Physical Sciences and Mathematics Commons^™

Invasive Species And Climate Change, Invasive Species Advisory Committee

National Invasive Species Council

ISSUE

Climate change interacts with and can often amplify the negative impacts of invasive species. These interactions are not fully appreciated or understood. They can result in threats to critical ecosystem functions on which our food system and other essential provisions and services depend as well as increase threats to human health. The Invasive Species Advisory Committee to the National Invasive Species Council recognizes the Administration’s commitment to dealing proactively with global climate change. However, unless we recognize and act on the impact of climate change and its interaction with ecosystems and invasive species, we will fall further behind in …

Communication For Mate Selection In Anurans: Dominant Frequency Versus Snout-Vent-Length, Shari Jean Kunert

Department of Environmental Studies: Undergraduate Student Theses

No abstract provided.

Is Orthoptera Abundance And Distribution Across A Small Grassland Area Affected By Plant Biomass, Plant Species Richness, And Plant Quality?, Caitlin Falcone

Department of Environmental Studies: Undergraduate Student Theses

The choice of a specific microhabitat represents a compromise among a number of different factors organisms use to monitor habitat suitability. Grassland vegetation structure can vary widely along environmental gradients over a relatively small area. This vegetation structure can have a large influence on habitat selection by grasshoppers (Orthoptera). However, it is not clear which vegetation characteristics are most important in determining grasshopper abundance. We found that plant biomass, plant species richness, and plant quality all have an effect on grasshopper abundance and distribution. We observe that these affects vary both within and among the two years of data collection. …

Multi-Scale Perspectives On Paddlefish Populations: Implications For Species Conservation And Management, Brenda M. Pracheil

School of Natural Resources: Dissertations, Theses, and Student Research

The Order of fishes containing paddlefish and sturgeon has been named the most endangered group of organisms on the planet by the International Union of Conservation of Nature (IUCN). Population trajectories of paddlefish, whose native range is entirely encompassed within the United States of America, are currently unknown, although the IUCN has considered them to have a high extinction risk in the wild. The declaration of the vulnerability of paddlefish to extinction, coupled with the global plight of other sturgeon species create urgency to establish population and species-level population trajectories. Moreover, this declaration creates a great need for swift management …

Invasive Species And Public Investment In The Green Economy, Invasive Species Advisory Committee

National Invasive Species Council

Invasive Species and Public Investment in the Green Economy, approved by ISAC on June 24, 2010

ISSUE

Invasive species are intricately linked to the economy. Trade, travel, and transport facilitate their spread. Invasive species management requires extensive human and financial resources. The impacts of invasive species can substantially undermine economic growth and sustainable development. United States Executive Order (EO) 13112 defines invasive species as “alien [non-native] species whose introduction does or is likely to cause economic or environmental harm or harm to human health” and states that Federal agencies should …“not authorize, fund, or carry out actions that are likely …

Marine Bioinvasions And Climate Change, James T. Carlton, Sandra C. Lindstrom, Celia M. Smith, Jennifer E. Smith

National Invasive Species Council

BACKGROUND

Invasive species are second only to habitat destruction as the greatest cause of species endangerment and global biodiversity loss. Invasive species can cause severe and permanent damage to the ecosystems they invade. Consequences of invasion include competition with or predation upon native species, hybridization, carrying or supporting harmful pathogens and parasites that may affect wildlife and human health, disturbing ecosystem function through alteration of food webs and nutrient recycling rates, acting as ecosystem engineers and altering habitat structure, and degradation of the aesthetic quality of our natural resources. In many cases we may not fully know the native animals …

Winter Ecology Of Buggy Creek Virus (Togaviridae, Alphavirus) In The Central Great Plains, Charles R. Brown, Stephanie A. Strickler, Amy T. Moore, Sarah A. Knutie, Abinash Padhi, Mary Bomberger Brown, Ginger R. Young, Valerie A. O'Brien, Jerome E. Foster, Nicholas Komar

