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Articles 1 - 23 of 23
Full-Text Articles in Life Sciences
Oregon Aspen Project, Forest Restoration Partnership
Oregon Aspen Project, Forest Restoration Partnership
Aspen Bibliography
The Oregon Aspen Project was initiated in response to the decline of aspen groves in Oregon and throughout the Western United States, and the lack of information to guide managers interested in stewardship to enhance this resource. There were three central goals and accompanying objectives for this project which are listed below. The project accomplishments are provided below each bulleted objective
The Development Of A Management Tool To Assess Bacterial Impacts In Rudee Inlet, Virginia Beach, Mac Sisson, Jian Shen, W. G. Reay, Eduardo J. Miles, Albert Y. Kuo, Harry V. Wang
The Development Of A Management Tool To Assess Bacterial Impacts In Rudee Inlet, Virginia Beach, Mac Sisson, Jian Shen, W. G. Reay, Eduardo J. Miles, Albert Y. Kuo, Harry V. Wang
Reports
No abstract provided.
An Examination Of Methods: Hand Picking Red Crabs And Keeping Them Alive On Shore, Dan Kauffman, Robert A. Fisher
An Examination Of Methods: Hand Picking Red Crabs And Keeping Them Alive On Shore, Dan Kauffman, Robert A. Fisher
Reports
No abstract provided.
Empirical Geographic Modeling Of Switchgrass Yields In The United States, Henriette I. Jager, Latha M. Baskaran, Craig C. Brandt, Ethan B. Davis
Empirical Geographic Modeling Of Switchgrass Yields In The United States, Henriette I. Jager, Latha M. Baskaran, Craig C. Brandt, Ethan B. Davis
Dartmouth Scholarship
Switchgrass (Panicum virgatum L.) is a perennial grass native to the United States that has been studied as a sustainable source of biomass fuel. Although many field‐scale studies have examined the potential of this grass as a bioenergy crop, these studies have not been integrated. In this study, we present an empirical model for switchgrass yield and use this model to predict yield for the conterminous United States. We added environmental covariates to assembled yield data from field trials based on geographic location. We developed empirical models based on these data. The resulting empirical models, which account for spatial …
Ecological Thresholds In Marine Communities: Theory, Experiments And Management. In Threshold Dynamics In Marine Coastal Systems (Theme Section), Richard W. Osman, Pablo Munguia, Roman Zajac
Ecological Thresholds In Marine Communities: Theory, Experiments And Management. In Threshold Dynamics In Marine Coastal Systems (Theme Section), Richard W. Osman, Pablo Munguia, Roman Zajac
Biology and Environmental Science Faculty Publications
There is increasing interest in the resilience of marine and estuarine populations, communities and ecosystems, and their rapid change when stresses reach some threshold or tipping point. Current research on thresholds is altering our understanding of these systems, the processes by which they change, and our approach to their management and restoration. In this Theme Section conceptual, modeling, and empirical studies explore threshold dynamics in marine coastal systems in a variety of habitats and across different scales. The contributions provide a window on present research, highlight some of the issues being debated, and point to some of the potential applications …
An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Closed Area I And Hudson Canyon Closed Area, David B. Rudders, William D. Dupaul
An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Closed Area I And Hudson Canyon Closed Area, David B. Rudders, William D. Dupaul
Reports
No abstract provided.
2010 Annual Report Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay Project Number: F-104-R-14, Troy D. Tuckey, Mary C. Fabrizio
2010 Annual Report Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay Project Number: F-104-R-14, Troy D. Tuckey, Mary C. Fabrizio
Reports
No abstract provided.
Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Nantucket Lightship Closed Area, David Rudders, William D. Dupaul
Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Nantucket Lightship Closed Area, David Rudders, William D. Dupaul
Reports
No abstract provided.
Final Report Continuing The Time Series: Calibrating The Nmfs Sea Scallop Survey To The R/V Hugh R. Sharp, David Rudders, William D. Dupaul
Final Report Continuing The Time Series: Calibrating The Nmfs Sea Scallop Survey To The R/V Hugh R. Sharp, David Rudders, William D. Dupaul
Reports
No abstract provided.
Abundance And Distribution Of Sea Scallops And Yellowtail Flounder During The 2009 Vims/Industry Cooperative Survey Of The Nantucket Lightship Closed Area (Nlca), William D. Dupaul, David B. Rudders
Abundance And Distribution Of Sea Scallops And Yellowtail Flounder During The 2009 Vims/Industry Cooperative Survey Of The Nantucket Lightship Closed Area (Nlca), William D. Dupaul, David B. Rudders
Reports
No abstract provided.
