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- All U.S. Government Documents (Utah Regional Depository) (9)
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- Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298 (1)
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Articles 1 - 30 of 46
Full-Text Articles in Physical Sciences and Mathematics
Lake Mead National Recreation Area Sensitive Wildlife Species Monitoring And Analysis: Quarterly Progress Report, Period Ending December 31, 2005, Margaret N. Rees
Lake Mead National Recreation Area Sensitive Wildlife Species Monitoring And Analysis: Quarterly Progress Report, Period Ending December 31, 2005, Margaret N. Rees
Wildlife Monitoring
- Topsoil replacement monitored at Willow Beach Wastewater Rehabilitation Project
- Desert tortoise surveys and monitoring conducted for Northshore Road reconstruction projects, and desert tortoise training provided to 9 construction contractors.
- Field work associated with the project to remove desert tortoise radio transmitters from animals on Mormon Mesa completed.
- Weekly data processing for Desert Bighorn Sheep monitoring associated with the Hoover Dam Bypass Project continued.
- Fall field surveys for relict leopard frogs completed (11 sites surveyed); last of this year’s head-started animals released; RLFCT meeting held.
- Work started on a digital database (GIS) of Peregrine falcon observations.
- Monthly shorebird surveys conducted (22 …
Final Environmental Assessment And Finding Of No Significant Impact For The Proposed Safety Of Dams Modifications And Bridge Reconstruction, Provo Area Office, Upper Colorado Region, Bureau Of Reclamation, U.S. Department Of Transportation, Utah Division, Federal Highway Administration, U.S. Department Of The Interior
Final Environmental Assessment And Finding Of No Significant Impact For The Proposed Safety Of Dams Modifications And Bridge Reconstruction, Provo Area Office, Upper Colorado Region, Bureau Of Reclamation, U.S. Department Of Transportation, Utah Division, Federal Highway Administration, U.S. Department Of The Interior
All U.S. Government Documents (Utah Regional Depository)
The Bureau of Reclamation, Provo Area Office (Reclamation) proposes to replace the concrete spillway structure at Scofield Dam, the principal feature of the Scofield Project. This construction project would be completed under the Safety of Dams (SOD) Act of 1978 (Public Law 95-578, as amended). The proposed SOD modifications would correct safety deficiencies of the dam without affecting the purpose, or benefits of the dam. Reclamation also proposes to replace the existing gate house at its current position on the crest of the dam. This building is in poor condition and would be replaced with either a new concrete structure …
Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River Conducted On October 10 - 13, 2005, The City Of Tampa Wastewater Department
Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River Conducted On October 10 - 13, 2005, The City Of Tampa Wastewater Department
Reports
The Bay Study Group (BSG) conducted nutrient enrichment studies (bioassays) on natural phytoplankton population samples collected at four locations in the Lower Hillsborough River on October 10, 2005. Test site HR1 was located approximately 320m upriver of the Rowlett Park Blvd. bridge (Lat: 28o 01.368’N; Lon: 82o 25.914’W), test site HR2 was located approximately 200m upriver of the Nebraska Ave. bridge (Lat: 28o 01.174’N; Lon: 82o 26.960’W), test site HR3 was located approximately 280m downriver of the Florida Ave. bridge (Lat: 28o 01.257’N; Lon: 82o 27.740’W), and test site HR4 was located approximately 20m upriver of the Sligh Ave. bridge …
Richfield Fire Management Plan Environmental Assessment, U.S. Department Of The Interior, Bureau Of Land Management
Richfield Fire Management Plan Environmental Assessment, U.S. Department Of The Interior, Bureau Of Land Management
All U.S. Government Documents (Utah Regional Depository)
This Environmental Assessment (EA) documents results of an analysis of proposed changes to the current management of wildland fire and hazardous fuels for the Bureau of Land Management (BLM) Richfield Support Center. Proposed revisions of the Richfield Fire Management Plan (FMP) serve as the “Proposed Action” for this EA. The revised FMP incorporates current planning requirements associated with fire management on public lands, including wildland fire management and fuel treatments. The EA analysis is designed to ensure compliance with the National Environmental Policy Act (NEPA). It allows determinations to be made as to whether any “significant,” as defined by the …
Tebuthiuron Ecological Risk Assessment, Bureau Of Land Management, Ensr International
Tebuthiuron Ecological Risk Assessment, Bureau Of Land Management, Ensr International
