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Articles 1 - 30 of 505
Full-Text Articles in Life Sciences
Evaluating Behavioral Responses Of Nesting Lesser Snow Geese To Unmanned Aircraft Surveys, Andrew Barnas, Robert Newman, Christopher J. Felege, Michael P. Corcoran, Samuel D. Hervey, Tanner J. Stechmann, Robert F. Rockwell, Susan N. Ellis-Felege
Evaluating Behavioral Responses Of Nesting Lesser Snow Geese To Unmanned Aircraft Surveys, Andrew Barnas, Robert Newman, Christopher J. Felege, Michael P. Corcoran, Samuel D. Hervey, Tanner J. Stechmann, Robert F. Rockwell, Susan N. Ellis-Felege
Publications and Research
Unmanned aircraft systems (UAS) are relatively new technologies gaining popularity among wildlife biologists. As with any new tool in wildlife science, operating protocols must be developed through rigorous protocol testing. Few studies have been conducted that quantify the impacts UAS may have on unhabituated individuals in the wild using standard aerial survey protocols. We evaluated impacts of unmanned surveys by measuring UAS-induced behavioral responses during the nesting phase of lesser snow geese (Anser caerulescens caerulescens) in Wapusk National Park, Manitoba, Canada. We conducted surveys with a fixed-wing Trimble UX5 and monitored behavioral changes via discreet surveillance cameras at 25 nests. …
Comparative Study Of Spinning Field Development In Two Species Of Araneophagic Spiders (Araneae, Mimetidae, Australomimetus), Mark A. Townley, Danilo Harms
Comparative Study Of Spinning Field Development In Two Species Of Araneophagic Spiders (Araneae, Mimetidae, Australomimetus), Mark A. Townley, Danilo Harms
Molecular, Cellular & Biomedical Sciences
External studies of spider spinning fields allow us to make inferences about internal silk gland biology, including what happens to silk glands when the spider molts. Such studies often focus on adults, but juveniles can provide additional insight on spinning apparatus development and character polarity. Here we document and describe spinning fields at all stadia in two species of pirate spider (Mimetidae: Australomimetus spinosus, A. djuka). Pirate spiders nest within the ecribellate orb-building spiders (Araneoidea), but are vagrant, araneophagic members that do not build prey-capture webs. Correspondingly, they lack aggregate and flagelliform silk glands (AG, FL), specialized for forming prey-capture …
Zoo Animal Management Avs 327x, Michael Cerbo
Zoo Animal Management Avs 327x, Michael Cerbo
Library Impact Statements
No abstract provided.
Inhibition Of Growth And Ammonia Production Of Ruminal Hyper Ammonia-Producing Bacteria By Chinook Or Galena Hops After Long-Term Storage, Michael D. Flythe, Brittany E. Harlow, Glen E. Aiken, Gloria L. Gellin, Isabelle A. Kagan, Jesse Pappas
Inhibition Of Growth And Ammonia Production Of Ruminal Hyper Ammonia-Producing Bacteria By Chinook Or Galena Hops After Long-Term Storage, Michael D. Flythe, Brittany E. Harlow, Glen E. Aiken, Gloria L. Gellin, Isabelle A. Kagan, Jesse Pappas
Animal and Food Sciences Faculty Publications
Surplus hops (Humulus lupulus L.) that are not needed by the brewing industry could be used as a feed supplement for cattle and other ruminants. Previous research indicates that antimicrobial hops plant secondary metabolites (i.e., α- and β-acids) inhibit methane and ammonia production and promote the growth of ruminant animals. The goal was to determine that hop pellets produced for brewing still possessed the requisite antimicrobial activity after 5-year storage. HPLC (high performance liquid chromatography) analysis indicated that the α- and β-acid concentrations in two varieties of hops were relatively stable after 5 years of storage under N2 …
Integrating Herbivore Population Dynamics Into A Global Land Biosphere Model: Plugging Animals Into The Earth System, Shree R. S. Dangal, Hanqin Tian, Chaoqun Lu, Wei Ren, Shufen Pan, Jia Yang, Nicola Di Cosmo, Amy Hessl
