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Hexapod Herald - Vol. 10, No. 9, December 31, 1998
Hexapod Herald - Vol. 10, No. 9, December 31, 1998
Hexapod Herald and Other Entomology Department Newsletters
Grants
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Search For Higgs Bosons Produced In Association With A Vector Boson In Pp̅ Collisions At √S = 1.8 Tev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Search For Higgs Bosons Produced In Association With A Vector Boson In Pp̅ Collisions At √S = 1.8 Tev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Kenneth Bloom Publications
We search for Higgs bosons produced in association with a massive vector boson in 91 ± 7 pb-1 of pp̅ collisions at √s =1.8 TeV recorded by the Collider Detector at Fermilab. We assume the Higgs scalar H0 decays to a bb̅ pair with branching ratio β, and we consider the hadronic decays of the vector boson V (W or Z). Observations are consistent with background expectations. We place 95% confidence level upper limits on σ (pp̅→H0V) β as a function of the scalar mass (MH0) …
Search For The Decays BS0,BD0 → E±Μ± And Pati-Salam Leptoquarks, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Search For The Decays BS0,BD0 → E±Μ± And Pati-Salam Leptoquarks, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Kenneth Bloom Publications
We have searched for the decays Bs0→ e±μ± and Bd0 → e±μ± using a 102 pb-1 data sample of pp̅ collisions at √s =1.8 TeV collected with the Collider Detector at Fermilab. We set upper limits on the branching fractions of Ɓ(Bs0 → e±μ±) < 6.1(8.2) X 10-6 and Ɓ(Bd0 → e±μ±) < 3.5(4.5) X 10-6 at 90(95)% confidence level. Using these limits, we set lower bounds on the corresponding Pati-Salam leptoquark masses and find that MLQ(B …
Density Of Zeros On The Lee-Yang Circle Obtained From Magnetization Data Of A Two-Dimensional Ising Ferromagnet, Christian Binek
Density Of Zeros On The Lee-Yang Circle Obtained From Magnetization Data Of A Two-Dimensional Ising Ferromagnet, Christian Binek
Christian Binek Publications
In order to provide experimental access to the statistical theory of Lee and Yang [Phys. Rev. 87, 410 (1952)] the density function g(θ) of zeros on the Lee-Yang circle has been determined for the first time by analyzing isothermal magnetization data m(H) of the Ising ferromagnet FeCl2 in axial magnetic fields H at temperatures 34≤T≤99 K. The validity of our approach is demonstrated by the perfect agreement of magnetic specific heat data as calculated from g(θ) and m(H) via Maxwell's relation. Moreover, the correct in-plane exchange constant of FeCl2 emerges from the …
Parent Influences On Adolescent Peer Orientation And Substance Use: The Interface Of Parenting Practices And Values, Karen Bogenschneider, Ming-Yeh Wu, Marcela Raffaelli, Jenner C. Tsay
Parent Influences On Adolescent Peer Orientation And Substance Use: The Interface Of Parenting Practices And Values, Karen Bogenschneider, Ming-Yeh Wu, Marcela Raffaelli, Jenner C. Tsay
Department of Psychology: Faculty Publications
This study examines how experiences in the family domain may magnify or mitigate experiences in the peer domain, and how processes in both milieus may influence adolescent substance use. The data derived from 666 European American mother-adolescent dyads and 510 European American father-adolescent dyads. Consistent with individuation-connectedness theory, mothers’ responsiveness lessened their adolescents’ orientation to peers, which, in turn, reduced adolescent substance use. This process was moderated by maternal values regarding adolescent alcohol use; that is, the relation of maternal responsiveness to adolescent substance use depended on the extent of maternal approval or disapproval of adolescent alcohol use. Among fathers, …
Fundamental And Magnetic-Hardening Studies Of Nanocrystalline And Naaocomposite Magnets, David J. Sellmyer, George C. Hadjipanayis
Fundamental And Magnetic-Hardening Studies Of Nanocrystalline And Naaocomposite Magnets, David J. Sellmyer, George C. Hadjipanayis
David Sellmyer Publications
In this project we study new nanocrystalline and nanocomposite structures that have high potential for permanent-magnet development. These materials, which can be synthesized to have either very high or intermediate coercivities, have many applications in electric power, transportation, and information-storage industries. There is great interest in further development of understanding and application of these materials. Following are brief discussions of recent research highlights for the present grant.