All U.S. Government Documents (Utah Regional Depository)
The Bureau of Land Management (BLM), United States Department of the Interior (USDI), is proposing a program to treat vegetation on up to six million acres of public lands annually in 17 western states in the continental United States (U.S.) and Alaska. As part of this program, the BLM is proposing the use of ten herbicide active ingredients (a.i.) to control invasive plants and noxious weeds on approximately one million of the 6 million acres proposed for treatment. The BLM and its contractor, ENSR, are preparing a Vegetation Treatments Programmatic Environmental Impact Statement (EIS) to evaluate this and other proposed …
Sulfometuron Methyl Ecological Risk Assessment, Final Report, Bureau Of Land Management, Ensr International
Sulfometuron Methyl Ecological Risk Assessment, Final Report, Bureau Of Land Management, Ensr International
All U.S. Government Documents (Utah Regional Depository)
The Bureau of Land Management (BLM), United States Department of the Interior (USDI), is proposing a program to treat vegetation on up to six million acres of public lands annually in 17 western states in the continental United States (U.S.) and Alaska. As part of this program, the BLM is proposing the use of ten herbicide active ingredients (a.i.) to control invasive plants and noxious weeds on approximately one million of the six million acres proposed for treatment. The BLM and its contractor, ENSR, are preparing a Vegetation Treatments Programmatic Environmental Impact Statement (EIS) to evaluate this and other proposed …
Moab Fire District Fire Management Plan: Environmental Assessment, U.S. Department Of The Interior, Bureau Of Land Management
Moab Fire District Fire Management Plan: Environmental Assessment, U.S. Department Of The Interior, Bureau Of Land Management
All U.S. Government Documents (Utah Regional Depository)
This Environmental Assessment (EA) has been prepared to document results of an analysis of proposed changes to current management of wildland fire and hazardous fuels for the Bureau of Land Management (BLM), Division of Fire Management. The Division of Fire Management oversees all fire-related activities for the Moab, Monticello, and Price Field Offices, referred to in this document as the Moab Fire District. Proposed revisions of the Moab Fire District Fire Management Plan (FMP) serve as the Proposed Action for this EA. The revised FMP incorporates current planning requirements associated with fire management on public lands, including wildland fire suppression …
Reno, Nevada Imazapic Ecological Risk Assessment: Final Report, Ensr International, Bureau Of Land Management
Reno, Nevada Imazapic Ecological Risk Assessment: Final Report, Ensr International, Bureau Of Land Management
All U.S. Government Documents (Utah Regional Depository)
The Bureau of Land Management (BLM), United States Department of the Interior (USDI), is proposing a program to treat vegetation on up to six million acres of public lands annually in 17 western states in the continental United States (U.S.) and Alaska. The primary objectives of the proposed program include fuels management, weed control, and fish and wildlife habitat restoration. Vegetation would be managed using five primary vegetation treatment methods: mechanical, manual, biological, chemical, and prescribed fire. The BLM and its contractor, ENSR, are preparing a Vegetation Treatments Programmatic Environmental Impact Statement (EIS) to evaluate the effects of the proposed …
Overdrive® Ecological Risk Assessment: Final Report, Bureau Of Land Management, Ensr International
Overdrive® Ecological Risk Assessment: Final Report, Bureau Of Land Management, Ensr International
All U.S. Government Documents (Utah Regional Depository)
The Bureau of Land Management (BLM), United States Department of the Interior (USDI), is proposing a program to treat vegetation on up to six million acres of public lands annually in 17 western states in the continental United States (U.S.) and Alaska. As part of this program, the BLM is proposing the use of ten herbicide active ingredients (a.i.) to control invasive plants and noxious weeds on approximately one million of the 6 million acres proposed for treatment. The BLM and its contractor, ENSR, are preparing a Vegetation Treatments Programmatic Environmental Impact Statement (EIS) to evaluate this and other proposed …
Tunnel Geology As Seen By Geologists: Manhattan, New York City, Nazrul I. Khandaker, Stanley Schleifer, Masud Ahmed, Alan R. Slaughter, Belal A. Sayeed, Dorean J. Flores, Mario Jo-Ramirez
Tunnel Geology As Seen By Geologists: Manhattan, New York City, Nazrul I. Khandaker, Stanley Schleifer, Masud Ahmed, Alan R. Slaughter, Belal A. Sayeed, Dorean J. Flores, Mario Jo-Ramirez