Integrating Herbivore Population Dynamics Into A Global Land Biosphere Model: Plugging Animals Into The Earth System, Shree R. S. Dangal, Hanqin Tian, Chaoqun Lu, Wei Ren, Shufen Pan, Jia Yang, Nicola Di Cosmo, Amy Hessl
Plant and Soil Sciences Faculty Publications
Mammalian herbivores are an essential component of grassland and savanna ecosystems, and with feedbacks to the climate system. To date, the response and feedbacks of mammalian herbivores to changes in both abiotic and biotic factors are poorly quantified and not adequately represented in the current global land surface modeling framework. In this study, we coupled herbivore population dynamics in a global land model (the Dynamic Land Ecosystem Model, DLEM 3.0) to simulate populations of horses, cattle, sheep, and goats, and their responses to changes in multiple environmental factors at the site level across different continents during 1980–2010. Simulated results show …
Small-Animal Models Of Zika Virus, Justin G. Julander, Venkatraman Siddharthan
Small-Animal Models Of Zika Virus, Justin G. Julander, Venkatraman Siddharthan
Animal, Dairy, and Veterinary Science Faculty Publications
Zika virus (ZIKV) infection can result in serious consequences, including severe congenital manifestations, persistent infection in the testes and neurologic sequelae. After a pandemic emergence, the virus has spread to much of the new world and has been introduced to many countries outside of endemic areas as infected travelers return to their home countries. Rodent models have been important in gaining a better understanding of the wide range of disease etiologies associated with ZIKV infection and for the initial phase of developing countermeasures to prevent or treat viral infections. We discuss herein the advantages and disadvantages of small animal models …
Effects Of Carbon Dioxide On Turkey Poult Performance And Behavior, M G.L Candido, Y Xiong, R S. Gates, I F.F. Tinoco, K W. Koelkebeck
Effects Of Carbon Dioxide On Turkey Poult Performance And Behavior, M G.L Candido, Y Xiong, R S. Gates, I F.F. Tinoco, K W. Koelkebeck
Department of Animal Science: Faculty Publications
Appropriate ventilation of poultry facilities is critical for achieving optimum performance. Ventilation promotes good air exchange to remove harmful gases, excessive heat, moisture, and particulate matter. In a turkey brooder barn, carbon dioxide (CO2) may be present at higher levels during the winter due to reduced ventilation rates to maintain high temperatures. This higher CO2 may negatively affect turkey poult performance. Therefore, the objective of this study was to evaluate the effects of subjecting tom turkey poults (commercial Large White Hybrid Converters) to different constant levels of atmospheric CO2 on their growth performance and behavior. In …
Translating Statistical Species-Habitat Models To Interactive Decision Support Tools, Lyndsie S. Wszola, Victoria L. Simonsen, Erica F. Stuber, Caitlyn R. Gillespie, Lindsey N. Messinger, Karie L. Decker, Jeffrey J. Lusk, Christopher F. Jorgensen, Andrew A. Bishop, Joseph J. Fontaine
Translating Statistical Species-Habitat Models To Interactive Decision Support Tools, Lyndsie S. Wszola, Victoria L. Simonsen, Erica F. Stuber, Caitlyn R. Gillespie, Lindsey N. Messinger, Karie L. Decker, Jeffrey J. Lusk, Christopher F. Jorgensen, Andrew A. Bishop, Joseph J. Fontaine
Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications
Understanding species-habitat relationships is vital to successful conservation, but the tools used to communicate species-habitat relationships are often poorly suited to the information needs of conservation practitioners. Here we present a novel method for translating a statistical species-habitat model, a regression analysis relating ring-necked pheasant abundance to landcover, into an interactive online tool. The Pheasant Habitat Simulator combines the analytical power of the R programming environment with the user-friendly Shiny web interface to create an online platform in which wildlife professionals can explore the effects of variation in local landcover on relative pheasant habitat suitability within spatial scales relevant to …
