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Articles 541 - 570 of 666
Full-Text Articles in Geography
Phytopharmaceuticals In Mongolia: Past, Present, And Future, Disan Gunbilig, Ulziinyam Rentsendorj
Phytopharmaceuticals In Mongolia: Past, Present, And Future, Disan Gunbilig, Ulziinyam Rentsendorj
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Over the last two decades, the consumption of medicinal plants has increased in Mongolia. Once banned by the post-revolutionary government, it is now valued by the practitioners of orthodox medicine, government as well as by the society. Yet the scientific community has to give this major and crucial component of traditional Mongolian medicine the attention it deserves, scientific knowledge about biologically active principles within medicinal plants remain poorly unknown. At the same time, due to over exploitation of plants many species are becoming extinct together with invaluable traditional knowledge being lost. For these reasons, there is a certain urgency to …
Bibliographia Phytosociologica Et Floristica Mongolia: Pars Iv, Werner Hilbig
Bibliographia Phytosociologica Et Floristica Mongolia: Pars Iv, Werner Hilbig
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In Ergänzung zu den bisherigen drei Teilen der Bibliographie vegetationskundlicher, vegetationsökologischer, floristischer und pflanzengeographischer Arbeiten über die Mongolei wird in dieser Arbeit Teil IV der Bibliographie vorgelegt. Er umfasst im Wesentlichen den Zeitraum 2007 bis 2014. Auch Publikationen zur Vegetationsgeschichte und zum botanischen Naturschutz werden berücksichtigt.
English summary:
In addition to the hitherto existing three parts of the bibliography of geobotanical, ecological, floristic and plant-geographical papers on Mongolia the part IV of the bibliography is given. It comprises in the main point the period from 2007 until 2014. In addition, publications on vegetation history and botanical nature protection are considered.
Cevegijn Davaažamc (1924-1997) - Eine Würdigung Zur 90. Wiederkehr Seines Geburtstages, Peter Hanelt, Werner Hilbig, Zedengjin Schamsran
Cevegijn Davaažamc (1924-1997) - Eine Würdigung Zur 90. Wiederkehr Seines Geburtstages, Peter Hanelt, Werner Hilbig, Zedengjin Schamsran
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Im Jahr 2014 jährt sich zum 90. Male der Geburtstag von Dr. Cevegijn Davaažamc, der zur Gründergeneration der mongolischen Botaniker gehört und deshalb einer Würdigung bedarf, noch dazu, da er einen wesentlichen Anteil an der Entwicklung der Zusammenarbeit mongolischer und deutscher Botaniker hat.
Davaažamc wurde am 1. Juli 1924 in Chiran-Chond im Chond-Šaamar Somon in der Familie eines Nomaden geboren. Die Örtlichkeit liegt in der Nähe von Altanbulag und gehört zum nordmongolischen Selenge Aimak. Seine Eltern, Vater Ceveg und Mutter Balžimaa, waren noch Analphabeten. Sie hatten einen eigenen Viehbestand von etwa 100 Schafen und Ziegen und je 10 Rinder und …
A Lobed Argiope Spider On Its Most Eastern Distribution – First Record Of Argiope Lobata (Pallas, 1772) For The Sub-Family Argiopinae (Arachnida: Araneidae) In Mongolia, Oliver Lindecke, Marcus Wall
A Lobed Argiope Spider On Its Most Eastern Distribution – First Record Of Argiope Lobata (Pallas, 1772) For The Sub-Family Argiopinae (Arachnida: Araneidae) In Mongolia, Oliver Lindecke, Marcus Wall
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
The subfamily Argiopinae SIMON, 1890 is reported for Mongolia the first time by Argiope lobata (PALLAS, 1772). Furthermore, we herein highlight the most eastern distribution of this species, which is widespread in the Mediterranean, African and in some Asian countries. The obtained specimen was found in the Eastern Gobi, a landscape of semi-desert character. Despite numerous studies with arachnological background in the past, even larger species new for Mongolia could be found. Findings like this show the on-going need for basic biodiversity research in the Gobi ecoregions. We further discuss previous, but doubtful reports of A. lobata in South-east Asia …
Conflicts Between Human And Wildlife In Baytik Mountain, China, Wenxuan Xu, Weikang Yang, Canjun Xia, Xingyi Gao
Conflicts Between Human And Wildlife In Baytik Mountain, China, Wenxuan Xu, Weikang Yang, Canjun Xia, Xingyi Gao
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Baytik Mountain was a traditional pasture used by nomads, divided into summer pasture, winter pasture and transitional pasture, and most of their livestock were goat and sheep. Many rare and endangered animals occur in this region, including snow leopard, lynx, Mongolian wild ass, ibex and argali. There have long history of conflicts between human and wildlife. Minority nationalities (Uighur, Kazakh, and Mongols, etc.) in China do not have a one child policy. As a result, many families have become quite large because of improvements in living standards, medical care, and living conditions. In addition, these living conditions force the local …
