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Articles 5911 - 5940 of 6143

Full-Text Articles in Biodiversity

Bulletin No. 27: Birds Of Connecticut Salt Marshes - 50th Anniversary, James Stone, J. Susan Cole-Stone, William A. Niering Sep 1981

Bulletin No. 27: Birds Of Connecticut Salt Marshes - 50th Anniversary, James Stone, J. Susan Cole-Stone, William A. Niering

Bulletins

48 pp. 1981. Illustrations and descriptions of 24 birds commonly seen on our tidal marshes.


Proceedings Of 14th Conference Prairie Grouse Technical Council. September 23-25, 1981: Halsey, Nebraska Sep 1981

Proceedings Of 14th Conference Prairie Grouse Technical Council. September 23-25, 1981: Halsey, Nebraska

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

HOST: Nebraska Game and Parks Commission

INTRODUCTION - Jim Mitchell, Upland Game Specialist, Nebraska Game and Parks Commission (Conference Coordinator)

WELCOME - Bill Bailey, Assistant Director, Nebraska Game and Parks Commission

IN MEMORIAM — This publication is dedicated to Ken Robertson

THE NEBRASKA SANDHILLS - AN OVERVIEW, Jon Farrar, Nebraska Game and Parks Commission

PRAIRIE GROUSE IN THE SANDHILLS, Carl W. Wolfe, Nebraska Game and Parks Commission

GROUSE ON fflE BESSEY DIVISION NEBRASKA NATIONAL FOREST, Steve Marquardt, U.S. Forest Service

EXPERIMENTAL SHARP-TAILED GROUSE INTRODUCTIONS IN PENNSYLVANIA, John J. Kriz, Pennsylvania Game Commission

ANALYSIS OF GREATER PRAIRIE CHICKEN POPULATION AND HARVEST …


Results Of The Alcoa Foundation-Suriname Expeditions. V. Noteworthy Records Of Surinamese Mammals, Hugh H. Genoways, Stephen L. Williams, Jane A. Groen Jul 1981

Results Of The Alcoa Foundation-Suriname Expeditions. V. Noteworthy Records Of Surinamese Mammals, Hugh H. Genoways, Stephen L. Williams, Jane A. Groen

University of Nebraska State Museum: Mammalogy Papers

The occurrence of seven species of mammals previously unknown in Suriname is documented. The new taxa recorded include Didelphis albiventris, Peropteryx macrotis, Lonchorhina aurita, Micronycteris hirsuta, Vampyrodes caraccioli, Furipterus horrens, and Thyroptera discifera . Additional information is provided on several species already known to occur in Suriname, including Metachirus nudicaudatus, Peronymus leucopterus, Mimon bennettii, Tonatia carrikeri, T. schulzi, Anoura geoffroyi, Choerniscus intermedius, Mesophylla macconnelli, Neaeomys guianae, Holochilus brasiliensis, and Potos fiavus.


Results Of The Alcoa Foundation-Suriname Expeditions. Vi. Additional Chromosomal Data For Bats (Mammalia: Chiroptera) From Suriname, Robert J. Baker, Hugh H. Genoways, Paisley A. Seyfarth Jul 1981

Results Of The Alcoa Foundation-Suriname Expeditions. Vi. Additional Chromosomal Data For Bats (Mammalia: Chiroptera) From Suriname, Robert J. Baker, Hugh H. Genoways, Paisley A. Seyfarth

University of Nebraska State Museum: Mammalogy Papers

As part of ongoing studies of the bats of Suriname, karyotypic information is presented for seventeen species. Chromosomal data are presented for the first time for Peronymus leucopterus, Peropteryx macrotis, Mimon bennettii, Artibeus concolor, Furipterus horrens, and Thyroptera discifera. Additional chromosomal data are presented for eleven other species of bats for which some information was available previously.