Publications and Research
Current exploratory boring operations in and around Manhattan, New York City are providing geologists and geotechnical engineers with a plethora of new and interesting geological information, which has not been previously reported. The rocks encountered, mostly medium to high-grade metamorphic rocks, with both mafic and felsic intrusives, are highly variable in competency and mechanical durability. One of the most frequently encountered rock types is a garnetiferous-muscovite-biotite schist which grades into schistose gneiss and displays a wide variety of structural, compositional, and textural attributes. Metamorphic minerals showing the variable degree of metamorphism include graphite, talc, garnet, kyanite, tourmaline, emory, and occasionally …
Maximum Size Of Fish Caught With Standard Gears And Recreational Angling, Kevin L. Pope, Gene R. Wilde, Daryl L. Bauer
Maximum Size Of Fish Caught With Standard Gears And Recreational Angling, Kevin L. Pope, Gene R. Wilde, Daryl L. Bauer
Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications
We correlated maximum lengths of freshwater fishes captured during 10 years with standard gears (i.e., gill nets, boat electrofishers and trap nets) and angling from Nebraska water bodies to determine which methodology provided better estimates of maximum size of fishes produced within a given water body. In general, maximum length of fishes captured with standard gears was smaller than maximum length of fishes captured with angling. Although significant (based on sequential Bonferroni adjustment) correlation was found in only one of nine sport fishes assessed, all correlations were positive indicating a general trend between maximum size of fishes captured with these …
Data Summary From The Tampa Bay Interagency Seagrass Monitoring Program Through Year 2004, Walt Avery, Roger Johansson
Data Summary From The Tampa Bay Interagency Seagrass Monitoring Program Through Year 2004, Walt Avery, Roger Johansson
Reports
Results regarding seagrass species abundance, distribution, and zonation over time are presented for the 1997-2004 period in Hillsborough Bay (HB, Figures 16-27) and the 1998-2004 period for Old Tampa Bay (OTB, Figures 3-14), Middle Tampa Bay (MTB, Figures 29-41), Lower Tampa Bay, including Terra Ceia Bay (LTB, Figures 43-57), and Boca Ciega Bay (BCB, Figures 59-69). For each transect, results are presented in a graphic format illustrating annual species composition, abundance, and distribution. Seagrass abundance is presented as percent coverage within a square meter using the Braun Blanquet coverage class system.
Satellite-Observed Photosynthetic Trends Across Boreal North America Associated With Climate And Fire Disturbance, Scott J. Goetz, Andrew Godard Bunn, Gregory J. Fiske, Richard A. Houghton
Satellite-Observed Photosynthetic Trends Across Boreal North America Associated With Climate And Fire Disturbance, Scott J. Goetz, Andrew Godard Bunn, Gregory J. Fiske, Richard A. Houghton
Environmental Sciences Faculty and Staff Publications
We analyzed trends in a time series of photosynthetic activity across boreal North America over 22 years (1981 through 2003). Nearly 15% of the region displayed significant trends, of which just over half involved temperature-related increases in growing season length and photosynthetic intensity, mostly in tundra. In contrast, forest areas unaffected by fire during the study period declined in photosynthetic activity and showed no systematic change in growing season length. Stochastic changes across the time series were predominantly associated with a frequent and increasing fire disturbance regime. These trends have implications for the direction of feedbacks to the climate system …
Final Report: Evaluation Of The Morphoedaphic Index And Sediment Diatoms For Inference Of Pre-European Settlement Total Phosphorus Concentration In Epa Region 10 Lakes, Rich Miller, Aaron Hook, Richard Petersen, Mark D. Sytsma
Final Report: Evaluation Of The Morphoedaphic Index And Sediment Diatoms For Inference Of Pre-European Settlement Total Phosphorus Concentration In Epa Region 10 Lakes, Rich Miller, Aaron Hook, Richard Petersen, Mark D. Sytsma
Center for Lakes and Reservoirs Publications and Presentations
Water quality in many Northwest lakes has declined over the past century due, in part, to increased anthropogenic nutrient loading (Edmonson and Lehman, 1981). Under the Clean Water Act, resource managers such as the Washington Department of Ecology, Oregon Department of Environmental Quality, and tribes are responsible for restoring and protecting the integrity of these waters. Targets for restoration or criteria for impairment are not well defined, however, and may naturally vary by geology, hydrology, morphometry, and climate.