Expression And Role Of Gonadotropin-Releasing Hormone 2 And Its Receptor In Mammals, Amy Desaulniers, Rebecca A. Cederberg, Clay A. Lents, Brett R. White
Expression And Role Of Gonadotropin-Releasing Hormone 2 And Its Receptor In Mammals, Amy Desaulniers, Rebecca A. Cederberg, Clay A. Lents, Brett R. White
Department of Animal Science: Faculty Publications
Gonadotropin-releasing hormone 1 (GnRH1) and its receptor (GnRHR1) drive mammalian reproduction via regulation of the gonadotropins. Yet, a second form of GnRH (GnRH2) and its receptor (GnRHR2) also exist in mammals. GnRH2 has been completely conserved throughout 500 million years of evolution, signifying high selection pressure and a critical biological role. However, the GnRH2 gene is absent (e.g., rat) or inactivated (e.g., cow and sheep) in some species but retained in others (e.g., human, horse, and pig). Likewise, many species (e.g., human, chimpanzee, cow, and sheep) retain the GnRHR2 gene but lack the appropriate coding sequence to produce a full-length …
Advanced Biotechnology Tools For Invasive Species Management, Invasive Species Advisory Committee
Advanced Biotechnology Tools For Invasive Species Management, Invasive Species Advisory Committee
National Invasive Species Council
Increasingly, genetic tools are being used to detect and solve pressing environmental, social, and health-related challenges. It is clear that investments in technology innovation can be game changing, as advances in biotechnology may provide new methods to protect the nation’s resources from the negative impacts of invasive species. The current toolbox of management options is recognizably insufficient to deal with many of the high-impact species that have been introduced. However, “surrendering” to these species is generally not a viable option from ecological, health, economic, socio-cultural, or political perspectives. Cost-efficient solutions to these “grand invasive species challenges” need to be found. …
Managed Relocation: Reducing The Risk Of Biological Invasion, Edward E. Clark Jr., Dan Simberloff, Mark Schwartz, Brent Stewart, John Peter Thompson
Managed Relocation: Reducing The Risk Of Biological Invasion, Edward E. Clark Jr., Dan Simberloff, Mark Schwartz, Brent Stewart, John Peter Thompson
National Invasive Species Council
Key Finding
Any organism that is relocated to a novel ecosystem has the potential to become an invasive species or spread “hitching” invasive species, or both. Managed Relocation is not congruent with Executive Order 13112 to the extent that it might facilitate “economic or environmental harm or harm to human, animal, or plant health.” Consequently, the actions by federal agencies or those entities supported by federal funding to engage in managed relocation need to be addressed in a manner consistent with EO 13751 Section 3(3), which compels Agencies to:
Refrain from authorizing, funding, or implementing actions that are likely to …
Enhancing Federal-Tribal Coordination Of Invasive Species, Blaine Parker, Chuck Bargeron, Sean Southey, Lori Buchanan, Miles Falck, Chris Fisher, Joe Maroney, Mervin Wright, Gintas Zavadkas
Enhancing Federal-Tribal Coordination Of Invasive Species, Blaine Parker, Chuck Bargeron, Sean Southey, Lori Buchanan, Miles Falck, Chris Fisher, Joe Maroney, Mervin Wright, Gintas Zavadkas
National Invasive Species Council