Disturbance And Plant Succession In The Mojave And Sonoran Deserts Of The American Southwest, Scott R. Abella
Disturbance And Plant Succession In The Mojave And Sonoran Deserts Of The American Southwest, Scott R. Abella
Public Policy and Leadership Faculty Publications
Disturbances such as fire, land clearing, and road building remove vegetation and can have major influences on public health through effects on air quality, aesthetics, recreational opportunities, natural resource availability, and economics. Plant recovery and succession following disturbance are poorly understood in arid lands relative to more temperate regions. This study quantitatively reviewed vegetation reestablishment following a variety of disturbances in the Mojave and Sonoran Deserts of southwestern North America. A total of 47 studies met inclusion criteria for the review. The time estimated by 29 individual studies for full reestablishment of total perennial plant cover was 76 years. Although …
Annual Report To The Governer And General Assembly Of Virginia: Virginia Fishery Resource Grant Program 2009, Virginia Sea Grant
Annual Report To The Governer And General Assembly Of Virginia: Virginia Fishery Resource Grant Program 2009, Virginia Sea Grant
Reports
No abstract provided.
Evaluating The Illinois Stream Valley Segment Model As An Effective Management Tool, Stephen S. Warrner, Robert U. Fischer, Ann M. Holtrop, Leon C. Hinz Jr., James M. Novak
Evaluating The Illinois Stream Valley Segment Model As An Effective Management Tool, Stephen S. Warrner, Robert U. Fischer, Ann M. Holtrop, Leon C. Hinz Jr., James M. Novak
James M. Novak
Stream habitat assessments are conducted to evaluate biological potential, determine anthropogenic impacts, and guide restoration projects. Utilizing these procedures, managers must first select a representative stream reach, which is typically selected based on several criteria. To develop a consistent and unbiased procedure for choosing sampling locations, the Illinois Department of Natural Resources and the Illinois Natural History Survey have proposed a technique by which watersheds are divided into homogeneous stream segments called valley segments. Valley segments are determined by GIS parameters including surficial geology, predicted flow, slope, and drainage area. To date, no research has been conducted to determine if …
Does Exercise Have A Role In The Management Of Gestational Diabetes Mellitus?, Herbert Groeller, Sandra Lowe, Anthony Worsley, Arthur Jenkins
Does Exercise Have A Role In The Management Of Gestational Diabetes Mellitus?, Herbert Groeller, Sandra Lowe, Anthony Worsley, Arthur Jenkins
Faculty of Health and Behavioural Sciences - Papers (Archive)
Gestational diabetes mellitus (GDM) is associated with a marked increase in the long-term risk of type 2 diabetes and adverse pregnancy outcomes. Engaging in vigorous recreational physical activity prior to and during pregnancy significantly reduces the risk of developing GDM. In contrast, evidence of a therapeutic effect from participation in a structured exercise training regimen, although promising, is limited and requires further more substantial investigation. This paper briefly reviews the pathophysiology of GDM, the evidence related to physical activity participation and exercise regimen intervention on GDM, and the clinical considerations required for prescribing exercise. Key Words: gestational diabetes mellitus • …
Application Of A Simple Hydrodynamic Model To Estuary Entrance Management, Errol J. Mclean, Jon B. Hinwood
Application Of A Simple Hydrodynamic Model To Estuary Entrance Management, Errol J. Mclean, Jon B. Hinwood
Faculty of Science - Papers (Archive)
Tidal inlets which link a tidal basin to the sea via a constricted entrance are common on the south-east Australian coast. Closure, or even significant constriction, raises water levels but restricts tidal range within the basin, while open entrances provide regular and significant tidal exchange with the ocean. A rapid assessment procedure with minimal data requirements has been shown to be informative for monitoring and a useful component of any Decision Support System set up as part of a management structure. Such a system is presented in this paper. It is based on one permanent water level gauge inside the …
Examining The Compatibility Between Forestry Incentive Programs In The Us And The Practice Of Sustainable Forest Management, Steven E. Daniels, Michael A. Kilgore, Michael G. Jacobsen, John L. Greene, Thomas J. Straka
Examining The Compatibility Between Forestry Incentive Programs In The Us And The Practice Of Sustainable Forest Management, Steven E. Daniels, Michael A. Kilgore, Michael G. Jacobsen, John L. Greene, Thomas J. Straka
Sociology, Social Work and Anthropology Faculty Publications
This research explores the intersection between the various federal and state forestry incentive programs and the adoption of sustainable forestry practices on non-industrial private forest (NIPF) lands in the US. The qualitative research reported here draws upon a series of eight focus groups of NIPF landowners (two each in Minnesota, Oregon, Pennsylvania, and South Carolina). Despite minor regional variations, the dominant theme that emerged is that these landowners’ purchase and management decisions are motivated by the “trilogy” of forest continuity, benefit to the owner, and doing the “right thing.” This trilogy is quite consistent with notions of sustainable forestry, but …
Shadetree Insect Pest Management, Diane Alston
Shadetree Insect Pest Management, Diane Alston
Archived Gardening Publications
No abstract provided.