Identification Of Taenia Metacestodes From Mongolian Mammals Using Multivariate Morphometrics Of The Rostellar Hooks, Danielle M. Tufts, Nyamsuren Batsaikhan, Michael Pitner, Gábor R. Rácz, Altangerel Tsogtsaikhan Dursahinhan, Scott Lyell Gardner
Identification Of Taenia Metacestodes From Mongolian Mammals Using Multivariate Morphometrics Of The Rostellar Hooks, Danielle M. Tufts, Nyamsuren Batsaikhan, Michael Pitner, Gábor R. Rácz, Altangerel Tsogtsaikhan Dursahinhan, Scott Lyell Gardner
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Parasite diversity in and among various species of mammals within Mongolia is still poorly understood. The current paper focusses on a small part of the results of the Mongolian Vertebrate Parasite Project (MVPP), which entailed a broad-scale biodiversity survey of the vertebrates and their parasites of the Gobi and Altai regions of Mongolia. We report on the prevalence and morphological variation of larval cestodes of the family Taeniidae that occurred in small mammals that were collected from 2009-2012 from various locations in southern Mongolia. From these metacestodes, we studied both large and small rostellar hooks and analyzed both size and …
Cedengijn Žamsran – Eine Würdigung Zu Seinem 80. Geburtstag, Werner Hilbig, Chojma Dulamsuren
Cedengijn Žamsran – Eine Würdigung Zu Seinem 80. Geburtstag, Werner Hilbig, Chojma Dulamsuren
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Schon seit einem halben Jahrhundert arbeiten deutsche und mongolische Biologen bei der Erforschung von Flora und Fauna, bei der Bearbeitung der Vegetation, bei biologisch-ökologischen Untersuchungen und Naturschutzbestrebungen in der Mongolei eng und erfolgreich zusammen. Im Jahre 2012 konnten in Halle an der Martin-Luther-Universität im Rahmen des internationalen Symposiums über Biodiversitätsforschung in der Mongolei „50 years of Mongolian-German Biological Expeditions, an anniversary (1962-2012)“ mit vielen Teilnehmern aus der Mongolei und anderen ausländischen Gästen gefeiert werden.
Polyzonus Fasciatus (Fabricius, 1781) (Coleoptera: Cerambycidae) - Ein Artporträt, Volker Neumann, Davaa Lkhagvasuren
Polyzonus Fasciatus (Fabricius, 1781) (Coleoptera: Cerambycidae) - Ein Artporträt, Volker Neumann, Davaa Lkhagvasuren
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
This paper focuses on the distribution of Polyzonus fasciatus (Coleoptera, Cerambycidae) in Mongolia and describes biological aspects of its development.
Acclimatization Of Coregonus Autumnalis Migratorius (Georgi, 1775) In Some Water Bodies Of The Mongolian Gobi, Auyriin Dulmaa
Acclimatization Of Coregonus Autumnalis Migratorius (Georgi, 1775) In Some Water Bodies Of The Mongolian Gobi, Auyriin Dulmaa
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Introductions and subsequent acclimatization of the fish Baicalian omul (Coregonus autumnalis migratorius natio possolskii) was carried out in 1980, 1982, and 1986 in the previously fishless lakes of Ulaagchnii Khar, Baga, and Jaahan located in the territory of Gobi region of the Zavhan administrative aimag of Mongolia. Three million larvae of Coregonus autumnalis migratorius natio possolskii were received from the Bolshrechnsky fishery in Buryatya, Russia (DULMAA 1999). The density of distribution was 10-15 thousand units per hectare with an average larvae mass of 0.05 g. The relatively abundant fodder base has facilitated the high rate of growth and …
Plant Communities In Eastern Mongolia, Werner Hilbig, Naidan Narantuya
Plant Communities In Eastern Mongolia, Werner Hilbig, Naidan Narantuya
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In this contribution is presented a phytosociological description of plant communities, recorded in the phytogeographical district of Eastern Mongolia, including parts of the Dornod (Eastern) and the Choybalsan aymags. The whole district is characterized by steppe vegetation. Other vegetation types, like elm (Ulmus pumila) bush vegetation, shrubbery on sandy and rocky sites, Salix miyabeana bushes, meadow and reed vegetation in the river plains and lake basins, salt vegetation and ruderal plant communities were also recorded, documented by synoptic vegetation tables or single relevés and characterized by information on the ecological conditions of their habitats. Some of the observed …
Register Of Chironomids (Diptera, Chironomidae) Of The Lake Khubsugul In Mongolia, E. A. Erbaeva, G. P. Safronov
Register Of Chironomids (Diptera, Chironomidae) Of The Lake Khubsugul In Mongolia, E. A. Erbaeva, G. P. Safronov
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
This list presents 107 species and forms of Chironomidae larvae from the lake Khubsugul, which belonging to 5 subfamilies of Chironomidae: Tanypodinae (11 species), Diamesinae (7), Prodiamesinae (1), Orthocladiinae (48), Chironomiinae (40).
