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Articles 151 - 180 of 208
Full-Text Articles in Ecology and Evolutionary Biology
Differential Habituation Of Male Betta Splendens To Qualitatively Different Stimuli, Lauren Baard
Differential Habituation Of Male Betta Splendens To Qualitatively Different Stimuli, Lauren Baard
Undergraduate Research Symposium (UGRS)
Habituation is a learning mechanism that functions to decrease the amount of energy and attention focused on a certain stimuli. Male Siamese Fighting Fish, Betta splendens, are territorial animals that defend their territories using a number of aggressive displays. Male Bettas have previously shown the ability to habituate to the presence of a conspecific male when visually exposed to each other. Due to the costly nature of many of the male Betta’s displays, I hypothesized that male Bettas should differentially habituate to qualitatively different stimuli. I presented each of three groups of male Betta splendens with a different stimulus, each …
Ichthyofaunal Assemblages In Three Approximate But Ecologically Diverse Streams In Clark County, Arkansas, C. Renn Tumlison, Scott Jordan, Lesley Self, Henry W. Robison
Ichthyofaunal Assemblages In Three Approximate But Ecologically Diverse Streams In Clark County, Arkansas, C. Renn Tumlison, Scott Jordan, Lesley Self, Henry W. Robison
Journal of the Arkansas Academy of Science
Three tributaries to the Ouachita River in eastern Clark County, Arkansas, empty into the river within a collective distance of about 9 km. The streams drain basins derived from the Wilcox formation, partially overlain by terrace and alluvial deposits. Despite their proximity, the streams are very different: L'Eau Frais has a gravel substrate and was recognized by the French as a cool water stream, Tupelo Creek is a bottomland stream from which numerous Water Tupelo (Nyssa aquatica) emerge, and Saline Bayou was named due to its marked salinity. We studied the assemblages of fishes in these 3 very different drainages …
Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller
Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller
Fisheries Occasional Publications
The Western Australian Dhufish Workshop 2004 was a joint project between Recfishwest and the Western Australian Department of Fisheries.
The workshop incorporated presentations from the Department of Fisheries, Recfishwest, the Western Australian Fishing Industry Council, Murdoch University and Challenger TAFE to showcase current knowledge relating to the iconic dhufish in Western Australia. The perspectives of a recreational fisher, a commercial wetline operator and a metropolitan charter boat operator were also presented.
Through information sharing and discussion the workshop provided a platform to better understand the fundamental issues that underpin current and future management arrangements for this valuable resource. Both commercial …
Our Places To Tell Stories: Making Connections With Our Audiences, Public Lands Institute
Our Places To Tell Stories: Making Connections With Our Audiences, Public Lands Institute
Our Places to Tell Stories
The idea for an annual Our Places Tell Stories conference was prompted by discussions that took place within a unique partnership of federal, state, university, and public organizations in southern Nevada. Members identified the need to share and learn from successful educational and interpretive strategies. Our increasingly urban surroundings and rapidly changing populations hinder personal connections between people and their natural environment. However, the right tools and techniques will help us inspire children and adults to understand, value, and take care of our shared natural places.