School of Natural Resources: Faculty Publications

A largely unanswered question in the study of arboviruses is the extent to which virus can overwinter in adult vectors during the cold winter months and resume the transmission cycle in summer. Buggy Creek virus (BCRV; Togaviridae, Alphavirus) is an unusual arbovirus that is vectored primarily by the swallow bug (Hemiptera: Cimicidae: Oeciacus vicarius) and amplified by the ectoparasitic bug’s main avian hosts, the migratory cliff swallow (Petrochelidon pyrrhonota) and resident house sparrow (Passer domesticus). Bugs are sedentary and overwinter in the swallows’ mud nests. We evaluated the prevalence of BCRV and extent of …

The Effects Of Ornamentation On Wolf Spider Foraging, Mari Pesek

Department of Environmental Studies: Undergraduate Student Theses

ABSTRACT: As a secondary sexual trait that can increase reproductive success, ornamentation is believed to be costly for organisms to acquire and possess. This study investigates possible costs of ornamentation on wolf spider foraging by comparing foraging abilities of two male forms that differ in ornamentation upon maturation. The two male forms, found syntopically in a mixed population in Mississippi, USA, resemble two sibling species: Schizocosa ocreata, in which males develop large black brushes on their forelegs upon maturation, and Schizocosa rovneri, in which males lack ornamentation following maturation. Individuals of both forms participated in foraging trials as penultimates (juveniles) …

Herbicides And Amphibian Populations, Zach Shirk

Department of Environmental Studies: Undergraduate Student Theses

Amphibians are a unique class of species that are found worldwide except Antarctica and Greenland. They range in size from a few millimeters to over six feet long. Amphibian’s habitats are as various as their size, but one thing in common is that amphibians require an aquatic location to breed. Amphibians live in deserts, mountain prairies, rain forest, wetlands, and almost everywhere in between. Amphibians are an integrated part of most natural ecosystems across the world. Amphibians are a critical part of many food chains; they provide the important link between secondary and tertiary consumers. Amphibians are indicator species in …

The Influence Of Partial Timber Harvesting In Riparian Buffers On Macroinvertebrate And Fish Communities In Small Streams In Minnesota, Usa, Christopher J. Chizinski, Bruce Vondracek, Charles R. Blinn, Raymond M. Newman, Dickson M. Atuke, Keith Fredricks, Nathaniel A. Hemstad, Eric Merten, Nicholas Schlesser

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

Relatively few evaluations of aquatic macroinvertebrate and fish communities have been published in peer-reviewed literature detailing the effect of varying residual basal area (RBA) after timber harvesting in riparian buffers. Our analysis investigated the effects of partial harvesting within riparian buffers on aquatic macroinvertebrate and fish communities in small streams from two experiments in northern Minnesota northern hardwood-aspen forests. Each experiment evaluated partial harvesting within riparian buffers. In both experiments, benthic macroinvertebrates and fish were collected 1 year prior to harvest and in each of 3 years after harvest. We observed interannual variation for the macroinvertebrate abundance, diversity and taxon …

Revised Relative Abundance Estimates And Temporal Activity Of Bats At Three Great Lakes National Parks Based On Acoustic Data, Bruce W. Miller

United States National Park Service: Publications

Abstract

In this study, Miller re-analyzed acoustic bat data collected from June-August 2003 that was part of a baseline inventory of bat species in three national parks in the Lake Superior region. While the original study presented base-line data on the presence/absence of bat species in these parks, this reanalysis provides estimates of relative abundance and temporal activity of the identified species. Using a suite of recently developed acoustic analysis tools, Miller created species specific filters. This allowed parsing of calls from non-fragmented sequences and differentiate between two species, Myotis septentrionalis and Myotis lucifugus, that were combined into a …

Retention, Movement, And The Biotic Response To Large Woody Debris In The Channelized Missouri River, Michael W. Archer

School of Natural Resources: Dissertations, Theses, and Student Research

Large woody debris (LWD) is an important component of a healthy aquatic ecosystem. However, little is known about the dynamics of LWD in a large, channelized river such as the Missouri River. My objectives were to first, assess the abundance of LWD found along the channelized portion of the Missouri River. Second, I documented movement of LWD that entered the river. Lastly, using PRIMER software I analyzed what effect, if any, river segments, bend types, and LWD had on the community composition of the macroinvertebrate and fish that inhabit the river. Abundance of LWD was greater along bends that have …

2010 Interior Least Tern And Piping Plover Monitoring, Research, Management, And Outreach Report For The Lower Platte River, Nebraska, Mary Bomberger Brown, Joel G. Jorgensen

School of Natural Resources: Faculty Publications

This document reports on our monitoring, research, management, and outreach activities during the past 12 months (2010). We prepared it to inform our partners, cooperating agencies, funding sources, and other interested parties of our activities and to provide a preliminary summary of our results.