Current Status And Conservation Of Mountain Ungulates In Mongolia, Badamjav Lkhagvasuren, Yansanjav Adiya, Garam Tsogtjargal, Garam Amgalanbaatar, Rich Harris
Current Status And Conservation Of Mountain Ungulates In Mongolia, Badamjav Lkhagvasuren, Yansanjav Adiya, Garam Tsogtjargal, Garam Amgalanbaatar, Rich Harris
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In November 2009, we conducted a countrywide survey for wild sheep or argali and Siberian ibex. Field survey teams sampled in total 134 argali distribution units within Mongolia, which are estimated to occupy approximately 46,603 km² of the whole area of 60,237 km² that been previously mapped as populated by argali. They observed 385 groups of argali, totaling 3.373 individuals. Our point estimate of argali is 18,140 with a lower 95% confidence limit of 9,193 and an upper 95% confidence limit of 43,135.
At the same time the authors observed 162 groups of ibex, totaling 2,541 individuals and our point …
New Data On Small Mammals Of Neolithic Sites And Burial Grounds In Mongolia, Fedora Khenzykhenova, Nataly Schepina, Dashzeveg Tumen, Myagmar Erdene, Nataly Tsydenova, D. Khatanbaatar
New Data On Small Mammals Of Neolithic Sites And Burial Grounds In Mongolia, Fedora Khenzykhenova, Nataly Schepina, Dashzeveg Tumen, Myagmar Erdene, Nataly Tsydenova, D. Khatanbaatar
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
New data about animals obtained by Mongolian paleoanthropologists, National University of Mongolia and Russian archaeologist, Institute of Mongolian, Buddist and Tibetan studies, Siberian Branch, Russian Academy of Sciences were obtained under the direction of Professors Dashzeveg Tumen and Myagmar Erdene. The faunistic materials were excavated from localities of different origins including burial grounds, old cities, and Neolithic sites in different areas of Mongolia. Species composition of the large mammal fauna included two species and, the small mammal fauna was represented by two species of lagomorphs, and six species of rodents which are also components of the recent fauna of Mongolia.
How Could Unmanned Aerial Systems (Uas) Be Used For Ecohydrological And Ecosystem Research? Experiences Of First Operations With Uas In River Flood Plains Of Northern Mongolia, Jürgen Hofmann, Martin Oczipka, Thomas Rutz, Hauke Dämpfling
How Could Unmanned Aerial Systems (Uas) Be Used For Ecohydrological And Ecosystem Research? Experiences Of First Operations With Uas In River Flood Plains Of Northern Mongolia, Jürgen Hofmann, Martin Oczipka, Thomas Rutz, Hauke Dämpfling
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
This paper proposes the use of unmanned aerial systems (UAS) as a method for monitoring biotic resources and ecohydrological systems in river floodplains.
Small scale mapping based on LANDSAT and SRTM or ASTER data is of limited applicability since a spatial resolution of 30 to 90 m is not sufficient to meet the demands of habitat mapping and large scale 3D -modelling. Newer satellites like WorldView2 and SENTINEL (space mission from European Space Agency within the Copernicus Programme) could be an option to gain a 0.5 m resolution, but the availability of image data is limited.
