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Articles 1591 - 1620 of 1769
Full-Text Articles in Life Sciences
Red Rock Desert Learning Center Core Group Meeting: March 15, 2005, Red Rock Desert Learning Center
Red Rock Desert Learning Center Core Group Meeting: March 15, 2005, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 min.)
- Approval of Minutes from January 18, 2005 Meeting (5 min.)
- Core Curriculum Development: Timeline and Progress Report – Jeannie Klockow (30 min.)
- Update on Water Testing – Bob Boyd (15 min.)
- A. Line and Space Architects – Les Wallach/Henry Tom
B. UNLV/CESU – Nancy Flagg
C. BLM – Michael Reiland - Committee Reports (5 min.)
- Open Discussion / New Business (5 min.)
Cesu Agreements: Beyond Traditional Science Applications, Margaret N. Rees
Cesu Agreements: Beyond Traditional Science Applications, Margaret N. Rees
Presentations (PLI)
Partnering with four federal land-management agencies
- Bureau of Land Management
- National Park Service
- U.S. Forest Service
- U.S. Fish & Wildlife Service
Red Rock Desert Learning Center Core Group Meeting: January 18, 2005, Red Rock Desert Learning Center
Red Rock Desert Learning Center Core Group Meeting: January 18, 2005, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 min.)
- Approval of Minutes from November 16, 2004 Meeting (5 minutes)
- Presentation of Science Curriculum – Paul Buck (30 min.)
- Line and Space Architects
Presentation of Schematic Designs– Les Wallach/Henry Tom (1 hour)
Update on Design Timeline (10 min.) - Standing Reports (10 minutes)
A. UNLV/CESU – Nancy Flagg
B. BLM – Michael Reiland - Committee Reports (5 min.)
- Committee Meeting Schedule for 2005 (5 min.)
- Open Discussion / New Business (5 min.)
Characterization Of Microbial Activity, Mark P. Buttner, Patricia Cruz, Klaus J. Stetzenbach, Abe Van Luik, Thomas Williams, Amy J. Smiecinski
Characterization Of Microbial Activity, Mark P. Buttner, Patricia Cruz, Klaus J. Stetzenbach, Abe Van Luik, Thomas Williams, Amy J. Smiecinski
Publications (YM)
The overall goal of this study is to investigate the phenomena that affect the fate and transport of radionuclides in the environment. The objective of this task, “Characterization of Microbial Activity”, is to develop a molecular biological method for the characterization of the microbial population indigenous to the Yucca Mountain Project site, with emphasis in detection and measurement of species or groups of microorganisms that could be involved in actinide and/or metal reduction, and subsurface transport. Subtasks consist of QA planning and preparation, and literature review. This task is part of a cooperative agreement between the UNLV Research Foundation and …
Monitoring Temporal Change In Riparian Vegetation Of Great Basin National Park, E. A. Beever, D. A. Pyke, J. C. Chambers, F. Landau, S. D. Smith, K. Murray
Monitoring Temporal Change In Riparian Vegetation Of Great Basin National Park, E. A. Beever, D. A. Pyke, J. C. Chambers, F. Landau, S. D. Smith, K. Murray
Life Sciences Faculty Research
Disturbance in riparian areas of semiarid ecosystems involves complex interactions of pulsed hydrologic flows, herbivory, fire, climatic effects, and anthropogenic influences. We resampled riparian vegetation within ten 10-m × 100-m plots that were initially sampled in 1992 in 4 watersheds of the Snake Range, east central Nevada. Our finding of significantly lower coverage of grasses, forbs, and shrubs within plots in 2001 compared with 1992 was not consistent with the management decision to remove livestock grazing from the watersheds in 1999. Change over time in cover of life-forms or bare ground was not predicted by scat counts within plots in …
Regional Open Space & Trails Workgroup Presentation, Public Lands Institute
Regional Open Space & Trails Workgroup Presentation, Public Lands Institute
Presentations (PLI)
The Public Lands Institute is dedicated to strengthening the national fabric that is essential for the protection, conservation, and management of public lands.