The Tern and Plover Conservation Partnership (TPCP), based at the University of Nebraska–School of Natural Resources, and the Nongame Bird Program (NBP), based at the Nebraska Game and Parks Commission (NGPC) work cooperatively on Interior Least Tern and Piping Plover monitoring, research, management, and outreach activities. While the focus of our work is the Lower Platte, …

Gustav Radde In Sibirien: Zum 150. Jubiläum Der Baikalexpedition (1855-1859), Juri Durnev, Michael Stubbe, Annegret Stubbe

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

Unter den Beiträgen der deutschen Gelehrten zur Erforschung der Fauna der Baikalregion sind die Arbeiten von Gustav Radde besonders hervorzuheben. Er war nach I. Georgi der zweite Gelehrte, der den Versuch machte, den Baikalsee mit dem Boot für zoologische Untersuchungen zu bereisen. G. Radde untersuchte die Wirbeltiere der Baikalküsten und des Chamar-Daban-Gebirges. Er bestieg als erster Naturforscher den höchsten Gipfel Ostsibiriens, den Munku-Sardyk.

Zum 300. Geburtstag Georg Wilhelm Stellers, Peter Hoffmann

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

First paragraph:

Genau heute vor 300. Jahren, am 10. März 1709, wurde Georg Wilhelm Steller in Windsheim/ Franken geboren. Sein Name wird in den Quellen, Kirchenbüchern usw. Stöhler, Stöller, Stoeller geschrieben. Eine solche unterschiedliche Schreibweise des Namens darf uns nicht irritieren – bis zur Gründung von Standesämtern 1878 wurden in Deutschland Personenstandsdaten von den Pastoren aufgezeichnet, die in die Kirchenbücher die Namen in der Form eintrugen, wie sie sie gehört hatten. Und auch in anderen Dokumentationen, etwa in den Akten eines Stadtarchivs, wurden Eigennamen meist nach dem Gehör notiert. Erst die standesamtliche Registrierung brachte auch eine Normierung der Schreibweise von …

In Memoriam, Academician Prof. Dr. Osor Shagdarsuren (1929-2010), Sundev Gombobaatar, D. Sumiya, R. Samiya, B. Bayartogtokh, S. Shar, Nyamsuren Batsajchan, M. Altantsetseg, Ch. Uuganbayar, D. Usukhjargal, P. Amartuvshin, P. Jargalsaikhan, Sh. Boldbaatar, N. Tseveenmyadag, G. Mainjargal, B. Nyambayar, E. R. Potapov, Michael Stubbe, Annegret Stubbe, Andrew Dixon

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

Academician, Professor Osor Shagdarsuren passed away due to apoplexy on Tuesday, February 2, 2010, at the age of 81. He was one of the most respected Mongolian ornithologists, biologists, and educators. The Mongolian scientific community has lost one of its greatest members, the premier Mongolian ornithologist.

Ecology Of Eurasian Black Vultures (Aegypius Monachus) In Ikh Nart Nature Reserve, Mongolia, Richard P. Reading, David Kenny, John Azua, Travis Garrett, Mary Jo Willis, Tsolmonjav Purevsuren

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

We studied the nesting ecology and movement patterns of Eurasian black vultures (Aegypius monachus) nesting in and near Ikh Nart Nature Reserve, Dornogobi Aimag, Mongolia. From 2003 till 2009, we monitored nesting pairs from incubation to fledging and compared nesting success for pairs nesting on rocks and trees. We captured chicks just prior to fledging to apply leg bands and wing tags. We also captured adults in June and attached solar-powered global positioning system (GPS)/satellite telemetry units, leg bands, and wing tags. We collected resighting data on marked birds opportunistically and telemetry data on tagged birds. We monitored …