Deer Social Organization And Wolf Predation In Northeastern Minnesota, Michael E. Nelson, L. David Mech Jul 1981

Deer Social Organization And Wolf Predation In Northeastern Minnesota, Michael E. Nelson, L. David Mech

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

The white-tailed deer Odocoileus virginianus has been subject to intensive research and management, yet we are just beginning to understand its social organization. Little is known about home range formation, migration, social bonds, and traditions in this deer, what functions they serve, and what selective forces have affected them.

Predation by wolves Canis lupus, in particular, has not been examined as a factor in deer evolution, yet the intimate interactions between deer and wolf through the millennia no doubt strongly influenced major morphological and behavioral adaptations in both species. It is a reasonable assumption that wolf predation has been …


Reproduction In A Nebraska Sandhills Population Of The Northern Prairie Lizard Sceloporus Undulatus Garmani, Royce E. Ballinger, Dale L. Droge, Steven M. Jones Jul 1981

Reproduction In A Nebraska Sandhills Population Of The Northern Prairie Lizard Sceloporus Undulatus Garmani, Royce E. Ballinger, Dale L. Droge, Steven M. Jones

Papers in Herpetology

The reproductive cycle of Sceloporus undulatus was studied in western Nebraska. Females mature in the 1st year following hatching at a size of 45 mm SVL. Two clutches averaging 5.5 eggs each are produced. Egg sizes are similar to other grassland populations and contain approximately 650 g-cal. per egg. Egg weight to body weight ratios of 0.33 were the highest which have been reported for any S. undulatus population. Variation in life history characteristics within and between grassland and eastern woodland habitat types are explicable given a knowledge of the growing season, predation intensity and demographic environment.


Rare Vascular Plants Of Maine : A Critical Areas Program Report, Susan C. Gawler, L. M. Eastman Jun 1981

Rare Vascular Plants Of Maine : A Critical Areas Program Report, Susan C. Gawler, L. M. Eastman

Maine Collection

Rare Vascular Plants of Maine : A Critical Areas Program Report

Based on Rare Vascular Maine Plants (1978) with Additional Herbarium Data and Rare Plants Information by L.M. Eastman.

Introduction, Criteria, Annotated Rare Plant List, Species Accounts, Additional Herbarium Data, County & Town Index Editing by Susan C. Gawler.

Executive Department, State Planning Office, 189 State Street, Augusta, Maine, 04333 (June 1981).

Contents: Acknowledgements / List of Tables / List of Figures / Part One: Introduction / Part Two: List of the Rare Vascular Plants of Maine / Part Three: Species Accounts / Part Four: Subspecific Taxa / Appendices / …


The Agriculture And Land Description Of The Midlands, Wongan Hills And Dalwallinu Districts Of W.A., D N. Sawkins Jun 1981

The Agriculture And Land Description Of The Midlands, Wongan Hills And Dalwallinu Districts Of W.A., D N. Sawkins

Agriculture reports

This report deals with the area of responsibility of the Moora District Office of the W.A. Department of Agriculture. The Moora advisory district consists of seven shires which cover 2,811,400 hectares. Agriculture in the advisory district varies according to climate and soil type, Sheep and cattle production are the main enterprises in the high rainfall (coastal) areas. Mixed cereal sheep production is the main system in the medium and low rainfall areas with cereals increasing in importance as annual rainfall diminishes.


Herpetofauna Of Mormon Island Preserve Hall County, Nebraska, Royce E. Ballinger, Steven M. Jones, J. W. Nietfeldt Jun 1981

Herpetofauna Of Mormon Island Preserve Hall County, Nebraska, Royce E. Ballinger, Steven M. Jones, J. W. Nietfeldt

Papers in Herpetology

Introduction: Studies of reptiles and amphibians in the grasslands of North America have primarily concerned the compilation of state faunal lists (e.g. Smith 1956, Hudson 1942, Webb 1970, Wheeler and Wheeler 1966). There have been a large number of reports on range extensions to augment this basic data. With the exception of the extensive studies by Fitch (1954, 1956, 1958, 1960, 1963) primarily on reptiles and Bragg (1940a, 1940b, 1943, 1953) primarily on anurans, the ecology of the herpetiles of the grasslands are not well studied. Lynch (1978) provided an excellent analysis of the ecological distributions of the leopard frogs …


