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Articles 1 - 30 of 302
Full-Text Articles in Entire DC Network
Ecology Of Urban Bees: A Review Of Current Knowledge And Directions For Future Study, J. L. Hernandez, G. W. Frankie, R. W. Thorp
Ecology Of Urban Bees: A Review Of Current Knowledge And Directions For Future Study, J. L. Hernandez, G. W. Frankie, R. W. Thorp
Cities and the Environment (CATE)
Urban bee ecology is an emerging field that holds promise for advancing knowledge of bee community dynamics and promoting bee conservation. Published studies of bee communities in urban and suburban habitats are fewer than those documenting bees in agricultural and wildland settings. As land lost to urbanization is predicted to increase in coming years the necessity of studying urban bee populations is growing. We reviewed 59 publications on urban bee ecology with the following goals, to assess current knowledge, to highlight areas in need of further research, and to suggest applications of study findings to bee conservation. Methodological variation between …
Avian Use Of Harvested Crop Fields In North Dakota During Spring Migration, Alegra M. Galle, George M. Linz, H. Jeffrey Homan, William J. Bleier
Avian Use Of Harvested Crop Fields In North Dakota During Spring Migration, Alegra M. Galle, George M. Linz, H. Jeffrey Homan, William J. Bleier
Western North American Naturalist
Broad-spectrum herbicide applications and improved harvesting efficiency of crops have reduced the availability of weed seeds and waste grains for game and nongame wildlife. Over the last decade, corn and soybean plantings have steadily increased in the Prairie Pothole Region (PPR) of North Dakota, while sunflower plantings have declined. The PPR is an important corridor for migratory birds, and changes in food availabilities at stopover habitats may affect how food resources are used. In early spring 2003 and 2004, we compared bird use of harvested fields of sunflower, soybeans, small grains, and corn in the PPR of North Dakota. Across …
Population Ecology And Reproduction Of The Mexican Mud Turtle (Kinosternon Integrum) In Tonatico, Estado De México, Rodrigo Macip-Ríos, Maria De Lourdes Arias Cisneros, Xochitl S. Aguilar-Miguel, Gustavo Casas-Andreu
Population Ecology And Reproduction Of The Mexican Mud Turtle (Kinosternon Integrum) In Tonatico, Estado De México, Rodrigo Macip-Ríos, Maria De Lourdes Arias Cisneros, Xochitl S. Aguilar-Miguel, Gustavo Casas-Andreu
Western North American Naturalist
Ecological data directly from the field are important in understanding the life history strategies of kinosternid species in the tropics. Herein we summarize the basic population ecology and life history of Kinosternon integrum in the municipality of Tonatico (southeastern Estado de México, México). From October 2003 to November 2004, we marked a total of 204 turtles and recaptured 118 of them. Mean population size using the Jolly-Seber model was 197 (95% CI 128–416) individuals, with a sex ratio of 1:1.7, biased to females. Males were larger than females in carapace length and plastron length. The reproductive season starts in late …
Arthropod And Plant Communities As Indicators Of Land Rehabilitation Effectiveness In A Semiarid Shrubsteppe, Eric T. Gardner, Val J. Anderson, Robert L. Johnson
Arthropod And Plant Communities As Indicators Of Land Rehabilitation Effectiveness In A Semiarid Shrubsteppe, Eric T. Gardner, Val J. Anderson, Robert L. Johnson
Western North American Naturalist
We describe a case study evaluating the ecological impact of Bromus tectorum L. (cheatgrass) invasion following fire disturbance and the effectiveness of revegetation as a means of rehabilitation in a degraded semiarid shrubsteppe system. The effectiveness of rehabilitation efforts was assessed relative to arthropod richness, vegetation and arthropod community composition, and ground-cover characteristics in 3 habitats: undisturbed, burned and weed infested (B. tectorum), and burned then rehabilitated with native and nonnative vegetation. Arthropods were collected in each habitat using pitfall traps. Differences in arthropod richness were compared using rarefaction curves. Nonmetric multidimensional scaling and nonparametric multivariate statistical procedures, …
Note On The Occurrence Of Siphlonurus Autumnalis (Ephemeroptera: Siphlonuridae) In A Montana Spring Brook, Robert L. Newell, Michelle L. Anderson
Note On The Occurrence Of Siphlonurus Autumnalis (Ephemeroptera: Siphlonuridae) In A Montana Spring Brook, Robert L. Newell, Michelle L. Anderson
Western North American Naturalist
The little-known mayfly Siphlonurus autumnalis McDunnough (Ephemeroptera: Siphlonuridae) was collected from several locations in its floodplain habitats along the Middle Fork of the Flathead River in western Montana. To confirm identification, nymphs were reared along with an associated species, S. occidentalis Eaton (Ephemeroptera: Siphlonuridae). Adults emerged from 6 September until 16 October. Habitats are described and the first photos of the 2 sexes are provided.