This first conference supports professionals in creating and evaluating effective educational programs and interpretive …
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Annual Progress Report, Year Ending June 30, 2006, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Annual Progress Report, Year Ending June 30, 2006, Margaret N. Rees
Oliver Ranch Project
Assist in project coordination between numerous stakeholders such as the Clark County School System, Desert Research Institute, Community College of Southern Nevada, UNR Cooperative Extension, Nevada State College, local museums, state parks, non-profit organizations, federal agencies, and the public to ensure appropriate educational curricular activities and venues are provided for in the conceptual design of the School and the Wild Horse and Burro facility where appropriate as well as assist in the NEPA process as needed. The activities will be conducted at least in part by university faculty, staff and students as part of the university’s research, teaching, and service …
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending September 30, 2006, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending September 30, 2006, Margaret N. Rees
Oliver Ranch Project
Assist in project coordination between numerous stakeholders such as the Clark County School System, Desert Research Institute, Community College of Southern Nevada, UNR Cooperative Extension, Nevada State College, local museums, state parks, non-profit organizations, federal agencies, and the public to ensure appropriate educational curricular activities and venues are provided for in the conceptual design of the School and the Wild Horse and Burro facility where appropriate as well as assist in the NEPA process as needed. The activities will be conducted at least in part by university faculty, staff and students as part of the university’s research, teaching, and service …
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending September 30, 2006, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending September 30, 2006, Margaret N. Rees
Oliver Ranch Project
Assist in project coordination between numerous stakeholders such as the Clark County School System, Desert Research Institute, Community College of Southern Nevada, UNR Cooperative Extension, Nevada State College, local museums, state parks, non-profit organizations, federal agencies, and the public to ensure appropriate educational curricular activities and venues are provided for in the conceptual design of the School and the Wild Horse and Burro facility where appropriate as well as assist in the NEPA process as needed. The activities will be conducted at least in part by university faculty, staff and students as part of the university’s research, teaching, and service …
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending March 31, 2006, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending March 31, 2006, Margaret N. Rees
Oliver Ranch Project
Executive Summary
Activity highlights during the third quarter of Year Two include the following actions toward task agreement deliverables:
- Agenda and minutes prepared and distributed for Core Group meetings on January 17 and March 21, 2006.
- Cultural curriculum 100% completed
- Night Sky curriculum 100% completed.
- Green Building curriculum 75% completed.
- Native American Correlations 75% completed.
- Teacher piloting workshops held on February 23, March 18, and March 25, 2006 at Spring Mountain Ranch State Park and the Oliver Ranch site.
- RRDLC newsletter completed.
- Website content, navigation, and graphics updated and improved.
Learning About The Natural World Through An Inquiry-Based Residential Experience, Red Rock Desert Learning Center
Learning About The Natural World Through An Inquiry-Based Residential Experience, Red Rock Desert Learning Center
Oliver Ranch Project
The mission of the Red Rock Desert Learning Center is to instill stewardship and respect by increasing knowledge and understanding of the Mojave Desert ecosystems and cultures through a unique experiential discovery program
Red Rock Desert Learning Center Community Outreach Activities Plan, Red Rock Desert Learning Center
Red Rock Desert Learning Center Community Outreach Activities Plan, Red Rock Desert Learning Center
Oliver Ranch Project
The Red Rock Desert Learning Center is being designed to teach participants about the natural world through inquiry-based experiential and interdisciplinary methods in a residential outdoor setting in Red Rock Canyon National Conservation Area. The intent is for students, teachers, and researchers to gain an appreciation of desert ecosystems and to begin to apply and connect their knowledge to world ecological systems. The campus will incorporate many “green building” systems in its design and operation, and those systems will be an active part of the school’s curriculum.
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Fact Sheet, Red Rock Desert Learning Center
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Fact Sheet, Red Rock Desert Learning Center
Oliver Ranch Project
Overview and questions about Red Rock Canyon Desert Learning Center and Wild Horse and Burro Facility.
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Frequently Asked Questions, Red Rock Desert Learning Center
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Frequently Asked Questions, Red Rock Desert Learning Center
Oliver Ranch Project
The mission of the Red Rock Desert Learning Center is to instill stewardship and respect by increasing knowledge and understanding of the Mojave Desert ecosystems and cultures through a unique experiential discovery program.
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Newsletter, Red Rock Desert Learning Center
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Newsletter, Red Rock Desert Learning Center
Oliver Ranch Project
The mission of the Red Rock Desert Learning Center is to instill stewardship and respect by increasing knowledge and understanding of the Mojave Desert ecosystems
and cultures through a unique experiential discovery program.
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Historical Timeline, Red Rock Desert Learning Center
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Historical Timeline, Red Rock Desert Learning Center
Oliver Ranch Project
Historical Timeline of Red Rock Desert Learning Center.
