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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Global Forces Of Change: Implications For Forest-Poverty Dynamics, Priya Shyamsundar, Laura Aileen Sauls, Jennifer Zavaleta Cheek, Kira Sullivan-Wiley, J.T. Erbaugh, P. P. Krishnapriya
Global Forces Of Change: Implications For Forest-Poverty Dynamics, Priya Shyamsundar, Laura Aileen Sauls, Jennifer Zavaleta Cheek, Kira Sullivan-Wiley, J.T. Erbaugh, P. P. Krishnapriya
Natural Resource Management Faculty Publications
This article examines global trends likely to influence forests and tree-based systems and considers the poverty implications of these interactions. The trends, identified through a series of expert discussions and review of the literature, include: (i) climatic impacts mediated through changes in forests, (ii) growth in commodity markets, (iii) shifts in private and public forest sector financing, (iv) technological advances and rising interconnectivity, (v) global socio-political movements, and (vi) emerging infectious diseases. These trends bring opportunities and risks to the forest-reliant poor. A review of available evidence suggests that in a business-as-usual scenario, the cumulative risks posed by these global …
Expanding Grass-Based Agriculture On Marginal Land In The U.S. Great Plains: The Role Of Management Intensive Grazing, Tong Wang, Hailong Jin, Urs Kreuter, Richard Teague
Expanding Grass-Based Agriculture On Marginal Land In The U.S. Great Plains: The Role Of Management Intensive Grazing, Tong Wang, Hailong Jin, Urs Kreuter, Richard Teague
Economics Faculty Publications
No abstract provided.
Effects Of Harvest Regulations And Post-Release Hooking Mortality On Walleye Populations In South Dakota, Cade Lyon
Electronic Theses and Dissertations
Harvest regulations are commonly implemented to manipulate fisheries stocks. By regulating the size and number of fish that are harvested by anglers, managers are able to meet the goals and needs of regions. However, these management actions come with the potential for negative consequences. Overexploitation due to less restrictive harvest regulations can cause collapses in fisheries populations. In addition, indirect consequences such as hooking mortality brought on by length-based regulations can also be detrimental to populations. In this study, I investigated the effects of various harvest regulations on Walleye populations in three western South Dakota irrigation reservoirs: Angostura, Belle Fourche, …
Spatial And Temporal Patterns Of Sympatric Bobcats (Lynx Rufus) And Coyotes (Canis Latrans) In An Agricultural Landscape, Marlin M. Dart
Spatial And Temporal Patterns Of Sympatric Bobcats (Lynx Rufus) And Coyotes (Canis Latrans) In An Agricultural Landscape, Marlin M. Dart
Electronic Theses and Dissertations
Bobcat (Lynx rufus) populations experienced declines in the Midwest during the 20th century due to land conversion for agriculture and over exploitation and were practically nonexistent in areas by the 1970-80s. Populations have been recovering following changes in land-use practices and habitat improvement. Eastern South Dakota was closed to bobcat harvest in 1977 but reopened in 2012 to select counties. Bobcats are elusive, have large home ranges, and occur at low densities, making monitoring their populations difficult. Camera trapping is an effective tool for monitoring elusive carnivores but can be burdened by low detection rates. Researchers often employ …
Pheasant Ecology In An Agricultural Landscape Of South Dakota, Sprih Harsh
Pheasant Ecology In An Agricultural Landscape Of South Dakota, Sprih Harsh
Electronic Theses and Dissertations
Habitat loss and fragmentation are the greatest threats to wildlife conservation. Grasslands are among the most threatened ecosystems worldwide. The large-scale conversion of North American grasslands to cultivation has been strongly associated with declines of grassland bird populations. The ring-necked pheasant (Phasianus colchicus) is a common grassland bird which is negatively impacted by the conversion of grassland to cropland. Though pheasants are non-native to South Dakota, they have become naturalized in most of the state. However, with increases in agricultural intensification in South Dakota, indices of pheasant abundance from brood route surveys suggest that pheasant populations have declined to historically …
Natural Resource Management Newsletter, Fall 2020/Winter 2021, Department Of Natural Resource Management
Natural Resource Management Newsletter, Fall 2020/Winter 2021, Department Of Natural Resource Management
NRM Newsletter
[Page] 2 One Day for State
[Page] 2 SDSU Extension NPI Range Roundup
[Page] 3 Con McCrea and NRLE News
[Page] 3 Pete Bauman Updates Western SD Undisturbed Land Data
[Page] 4 First Annual NPI Photo Contest
[Page] 4 Conservation Planning & Park Management Undergraduate Student Eagle Scout Project
[Page] 5 Joe Jenks' Zoom Retirement Celebration
[Page] 6 NRM Affiliate Assistant Professor, Maaz Gardezi - NSF Precision Ag Project: NSF project to build farmers’ confidence in precision ag technologies
[Page] 6 NRM Affiliate, Stella Liu - Faculty Feature video
[Page] 7 SDSU Extension to assess farm-ranch stress statewide
[Page] 8 …
An Evaluation Of The Bighorn Sheep Population In Badlands National Park, Austin J. Wieseler
An Evaluation Of The Bighorn Sheep Population In Badlands National Park, Austin J. Wieseler
Electronic Theses and Dissertations
Within the last century, bighorn sheep (Ovis canadensis) in the badlands ecosystem of western South Dakota have been subjected to complete extirpation, reintroduction, disease die-offs, genetic bottlenecking, and population augmentation. Subsequently, the population in Badlands National Park (BNP) appears to have recovered, but it was unknown to what degree past events had influenced the population. From 2017-2019, we conducted research on 5 subherds within 2 management units in BNP to 1) survey for the presence of respiratory pathogens and estimate the prevalence of other potentially infectious diseases; 2) assess adult and lamb survival and cause-specific mortality; 3) estimate population size …
Effects Of Predator Management And Parasitism On Over-Water Nesting Diving Duck Production In Southwestern Manitoba, Trenton E. Rohrer
Effects Of Predator Management And Parasitism On Over-Water Nesting Diving Duck Production In Southwestern Manitoba, Trenton E. Rohrer
Electronic Theses and Dissertations
Nest survival of upland nesting waterfowl (e.g., mallard [Anas platyrhynchos], blue-winged teal [Anas discors]) has been studied extensively in the Prairie Pothole Region (PPR) of North America. Conversely, over-water nesting diving ducks’ nest survival is poorly understood, likely because over-water nests are more challenging to find, may be less concentrated, and searching for these nests is physically demanding. Nest depredation is considered a leading cause of duck nest failure and is considered a limiting factor on upland nesting waterfowl production in the PPR. Similar factors limiting upland nesting duck production may limit over-water nesting duck productivity, but studies of this …