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending March 31, 2005, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending March 31, 2005, 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, 2005, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending September 30, 2005, Margaret N. Rees
Oliver Ranch Project
Executive Summary
Activity highlights during the first quarter of Year Two include the following actions toward task agreement deliverables:
- Agenda and minutes prepared and distributed for three core group meetings
- Wild horse and burro curriculum completed and vetted through local, regional, and national levels
- Historical curriculum completed and ready for review by core group
- Two RRDLC PowerPoint presentations coordinated, written, and illustrated by Public Lands Institute staff for BLM presentations to the Clark County School District Executive Cabinet and the Board of Trustees.
- RRDLC informational handouts provided to community members, teachers, and students at Joshua Jubilee community event and Clark …
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending December 31, 2005, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Quarterly Progress Report, Period Ending December 31, 2005, Margaret N. Rees
Oliver Ranch Project
Executive Summary
Activity highlights during the first quarter of Year Two include the following actions toward task agreement deliverables:
- Agenda and minutes prepared and distributed for two core group meetings
- Historical curriculum 100% completed
- Cultural curriculum 100% completed
- Night sky curriculum 50% completed
- Green Building curriculum 25% completed
- Communications/Outreach Plan revised and prioritized
- RRDLC newsletter under final review by BLM state office
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Annual Progress Report, Year Ending June 30, 2005, Margaret N. Rees
Oliver Ranch Science School Complex & Wild Horse And Burro Facility: Annual Progress Report, Year Ending June 30, 2005, 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 …
Assessing “Discover Mojave” Instrument Development And Analysis, Lori Olafson, Gregory Schraw, Jeanne A. Klockow
Assessing “Discover Mojave” Instrument Development And Analysis, Lori Olafson, Gregory Schraw, Jeanne A. Klockow
Reports (DM)
We developed a comprehensive assessment plan and tested the curriculum to determine whether hands-on outdoor recreation events promote knowledge, attitudes, and performance among at-risk urban children. Knowledge, attitude, and performance assessments were developed, refined and conducted through various stages based on cultural and language barriers as well a variety of age groups participating within the events. Findings revealed that knowledge, attitudes, and performance increased substantially as a result of participating in the outdoor recreation events. We conclude that the implementation and assessment of the program is strong. We also make several recommendations for future programs.
Education About The Environment Discover Mojave Programs, Public Lands Institute
Education About The Environment Discover Mojave Programs, Public Lands Institute
Presentations (PLI Education)
Increases people’s knowledge and awareness about the environment and associated challenges, develops the necessary skills and expertise to address the challenges, and fosters attitudes, motivations, and commitments to make informed decisions and take responsible action” (UNESCO, Tbilisi Declaration, 1978)
Unlv Magazine, Lori Bachand, Regina Barcolas, Barbara Cloud, Holly Ivy De Vore, Gian Galassi, Cayrn Key, Jennifer Robison, Gillian Silver, Jason Vaughan, John F. Gallagher, Cate Weeks, Diane Russell
Unlv Magazine, Lori Bachand, Regina Barcolas, Barbara Cloud, Holly Ivy De Vore, Gian Galassi, Cayrn Key, Jennifer Robison, Gillian Silver, Jason Vaughan, John F. Gallagher, Cate Weeks, Diane Russell
UNLV Magazine
No abstract provided.
Water Element Of The Las Vegas 2020 Master Plan, City Of Las Vegas, Nevada
Water Element Of The Las Vegas 2020 Master Plan, City Of Las Vegas, Nevada
Publications (WR)
Development in the city of Las Vegas is guided by the goals, objectives and policies outlined in the 2020 Master Plan, and elements of the Plan such as the Public Safety Element, which contain goals and policies designed to protect and enhance groundwater drainage. Additionally, the city of Las Vegas Strategic Plan has the following goals, strategies, and performance measures: Goal: Encourage conservation and optimization of natural resources. Strategy: Identify appropriate water conservation strategies and priorities. Strategy: Explore best development and urban design practices for environmental stewardship, energy and water conservation, and efficient use of the land. Performance Measure: Adoption …
Education In The Environment: A Hands-On Student Research And Outdoor Learning Experience: Quarterly Progress Report, Period Ending November 30, 2004, Margaret N. Rees
Education In The Environment: A Hands-On Student Research And Outdoor Learning Experience: Quarterly Progress Report, Period Ending November 30, 2004, Margaret N. Rees
Reports (PLI Education)
During the past three-months, the focus of the university’s efforts has been 1) making progress on the hiring of permanent project managers for the Education in the Environment Strategy and the Forever Earth / Wonderful Outdoor World on the Water (WOW) projects; 2) completing legal review of the cooperative agreement and standard operating procedures required for the university to assume operations of the Forever Earth vessel; and 3) writing curriculum for the WOW and Forever Earth projects.