The Prairie Naturalist Volume 13, Number 2. June 1981 Jun 1981

The Prairie Naturalist Volume 13, Number 2. June 1981

The Prairie Naturalist

HERPETOFAUNA OF MORMON ISLAND PRESERVE, HALL COUNTY, NEBRASKA ▪ S. M. Jones, R. E. Ballinger and J. W Nietfeldt

COYOTE USE OF PLAYAS IN THE TEXAS HIGH PLAINS ▪ R. W. Whiteside and F. S. Guthery

NEW RECORD OF THE LEAST WEASEL IN WYOMING ▪ M. R. Stromberg, D. E. Biggens and M. Bidwell

STATUS OF AMERICAN WOODCOCK IN NEBRASKA WITH NOTES ON A RECENT BREEDING RECORD ▪ G. R. Lingle

WINTER FOODS OF THE PINE GROSBEAK IN EASTERN NORTH DAKOTA ▪ R. C. Reigh

SEASONAL VARIATION IN HOME RANGE OF A FEMALE BADGER (Taxidea taxus) ▪ R. …


The Prairie Naturalist Volume 13, Number 1. March 1981 Mar 1981

The Prairie Naturalist Volume 13, Number 1. March 1981

The Prairie Naturalist

EDITOR: Dr. Paul B. Kannowski

BOOK REVIEW EDITOR: Douglas H. Johnson

TABLE OF CONTENTS

WATERFOWL USE OF A MUNICIPAL SEWAGE LAGOON ▪ G-A. D. Maxson

MASS MORTALITY OF MUSSELS FROM SLUMPING ALONG THE RED LAKE RIVER NEAR CROOKSTON, MINNESOTA ▪ A. M. Cvancara, D. J. Brown, D. K. Cudworth, and T. R. Klett

CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA — 1980 ▪ R. N. Randall

BREEDING BIRDS ON WATERFOWL PRODUCTION AREAS IN NORTHEASTERN NORTH DAKOTA ▪ H. F. Duebbert

FURTHER EVIDENCE OF MARSH HAWKS FEEDING ON DUCKS ▪ R. A. Wishert, R. M. Kaminski, and D. W. Soprovich

FIRST NEST …


Observations On Bats From Trinidad, With A Checklist Of Species Occurring On The Island, Catherine H. Carter, Hugh H. Genoways, Robert S. Loregnard, Robert J. Baker Jan 1981

Observations On Bats From Trinidad, With A Checklist Of Species Occurring On The Island, Catherine H. Carter, Hugh H. Genoways, Robert S. Loregnard, Robert J. Baker

University of Nebraska State Museum: Mammalogy Papers

In their comprehensive treatment of the bats of Trinidad, Goodwin and Greenhall (1961) reported 58 species from the island. Subsequent authors (Goodwin and Greenhall, 1962, 1964; Genoways et al., 1973a; LaVal, 1973a, 1973b) have added some species to the list and changed the status of others so that the known chiropteran fauna of Trinidad now comprises 64 species: five emballonurids, one noctilionid, four mormoopids, 36 phyllostomids (see Handley, 1980, for family-group names), one natalid, one furipterid, one thyropterid, seven vespertilionids, and eight molossids. Among the phyllostomids, the subfamilies Phyllostominae (15) and Stenodermatinae (14) are the best represented, whereas only a …


Fisheries Report No 43 - A Pit Trap Survey Of Small Mammals, Lizards And Frogs On The Two Peoples Bay Nature Reserve, Stephen D. Hopper Jan 1981

Fisheries Report No 43 - A Pit Trap Survey Of Small Mammals, Lizards And Frogs On The Two Peoples Bay Nature Reserve, Stephen D. Hopper

Fisheries Research Reports

Ten pitlines were placed in open low woodlands near Moates Lake and in upland and coastal heathlands near Mount Gardner on Two Peoples Bay Nature Reserve during February 1980 and February 1981. The trapping program established that Common Dunnarts (Smitnthopsts murina) and Honey Possums (Tarstpes spencerae) were widespread in the reserve, and added three lizards and one frog to the list of vertebrates known to occur on the reserve.