Experimental Observation Of Relativistic Nonlinear Thomson Scattering, Szu-Yuan Chen, Anatoly Maksimchuk, Donald Umstadter
Experimental Observation Of Relativistic Nonlinear Thomson Scattering, Szu-Yuan Chen, Anatoly Maksimchuk, Donald Umstadter
Donald Umstadter Publications
Classical Thomson scattering—the scattering of low-intensity light by electrons—is a linear process, in that it does not change the frequency of the radiation; moreover, the magnetic-field component of light is not involved. But if the light intensity is extremely high (~1018 Wcm–2), the electrons oscillate during the scattering process with velocities approaching the speed of light. In this relativistic regime, the effect of the magnetic and electric fields on the electron motion should become comparable, and the effective electron mass will increase. Consequently, electrons in such high fields are predicted to quiver nonlinearly, moving in figure-eight patterns …
Relativistic Nonlinear Optics, Phillip F. Schewe, Ben Stein, Donald P. Umstadter
Relativistic Nonlinear Optics, Phillip F. Schewe, Ben Stein, Donald P. Umstadter
Donald Umstadter Publications
Laser light is a convenient way of transporting both electric and magnetic fields. When an electron encounters light, however, it is usually the electric field that does the talking; the magnetic part of light is less influential since its effect on the electron is proportional to the electron's speed as a fraction of the speed of light (c). In new experiments at the University of Michigan this is all changed since the intensity of the laser light used is so great (a terawatt of power, compared to a milliwatt for a laser in a CD player) that the electrons in …
Rhodospirillum Rubrum Poly-Β-Hydroxyalkanoate Synthase, Thomas E. Clemente, Ganish M. Kishore, Timothy A. Mitsky, David M. Stark
Rhodospirillum Rubrum Poly-Β-Hydroxyalkanoate Synthase, Thomas E. Clemente, Ganish M. Kishore, Timothy A. Mitsky, David M. Stark
Center for Plant Science Innovation: Faculty and Staff Publications
Isolated DNA fragments encoding a Rhodospirillum rubrum (ATCC 25903) polyhydroxyalkanoate (PHA) synthase, or biologically functional equivalents thereof, are provided. Also provided is the deduced amino acid sequence of the R. rubrum PHA synthase. These molecules are useful in the production of PHAs in bacteria and plants.
Endangered And Threatened Wildlife And Plants; Final Rule To List The Topeka Shiner As Endangered
Endangered And Threatened Wildlife And Plants; Final Rule To List The Topeka Shiner As Endangered
Endangered Species Bulletin
The U.S. Fish and Wildlife Service determines the Topeka shiner (Notropis Topeka) to be an endangered species under the authority of the Endangered Species Act of 1973 (Act), as amended (16 U.S.C. 1531 et seq.). The Topeka shiner is a small fish presently known from small tributary streams in the Kansas and Cottonwood river basins in Kansas; the Missouri, Grand, Lamine, Chariton, and Des Moines river basins in Missouri; the North Raccoon and Rock river basins in Iowa; the James, Big Sioux and Vermillion river watersheds in South Dakota; and, the Rock and Big Sioux river watersheds in …
Recent Northern Records Of The Nine-Banded Armadillo (Dasypodidae) In Nebraska, Patricia W. Freeman, Hugh H. Genoways
Recent Northern Records Of The Nine-Banded Armadillo (Dasypodidae) In Nebraska, Patricia W. Freeman, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
Examination of the distribution of nine-banded armadillo in Nebraska reveals that these animals may be entering the state from two directions. The animals in Chase, Dundy, and Furnas counties appear to be closely associated with the Republican River and its tributaries and probably reached the state along these riparian habitats from northwestern Kansas and northeastern Colorado. Records in the central and eastern part of Nebraska are not closely tied to one river system. For the specimen from Ord to have followed watercourses, it would have needed to follow the Big or Little Blue rivers, crossed to the Platte River, and …
Events With A Rapidity Gap Between Jets In P̅P Collisions At √S = 630 Gev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Events With A Rapidity Gap Between Jets In P̅P Collisions At √S = 630 Gev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration
Kenneth Bloom Publications
We report a measurement of the fraction of dijet events with a rapidity gap between jets produced by color-singlet exchange in p̅p collisions at √s =630 GeV at the Fermilab Tevatron. In events with two jets of transverse energy ETjet > 8 GeV, pseudorapidity in the range 1.8 <|ηjet | < 3.5 and η1 η2 < 0, the color-singlet exchange fraction is found to be R=[2.7 ± 0.7(stat) ± 0.6(syst)]%. Comparisons are made with results obtained at √s =1800 GeV and with theoretical expectations.