Red Rock Desert Learning Center Core Group Meeting: November 16, 2004, Red Rock Desert Learning Center
Red Rock Desert Learning Center Core Group Meeting: November 16, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 min.)
- Approval of Minutes from October 19 Meeting (5 minutes)
- Presentation of Biology Curriculum Strands – Paul Buck (15 min.)
- Discussion of Possible Advisory Board Structures – Michael Reiland (15 min.)
- Update from Line and Space Architects – Les Wallach/Henry Tom (20 min.)
- Discussion of Student Risk Analysis/Liability Issues (15 min.)
- Standing Reports (10 minutes)
A. UNLV/CESU Update – Nancy Flagg
B. BLM Update – Michael Reiland - Committee Reports (5 min.)
A. Building Committee – Angie Lara - Open Discussion / New Business (5 min.)
A. January Meeting – Tuesday, January 18, 10:30 a.m., UNLV Paradise
Campus
B. Core …
Red Rock Desert Learning Center Core Group Meeting: October 19, 2004, Red Rock Desert Learning Center
Red Rock Desert Learning Center Core Group Meeting: October 19, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 min.)
- Approval of Minutes from September 21 Meeting (5 minutes)
- Review & Discussion of Suggested Core Curriculum Themes – Jeanne Klockow/Michael Reiland (20 min.)
- Update from Line and Space Architects – Les Wallach/Henry Tom (20 min.)
- Standing Reports (20 minutes)
A. UNLV/CESU Update – Nancy Flagg
C. BLM Update – Michael Reiland - Committee Reports (10 min.)
A. Building – Angie Lara
B. Design Oversight – David Frommer
C. Educational Programs – Paul Buck
D. Fund-Raising & Partnerships – Blaine Benedict
E. NEPA – Charles Carroll
F. Operations – Jack Ramsey
G. Other Uses – Pat Williams
H. Wild …
Red Rock Desert Learning Center Core Group Meeting: September 21, 2004, Red Rock Desert Learning Center
Red Rock Desert Learning Center Core Group Meeting: September 21, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 min.)
- Approval of Minutes from August 17 Meeting (5 minutes)
- Potential Tie-in with City of Las Vegas New Directions YouthArts Program –
Markus Tracy (20 min.) - Presentation of Education in the Environment Curriculum Matrix and correlation to
RRDLC curriculum development – Jeanne Klockow (30 min.) - Discussion of Policy-making Board for the Center – Michael Reiland (15 min.)
- Discussion of Observatory Location – Michael Reiland (25 min.)
- Standing Reports (20 minutes)
A. Line and Space Architects Update – Les Wallach/Henry Tom
B. UNLV/CESU Update – Nancy Flagg
C. RRCNCA Capital Improvements Update – BLM - Committee Reports (10 min.)
A. …
Education In The Environment Partnership, Public Lands Institute
Education In The Environment Partnership, Public Lands Institute
Presentations (PLI Education)
- Update on Oliver Ranch
- Update on Forever Earth
- Update on WOW on the Water
Oliver Ranch Core Group Meeting: August 17, 2004, Red Rock Desert Learning Center
Oliver Ranch Core Group Meeting: August 17, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 minutes)
- Approval of Minutes from June 15 Meeting (5 minutes)
- Review of Draft Talking Points/FAQ – Nancy Flagg (30 min)
- Discussion of Wild Horse and Burro Facility – Billie Young (30 min.)