Twenty mammals (15 native and 5 feral), four snakes, fifteen lizards, one tortoise and six frogs are now known on Iwo Peoples Bay Nature Reserve. They constitute a representative sample of …


The Leopard In Africa: Biological And Cultural Realities, Norman Myers Jan 1981

The Leopard In Africa: Biological And Cultural Realities, Norman Myers

International Journal for the Study of Animal Problems

The author comments on a proposal to change the leopard's status in Africa from endangered to threatened, which would open the leopard up to sport hunting. This proposed change would be a mistake, in the author's opinion. While the leopard still occurs in satisfactory numbers in some countries despite being rarely seen, its population is much lower than it could in other countries. The author notes that the real problem is not the species' biological status but the institutional, socio-cultural, and economic considerations. Wildlife conservation in Africa is challenging enough without the further complications that sport hunting brings.


The Coyote (Canis Latrans) In Panama, Eustorgio Mendez, Francisco Delgado, Demetrio Miranda Jan 1981

The Coyote (Canis Latrans) In Panama, Eustorgio Mendez, Francisco Delgado, Demetrio Miranda

International Journal for the Study of Animal Problems

This report reveals that the coyote, Canis Iatrans, has recently extended its southern range to Panama. The skin of one adult female coyote killed by hunters at Los Pirales, a farm near Gualaca in Chiriqui Province, western Panama, has been deposited in the Gorgas Memorial Laboratory Vertebrate Collection. In the same province, other coyotes have been observed in Alanje, Boquete, and Boqueron. The probable coyote range in Panama is indicated, and the need for an urgent management strategy for this canid in the Republic is also expressed.


Bibliographie Pflanzensoziologischer Arbeiten Über Die Mongolische Volksrepublik, Werner Hilbig Jan 1981

Bibliographie Pflanzensoziologischer Arbeiten Über Die Mongolische Volksrepublik, Werner Hilbig

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Zusammenfassung

Die Bibliographie enthält pflanzensoziologische und vegetationsökologische Veröffentlichungen aus dem Gebiet der Mongolischen Volksrepublik (MVR) von den zwanziger Jahren bis zum Jahre 1979. Es werden 217 Arbeiten zitiert. Der Großteil dieser Publikationen stammt aus der Feder sowjetischer Geobotaniker,


Tornadoes West Of The Divide: A Climatology, Richard P. Mcnulty Jan 1981

Tornadoes West Of The Divide: A Climatology, Richard P. Mcnulty

National Oceanographic and Atmospheric Administration: Technical Reports and Related Materials

A climatology of tornado occurrence west of the Continental Divide is presented. These tornadoes are a small but significant part of severe weather occurrences over the United States. Data are examined from both the spatial and temporal point of view. The influence of population and topography is highly evident.


Vorwort, Erforschung Biologischer Ressourcen Der Mongolischen Volksrepublik (1981) Band 1, Rudolf Schubert Jan 1981

Vorwort, Erforschung Biologischer Ressourcen Der Mongolischen Volksrepublik (1981) Band 1, Rudolf Schubert

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

First paragraph:

Seit 1967 besteht ein Freundschaftsvertrag zwischen der Staatsuniversität Ulan-Bator und der Martin-Luther-Universität Halle-Wittenberg, innerhalb dessen auch eine Zusammenarbeit auf dem Gebiet der Biowissenschaften ausgewiesen ist. Die gemeinsame Lösung von biologischen Forschungsproblemen stellt ein Kernstück der Freundschaftsbeziehungen zwischen beiden Universitäten dar. Es geht dabei vorwiegend um die Klärung ökologischer Fragen.