Detection Of Tick-Borne Bacterial Agents In Lone Star Ticks (Amblyomma Americanum) And Various Wildlife In Mississippi, Ashley Harris Castellaw
Detection Of Tick-Borne Bacterial Agents In Lone Star Ticks (Amblyomma Americanum) And Various Wildlife In Mississippi, Ashley Harris Castellaw
Theses and Dissertations
Two studies were conducted to evaluate the presence of tick-borne bacterial agents in Amblyomma americanum, lone star tick (LST), and various wildlife in Mississippi. Adult LSTs had DNA evidence of Ehrlichia chaffeensis (3.7%), E. ewingii (6.3%), and Borrelia lonestari (2.6%), while both larval (24.3%) and adult (43.5%) LSTs were positive for a Rickettsia spp. by polymerase chain reaction (PCR). White-tailed deer (WTD) were the only wildlife PCR positive for E. chaffeensis (18.8%), B. lonestari (3.1%), and Anaplasma phagocytophilum (3.1%). In addition, WTD had the highest seroprevalence to B. lonestari (19.3%) and E. chaffeensis (43.9%) antigens while raccoons had the highest …
Biogeochemistry Of Microbial Mats From A Hypersaline Pond And Reef Biofilm From A Modern Coral Reef, The Bahamas, Mary Keith Puckett
Biogeochemistry Of Microbial Mats From A Hypersaline Pond And Reef Biofilm From A Modern Coral Reef, The Bahamas, Mary Keith Puckett
Theses and Dissertations
Biofilm communities host complex biogeochemical processes and play a role in the formation of many carbonate rocks by influencing both carbonate precipitation and dissolution. In this study, the biogeochemistry of microbial mats from a hypersaline pond and biofilm from a coral reef are described using SEM, microelectrode profiling, Biolog, fatty acid methyl ester (FAME) and carbon nitrogen analysis. Results show that the microbial mats are distinctly layered, having an oxic upper portion and an H2S-rich lower portion. The most significant conclusions are that the mats have exceptionally high TOC values and display significant differences in microbial communities present, both between …
The Ecological Importance Of Extrinsic And Intrinsic Drivers Of Animal Movement, Josh Earl Rasmussen
The Ecological Importance Of Extrinsic And Intrinsic Drivers Of Animal Movement, Josh Earl Rasmussen
Theses and Dissertations
The movement of individuals is foundational to many ecological processes. For example, the movement of an organism from one place to another alters population density at both sites and has potential for affecting the genetic dynamics within the new population. Individual movement events may be in synchrony with overall trends in populations, e.g. spawning migrations, or may be atypical (asynchronous). This latter movement type can affect population and metapopulation dynamics, depending on its prevalence within a population. Nevertheless, given the complexity of interactions, the causative factors of movement are understood vaguely, much less for aquatic organisms. Drivers of movement are …
Ex. 279-Us-401, Dudley W. Reiser
Ex. 279-Us-401, Dudley W. Reiser
Hedden-Nicely Collection, All
Curriculum Vitae of Dudley W. Reiser
Ex. 279-Us-401, Dudley W. Reiser
Ex. 279-Us-401, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Curriculum Vitae of Dudley W. Reiser
Ex. 277-Us-400, Dudley W. Reiser
Ex. 277-Us-400, Dudley W. Reiser
Hedden-Nicely Collection, All
The affidavit and direct testimony of Dudley W. Reiser, Ph.D.
Ex. 277-Us-401, Dudley W. Reiser
Ex. 277-Us-401, Dudley W. Reiser
Hedden-Nicely Collection, All
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 279-Us-400 (Corrected), Dudley W. Reiser
Ex. 279-Us-400 (Corrected), Dudley W. Reiser
Hedden-Nicely Collection, All
The affidavit and direct testimony of Dudley W. Reiser, Ph.D.