The Race Race In Black And White: The 1995 Louisiana Gubernatorial Election, Byron D. Orey
The Race Race In Black And White: The 1995 Louisiana Gubernatorial Election, Byron D. Orey
Department of Political Science: Faculty Publications
This analysis marks the first time that the black threat thesis posited in 1949 by V. 0. Key, Jr. has been examined by employing a black versus white head-to-head election. This study tests the black threat thesis in the 1995 Louisiana gubernatorial run-off election. The unit of analysis is the parish (same as county) and the primary data sources used in this analysis include election returns by parish, turnout data by race by parish and demographic and socio-economic variables for parishes taken from the United States Census. The findings are consistent with Key's black threat hypothesis. White support for the …
Optimization Of Temperature-Glycerol -Ph Conditions For Fed-Batch Fermentation Process For Recombinant Hookworm (Ancylostoma Caninurn) Anticoagulant Peptide (Acap-5) Production By Pichia Pastoris, Mehmet Inan, Vijay Chiruvolu, Kent M. Eskridge, George P. Vlasuk, Kenneth Dickerson, Scott Brown, Michael M. Meagher
Optimization Of Temperature-Glycerol -Ph Conditions For Fed-Batch Fermentation Process For Recombinant Hookworm (Ancylostoma Caninurn) Anticoagulant Peptide (Acap-5) Production By Pichia Pastoris, Mehmet Inan, Vijay Chiruvolu, Kent M. Eskridge, George P. Vlasuk, Kenneth Dickerson, Scott Brown, Michael M. Meagher
Papers in Biochemical Engineering
This study was undertaken to determine the optimum pH, temperature and glycerol feed rate for the production of recombinant hookworm (Ancylostoma caninum) anticoagulant peptide (rAcAP-5) by Pichia pastoris using response surface methodology (RSM). A central composite design was used as an experimental design for allocation of treatment combinations in three blocks. The variables selected for study were pH, temperature and glycerol feed rate. pH was the most important variable affecting yield, specific yield and specific activity of rAcAP-5. Glycerol feed rate had a significant effect on the specific activity of rAcAP-5 (% of total secreted protein) while temperature did not …
Steps Toward Determination Of The Size And Structure Of The Broad-Line Region In Active Galactic Nuclei. Xiii. Ultraviolet Observations Of The Broad-Line Radio Galaxy 3c 390.3, Paul T. O'Brien, M. Dietrich, K. Leighly, D. Alloin, J. Clavel, D. Michael Crenshaw, K. Horne, G. A. Criss, Julian Henry Krolik, Matthew A. Malkan, Hagai Netzer, Bradley M. Peterson, G. A. Reichert, P. M. Rodriguez-Pascual, W. Wamsteker, K. S.J. Anderson, N. G. Bochkarev, F.-Z. Cheng, A. V. Filippenko, C. Martin Gaskell, I. M. George, M. R. Goad, L. C. Ho, Shai Kaspi, W. Kollatschny, Kirk T. Korista, G. Macalpine, D. Marlow, P. G. Martin, S. L. Morris, Richard William Pogge, B. C. Qian, M. C. Recondo-Gonzalez, J. M. Rodriguez Espinosa, M. Santos-Lleo, A. I. Shapovalova, J. M. Shull, G. M. Stirpe, W.-H. Sun, T. J. Turner, R. Vio, S. Wagner, I. Wanders, K. A. Wills, H. Wu, S. J. Xue, Z.-L. Zou
Steps Toward Determination Of The Size And Structure Of The Broad-Line Region In Active Galactic Nuclei. Xiii. Ultraviolet Observations Of The Broad-Line Radio Galaxy 3c 390.3, Paul T. O'Brien, M. Dietrich, K. Leighly, D. Alloin, J. Clavel, D. Michael Crenshaw, K. Horne, G. A. Criss, Julian Henry Krolik, Matthew A. Malkan, Hagai Netzer, Bradley M. Peterson, G. A. Reichert, P. M. Rodriguez-Pascual, W. Wamsteker, K. S.J. Anderson, N. G. Bochkarev, F.-Z. Cheng, A. V. Filippenko, C. Martin Gaskell, I. M. George, M. R. Goad, L. C. Ho, Shai Kaspi, W. Kollatschny, Kirk T. Korista, G. Macalpine, D. Marlow, P. G. Martin, S. L. Morris, Richard William Pogge, B. C. Qian, M. C. Recondo-Gonzalez, J. M. Rodriguez Espinosa, M. Santos-Lleo, A. I. Shapovalova, J. M. Shull, G. M. Stirpe, W.-H. Sun, T. J. Turner, R. Vio, S. Wagner, I. Wanders, K. A. Wills, H. Wu, S. J. Xue, Z.-L. Zou