Invasive species are defined by the United States government to mean “with regard to a particular ecosystem, a non-native organism whose introduction causes or is likely to cause economic or environmental harm, or harm to human, animal, or plant health” (Executive Order [EO] 13751). The ecosystems to which invasive species are introduced or spread are not delimited by jurisdictional boundaries; they intersect with lands managed by federal, tribal, state, territorial, and county governments, as well as properties under private ownership. For this reason, effective coordination and cooperation across jurisdictions is of paramount importance in the prevention, eradication, and control of …
The Effects Of Feed Additives In Beef Finishing Systems And The Effect Of Rumen Degradable Protein Supplementation In Corn Residue Grazing Systems With The Use Of Distillers On Growth Performance, Robert M. Jones
Department of Animal Science: Dissertations, Theses, and Student Research
One receiving trial evaluated the effect of the feed additive monensin (trade name: Rumensin) on steer growth performance in the receiving period while evaluating the effects of two receiving vaccinations on morbidity and mortality of newly received calves. No differences were observed in growth performance, morbidity rate or mortality rate between treatments for the first 28 d of receiving. A finishing trial evaluated the effect of the feed additive ractopamine hydrochloride (trade name: Optaflexx) on feedlot growth performance and carcass characteristics of crossbred yearling steers fed to differing degrees of finish. Feeding ractopamine hydrochloride at 300 mg improved ADG, G:F, …
Evaluation Of Corn Condensed Distillers Solubles In Beef Cattle Diets And Grazing Double-Cropped Forages Following Corn Harvest, Benjamin H. Hansen
Evaluation Of Corn Condensed Distillers Solubles In Beef Cattle Diets And Grazing Double-Cropped Forages Following Corn Harvest, Benjamin H. Hansen
Department of Animal Science: Dissertations, Theses, and Student Research
Corn condensed distillers solubles (CDS) is a protein and energy dense by-product from dry-milled production of ethanol. Recent oil extraction has posed modifications to the nutrient profile of CDS, suggesting that de-oiled CDS needs to be re-evaluated in beef cattle diets. Three experiments were conducted to evaluate the effects of CDS in high-concentrate diets, forage-based diets, as well as evaluate the effects of CDS on diet digestibility and rumen fermentation parameters in forage-based diets. Feeding CDS in high-concentrate diets up to 20% of the diet DM or in combination with wet distillers grains plus solubles (WDGS) improved performance and resulted …
Methane From Lactating Dairy Cattle: Studies For Mitigation, Diurnal Variation, And Role In Energy Metabolism, Jared Vern Judy
Methane From Lactating Dairy Cattle: Studies For Mitigation, Diurnal Variation, And Role In Energy Metabolism, Jared Vern Judy
Department of Animal Science: Dissertations, Theses, and Student Research
Reducing methane production in dairy cattle has received an increased interest due to environmental concerns associated with its potency as a greenhouse gas. Methane represents lost energy in cattle and reduction may increase animal efficiency and productivity. Experiment 1 evaluated strategies of mitigating methane production in lactating dairy cattle with inclusion of dried distillers grains and solubles (DDGS), DDGS with added corn oil, and DDGS with added calcium sulfate and effects on energy and nitrogen balance. Inclusion of DDGS, corn oil, and calcium sulfate, increased DMI and milk yield. Methane production was reduced with addition of corn oil …
Gastrointestinal Parasites In Captive And Free-Ranging Cebus Albifrons In The Western Amazon, Ecuador, Sarah Martin-Solano, Gabriel A. Carrillo-Bilbao, William Ramirez, Maritza Celi-Erazo, Marie-Claude Huynen, Bruno Levecke, Washington Benitez-Ortiz, Bertrand Losson
Gastrointestinal Parasites In Captive And Free-Ranging Cebus Albifrons In The Western Amazon, Ecuador, Sarah Martin-Solano, Gabriel A. Carrillo-Bilbao, William Ramirez, Maritza Celi-Erazo, Marie-Claude Huynen, Bruno Levecke, Washington Benitez-Ortiz, Bertrand Losson