Metapopulation Dynamics Of Mid-Continent Lesser Snow Geese: Implications For Management, Lise M. Aubry, Robert F. Rockwell, David N. Koons
Metapopulation Dynamics Of Mid-Continent Lesser Snow Geese: Implications For Management, Lise M. Aubry, Robert F. Rockwell, David N. Koons
Human–Wildlife Interactions
The rapid increase in abundance of lesser snow goose (LSG; Chen caerulescens caerulescens) numbers and their devastating effects on arctic and subarctic habitats has inspired much research on the use of population models for defining appropriate management policies. We use the not yet considered metapopulation approach to examine the elasticity of mid-continent LSG population dynamics to changes in underlying vital rates to determine whether management efforts aimed at decreasing burgeoning numbers should be reevaluated. After considering a variety of geographic scenarios in the metapopulation model, we found that changes in survival would still have a larger impact on population …
Sandhill Crane Staging And Whooping Crane Migratory Stopover Dynamics In Response To River Management Activities On The Central Platte River, Nebraska, Usa, Felipe Chavez-Ramirez
Sandhill Crane Staging And Whooping Crane Migratory Stopover Dynamics In Response To River Management Activities On The Central Platte River, Nebraska, Usa, Felipe Chavez-Ramirez
Proceedings of the North American Crane Workshop
The Central Platte River Valley (CPRV) is a critical stopover for migrating whooping cranes (Grus americana) and the most important staging area for sandhill cranes (G. canadensis) in North America. Due to reduced water flows caused by human activities, the Platte River no longer follows its traditional hydrograph which consisted of high spring flows that produced scouring action that eliminated vegetation. To provide adequate crane roosting habitat during stopover and staging periods, annual and woody vegetation has been mechanically cleared on eastern portions of the CPRV since 1980. Staging sandhill crane riverine roosting area has decreased …
Management Of Amphibian Populations In Booderee National Park, South-Eastern Australia, Trent D. Penman, Traecey Brassil
Management Of Amphibian Populations In Booderee National Park, South-Eastern Australia, Trent D. Penman, Traecey Brassil
Faculty of Science - Papers (Archive)
Often land set aside for conservation becomes a multiple use area, which forces land managers to balance biodiversity values against competing needs. Booderee National Park is an important conservation reserve for a range of amphibian species in south-eastern Australia. The Park includes a number of townships, defence facilities, and recreation areas, as well as land for conservation. We examined amphibian communities in the area and related these to broad habitat features and identified potential threats to the long term viability of these populations. Two distinct assemblages occurred within the Park that could be related to broad habitat features of the …
A History Of Moose Management In Utah, Michael L. Wolfe, Kent R. Hersey, David C. Stoner
A History Of Moose Management In Utah, Michael L. Wolfe, Kent R. Hersey, David C. Stoner
Wildland Resources Faculty Publications
During the first half of the 20th century a moose (Alces alces) population gradually established itself on the North Slope of Utah’s Uinta Mountains from founders in the Greater Yellowstone Ecosystem. Formal management of the species commenced with an aerial survey conducted in 1957, and the first legal hunt in 1958. From this small initial population moose have expanded into other areas of northern Utah and, augmented by transplants, the statewide population has increased to an estimated 3,200 animals as of 2009. In the northern portion of the state moose appear to prosper in riparian willow (Salix sp.) habitats as …
Evaluating Management Actions For Spotted Seatrout, Cynoscion Nebulosus, In Mississippi With An Age-Structured Projection Model, Richard S. Fulford, J. Read Hendon
Evaluating Management Actions For Spotted Seatrout, Cynoscion Nebulosus, In Mississippi With An Age-Structured Projection Model, Richard S. Fulford, J. Read Hendon
Gulf and Caribbean Research
Spotted seatrout, Cynoscion nebulosus, is an important recreational fishery in the coastal waters of the Gulf of Mexico and is the most sought after gamefish in coastal Mississippi. The management of C. nebulosus is state-specific, and unlike other similarly managed species, data on both population structure and movement support the existence of local sub-stocks. It is important for each state to clearly examine its own sub-stock in the context of its own state fishery in order to properly manage for local sustainability. We used an age-structured assessment model to examine the status (1993–2005) of the Mississippi C. nebulosus population …
Evaluating The Illinois Stream Valley Segment Model As An Effective Management Tool, Stephen S. Warrner, Robert U. Fischer, Ann M. Holtrop, Leon C. Hinz Jr., James M. Novak
Evaluating The Illinois Stream Valley Segment Model As An Effective Management Tool, Stephen S. Warrner, Robert U. Fischer, Ann M. Holtrop, Leon C. Hinz Jr., James M. Novak
Faculty Research & Creative Activity
Stream habitat assessments are conducted to evaluate biological potential, determine anthropogenic impacts, and guide restoration projects. Utilizing these procedures, managers must first select a representative stream reach, which is typically selected based on several criteria. To develop a consistent and unbiased procedure for choosing sampling locations, the Illinois Department of Natural Resources and the Illinois Natural History Survey have proposed a technique by which watersheds are divided into homogeneous stream segments called valley segments. Valley segments are determined by GIS parameters including surficial geology, predicted flow, slope, and drainage area. To date, no research has been conducted to determine if …