Ex. 280-Us-401, Dudley W. Reiser
Ex. 280-Us-401, Dudley W. Reiser
Hedden-Nicely Collection, All
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 280-Us-411, R2 Resource Consultants, Inc
Ex. 280-Us-411, R2 Resource Consultants, Inc
Hedden-Nicely Collection, All
A May 2005 report of the comparison of benthic macroinvertebrates in spring- verses run-off-dominated streams in the Upper Klamath Basin, Oregon
Ex. 280-Us-400 (Corrected), Dudley W. Reiser
Ex. 280-Us-400 (Corrected), Dudley W. Reiser
Hedden-Nicely Collection, All
Affidavit and direct testimony of Dudley W. Reiser.
Ex. 281-Us-401, Dudley W. Reiser
Ex. 281-Us-401, Dudley W. Reiser
Hedden-Nicely Collection, All
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 281-Us-407, Timothy L. Nightengale, Dudley W. Reiser
Ex. 281-Us-407, Timothy L. Nightengale, Dudley W. Reiser
Hedden-Nicely Collection, All
A May 2005 Report: Comparison of Benthic Macroinertebrates in Spring- Verses Run-off-Dominated Streams in the Upper Klamath Basin, Oregon
Ex. 281-Us-400, Dudley W. Reiser
Ex. 281-Us-400, Dudley W. Reiser
Hedden-Nicely Collection, All
Affidavit and direct testimony of Dudley W. Reiser.
Ex. 277-Us-401, Dudley W. Reiser
Ex. 277-Us-401, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 277-Us-400, Dudley W. Reiser
Ex. 277-Us-400, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
The affidavit and direct testimony of Dudley W. Reiser, Ph.D.
Ex. 279-Us-400 (Corrected), Dudley W. Reiser
Ex. 279-Us-400 (Corrected), Dudley W. Reiser
In re Klamath River (Klamath Tribe)
The affidavit and direct testimony of Dudley W. Reiser, Ph.D.
Ex. 280-Us-401, Dudley W. Reiser
Ex. 280-Us-401, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 280-Us-411, R2 Resource Consultants, Inc
Ex. 280-Us-411, R2 Resource Consultants, Inc
In re Klamath River (Klamath Tribe)
A May 2005 report of the comparison of benthic macroinvertebrates in spring- verses run-off-dominated streams in the Upper Klamath Basin, Oregon
Ex. 280-Us-400 (Corrected), Dudley W. Reiser
Ex. 280-Us-400 (Corrected), Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Affidavit and direct testimony of Dudley W. Reiser.
Ex. 281-Us-401, Dudley W. Reiser
Ex. 281-Us-401, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Cirrrculum Vitae of Dudley W. Reiser, Ph.D.
Ex. 281-Us-407, Timothy L. Nightengale, Dudley W. Reiser
Ex. 281-Us-407, Timothy L. Nightengale, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
A May 2005 Report: Comparison of Benthic Macroinertebrates in Spring- Verses Run-off-Dominated Streams in the Upper Klamath Basin, Oregon
Ex. 281-Us-400, Dudley W. Reiser
Ex. 281-Us-400, Dudley W. Reiser
In re Klamath River (Klamath Tribe)
Affidavit and direct testimony of Dudley W. Reiser.
Identification Of Eurycea Using Cytochrome B, Karis A. Myers
Identification Of Eurycea Using Cytochrome B, Karis A. Myers
Senior Honors Theses
Genomic sequencing is a powerful tool that has many applications for research, one of which is in the field of taxonomy and the identification of species. This thesis discusses the mitochondrial gene cytochrome b and its utility in population genetics and identification of larval amphibians. The development of the Polymerase Chain Reaction and primers are an integral part of the modern DNA sequencing process. The Polymerase Chain Reaction is used to amplify a target DNA sequence, and the protocol for this procedure must be optimized for the specific sequence of target DNA. Primers must also be designed and modified for …
Anthropology Collection Development Policy, David C. Tyler
Anthropology Collection Development Policy, David C. Tyler
UNL Libraries: Collection Development Policies
The anthropology collection supports the teaching, research and service activities of the entire university community. Its primary audience is the faculty, staff, and students of the Department of Anthropology in the College of Arts and Sciences (note: prior to 2009, the department was part of the conjoined Department of Anthropology & Geography). Its primary focus is support for the undergraduate and graduate curricula for anthropology. Narrowly specific and transient research needs of anthropology faculty and graduate students are supplemented through Interlibrary Loan. Materials are not purchased for the general public, though the public may benefit from the collection. The collection …