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Sketches Of Planned Facilities, Red Rock Desert Learning Center
Red Rock Desert Learning Center & Wild Horse And Burro Facility: Sketches Of Planned Facilities, Red Rock Desert Learning Center
Oliver Ranch Project
Sketches of planned facilities
The Vertebrate Fauna Of The Upper Permian Of Niger. Iv. Nigerpeton Ricqlesi (Temnospondyli: Cochleosauridae), And The Edopoid Colonization Of Gondwana, J. Sebastien Steyer, Ross Damiani, Christian A. Sidor, F. Robin O’Keefe, Hans C.E. Larsson, Abdoulaye Maga, Oumarou Ide
The Vertebrate Fauna Of The Upper Permian Of Niger. Iv. Nigerpeton Ricqlesi (Temnospondyli: Cochleosauridae), And The Edopoid Colonization Of Gondwana, J. Sebastien Steyer, Ross Damiani, Christian A. Sidor, F. Robin O’Keefe, Hans C.E. Larsson, Abdoulaye Maga, Oumarou Ide
Biological Sciences Faculty Research
We describe the edopoid temnospondyl Nigerpeton ricqlesi from the Upper Permian Moradi Formation of northern Niger on the basis of two partial skulls and tentatively associated postcranial material. This crocodile-like taxon displays several edopoid characters states such as a long prenarial region with enlarged premaxillae, elongated vomers, large, posteriorly tapering choanae, and a jugal that broadens anteriorly. Nigerpeton possesses a unique carnivorous dentition. It is autapomorphic in its possession of an extremely elongate snout bearing a maxillary bulge that accommodates three hypertrophied caniniform teeth, inner premaxillary tusks, and anterior paired fenestrae, which pierce the skull roof. In addition, both the …
Fisheries Occasional Publication No. 33 - Department Of Fisheries Community Survey 2005, Tara Baharthah
Fisheries Occasional Publication No. 33 - Department Of Fisheries Community Survey 2005, Tara Baharthah
Fisheries Occasional Publications
A telephone survey of the Western Australian public was conducted to assess the level of success of programs implemented by the Department of Fisheries. The sample comprised of 700 interviews, 422 in the metropolitan area and 278 in regional areas throughout the State.
This community survey was used to determine the level of recall and awareness of the Department of Fisheries, the understanding and support of the community for the Department of Fisheries' management strategies and to examine key aspects of community participation in recreational fishing.
It is estimated that the overall participation rate for recreational fishing in Western Australia …
Winter 2006, Nsu Oceanographic Center
Book Review- Amphibians Of An Amazonian Blackwater Pond In Peru: Schluter, A., Edgar Lehr
Book Review- Amphibians Of An Amazonian Blackwater Pond In Peru: Schluter, A., Edgar Lehr
Scholarship
No abstract provided.
Ecology Of The Missouri River. Progress Report, Dingell-Johnson Project F-75-R-24, Supplement I - Missouri River Creel Survey, Camp Creek To Kansas State Line, 1 April Through 13 October 2006., Gerald Mestl
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This report describes Missouri River activities and results related to a channelized Missouri River creel survey conducted from 29 March through 10 October 2003. This is the fourth of a planned annual creel survey to be conducted on alternating sections of the channelized Missouri River to measure changes in recreational fishing activity, especially those changes due to large scale habitat restoration efforts. Future reports will contain additional analyses of these data. Anglers spent over 30,000 hours fishing the Missouri River from Camp Creek (rk 883.5) to the Kansas state line (rk 790.2) during the survey period. Effort peaked during the …
Strategies Of Sex And Survival In Hamadryas Baboons: Through A Female Lens, Larissa Swedell
Strategies Of Sex And Survival In Hamadryas Baboons: Through A Female Lens, Larissa Swedell
Publications and Research
No abstract provided.