C. Martin Gaskell Publications
As part of an extensive multi-wavelength monitoring campaign, the International Ultraviolet Explorer satellite was used to observe the broad-line radio galaxy 3C 390.3 during the period 1994 December 31-1996 March 5. Spectra were obtained every 6È10 days. The UV continuum varied by a factor of 7 through the campaign, while the broad emission lines varied by factors of 2È5. Unlike previously monitored Seyfert 1 galaxies, in which the X-ray continuum generally varies with a larger amplitude than the UV, in 3C 390.3 the UV continuum light curve is similar in both amplitude and shape to the X-ray light curve observed …
Static-Electric-Field-Induced, High-Energy Plateau For Scattered X-Ray Photons In Laser-Assisted, X-Ray–Atom Scattering, Dejan B. Miloševic, Anthony F. Starace
Static-Electric-Field-Induced, High-Energy Plateau For Scattered X-Ray Photons In Laser-Assisted, X-Ray–Atom Scattering, Dejan B. Miloševic, Anthony F. Starace
Anthony F. Starace Publications
We consider scattering of x rays by H atoms in the presence of both a linearly polarized laser field and a static electric field. Results for the differential cross section as a function of the number of photons n exchanged with the laser field are presented. For x-ray–atom scattering in the presence of a 1014 W/cm2 laser field the differential cross section has a plateau only for emitted photons (n<0). Adding a static electric field gives rise to an extended plateau for absorbed photons (n>0), indicating a substantial increase of the scattered x-ray energies. We present a quasiclassical explanation of these results.
Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow
Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Water Current, Volume 30, No. 6, December 1998
Water Current, Volume 30, No. 6, December 1998
Water Current Newsletter
Additional Research Shows Promise for Buffer Strips
From the Director: Testing Your Drinking Water; Drinking Water Tabloid Suggestions; USGS RFPs
Planning Nebraska's Water Future
Where Do You Get Your Water From?
Recycling Program Collects 49 Tons of Plastic
Lingle Earns Extension Wildlife Award
Laundry Disk ClaimsDon't Hold Water
Seminars Spotlight Latest in Water Research
Nation's Water Use Down, USGS Says
Water News Briefs
Agronomy Society Lauds Website
Free Wetlands Tabloid
Franti Earns Research Award
Looking for Ideas
Ben Nelson Service Award
Great Plains Research Articles
Assessing the Impact of Waste Lagoons on Groundwater
Parasitism Of Greenbugs (Homoptera: Aphididae) By Lysiphlebus Testaceipes (Hymenoptera: Braconidae) In Grain Sorghum: Implications For Augmentative Biological Control, Odair A. Fernandes, Robert J. Wright, Z. B. Mayo
Parasitism Of Greenbugs (Homoptera: Aphididae) By Lysiphlebus Testaceipes (Hymenoptera: Braconidae) In Grain Sorghum: Implications For Augmentative Biological Control, Odair A. Fernandes, Robert J. Wright, Z. B. Mayo
Department of Entomology: Faculty Publications
Field cage studies were conducted to describe the relationship between the percentage of Lysiphlebus testaceipes (Cresson) parasitism (as measured by aphid mummies) and densities of greenbug, Schizaphis graminum Rondani, on grain sorghum, Sorghum bicolor L. In 1993 and 1994, a biotype E-susceptible grain sorghum hybrid was grown in field cages and L. testaceipes adults were released after each plant was infested with 20 biotype E greenbugs. The release rates were 0, 0.5, 1.0, and 2.0 wasps per plant in 1993, and 0, 0.16, 0.33, and 0.5 wasps per plant in 1994. Greenbugs and mummies were counted 1-2 times a week …
Effects Of Food Deprivation, Age, Time Of Day, And Gamma Irradiation On Attraction Of Mexican Fruit Flies (Diptera: Tephritidae) To Two Synthetic Lures In A Wind Tunnel, David C. Robacker