UAS allow the collection …
Der Mönchsgeier Aegypius Monachus (L., 1766) Und Seine Mallophagen (Insecta, Phthiraptera) In Der Mongolei = Cinereous Vulture Aegypius Monachus (L., 1766) And Its Chewing Lice (Insecta, Phthiraptera) In Mongolia, Eberhard Mey, Michael Stubbe, Davaa Lchagvasuren, Annegret Stubbe
Der Mönchsgeier Aegypius Monachus (L., 1766) Und Seine Mallophagen (Insecta, Phthiraptera) In Der Mongolei = Cinereous Vulture Aegypius Monachus (L., 1766) And Its Chewing Lice (Insecta, Phthiraptera) In Mongolia, Eberhard Mey, Michael Stubbe, Davaa Lchagvasuren, Annegret Stubbe
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
During a series of studies on the population, ecology, and biology of the Cinereous Vulture in Mongolia, fully feathered nestlings of the species from 9 nests were examined, without the use of chemical methods, for Mallophaga infestation from 2010 to 2015. The collection resulted in several first records for Mongolia of three species: Laemobothrion vulturis (J. C. FABRICIUS, 1775) sensu lato (Amblycera, Laemobothriidae), Neocolpocephalum aegypii (TENDEIRO, 1989) (Amblycera, Menoponidae s. l.) sp. inq., and Falcolipeurus quadripustulatus (BURMEISTER, 1838) (Ischnocera, Philopteridae s. l.). Despite being expected, there has still been no record of Agypoecus brevicollis (BURMEISTER, 1838) in Mongolia.
Chewing louse …
Key To The Bat Fleas Of Mongolia, Ingo Scheffler
Key To The Bat Fleas Of Mongolia, Ingo Scheffler
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Fleas of the family Ischnopsyllidae belong to the common bat ectoparasites. The current taxonomic status of these insects in Mongolia includes seven species for which we provide a determination key.
Bat Ectoparasites Of Mongolia, Part 3, Ingo Scheffler, Ariunbold Jargalsaikhan, Idertsogt Bolorchimeg, Annegret Stubbe, Michael Stubbe, Andreas Abraham, K. Thiele
Bat Ectoparasites Of Mongolia, Part 3, Ingo Scheffler, Ariunbold Jargalsaikhan, Idertsogt Bolorchimeg, Annegret Stubbe, Michael Stubbe, Andreas Abraham, K. Thiele
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
The fauna of Mongolian bats and their ectoparasites is not yet fully documented. This study analyzes ectoparasite samples of 15 bat species from diverse taiga, steppe, and desert locations. We recorded 27 parasite species in total and report their abundance, host preference, and occurrence herein. In describing a new bat fly species (Basilia dolchii n. spec.), reporting six parasite species never before recorded in Mongolia, and examining rare host species such as Myotis frater and Murina hilgendorfi, this work expands present knowledge in this research area. To assess respective individual and species-specific parasite loads comprised of different insects …
An Analysis Of The Migration Policies Of The European Union And Their Effectiveness In Managing The Current Migration Crisis, Michael Blair
An Analysis Of The Migration Policies Of The European Union And Their Effectiveness In Managing The Current Migration Crisis, Michael Blair
MA IDS Thesis Projects
The current migration of individuals into the European Union is creating an unparalleled and unprecedented crisis that has completely overwhelmed the EU Member States. Migrants entering the European Union have done so via dangerous and deadly sea and land routes, resulting in a devastating humanitarian crisis throughout Europe. As conflicts and instability around the world continue to evolve and escalate, larger flows of migrants continue to pour into the European Union causing the irregular migration of people across Europe’s borders. To counter this, European Union officials have attempted to create migration policies based on border management and security ideals. However, …
Dama Dentition: A New Tooth Eruption And Wear Method For Assessing The Age Of Fallow Deer (Dama Dama), Frazer Bowen, Ruth F. Carden, Julie Daujat, Sandrine Grouard, Holly Miller, Sophia Perdikaris, Naomi Sykes
Dama Dentition: A New Tooth Eruption And Wear Method For Assessing The Age Of Fallow Deer (Dama Dama), Frazer Bowen, Ruth F. Carden, Julie Daujat, Sandrine Grouard, Holly Miller, Sophia Perdikaris, Naomi Sykes
School of Global Integrative Studies: Faculty Publications
Reliable aging techniques for wild animals are notoriously challenging to develop because of the scarcity of sizeable collections of known-age specimens. Without such techniques it is difficult to reconstruct hunting patterns, which is a significant problem for the examination of assemblages from pre-farming cultures. This paper presents a new method, based on mandibular tooth eruption and wear, for assessing the age of fallow deer. The method was developed from a large collection (n = 156) of known-age Dama dama specimens, has been blind tested by members of the zooarchaeological community and represents a user-friendly system with the potential to …
Book Review: Jakarta: Drawing The City Near, Daniel N. Warshawsky
Book Review: Jakarta: Drawing The City Near, Daniel N. Warshawsky
Geography Faculty Publications
In Jakarta: Drawing the City Near, AbdouMaliq Simone has produced another insightful work which highlights the innovation, ingenuity, and dynamism of people living in cities.
