 1980), Ben G. Ohlander Jun 1980

Notes- Nebraska Bird Review (June 1980), Ben G. Ohlander

Nebraska Bird Review

NOTES

GYRAFALCONS, PRAIRIE FALCONS. Of great interest are reports again this season of Gyrafalcons in Nebraska. At least three confirmed sightings were reported by knowledgeable individuals. First, Gary and Jackie Ohman, of Battle Creek, sighted an immature gray phase male Gyrafalcon about 3 miles west of Thedford, Thomas Co., on 25 September 1979. On 11 November 1979 I observed an immature male gray phase Gyrafalcon about 12 miles southwest of Minden, Kearney Co. Iwas able to approach as close as 20 feet from the bird in my car. Athird reported sighting occurred in early December 1979 about 4 miles west …


The Seventy-Ninth Annual Meeting Jun 1980

The Seventy-Ninth Annual Meeting

Nebraska Bird Review

The Seventy-ninth Annual Meeting was held at the 4-H Camp in the Bessey Division of the Nebraska National Forest, near Halsey, 17 and 18 May, 1980. The attendance at this meeting was 73, compared to "seventy-odd" at the 1973 meeting and 87 at the 1970 meeting, both held at the Camp. The formal program, which was held to a minimum to maximize the time available for birding consisted of demonstrations of bird banding by Hazel and Fitzhugh Diggs of Hamburg, Iowa, and Ruth Green of Bellevue, and at the annual banquet a slide-illustrated talk by David Griffiths, of Pueblo, Colorado, …


The Section Of Mammals Of Carnegie Museum Of Natural History, Hugh H. Genoways, Duane A. Schlitter Jun 1980

The Section Of Mammals Of Carnegie Museum Of Natural History, Hugh H. Genoways, Duane A. Schlitter

University of Nebraska State Museum: Mammalogy Papers

The Section of Mammals at Carnegie Museum of Natural History is responsible for the care of the collections of Recent mammals, and research on these collections. "Recent mammals?!" The capitalized word "Recent" refers to the geological time period since the last ice age (about 10,000 years ago) until the present time. Mammals are that group of animals characterized by the presence of hair at least during some time of their lives, warm blood, and the production of milk. Therefore, our work really involves living mammals with which everyone is familiar; however, our work also does include study of such recently …