Verzeichnis Der In Den „Beiträgen Zur Gefiederkunde Und Morphologie Der Vögel“ Hefte 1-14 Beschriebenen Und Der Vom Verfasser Im Übrigen Schrifttum Publizierten Federbestimmungsmerkmale Von Mongolischen Vögeln, W.-D. Busching

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

First paragraph:

Seit der ersten Mongolisch-Deutschen Biologischen Expedition im Jahre 1962 hat die Erforschung der Avifauna große Fortschritte gemacht, wobei im Zoologischen Institut der Martin Luther Universität Halle-Wittenberg, der Mongolischen Akademie der Wissenschaften und dem Biologischen Institut der Nationaluniversität der Mongolei in Ulaanbaatar umfangreiche Balgund Skelettsammlungen angelegt wurden. Nicht wenige Vogelfunde lagen aber in Form von Nahrungsresten der Greifvögel, Eulen und des Haarraubwildes vor und waren damit nur schwer anzusprechen. So gingen die aufgesammelten Rupfungen und Säugetierrisse zumeist an den Autor, in der Hoffnung, dass sie bestimmt werden können.

Im Gedenken An Den Mongolischen Ornithologen Ajurzana Bold (1936-2007), M. Stubbe, Annegret Stubbe

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

Obituary of Mongolian ornithologist Ajurzana Bold (1936-2007).

Das Baikalo-Mongolische Übergangsgebiet Und Seine Bedeutung Für Die Dynamik Der Avifauna Der Baikalgrabenzone, Juri Durnev, Marina Sonina

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

The „Baikalgrabenzone“ or Tunka valley is the area between the lake Chubsugul in the Southwest and the bassin of the river Oljekma in the Northeast. It’s an important biogeograhic region. Some bird species are immigrating from Mongolia in this area, some other species are disapeared here. In the ornithofauna can be distinguished ten types of zoogeographic origin.

Betr.: Schutz Des Wildesels/Kulans (Equus H. Hemionus) In Der Mongolei [Letter], Annegret Stubbe, Michael Stubbe

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

Letter to R. Grube of Deutschen Bahn AG in Berlin, Germany, asking for dispensation as the authors attempted to relocate a herd of wild asses (Equus h. hemionus) from a site in Mongolia where they would in harm's way due to development.

Do Nest Materials And Nest Substrates Affect The Breeding Of Buteo Hemilasius In The Mongolian Steppe?, Sundev Gombobaatar, B. Odkhuu, Yosef Reuvan, B. Gantulga, B. Amartuvshin, D. Usukhjargal

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

Upland buzzards occur across Mongolia excluding lush taiga forest and breeds from the Mongolian Altai mountains to the western foothills of the Great Khyangan Mountains. Our field work was conducted during the breeding season of the species in Mongolia from 2001 to 2007. Nest materials of the studied nests contained natural (twigs of elm tree, shrubs, tail, and mane of horse, hair of cows, fur of sheep, goats and camels), and artificial or man-made (cotton, plastic bags, wires, cables, and others) materials. Contents of the nesting materials of the species were differed by location, region and breeding pair’s behavior. A …

Waterbirds Of Uvs-Nuur Depression, T. P. Archimaeva-Ozerskaya, V. I. Zabelin

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

This report provides an overview of water birds (Non-Passeriformes) inhabiting the lakes of Uvs- Nuur Depression. The article includeds material obtained during field work in the Uvs-Nuur Depression during 1999-2006, unpublished observations of rare vagrant species of birds, and data from the literature. Altogether we and others recorded 81 bird species from ten families on the lakes within the basin. The list we provide does not include sparrows or birds from habitats closely associated with the basin. The following non-Passeriformes bird families were noted (with the number of species in parentheses): Gaviidae (1), Podicipedidae (2), Phalacrocoracidae (1), Ardeidae (5), Anatidae …

Brutareale Und Brutbiologie Der Greifvogelarten Der Mongolei = Grid Mapping And Breeding Ecology Of Raptors In Mongolia, Michael Stubbe, Annegret Stubbe, Nayamsuren Batsaikhan, Sundev Gombobaatar, T. Stenzel, H. Von Wehrden, Sh. Boldbaatar, B. Nayambayar, D. Sumjaa, Ravčigijn Samjaa, N. Ceveenmjadag, A. Bold