Stand Und Entwicklung Der Erforschung Der Flechten- Und Moosflora In Der Mongolischen Volksrepublik, Rudolf Schubert Jan 1981

Stand Und Entwicklung Der Erforschung Der Flechten- Und Moosflora In Der Mongolischen Volksrepublik, Rudolf Schubert

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

In Zusammenarbeit von sowjetischcn und mongolischen Bryologen werden gegenwärtig die in Leningrad befindlichen Aufsammlungen bearbeitet. Ergebnisse darüber sind in der Arbeit von ABRAMOVA und TSEGMED (1975) veröffentlicht. Ein umfangreicherer Beitrag zur Bryof1ora konnte durch die Bearbeitung der von W. SCHUBERT gesammelten 464 Moosproben aus den zentralen und westlichen Landschaften der MVR erbracht werden, Von R. SCHUBERT, W. SCHUBERT, und KOPERSKI wurden 1977 12 Leber- und 88 Laubmoosarten für diese Gebiete nachgewiesen. Weitere Nachweise stellen GROLLE, MEINUNGER, HILBIG und HUNECK (i. Dr.) zusammen. Es muß aber auch hier betont werden, daß damit nur ein erster Anfang zur Erforschung der Moosflora der …


Der Stand Der Hydrobiologischen Forschungen In Der Mongolischen Volksrepublik, Ayuur Dulmaa Jan 1981

Der Stand Der Hydrobiologischen Forschungen In Der Mongolischen Volksrepublik, Ayuur Dulmaa

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Die Entwicklung der Hydrobiologie in der MVR vollzog sich unter ständiger Orientierung an den volkswirtschaftlichen Interessen des Landes. Deshalb wurde neben grundlegenden Forschungen zu Fauna und Ökologie der Gewässer besonderes Gewicht auf die Akklimutisierung von Nutzfischen gelegt. Die dazu notwendigen Kenntnisse der hydrobiologisch bisher weitgehend unerforschten Seen der Mongolei erbrachten mehrjährige Expeditionen in verschiedenen Gebieten des Landes. Den gemeinsamen Biologischen Chövsgöl-Expeditionen der Universitäten Irkutsk und Ulan-Balor kommt dabei eine besondere Rolle zu. Am See Chövsgöl entstand auch die erste hydrobiologische Station der MVR. Die rasche Entfaltung der Hydrobiologie in den letzten zwanzig Jahren dokumentiert eine Reihe bedeutender wissenschaftlicher Publikationen ebenso …


Spezialistenverzeichnis Für Die Bearbeitung Der Arthropodenfauna Der Mvr, Manfred Dorn, Michael Stubbe Jan 1981

Spezialistenverzeichnis Für Die Bearbeitung Der Arthropodenfauna Der Mvr, Manfred Dorn, Michael Stubbe

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Seit mehr als 20 Jahren führen Biologen der Staatlichen Mongolischen Universität Ulan-Bator und von Akademie-Instituten der Mongolischen Volksrepublik gemeinsam mit Zoologen und Botanikern befreundeter wissenschaftlicher Partnereinrichtungen insbesondere der DDR, der UdSSR, der CSSR sowie der Volksrepublik Ungarn in großem Umfang Expeditionen zur Erforschung der biologischen Ressourcen der MVR durch. Im Rahmen dieser Expeditionen wurde unter anderem ein umfangreiches Arthropodenmaterial gesammelt, dessen Bearbeitung einen wesentlichen Beitrag zur Erschließung der mongolischen Entomofauna darstellt. Von besonderer Bedeutung sind die Veröffentlichungen in der bereits auf 7 Bände angewachsenen Publikationsreihe "Nasekomye Mongolii" (Leningrad), die Ergebnisse der Expeditionen von Dr. Z. KASZAB (Budapest) sowie jene der …


Die Entwicklung Der Lehrstühle Für Zoologie Und Botanik An Der Mongolischen Staatsuniversität Ulan-Bator, Naniragijn Dawaa, Zedengijn Schamsran Jan 1981

Die Entwicklung Der Lehrstühle Für Zoologie Und Botanik An Der Mongolischen Staatsuniversität Ulan-Bator, Naniragijn Dawaa, Zedengijn Schamsran

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Describes the history of the Zoology and Botany Departments in the National University of Mongolia before 1981.