One way to determine whether lakes are impaired and to identify restoration targets is to assess lake reference conditions (EPA 2000). Reference …
Analysis Of Per Capita Expenditures Of Suburbanizing Communities In Maine, New England Environmental Finance Center
Analysis Of Per Capita Expenditures Of Suburbanizing Communities In Maine, New England Environmental Finance Center
Economics and Finance
This study analyzes per capita expenditure trends among selected fast-growing Maine towns from 1970-2004. The ten communities studied are termed as “suburbanizing” towns. This term is used to describe towns that over the past 30-40 years have been in the process of transition from rural to suburban – in terms of their population and housing densities, their forms of government, and the services they provide, as well as other characteristics.1 Such towns are of particular interest because they have been absorbing a healthy percentage of the state’s population growth during this time period, often at the expense of Maine’s service …
Assessing The Health Of Fringing Salt Marshes Along The Fore River And Its Tributaries, Pamela A. Morgan, Lucas Curci, Cayce Dalton, Jeremy Miller
Assessing The Health Of Fringing Salt Marshes Along The Fore River And Its Tributaries, Pamela A. Morgan, Lucas Curci, Cayce Dalton, Jeremy Miller
Environmental Studies Faculty Publications
Casco Bay has experienced two significant oil spills in recent history - the Tamano Tanker spill in 1972 and the Julie N spill in 1996. In addition, the Fore River and its tributaries have experienced numerous small spills over the years, including the August 2002 fuel oil spill (2,900 gallons) and the April 2003 jet fuel spill (6,000 gallons). The impacts of these spills on the fringing salt marshes that line the edges of the Fore River and its tributaries are not well understood. Are these salt marshes resilient enough to withstand these impacts and still act as healthy marshes …
Mass Loading Measurements In Amargosa Valley, John C. Sagebiel, Alan W. Gertler, Amy J. Smiecinski, David Shafer
Mass Loading Measurements In Amargosa Valley, John C. Sagebiel, Alan W. Gertler, Amy J. Smiecinski, David Shafer
Publications (YM)
This work will be conducted under Task DRI-FI-001, “Mass Loading Measurements in Amargosa Valley.” The objective of this task is to measure, with known accuracy, the levels of atmospheric mass loading (mass concentration of suspended particulates) accompanying soil surface disturbing activities in Amargosa Valley. Mass loading is used in the biosphere model to calculate inhalation exposure for the human receptor, the maximally reasonably exposed individual (RMEI). The mass loading currently used in the biosphere model is based on literature data from the analog sites rather than on site-specific conditions. This work is subject to the Nevada System of Higher Education …
Biomass Shifts In Phytoplankton, Macroalgae And Seagrass With Reduced Nitrogen Loading Rates To Hillsborough Bay, J.O. R. Johansson
Biomass Shifts In Phytoplankton, Macroalgae And Seagrass With Reduced Nitrogen Loading Rates To Hillsborough Bay, J.O. R. Johansson
Reports
Presentation on Biomass Shifts In Phytoplankton, Macroalgae And Seagrass With Reduced Nitrogen Loading Rates To Hillsborough Bay.