All Faculty Scholarship for the College of the Sciences
Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the whiteheaded capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (= number of different parasite genera) of parasites in C. albifrons in wildlife refuges (n = 11) and in a free-ranging group near a human village (n = 15) in the Ecuadorian Amazon. In the 78 samples collected (median of 3 samples per animal), we identified a total of 6 genera of gastrointestinal parasites, representing protozoa, nematodes, acanthocephalans and cestodes. We observed a high prevalence (84%) across the 26 individuals, with the …
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2015, Leah English, Jennie Popp, Wayne Miller
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2015, Leah English, Jennie Popp, Wayne Miller
Research Reports and Research Bulletins
Agriculture and associated agricultural activities are major contributors to the Arkansas economy. Agriculture is defined as the sum of agricultural production and processing activities, unless otherwise specified, and includes crop and animal production and processing, agricultural support industries, forestry and forest products, and textile goods. Agriculture contributes to the economy through direct agricultural production and value-added processing, and also leads to economic activity in other parts of the economy. This report is the tenth in a series of reports examining agriculture’s economic contribution to the Arkansas economy. The total economic contribution of agriculture (direct, indirect, and induced effects) on value …
Avs Corner, December 2017, Farzana Ferdous (Advisor), Caitlin Mathews, Emily Alexander, Brooke Redmond, Meghan Courey, Erika Jones, Wendy Guzman, Peyton Voirin, Morgan Forte
Avs Corner, December 2017, Farzana Ferdous (Advisor), Caitlin Mathews, Emily Alexander, Brooke Redmond, Meghan Courey, Erika Jones, Wendy Guzman, Peyton Voirin, Morgan Forte
AVS Corner
No abstract provided.
The Development Of A Specific Pathogen Free (Spf) Barrier Colony Of Marmosets (Callithrix Jacchus) For Aging Research, Corinna N. Ross, Steven Austad, Kathy Brasky, Celeste J. Brown, Larry J. Forney, Jonathan A. Gelfond, Robert Lanford, Arlan Richardson, Suzette D. Tardif
The Development Of A Specific Pathogen Free (Spf) Barrier Colony Of Marmosets (Callithrix Jacchus) For Aging Research, Corinna N. Ross, Steven Austad, Kathy Brasky, Celeste J. Brown, Larry J. Forney, Jonathan A. Gelfond, Robert Lanford, Arlan Richardson, Suzette D. Tardif
Biology Faculty Publications
A specific pathogen free (SPF) barrier colony of breeding marmosets (Callithrix jacchus) was established at the Barshop Institute for Longevity and Aging Studies. Rodent and other animal models maintained as SPF barrier colonies have demonstrated improved health and lengthened lifespans enhancing the quality and repeatability of aging research. The marmosets were screened for two viruses and several bacterial pathogens prior to establishing the new SPF colony. Twelve founding animals successfully established a breeding colony with increased reproductive success, improved health parameters, and increased median lifespan when compared to a conventionally housed, open colony. The improved health and longevity of marmosets …
Landings, Vol. 25, No. 12, Maine Lobstermen’S Community Alliance
Landings, Vol. 25, No. 12, Maine Lobstermen’S Community Alliance
Landings: News & Views from Maine's Lobstering Community
Landings content emphasizes science, history, resource sustainability, economic development, and human interest stories related to
Maine’s lobster industry. The newsletter emphasizes lobstering as a traditional, majority-European American lifeway with an economic and social heritage unique to the coast of Maine. The publication focuses how ongoing research to engage in sustainable, non-harmful, and non-wasteful commercial fishing practices benefit both the fishery and Maine's coastal legacy.