Die Entwicklung Der Zasammenarbeit Auf Biologischem Gebiet Zwischen Der Mvr Und Ddr Seit 1962, Michael Stubbe, Naniragijn Dawaa, Werner Hilbig, Zedengijn Schamsran Jan 1981

Die Entwicklung Der Zasammenarbeit Auf Biologischem Gebiet Zwischen Der Mvr Und Ddr Seit 1962, Michael Stubbe, Naniragijn Dawaa, Werner Hilbig, Zedengijn Schamsran

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Mit zwei großen komplexen biologischen Sammelexpeditionen 1962 und 1964 der Akademien der Wissenschaften der DDR und MVR in die Süd- und Westmongolei wurde der Grundstein für die kontinuierliche Entwicklung der Wissenschaftskooperation auf biologischem Gebiet zwischen beiden Staaten gelegt. Die Kollektionen wurden zum Grundstock eines aufzubauenden botanischen und zoologischen Sammlungsfundus in Ulan-Bator. Durch den Freundschaftsvertrag zwischen den Universitäiten Halle und Ulan-Bator im Jahre 1967 wurden die Kontakte neu aktiviert. Nach anfänglich sporadischen Studienaufenthalten und Expeditionsreisen von Einzelwissenschaftlern wurde das Forschungsprogramm auf biologischem Gebiet im Rahmen dieses Freundschaftsvertrages recht bald auf Schwerpunktaufgaben ausgerichtet, die sich lückenlos in das Forschungsprofil des mongolischen Vertragspartners …


Die Erforschung Der Herpetofauna Der Mongolischen Volksrepublik: Situation Und Perspektiven, Günther Peters Jan 1981

Die Erforschung Der Herpetofauna Der Mongolischen Volksrepublik: Situation Und Perspektiven, Günther Peters

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

First paragraph:

Die Landschaften der Mongolei sind arm an Reptilien- und Amphibienarten. Dieser Umstand mag die Frage aufwerfen, ob herpetologische Untersuchungen in Beschränkung auf das Territorium der MVR eine nennenswerte Perspektive haben könnten, nachdem Artenspektrum und Verbteitung der Species annähernd vollständig erkundet sind. Ein Herpetologe wird zweifellos für seine Arbeit auch in diesem Land eine Zukunft sehen, doch muß wohl von vornherein eingestanden werden, daß das Volumen der Probleme dieses Faches hinter denen der übrigen Disziplinen der Vertebratenzoologie und der Entomologie in einem bescheidenerem Rahmen verbleibt. Dies gilt sowohl im rein wissenschaftlichen als erst recht auch im angewandten Bereich ihrer …


Abkommen Über Freundschaft Und Zusammenarbeit Zwischen Der Martin-Luther-Universität Halle-Wittenberg Und Der Mongolischen Staatlichen Universität Ulan-Bator--Entwicklung Und Ausblick, J. Schuh, D. Batsuur Jan 1981

Abkommen Über Freundschaft Und Zusammenarbeit Zwischen Der Martin-Luther-Universität Halle-Wittenberg Und Der Mongolischen Staatlichen Universität Ulan-Bator--Entwicklung Und Ausblick, J. Schuh, D. Batsuur

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

First paragraph:

Wenn die Mongolische Staatliche Universität Ulan-Bator ihrem 40. Gründungstag entgegengeht, der folgerichtig in dem revolutionären Aufbruch aus einer alten Geschichte des mongolischen Volkes in eine sozialistische Gessellschaft begründet liegt, so treffen sich seit über einem Jahrzehnt in diesem wissenschaftshistorischen Zeitraum auch Wissenschaftler und Studenten der Martin-Luther-Universität Halle-Wittenberg mit ihren mongolischen Kollegen und Freunden der Mongolischen Staatlichen Universität Ulan-Bator zu geistiger Begegnung und gemeinsamer wissenschaftlicher Arbeit. Sie entspringt den gleichen Zielen einer sozialistischen Gesellschaft, Bildung, Kultur und Wissenschaft zur allseitigen Entwicklung der Persönlichkeit, zur stetigen Verbesserung des Volkswohlstandes, für Völkerverständigung und sozial-historischen Fortschritt zu entfalten.