3-Pg Productivity Modeling Of Regenerating Amazon Forests: Climate Sensitivity And Comparison With Modis-Derived Npp, Joseph D. White, Neal A. Scott, Adam I. Hirsch, Steven W. Running
3-Pg Productivity Modeling Of Regenerating Amazon Forests: Climate Sensitivity And Comparison With Modis-Derived Npp, Joseph D. White, Neal A. Scott, Adam I. Hirsch, Steven W. Running
Ecosystem and Conservation Sciences Faculty Publications
Potential forest growth predicted by the Physiological Principles in Predicting Growth (3-PG) model was compared for forest and deforested areas in the Legal Amazon to assess potential differing regeneration associated with climate. Historical deforestation and regeneration have occurred in environmentally marginal areas that influence regional carbon sequestration estimates. Effects of El Niño–induced drought further reduce simulated production by decreasing soil water availability in areas with shallow soils and high transpiration potential. The model was calibrated through comparison of literature biomass and with satellite-based estimates. Net primary productivity (NPP) for mature Amazonian forests from the 3-PG model was positively correlated ( …
Estimation Of Incident Photosynthetically Active Radiation From Moderate Resolution Imaging Spectrometer Data, Shunlin Liang, Tao Zheng, Ronggao Liu, Hongliang Fang, Si-Chee Tsay, Steven W. Running
Estimation Of Incident Photosynthetically Active Radiation From Moderate Resolution Imaging Spectrometer Data, Shunlin Liang, Tao Zheng, Ronggao Liu, Hongliang Fang, Si-Chee Tsay, Steven W. Running
Ecosystem and Conservation Sciences Faculty Publications
Incident photosynthetically active radiation (PAR) is a key variable needed by almost all terrestrial ecosystem models. Unfortunately, the current incident PAR products estimated from remotely sensed data at spatial and temporal resolutions are not sufficient for carbon cycle modeling and various applications. In this study, the authors develop a new method based on the look-up table approach for estimating instantaneous incident PAR from the polar-orbiting Moderate Resolution Imaging Spectrometer (MODIS) data. Since the top-of-atmosphere (TOA) radiance depends on both surface reflectance and atmospheric properties that largely determine the incident PAR, our first step is to estimate surface reflectance. The approach …
Nutrient Regulation Of Organic Matter Decomposition In A Tropical Rain Forest, Cory C. Cleveland, Sasha C. Reed, Alan R. Townsend
Nutrient Regulation Of Organic Matter Decomposition In A Tropical Rain Forest, Cory C. Cleveland, Sasha C. Reed, Alan R. Townsend
Ecosystem and Conservation Sciences Faculty Publications
errestrial biosphere–atmosphere CO2 exchange is dominated by tropical forests, so understanding how nutrient availability affects carbon (C) decomposition in these ecosystems is central to predicting the global C cycle's response to environmental change. In tropical rain forests, phosphorus (P) limitation of primary production and decomposition is believed to be widespread, but direct evidence is rare. We assessed the effects of nitrogen (N) and P fertilization on litter-layer organic matter decomposition in two neighboring tropical rain forests in southwest Costa Rica that are similar in most ways, but that differ in soil P availability. The sites contain 100–200 tree species …
Sensitivity Of Moderate Resolution Imaging Spectroradiometer (Modis) Terrestrial Primary Production To The Accuracy Of Meteorological Reanalyses, Maosheng Zhao, Steven W. Running, Ramakrishna R. Nemani
Sensitivity Of Moderate Resolution Imaging Spectroradiometer (Modis) Terrestrial Primary Production To The Accuracy Of Meteorological Reanalyses, Maosheng Zhao, Steven W. Running, Ramakrishna R. Nemani
Ecosystem and Conservation Sciences Faculty Publications
The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA's satellites, Terra and Aqua, dramatically improves our ability to accurately and continuously monitor the terrestrial biosphere. MODIS information is used to estimate global terrestrial primary production weekly and annually in near-real time at a 1-km resolution. MODIS terrestrial primary production requires daily gridded assimilation meteorological data as inputs, and the accuracy of the existing meteorological reanalysis data sets show marked differences both spatially and temporally. This study compares surface meteorological data sets from three well-documented global reanalyses, NASA Data Assimilation Office (DAO), European Centre for Medium-Range Weather Forecasts (ECMWF) (ERA-40) and …