Late Holocene Expansion Of Ponderosa Pine (Pinus Ponderosa) In The Central Rocky Mountains, Usa, Jodi R. Norris, Julio L. Betancourt, Stephen T. Jackson
Late Holocene Expansion Of Ponderosa Pine (Pinus Ponderosa) In The Central Rocky Mountains, Usa, Jodi R. Norris, Julio L. Betancourt, Stephen T. Jackson
United States National Park Service: Publications
Aim: Ponderosa pine (Pinus ponderosa) experienced one of the most extensive and rapid post-glacial plant migrations in western North America. We used plant macrofossils from woodrat (Neotoma) middens to reconstruct its spread in the Central Rocky Mountains, identify other vegetation changes coinciding with P. ponderosa expansion at the same sites, and relate P. ponderosa migrational history to both its modern phylogeography and to a parallel expansion by Utah juniper (Juniperus osteosperma).
Location: Central Rocky Mountains, Wyoming and Montana, and Black Hills, Wyoming and South Dakota, USA.
Methods: Plant macrofossils were analysed in …
Export Barriers And Competitiveness Of Small And Medium-Sized Enterprise In Developing Countries: Case Study In Ethiopian Leather Footwear Manufacturing Firms, Gebreyohannes Gebreslassie Gebrewahid
Export Barriers And Competitiveness Of Small And Medium-Sized Enterprise In Developing Countries: Case Study In Ethiopian Leather Footwear Manufacturing Firms, Gebreyohannes Gebreslassie Gebrewahid
International Conference on African Development Archives
Export is one of the most important business activities that play a significant role for economic development of nations. Hence, this study aimed to investigate the export barriers and export competitiveness of the Ethiopian Leather Footwear manufacturing firms in particular and the industry in general. Purposively, 100 respondents were selected from 15 exporting firms in the leather industry. In addition, interview was held with some top managers and owners to collect more detail information. The survey data is analyzed using factor analysis and MDS techniques. Using factor analysis, 10 conceptually linked components were empirically identified. Both factor loadings and factor …
The Conflict Resolution Case Study In Urban Life: Bull Run Watershed Case, Chang-Yu Hong
The Conflict Resolution Case Study In Urban Life: Bull Run Watershed Case, Chang-Yu Hong
Geography Faculty Publications and Presentations
The City of Portland and the United States Department of Agriculture (USDA) Forest Service are working together, along with citizens, to formulate a comprehensive new policy to guide joint management of the Bull Run watershed at Mt. Hood National Forest. This process has brought about four decades of conflict, resulting from differences between the federal view of multiple use and the local view of exclusive use for producing high quality water. The new policy is being formulated by the City of Portland and the Forest Service through negotiation of a comprehensive Memorandum of Understanding that structures the parties’ roles, responsibilities, …
Guns, Gender, Geography: Exploring Reasons For Gun Ownership, Lauren N. Kadet
Guns, Gender, Geography: Exploring Reasons For Gun Ownership, Lauren N. Kadet
College of Graduate Studies: Theses & Dissertations
This study was aimed to depict patterns of gun ownership in the United States and to outline the reasons for gun ownership and the influential variables associated with people’s reasons for owning handguns and long guns. This study used data derived from the 2004 National Firearm Survey to examine how respondents’ geographic region of residency, gender, race, age, rural location and education level influenced the likelihood of, and reasons for owning a firearm. The findings from this study suggest that being a male, living in the south and participants’ age was significant in determining the likelihood of participants owning a …
Identifying Data Centers From Satellite Imagery, Adam Buskirk
Identifying Data Centers From Satellite Imagery, Adam Buskirk
Electronic Theses and Dissertations
We develop two different descriptors which can be utilized to describe satellite imagery. The first, the differential-magnitude and radius descriptor, describes a scene by computing the directional gradient of the scene with respect to a vector field whose solutions are circles around a pixel to be described, and then counts pixels in a descriptor matrix according to the magnitude of this gradient and the distance at which this magnitude occurs. The second, the radial Fourier descriptor, extracts from the scene a sequence of annuloid sectors, and uses this to approximate the behavior of the image on a circle around the …
Celebrating 100 Years Of The National Park System In The Classroom, Kailyn Louise Bettle