Risk And Consequence Analysis Focused On Biota Transfers Potentially Associated With Surface Water Diversions Between The Missouri River And Red River Basins, Greg Linder, Ed Little, Lynne Johnson, Chad Vishy, Bruce Peacock, Heather Goeddecke
Risk And Consequence Analysis Focused On Biota Transfers Potentially Associated With Surface Water Diversions Between The Missouri River And Red River Basins, Greg Linder, Ed Little, Lynne Johnson, Chad Vishy, Bruce Peacock, Heather Goeddecke
Publications of the US Geological Survey
Section 1 provides a brief overview of the project, including a cursory summary of the history of the “Garrison Diversion” and how that history relates to this work focused on the analysis of risks and consequences potentially associated with interbasin biota transfers. The present study was initiated under the auspices of the Dakota Water Resources Act (DWRA) of 2000, which directed the Secretary of the Interior to conduct a comprehensive study of the water quality and quantity needs of the Red River Valley and the options for meeting those needs. As such, the Bureau of Reclamation (Reclamation) requested technical support …
Waldo Lake Research In 2004, Mark D. Sytsma, John Rueter, Richard Petersen, Roy Koch, Scott A. Wells, Michelle Wood, Yangdong Pan, Robert Leslie Annear, Aaron Hook, Laura Johnson, Rich Miller, Amanda Murphy, Terry Stoltz
Waldo Lake Research In 2004, Mark D. Sytsma, John Rueter, Richard Petersen, Roy Koch, Scott A. Wells, Michelle Wood, Yangdong Pan, Robert Leslie Annear, Aaron Hook, Laura Johnson, Rich Miller, Amanda Murphy, Terry Stoltz
Center for Lakes and Reservoirs Publications and Presentations
The Willamette National Forest has worked with Portland State University, Center for Lakes and Reservoirs (PSU) and the University of Oregon (UO) to investigate ecosystem changes, provide guidance on long-term monitoring methods, assess monitoring data, develop predictive water quality models, and conduct research that will lead to better protection and understanding of the Waldo Lake ecosystem. This report summarizes the second year of collaborative PSU-UO research at Waldo Lake. Research has focused on understanding physical, chemical and biological characteristics of Waldo Lake across a range of spatial and temporal scales. Research tasks that continued from 2003 into 2004 included temperature …
2002 Licensed Angler Survey: Summarized Results, Keith L. Hurley, Kristin L. Duppong-Hurley
2002 Licensed Angler Survey: Summarized Results, Keith L. Hurley, Kristin L. Duppong-Hurley
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
On October 22, 2002, 5000 six-page surveys (Appendix 3) were sent to a stratified-random sample of Nebraska anglers drawn from the 2001 licensed anglers database. The database included all anglers who purchased a fishing license in 2001 as well as all lifetime fishing permit holders who purchased their license before or during 2001. The database did not include those possessing a free permit, such as veteran’s or senior citizen permits. The survey subsample (2.6% of the 2001-licensed angler database) was stratified such that the proportions of surveys in the subsample (4366 residents and 634 non-residents) matched the proportions of resident/non-resident …
Chesapeake Bay Dune Systems: Monitoring, Donna A. Milligan, C. Scott Hardaway Jr., George R. Thomas, Lyle M. Varnell, Thomas A. Barnard, William G. Reay, Travis R. Comer, Christine A. Wilcox
Chesapeake Bay Dune Systems: Monitoring, Donna A. Milligan, C. Scott Hardaway Jr., George R. Thomas, Lyle M. Varnell, Thomas A. Barnard, William G. Reay, Travis R. Comer, Christine A. Wilcox
Reports
This project is aimed at developing an understanding of detailed beach and dune change. During the course of this monitoring, Hurricane Isabel impacted the coastal plain of Virginia and significantly altered almost all Bay shorelines to one degree or another in September 2003. This is particularly true of shorelines facing north, east, and south since the winds shifted as the storm passed. This event provided an opportunity to measure the changes to natural dune systems around the Bay due to the storm as well as their recovery after the event.
Colorado College State Of The Rockies Report Card, Walter E. Hecox, F. Patrick Holmes, Bryan Hurlbutt
Colorado College State Of The Rockies Report Card, Walter E. Hecox, F. Patrick Holmes, Bryan Hurlbutt
Publications (SD)
No abstract provided.