Curricular Development For A Desert Learning Center, Angie Lara, Michael Reiland
Curricular Development For A Desert Learning Center, Angie Lara, Michael Reiland
Curriculum materials (RRLC)
The Red Rock Desert Learning Center, formerly known as Oliver Ranch, is a 300-acre parcel acquired by the Bureau of Land Management (BLM) in 1993 and incorporated into the Red Rock Canyon National Conservation Area. The Desert Learning Center is being designed to teach participants about the natural world through inquiry-based experiential and interdisciplinary methods in a residential outdoor setting in Red Rock Canyon National Conservation Area, located outside metropolitan Las Vegas, Nevada. The intent is for students, teachers, and researchers to gain an appreciation of desert ecosystems and to begin to apply and connect their knowledge to world ecological …
Authorship In Ecology: Attribution, Accountability, And Responsibility, Jake F. Weltzin, R. Travis Belote, Leigh T. Williams, Jason K. Keller, E. Cayenne Engel
Authorship In Ecology: Attribution, Accountability, And Responsibility, Jake F. Weltzin, R. Travis Belote, Leigh T. Williams, Jason K. Keller, E. Cayenne Engel
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Quality and quantity of publications are among the most important measures determining the success of ecologists. The past 50 years have seen a steady rise in the number of researchers and collaborative manuscripts, and a corresponding increase in multi-authored articles. Despite these increases, there remains a shortage of useful and definitive guidelines to aid ecologists in addressing authorship issues, leading to a lack of consistency in what the term “author” really means. Deciding where to draw the line between those who have earned authorship and those who are more appropriately credited in the acknowledgments may be one of the more …
Geographic Distribution And Harvest Dynamics Of The Eastern Spotted Skunk In Arkansas, D. Blake Sasse, Matthew E. Gompper
Geographic Distribution And Harvest Dynamics Of The Eastern Spotted Skunk In Arkansas, D. Blake Sasse, Matthew E. Gompper
Journal of the Arkansas Academy of Science
The eastern spotted skunk (Spilogale putorius) is a small carnivore found across much of the central and southeastern United States, and while once common, this species has become rare in most obits range. We used harvest records collected by the Arkansas Game and Fish Commission from 1941-2004 to examine historic and current distribution and long-term harvest dynamics of this species in Arkansas. Eastern spotted skunks have historically been most common in the Ozarks and the Ouachitas though the species appears to have been present, but uncommon, in the Gulf Coastal Plain and in some counties in southeastern Arkansas near the …
Complex Stand On The White River National Wildlife Refuge: Implications For Bottomland Hardwood Old Growth, Brian Roy Lockhart, James E. Kellum
Complex Stand On The White River National Wildlife Refuge: Implications For Bottomland Hardwood Old Growth, Brian Roy Lockhart, James E. Kellum
Journal of the Arkansas Academy of Science
No abstract provided.
Leptodactylus Fragilis, Mirriiam Muedeking Heyer, W. Ronald Heyer, Rafael O. De Sá
Leptodactylus Fragilis, Mirriiam Muedeking Heyer, W. Ronald Heyer, Rafael O. De Sá
Biology Faculty Publications
Leptodactylus fragilis (Brocchi) White-lipped thin-toed frogs are characteristically defined according to their habitation and age. There is a diagnosis of different species group within Leptodactylus. It is furthermore described from different perspectives and discoveries such as its eggs and karyotype. The distribution of the frog is considered to be prominent occurring form Southernmost Teaxs throughout Mexico and Middle America expanding to Venezuela. The fossil fuel records and literature on Leptodactylus are slighly viewed before studying its nomenclatural history and rarity.