Maine Lobstermen’s Community Alliance (MLCA) started publication of Landings, a 24-page newsletter in January 2013 as the successor of the Maine Lobstermen’s Association (MLA) Newsletter. As of 2022, the MLCA published over 6,500 copies of …
Repeated Observations Of Northern Goshawks Foraging As Terrestrial Predators, Robert A. Miller
Repeated Observations Of Northern Goshawks Foraging As Terrestrial Predators, Robert A. Miller
Intermountain Bird Observatory Publications and Presentations
The Northern Goshawk (Accipiter gentilis; hereafter goshawk) is a generalist predator occupying boreal and temperate forests of the Holarctic (Squires and Reynolds 1997). The diet of goshawks has been studied in many areas and varies substantially among study sites, but some avian and mammalian genera are consistently represented (Squires and Reynolds 1997, Squires and Kennedy 2006). Within the northern Great Basin of North America, the breeding-season diet of goshawks is often dominated by Belding's ground squirrels (Urocitellus beldingi, also known as Spermophilus beldingi; Younk and Bechard 1994, Miller et al. 2014). The local reliance upon …
Morganella Morganii (Enterobacteriales: Enterobacteriaceae) Is A Lethal Pathogen Of Mexican Fruit Fly (Diptera: Tephritidae) Larvae, Bacilio Salas, Hugh E. Conway, Erin Schuenzel, Kristen Hopperstad, Christopher Vitek, Don C. Vacek
Morganella Morganii (Enterobacteriales: Enterobacteriaceae) Is A Lethal Pathogen Of Mexican Fruit Fly (Diptera: Tephritidae) Larvae, Bacilio Salas, Hugh E. Conway, Erin Schuenzel, Kristen Hopperstad, Christopher Vitek, Don C. Vacek
Biology Faculty Publications and Presentations
Tephritid pests, such as the Mexican fruit fly, Anastrepha ludens (Loew), represent a major threat to fruit production worldwide. In order to control these pests, sterile insect technique is used to suppress and eradicate wild populations. For this control method to be successful, hundreds of millions of flies must be produced weekly in mass rearing facilities. The large quantity of artificial diet and close proximity of flies at various life stages allows bacteria from family Enterobacteriaceae, Bacillaceae, Pseudomonadaceae, and others to multiply and spread more easily. In this study, bacteria with a possible pathogenic effect were isolated from Mexican fruit …
The Official List Of The Birds Of Nebraska, Mark A. Brogie
The Official List Of The Birds Of Nebraska, Mark A. Brogie
Nebraska Bird Review
The last published “Official List” of the NOURC (NOURC 2009) included 454 species. Since then the following species have been added:
Brown-headed Nuthatch (Sitta pusilla) Accidental I-P 2010
Hooded Crane (Grus monacha) Accidental I-P 2011
Crested Caracara (Caracara cheriway) Accidental I-P 2012
Black-chinned Hummingbird (Archilochus alexandri) Casual I-P 2012
Hooded Oriole (Icterus cucullatus) Accidental I-P 2013
Brown Booby (Sula leucogaster) Accidental I-P 2014
Mute Swan (Cygnus olor) Accidental I-P 2014
Anna’s Hummingbird (Calypte anna) Accidental I-P 2016
Pacific Wren (Troglodytes pacificus) Accidental I-P 2017
Index To Volume 85
Nebraska Bird Review
Abreu, Shanin 58 ...