Celebrating 100 Years Of The National Park System In The Classroom, Kailyn Louise Bettle
Honors Program Theses
This research evaluates the effects of a curricular tool on students in a social studies and upper elementary classroom. Consisting of a text set, a compilation of varying primary and secondary resources such as letters and maps at varying reading levels, focused around an interesting central topic. The research employs text sets created for fourth and seventh grade on the topic of US national parks and focuses on the history of national parks, curricular materials already available on national parks, creation of the text sets, and the importance of disciplinary literacy and interdisciplinary connections between geography and literacy. The text …
Land Cover Land Use Change And Soil Organic Carbon Under Climate Variability In The Semi-Arid West African Sahel (1960-2050), Amadou M. Dieye
Land Cover Land Use Change And Soil Organic Carbon Under Climate Variability In The Semi-Arid West African Sahel (1960-2050), Amadou M. Dieye
Electronic Theses and Dissertations
Land Cover Land Use (LCLU) change affects land surface processes recognized to influence climate change at local, national and global levels. Soil organic carbon is a key component for the functioning of agro-ecosystems and has a direct effect on the physical, chemical and biological characteristics of the soil. The capacity to model and project LCLU change is of considerable interest for mitigation and adaptation measures in response to climate change. A combination of remote sensing analyses, qualitative social survey techniques, and biogeochemical modeling was used to study the relationships between climate change, LCLU change and soil organic carbon in the …
Simulating The Impacts Of Land-Use Land-Cover Changes On Cropland Carbon Fluxes In The Midwest Of The United States, Zhengpeng Li
Simulating The Impacts Of Land-Use Land-Cover Changes On Cropland Carbon Fluxes In The Midwest Of The United States, Zhengpeng Li
Electronic Theses and Dissertations
Understanding the major drivers of the cropland carbon fluxes is important for carbon management and greenhouse gas mitigation in agriculture. Past studies found that agricultural land-use and land-cover (LULC) changes, such as changes in cropland production technologies, tillage practices, and planted crop species, could have large impacts on carbon fluxes. However, the impacts remain highly uncertain at regional to global scales. Satellite remote sensing is commonly used to create products with geospatial information on LULC changes. This geospatial information can be integrated into biogeochemical models to simulate the spatial and temporal patterns of carbon fluxes. We used the General Ensemble …
Using Remote Sensing And Biogeographic Modeling To Understand The Oak Savannas Of The Sheyenne National Grassland, North Dakota, Usa, Mandira Sigdelphuyal
Using Remote Sensing And Biogeographic Modeling To Understand The Oak Savannas Of The Sheyenne National Grassland, North Dakota, Usa, Mandira Sigdelphuyal
Electronic Theses and Dissertations
Oak savannas are valuable and complex ecosystems that provide multiple ecosystem goods and services, including grazing for livestock, watershed regulation, and recreation. These ecosystems of the woodland-prairie ecoregion of the Midwestern United States are, however, in danger of disappearing. The Sheyenne National Grassland, North Dakota, a protected Prairie grassland-savanna, is a representative of such rare habitats, where oak savanna is found at the landscape scale. In this research, I map the distribution patterns of oak savanna in the Sheyenne using a combination of remote sensing and geospatial datasets, including landscape topography, soils, and fire disturbance. Further, I interpret the performance …
40 Trees: The Quest To Save Whitebark Pine On The Flathead Indian Reservation, Andrew S. Graham
40 Trees: The Quest To Save Whitebark Pine On The Flathead Indian Reservation, Andrew S. Graham
Graduate Student Theses, Dissertations, & Professional Papers
When it comes to managing natural resources in the face of global climate change, sometimes localized action is best. Rick Everett spent a lot of time in western forests - first as a ski patroller and logger and then as an ecologist - before landing as a professor at a tribal community college on the Flathead Indian Reservation. Now he faces a challenging new question: How do you save a tree species that is ecologically valuable to the forest and culturally valuable to Native American tribes, but is being pushed toward extinction by forces varied, deadly and driven by climate …