Field Maps 1981, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 1981

Field Maps 1981, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Historical field map scans (1981) for the permanent 100m x 105m research plot in Hueston Woods State Nature Preserve.

Maps were digitized in 2022.


Cover Of Plants With Extrafloral Nectaries At Four Northern California Sites, Kathleen H. Keeler Jan 1981

Cover Of Plants With Extrafloral Nectaries At Four Northern California Sites, Kathleen H. Keeler

School of Biological Sciences: Faculty Publications

Percent cover of plants with extrafloral nectaries was investigated in three California habitats with the same physiognomy as habitats previously studied in Nebraska (perennial native grassland, riparian forest, deciduous forest). In contrast to Nebraska where cover of plants with extrafloral nectaries reached 14 percent, no plants with extrafloral nectaries were found in any California transect. Chaparral was also studied; no plants with extrafloral nectaries were found.


Pseudogymnophallus Alcae Gen. N. Et Sp. N. (Trematoda: Gymnophallidae) From Alcids (Charadriiformes) In Subarctic Seas, Eric P. Hoberg Jan 1981

Pseudogymnophallus Alcae Gen. N. Et Sp. N. (Trematoda: Gymnophallidae) From Alcids (Charadriiformes) In Subarctic Seas, Eric P. Hoberg

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Pseudogymnophallus alcae gen. n. et sp. n. is described for trematodes from alcids (Charadriiformes: Alcidae) from the North Pacific region (Gulf of Alaska, Bering Sea, and Chukchi Sea): horned puffin, Fratercula corniculuta; tufted puffin, Lunda cirrhuta; parakeet auklet, Cvclorrhvnchus psittacula, and least auklet, Aethia pusilla; and from the western North Atlantic Ocean, (Gulf of St. Lawrence): razorbill, Alca torda. Pseudogymnophallus is distinguished from other genera of Gymnophallidae by the intertesticular position of the ovary; a cylindrical, undivided seminal vesicle; and by an intestinal diverticulum dorsal to the arch of each cecum.


Morphological Variation In The Southeastern Pocket Gopher, Geomys Pinetis (Mammalia: Rodentia), Stephen L. Williams, Hugh H. Genoways Dec 1980

Morphological Variation In The Southeastern Pocket Gopher, Geomys Pinetis (Mammalia: Rodentia), Stephen L. Williams, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The nominal species of southeastern pocket gophers (Geomys pinetis, G. colonus, G. cumberlandius, and G. fontanelus), which collectively occupy a geographic range on the Atlantic and Gulf coastal plain of Alabama, Georgia, and Florida, were examined for morphological variation. Univariate and multivariate analyses were used to determine age, sexual, individual, and geographic variation in G. pinetis. Significant differences were found among different age classes and between sexes. Males displayed higher individual variation than females and external measurements were more variable than cranial measurements. Of the four named species in the pinetis-species group (colonus …


Karyology And Morphometrics Of Three Species Of Akodon (Mammalia: Muridae) From Northwestern Argentina, Rubén M. Barquez, Daniel F. Williams, Michael A. Mares, Hugh H. Genoways Dec 1980

Karyology And Morphometrics Of Three Species Of Akodon (Mammalia: Muridae) From Northwestern Argentina, Rubén M. Barquez, Daniel F. Williams, Michael A. Mares, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

Chromosomal and morphometric studies were conducted on a sample from an assemblage of Akodon spp. occurring in various patterns of sympatry from the provinces of Catamarca, Jujuy, Salta, and Tucumán, Argentina. Results showed three distinct morphometric groups based upon size. Size also varied with age, but there were no significant differences in measurements of males and females. The three morphometric groups have distinct karyotypes. Akodon caenosus Thomas is the smallest of the three, and has a karyotype of 2n = 34, FN = 40. A. boliviensis tucumanensis J. A. Allen is intermediate in size and has 2n = 40, FN …