Effects Of Food Deprivation, Age, Time Of Day, And Gamma Irradiation On Attraction Of Mexican Fruit Flies (Diptera: Tephritidae) To Two Synthetic Lures In A Wind Tunnel, David C. Robacker
Entomology Papers from Other Sources
The physiological condition of Mexican fruit flies, Anastrepha ludens (Loew), affected their attraction to 2 similar but qualitatively different synthetic lures in wind-tunnel bioassays. The 2 lures were BioLure (ammonium acetate and putrescine) and AMPu (ammonium carbonate, methylamine HCI, and putrescine) . Effects of food deprivation on attraction to the lures were smaller than the effects of sex, time of day, and irradiation. Sugar-fed, protein-starved flies were attracted more strongly than other hunger-status groups to the lures. Sugar-starved, protein-starved females were less responsive than other groups of females to AMPu. Protein-starved males were more responsive than protein-fed males to BioLure. …
Morphine-Conditioned Changes In Locomotor Activity: Role Of The Conditioned Stimulus, Rick A. Bevins, Michael T. Bardo
Morphine-Conditioned Changes In Locomotor Activity: Role Of The Conditioned Stimulus, Rick A. Bevins, Michael T. Bardo
Department of Psychology: Faculty Publications
When a multisensory environment was reliably paired with morphine (2 mg/kg) in rats, that environment, in a drug-free test, evoked a hyperactive conditioned response (CR). When an olfactory cue (banana odor) was the only stimulus element reliably paired with morphine, it also elicited a hyperactive CR. However, a gustatory cue (saccharin solution) evoked a hypoactive CR. This taste-elicited decrease in activity was dose dependent; morphine at 2 and 4 mg/kg conditioned hypoactivity, whereas a higher dose (8 mg/kg) did not. A robust conditioned saccharin aversion occurred only at the highest dose of morphine, suggesting disassociation between the hypoactive CR and …
Acuta Enews December 1998, Vol.27, No. 12
Acuta Enews December 1998, Vol.27, No. 12
ACUTA Newsletters
In This Issue
Increase in PICC Charges Delayed
Looking for Answers in '99
Overheard on the Listserve
411 Newsletter Salary Survey
Beefing Up User Support on Campus
Board Report
DC at a Glance
Positions Available
Welcome New Members
Two New Nymphalidae From Western North Carolina: New Subspecies Of Speyeria Aphrodite And Phyciodes Batesii, Ronald R. Gatrelle
Two New Nymphalidae From Western North Carolina: New Subspecies Of Speyeria Aphrodite And Phyciodes Batesii, Ronald R. Gatrelle
The Taxonomic Report of the International Lepidoptera Survey
Two new subspecies are described from Macon County, North Carolina, United States. Speyeria aphrodite cullasaja is characterized by dorsal melanism, especially in females, by usually lacking the dorsal FW basal spots in cell Cu1 and Cu2, and by a narrowed buff marginal band on the ventral HW (sometimes absent in females). Phyciodes batesii maconensis males are characterized by wholly yellow ventral hind wings devoid of any dark marginal dusting or whitish crescents; and females occasionally possessing, lightly dusted, brown margins and rarely having a silvered marginal ventral HW spot. PPhyciodes batesii maconensis larvae are gregarious Aster feeders. Females are …
Masthead And Table Of Contents [December 1998]
Masthead And Table Of Contents [December 1998]
Nebraska Bird Review
The Nebraska Bird Review is published quarterly by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $14.00 in the United States; $18.00 for all foreign countries, payable in advance. Single copies are $4.00 each, postpaid, in the United States, and $5.00 elsewhere. Send orders for back issues to Mary Lou Pritchard, NOU Librarian, University of Nebraska State Museum, Lincoln, NE 68588-0514.