Nebraska Catfish Anglers: Descriptions And Insights Derived From The 2002 Nebraska Licensed Angler Survey, Keith Hurley, Kristin Duppong-Hurley
Nebraska Catfish Anglers: Descriptions And Insights Derived From The 2002 Nebraska Licensed Angler Survey, Keith Hurley, Kristin Duppong-Hurley
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
Analyses in this report will refer to number of different groups. Catfish seeking anglers are defined as any angler who has spend at least 1 trip during 2002 in pursuit of a catfish species (channel, blue, flathead, or bullhead). This is the most general group included in the analyses and is also the least avid group of anglers in regards to their relationship to catfish angling. Catfish anglers are defined as those respondents who identified a catfish species as the species they most prefer to target. Catfish anglers represent a smaller group of respondents with a higher avidity for catfish …
Summary Of Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River And The Palm River Conducted On February 1 - 4, 2005, The City Of Tampa Wastewater Department
Summary Of Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River And The Palm River Conducted On February 1 - 4, 2005, The City Of Tampa Wastewater Department
Reports
The Bay Study Group (BSG) conducted nutrient enrichment studies (bioassays) on natural phytoplankton population samples collected in the lower Hillsborough River and the Palm River on February 1, 2005. The Hillsborough River test site was located approximately 200m upriver of the Nebraska Avenue bridge (Lat: 28o 01.171’N; Lon: 82o 27.025’W) and the Palm River test site was located approximately 300m downstream from the barrier at Structure-160 (Lat: 27o 57.308’N; Lon: 82o 22.200’W).
Ecological Functions And Values Of Fringing Salt Marshes Susceptible To Oil Spills In Casco Bay, Maine, Pamela A. Morgan, Michele Dionne, Richard Mackenzie, Lucas Curci
Ecological Functions And Values Of Fringing Salt Marshes Susceptible To Oil Spills In Casco Bay, Maine, Pamela A. Morgan, Michele Dionne, Richard Mackenzie, Lucas Curci
Environmental Studies Faculty Publications
Casco Bay is the largest oil port in Maine and northern New England, handling over 20 million tons of crude oil and oil products annually. The susceptibility of the Bay’s estuarine habitats, especially its fringing salt marshes, to potential spill events was the impetus for this study. Although much has been learned to date about the effects of oil spills on estuarine habitats around the world, there is a real need for site-specific knowledge of the structures and functions of local habitats so that resource managers can be prepared in the event of a spill. Our study focused specifically on …
Summary Of Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River, The Palm River, And The Alafia River Conducted On October 18 - 22, 2004, The City Of Tampa Wastewater Department
Summary Of Nutrient Enrichment Studies Of Natural Phytoplankton Populations In The Lower Hillsborough River, The Palm River, And The Alafia River Conducted On October 18 - 22, 2004, The City Of Tampa Wastewater Department
Reports
The Bay Study Group (BSG) conducted nutrient enrichment studies (bioassays) on natural phytoplankton population samples collected in the Lower Hillsborough River, the Palm River, and the Alafia River on October 18, 2004. The Lower Hillsborough River test site was located approximately 200m upriver of the Nebraska Avenue bridge (Lat: 28o 01.171’N; Lon: 82o 27.025’W), the Palm River test site was located approximately 300m downstream from the barrier at Structure-160 (Lat: 27o 57.308’N; Lon: 82o 22.200’W), and the Alafia River test site was located at the Hillsborough County boat ramp at Center Avenue (Lat: 27o 52.842’N; Lon: 82o 18.011’W).
Five-Year Review Of Executive Order 13112 On Invasive Species
Five-Year Review Of Executive Order 13112 On Invasive Species
National Invasive Species Council
Invasive species inhabit all regions of the United States and every nation. The price society pays for invasives is reflected not only in significant economic damage but also in high level of environmental degradation, loss of recreational opportunities, and harm to animal, plant, and human health. Executive Order 13112 (EO) was issued in 1999 to enhance federal coordination and response to the complex and accelerating problem of invasive species. As directed by the EO, the National Invasive Species Council has approved this report for the Office of Management and Budget to assess the effectiveness of the EO and evaluate whether …
Guidelines For Ranking Invasive Species Control Projects
Guidelines For Ranking Invasive Species Control Projects
National Invasive Species Council
Invasive species issues challenge all of us everyday. Whether you are formally tasked with land management or simply active in exploring and protecting ecosystems, dealing with the threats presented by the multitude of terrestrial, aquatic, or microbial invasive species is a complicated matter. The National Invasive Species Council (NISC) has been tasked, since the signing of Executive Order 13112 in 1999, with assisting in the coordination of efforts to combat invasive species. The NISC developed the National Invasive Species Management Plan (Plan) and Action Item #32 of the Plan states: By January 2003, NISC will develop and issue guidance for …
Canada Thistle
National Invasive Species Council
Alternate Names
Synonyms
Description
Similar Species
Family: Asteraceae
Ecological Impact
Biology and Invasive Potential
Distribution and Abundance
Management
Notes