- Standing Reports (30 minutes)
A. Line and Space Update – Les Wallach/Henry Tom
B. UNLV/CESU Update – Peg Rees/Nancy Flagg
C. RRCNRA Capital Improvements Update – Mark Morse/Michael Reiland - ORSS Committee Reports (15 minutes)
A. Design Oversight – David Frommer
B. Educational Programs – Paul Buck
C. Fund-Raising & Partnerships – Blaine Benedict
D. NEPA – Charles Carroll
E. Operations – Jack Ramsey
F. Other Uses …
Inside Unlv, Cate Weeks, Carol C. Harter, Diane Russell, Holly Ivy De Vore
Inside Unlv, Cate Weeks, Carol C. Harter, Diane Russell, Holly Ivy De Vore
Inside UNLV
No abstract provided.
Vegetation Characteristics Associated With Small Mammal Populations In The Las Vegas Wash, Christine Therese Herndon
Vegetation Characteristics Associated With Small Mammal Populations In The Las Vegas Wash, Christine Therese Herndon
UNLV Theses, Dissertations, Professional Papers, and Capstones
Percent litter, average litter depth, percent bare ground, vegetation density, vegetation canopy, and distance to an ecotone boundary were measured and compared to small mammal capture locations in the Las Vegas Wash. Neotoma lepida appear to be greatly dependent upon the foliage litter of T. ramosissima. Alternatively, ecotone boundaries appear to be the most important factor affecting Dipodomys merriami distributions. Peromyscus eremicus distributions may be predicted based on vegetation density and increased canopy during shorter, winter torpor periods. Chaetodipus penicillatus were consistently associated with dense, seed-bearing vegetation, although C. penicillatus is extremely opportunistic and vegetation density should not limit their …
Oliver Ranch Core Group Meeting: July 20, 2004, Red Rock Desert Learning Center
Oliver Ranch Core Group Meeting: July 20, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Introductions (5 minutes)
- Approval of Minutes from June 15 Meeting (5 minutes)
- Review of Draft Talking Points/FAQ – Nancy Flagg (30 min)
- Discussion of Wild Horse and Burro Facility – Billie Young (30 min.)
- Standing Reports (30 minutes)
A. Line and Space Update – Les Wallach/Henry Tom
B. UNLV/CESU Update – Peg Rees/Nancy Flagg
c. RRCNRA Capital Improvements Update – Mark Morse/Michael Reiland - ORSS Committee Reports (15 minutes)
A. Design Oversight – David Frommer
B. Educational Programs – Paul Buck
C. Fund-Raising & Partnerships – Blaine Benedict
D. NEPA – Charles Carroll
E. Operations – Jack Ramsey
F. Other Uses …
Oliver Ranch Core Group Meeting: June 15, 2004, Red Rock Desert Learning Center
Oliver Ranch Core Group Meeting: June 15, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Approval of Minutes from May 18 Meeting
- UNLV/CESU Update – Peg Rees/Nancy Flagg
A. ORSS History and Talking Points
B. Presentations to Civic Groups - Line and Space Update – Les Wallach/Henry Tom
- RRCNRA Capital Improvements Update – Mark Morse
- ORSS Project Timeline – Michael Reiland
- Linkages Between ORSS Curriculum and Building Design – Paul Buck
- Video Interviews of CCSD 5th Graders – CCSD Staff
- ORSS Sub-Committee Reports
-- Status of Committee Mission Statements
-- Committee Responses to L&S Draft
-- Proposal to Establish a Building Committee
A. Operations – Jack Ramsey
B. Wild Horse & Burro – Billie Young
C. …
Oliver Ranch Core Group Meeting: May 18, 2004, Red Rock Desert Learning Center
Oliver Ranch Core Group Meeting: May 18, 2004, Red Rock Desert Learning Center
Reports (RRLC)
- Where have we been and where are we going?