Memberships in NOU (on a calendar year basis only): Active, $15.00; Sustaining, $25.00; Student, $10.00; Family Active, $20.00; Family Sustaining,$30.00; …
Nebraska Bird Review (December 1998) 66(4), Whole Issue
Nebraska Bird Review (December 1998) 66(4), Whole Issue
Nebraska Bird Review
In Memorium: Harvey L. Gunderson … 114
Parasitic Jaeger at Lake McConaughy … 114
Endemicity and Regional Biodiversity in Nebraska's Breeding Avifauna … 115
Fall Field Report: Introduction … 121
Fall Field Report: Species Accounts … 123
1997 (Ninth) Report of the NOU Records Committee … 147
Bird Banding Notes … 159
Index for Volume 66 … 160
1997 (9th) Report Of The Nou Records Committee, Mark A. Brogie
1997 (9th) Report Of The Nou Records Committee, Mark A. Brogie
Nebraska Bird Review
The functions and methods of the NOU Records Committee are described in its bylaws (NOU Records Committee 1986). The committee's purpose is to provide a procedure for documenting unusual bird sightings and to establish a list of all documented birds for Nebraska. THE OFFICIAL LIST OF THE BIRDS OF NEBRASKA was first published in 1988 (NOU Records Committee 1988) and has been appended seven times (Mollhoff 1989, Grenon 1990, 1991, Gubanyi 1996a, 1996b, 1996c, Brogie 1997). An update of THE OFFICIAL LIST OF THE BIRDS OF NEBRASKA was last published in 1997 (NOU Records Committee 1997).
This report includes all …
Bird Banding Notes From Ruth Green, Ruth Green
Bird Banding Notes From Ruth Green, Ruth Green
Nebraska Bird Review
On 29 April 1998, while working with school children from the Chadron Public Schools, Ruth banded a Pine Siskin at Nebraska's Chadron State Park, Dawes County. Approximately seven and a half months later, on 12 December, this same bird was recovered beneath a feeder in Springfield, Oregon. The Pine Siskin was dead, perhaps a victim of disease sweeping the siskin population on the West Coast. This particular occurrence is noteworthy for the distance traveled both west and north.
The Summer Tanager pictured below was also banded by Betty. She banded the AHY-F (After Hatching Year, Female) Summer Tanager on 10 …
Fall Field Report, August To November 1998, W. Ross Silcock, Joel G. Jorgensen
Fall Field Report, August To November 1998, W. Ross Silcock, Joel G. Jorgensen
Nebraska Bird Review
Larry Einemann kindly pointed out that in the Spring Report all his sightings from Pioneer's Park should have been attributed to Wilderness Park at Pioneer's Boulevard (in Lincoln). Larry noted that Pioneer's Park is a manicured Lincoln city park which is not good for birds except for in the vicinity of the embedded Chet Ager Nature Center. This was my (WRS) error; personally I have trouble even finding the Wilderness Park entrances, let alone naming them properly!
Another correction! John Sullivan pointed out that the 2 Summer Tanagers at Indian Cave SP on 10 August, 1997, were not his sighting. …
In Memorium: Harvey L. Gunderson, Thomas E. Labedz
In Memorium: Harvey L. Gunderson, Thomas E. Labedz
Nebraska Bird Review
In Memorium: Harvey L. Gunderson
Dear Fellow Birders,
It is with deep regret that I inform you of the death of Harvey L. Gunderson on Tuesday, 23 February, 1999, in Minneapolis, Minnesota.
Harvey was born in Gary, Minnesota, on 11 June, 1913, and went On to become Associate Director Of the University Of Nebraska State Museum. Along the way, Harvey received a Bachelor’s Degree from Concordia College, Moorhead, MN, a Master's Degree from the University Of Minnesota and a Ph.D. from the University Of Michigan.
Harvey was a member Of American Society of Mammalogist (Harvey wrote a text book for …
Endemicity And Regiona[L] Biodiversity In Nebraska's Breedin[G] Avifauna, Paul A. Johnsgard
Endemicity And Regiona[L] Biodiversity In Nebraska's Breedin[G] Avifauna, Paul A. Johnsgard
Nebraska Bird Review
I estimate that 215 bird species currently breed or have previously bred in Nebraska. This number compares with a total of 330 species that breed or have bred in the Great Plains region south of Canada, as I defined that region in my book on the breeding birds of the Great Plains (Johnsgard, 1979).
Grasslands or potential grasslands make up about 81 percent of the Great Plains' vegetation, and probably represented about 96 percent of Nebraska's original vegetation. Only in the Sandhills region is that vegetation type still essentially intact; the tall-grass prairie of eastern Nebraska is Virtually gone. In …