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

This work summarizes the longtime ecological research of the German-Mongolian scientific cooperation regarding biodiversity studies in Central Asia, focusing on native raptor species (Aves: Falconiformes). There is included a short overview on the history of raptor research in Mongolia. One of the primary goals was the creation of distribution maps of breeding records based on definitive time and space coordinates. Additional data on the breeding biology amend the distribution data. Currently 43 raptor species are recorded for Mongolia. Whenever possible were also incorporated data from adjacent regions of Mongolia (China, Tuva, Burjatia, Pribaikalia), in order to embed the avifauna of …

The Institute For Raptor Studies Expeditions In Mongolia, 1994-2000, David H. Ellis

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

In 1994, 1995, 1997, 1998, and 2000, I led small teams of biologists across Mongolia in search of Saker falcon (Falco cherrug Gray) and golden eagle (Aquila chrysaetos) eyries. We also counted raptors along our march route during the first three years. These expeditions documented: (1) occupancy and productivity rates, and described eyrie sites, for Saker falcons (150 territories, 182 eyries) and golden eagles (27 known breeding territories), (2) mortality of Sakers and ipland buzzards (Buteo hemilasius) due to entanglement with trash in nests and loss of golden eagle eggs due to concealment by trash in nests, …

Water Use Of Asiatic Wild Asses In The Mongolian Gobi, Petra Kaczensky, V. Dresley, D. Vetter, H. Otgonbayar, C. Walzer

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

Water is a key resource for most large bodied mammals in the world’s arid areas. With the growing human population, access to water for wildlife often becomes compromised. Equids are typical inhabitants of semi-arid to arid rangelands and need regular access to fresh water. However, their water needs are difficult to study under free-ranging conditions. In this study we investigated Asiatic wild ass (Equus hemionus) use of permanent water points in the Great Gobi B Strictly Protected Area (SPA) in south-western Mongolia. We combined observational data from one specific water point with high frequency GPS location data from …

Temporal Dynamics Of Group Size And Sexual Segregation In Ibex, N. J. Singh, S. Amgalanbaatar, Richard P. Reading

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

Group size is an important variable describing behavioral ecology of animals. A variety of factors such as habitat characteristics, life history, spatio-temporal resource dynamics, population density, predation risk, competition with kin, and social learning often determine group size in large mammals. We studied temporal dynamics of group size in Siberian ibex (Capra sibirica) in a protected area in Mongolia. We measured monthly and yearly variations in typical group size and used the sexual segregation and aggregation statistic to assess sexual segregation. Ibex formed the largest groups in November and smallest groups in July. However, group sizes did not …

Auswertung Der In Den Jahren 1993-2009 Im Östlichen Altai (Russland) Und Südöstlichen Altai (Tyva) Gesammelten Federn Und Rupfungen, W.-D. Busching

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

Determination-results of birds from Russian Altai-Mountains and Tyva based on plucked and moult-feathers.

This paper deals with plucked- and moult-feathers of different Central-Asian birds collected by STEPHAN ERNST, DANIEL MICHELE LINDNER and JENS HERING in the Russian Altai- Mountains and Tyva 1993 - 2009.

The Use Of High Frequency Gps Data To Classify Main Behavioural Categories In A Przewalski’S Horse In The Mongolian Gobi, Petra Kaczensky, Klaus Huber

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

Behavioral observations of free ranging animals can provide important insight into many aspects of their biology but are not without problems. The recent development of GPS technology allows to remotely collect high precision location data at fixed intervals. We tested whether it is possible to classify the behavior of a Przewalski’s horse in the Mongolian Gobi into Resting, Grazing and Moving based on GPS locations collected at 15 minute intervals by comparing GPS data with direct observations. Although behavioral categories lasting for 15 minutes could by fairly reliably separated based on the distances covered between successive fixes, almost half the …

Beobachtungen Zu Unterscheidungsmerkmalen An Equidenschädeln, Speziell Zwischen Denen Von Mongolischen Dschiggetai Und Pferden, Roland Müller, Joachim Wussow

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

First paragraph:

Von STUBBE et.al. wurden zwischen 2001 und 2004 in der Südmongolei ca. 400 Schädel des Dschiggetai (Equus hemionus hemionus) gesammelt.