- Line and Space Report
- Committee Reports
- Future Core Group Meetings
A Study Of Invasive Species Cover Near Roads In A Red Rock Canyon Blackbrush Community, Christopher Keough
A Study Of Invasive Species Cover Near Roads In A Red Rock Canyon Blackbrush Community, Christopher Keough
UNLV Theses, Dissertations, Professional Papers, and Capstones
The monitoring of Mojave Desert plant communities during and following disturbance is an important process that could provide invaluable information about disturbance/recovery regimes in similar arid environments across the globe. Blackbrush communities are of particular interest because of their low replacement rate, which makes them highly susceptible to disturbance. Roads in the Mojave Desert have been associated with soil compaction resulting in a lack of vegetation as well as an increase in invasive species cover in the immediate proximity. To investigate these statements, eight fifty-foot line transects were established in each of three plot types (perpendicular to dirt roads, perpendicular …
Habitat Preferences Of Four Species Of Lizards Found At The Las Vegas Springs Preserve, Scott Garncarz
Habitat Preferences Of Four Species Of Lizards Found At The Las Vegas Springs Preserve, Scott Garncarz
UNLV Theses, Dissertations, Professional Papers, and Capstones
Developing an understanding of the habitat usage of reptiles is important when trying to develop a management or restoration plan that is compatible with what is known of the reptile species that are being investigated. There are many lizard species found in the Mojave Desert, but there are only four known to inhabit the Las Vegas Springs Preserve (LVSP) in Las Vegas, Nevada. In the LVSP, sites are going to be restored with native Mojave Desert vegetation. Since there are many habitat types in the Mojave Desert, we must determine which types would be best suited for the four species …
The Effects Of Off-Road Vehicle Use In Desert Tortoise (Gopherus Agassizii) Habitats, Brent D. Clark
The Effects Of Off-Road Vehicle Use In Desert Tortoise (Gopherus Agassizii) Habitats, Brent D. Clark
UNLV Theses, Dissertations, Professional Papers, and Capstones
The desert tortoise (Gopherus agassizii) populations have been in decline and have been placed on the endangered species list. No single factor is ultimately responsible for the tortoise decline. It is a combination of events that collectively have a negative impact. I chose to focus my study on only one factor, off-road vehicles. By evaluating the damage done to the terrain by off-road vehicles, a better understanding of their impact on the tortoise populations can be assessed and protective measures taken.
The amount of available vegetation does not seem to play a role in their decisions of which plants to …
Defining Soil Type And Habitat Characteristics Of The Arctomecon Californica, Philip S. Childers
Defining Soil Type And Habitat Characteristics Of The Arctomecon Californica, Philip S. Childers
UNLV Theses, Dissertations, Professional Papers, and Capstones
A. californica can be considered a rare endemic species, which is believed to be restricted by unique soil relationships. These relationships make the species vulnerable to anthropogenic habitat disturbance. Although A. californica is listed as critically endangered by the state of Nevada, further research is needed before the species can be listed as federally endangered or threatened. This study used primary observational data and secondary GIS compatible data to characterize A. californica habitat. Representative sampling techniques were used to select observations from derived soil types. Although a majority of A. californica populations were found to occur in gypsic soil types, …
Age And Sex-Specific Rates Of Leaf Regeneration In The Mojave Desert Moss Syntrichia Caninervis, Lloyd Stark, L. Nichols, Nicholas N. Mcletchie, S. D. Smith, C. Zundel
Age And Sex-Specific Rates Of Leaf Regeneration In The Mojave Desert Moss Syntrichia Caninervis, Lloyd Stark, L. Nichols, Nicholas N. Mcletchie, S. D. Smith, C. Zundel
Life Sciences Faculty Research
The extremely skewed female-biased sex ratio in the desert moss Syntrichia caninervis was investigated by assessing the regeneration capacity of detached leaves. Juvenile, green, yellow-green, and brown leaves equating to approximately 0, 2, 6, and 12 yr of age, respectively, were detached from individuals of S. caninervis collected from 10 field populations and grown in a growth chamber for 58 d at a light intensity of 33–128 µmol · m–2 · s–1. Younger leaves (0–2 yr old) tended to have a greater viability, regenerate more quickly, extend their protonemal filaments farther, produce shoots (gametophores) more quickly, produce more shoots, and …