through
Ziegelbauer, Amanda 147
(15 pages)
Fall Field Report, August - November 2017, W. Ross Silcock
Fall Field Report, August - November 2017, W. Ross Silcock
Nebraska Bird Review
This fall season will be remembered as the fall with the mega-rarities. There were five, one of which, Pacific Wren, is a first Nebraska record. Based on occurrence dates, Hurricane Irma appears to have influenced the appearance of two of the megas, Black Vulture and Magnificent Frigatebird, neither of which provided opportunities for observers to view them, but both well-documented with photographs. There were an extraordinary TWO sightings of Harris’s Hawk, which together with the presence as of this writing (December 19) of one in northeast Kansas and a view of the species map in eBird strongly suggest a single …
The Nebraska Bird Review, Volume 85 December 2017 Number 4
The Nebraska Bird Review, Volume 85 December 2017 Number 4
Nebraska Bird Review
Fall Field Report, August - November 2017, by W. Ross Silcock … 146-178
The Official List of the Birds of Nebraska, compiled by Mark A. Brogie …179-197
Ogallala Fall Field Days, Sept. 15 - 17, 2017, by Janis Paseka …198-203
Index to Volume 85 …204-218
Subscription and Organization Information … 219
Understanding And Finding Solutions To The Problem Of Sedimentation In The National Wildlife Refuge System, Max Post Van Der Burg, Karen E. Jenni, Timothy L. Nieman, Josh D. Eash, Gregory A. Knutsen
Understanding And Finding Solutions To The Problem Of Sedimentation In The National Wildlife Refuge System, Max Post Van Der Burg, Karen E. Jenni, Timothy L. Nieman, Josh D. Eash, Gregory A. Knutsen
USGS Northern Prairie Wildlife Research Center
The National Wildlife Refuge System (Refuge System) is a collection of public lands maintained by the U.S. Fish and Wildlife Service for migratory birds and other wildlife. Wetlands on individual National Wildlife Refuges (Refuges) may be at risk of increased sedimentation because of land use and water management practices. Increased sedimentation can reduce wetland habitat quality by altering hydrologic function, degrading water quality, and inhibiting growth of vegetation and invertebrates. On Refuges negatively affected by increased sedimentation, managers have to address complex questions about how to best remediate and mitigate the negative effects. The best way to account for these …
Ogallala Fall Field Days, Sept. 15 - 17, 2017, Janis Paseka
Ogallala Fall Field Days, Sept. 15 - 17, 2017, Janis Paseka
Nebraska Bird Review
The 2017 NOU Fall Field Days took place in and around Ogallala on Sept. 15 - 17 with 55 in attendance. The weather on Friday was hot and windy, making finding birds a challenge. Overnight a cold front came through causing birders to shiver on Saturday and Sunday mornings, but the payoff was easier birding and some interesting species. Field trips were led by William Flack, Clem Klaphake, Wayne Mollhoff, Don Paseka, Ross Silcock and T. J. Walker. Locations included Cedar Point Biological Station, Lake Ogallala SRA, various beaches along the shore of Lake McConaughy SRA, Ash Hollow State Historical …
Statewide Survey Of Boat-Based Recreational Fishing In Western Australia 2015/16, Karina L. Ryan, Norman G. Hall, Eva K. Lai, Claire B. Smallwood, S.M Taylor, Brent Stephen
Statewide Survey Of Boat-Based Recreational Fishing In Western Australia 2015/16, Karina L. Ryan, Norman G. Hall, Eva K. Lai, Claire B. Smallwood, S.M Taylor, Brent Stephen
Fisheries research reports
The statewide survey of boat-based recreational fishing includes three components: (i) off-site Phone Surveys (encompassing an initial Screening Survey, a longitudinal Phone-Diary Survey, and Post-Enumeration Surveys); (ii) on-site Boat Ramp Surveys; and (iii) a Remote Camera Survey.
Flushing Responses Of Golden Eagles (Aquila Chrysaetos) In Response To Recreation, Robert J. Spaul, Julie A. Heath
Flushing Responses Of Golden Eagles (Aquila Chrysaetos) In Response To Recreation, Robert J. Spaul, Julie A. Heath
Biology Faculty Publications and Presentations
Disturbance because of human activity, including recreation on wildlands, can affect bird behavior which in turn can reduce breeding success, an important consideration for species of management concern. We observed Golden Eagles (Aquila chysaetos) during the breeding season to determine whether the probability of flushing was affected by the type of recreationist, distance to encounter, eagle nest attendance, or date. We monitored eagles in 23 nesting territories from distant (600-1,200 m) observation points and recorded recreation activity within 1,200 m of eagles in the Owyhee Front of southwestern Idaho. In most (86%, n = 270) encounters, eagles did …