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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Optimizing Management Of Invasions In An Uncertain World Using Dynamic Spatial Models, Kim M. Pepin, Amy J. Davis, Rebecca S. Epanchin-Niell, Andrew M. Gormley, Joslin L. Moore, Timothy J. Smyser, H. Bradley Shaffer, William L. Kendall, Katriona Shea, Michael C. Runge, Sophie Mckee
Optimizing Management Of Invasions In An Uncertain World Using Dynamic Spatial Models, Kim M. Pepin, Amy J. Davis, Rebecca S. Epanchin-Niell, Andrew M. Gormley, Joslin L. Moore, Timothy J. Smyser, H. Bradley Shaffer, William L. Kendall, Katriona Shea, Michael C. Runge, Sophie Mckee
USDA Wildlife Services: Staff Publications
Dispersal drives invasion dynamics of nonnative species and pathogens. Applying knowledge of dispersal to optimize the management of invasions can mean the difference between a failed and a successful control program and dramatically improve the return on investment of control efforts. A common approach to identifying optimal management solutions for invasions is to optimize dynamic spatial models that incorporate dispersal. Optimizing these spatial models can be very challenging because the interaction of time, space, and uncertainty rapidly amplifies the number of dimensions being considered. Addressing such problems requires advances in and the integration of techniques from multiple fields, including ecology, …
An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, Richard M. Engeman, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, Richard M. Engeman, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
USDA Wildlife Services: Staff Publications
Feral hogs (Sus scrofa) are a particularly destructive exotic species in the United States (U.S. Department of Agriculture 1999), including Florida, which, along with Hawaii, is one of 2 states cited as having the most severe invasive species problems (U.S. Congress 1993) in the country. First introduced to North America by the European colonists (Conover 2007) hogs were one of the first invasive exotic species to take hold in Florida. They can transmit disease to livestock (Hartin et al. 2007) and humans (Conover and Vail 2007). They impose a variety of negative environmental impacts, including habitat degradation and …
From The Field: An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
From The Field: An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
USDA Wildlife Services: Staff Publications
Feral hogs (Sus scrofa) are a particularly destructive exotic species in the United States (U.S. Department of Agriculture 1999), including Florida, which, along with Hawaii, is one of 2 states cited as having the most severe invasive species problems (U.S. Congress 1993) in the country. First introduced to North America by the European colonists (Conover 2007) hogs were one of the first invasive exotic species to take hold in Florida. They can transmit disease to livestock (Hartin et al. 2007) and humans (Conover and Vail 2007). They impose a variety of negative environmental impacts, including habitat degradation and …
Damage Reduction Estimates And Benefit-Cost Ratios For Feral Swine Control From The Last Remnant Of A Basin Marsh System In Florida, Richard M. Engeman, Henry T. Smith, Robert Severson, Mary Ann Severson, John Woolard, Stephanie A. Shwiff, Bernice Constantin, Daniel Griffin
Damage Reduction Estimates And Benefit-Cost Ratios For Feral Swine Control From The Last Remnant Of A Basin Marsh System In Florida, Richard M. Engeman, Henry T. Smith, Robert Severson, Mary Ann Severson, John Woolard, Stephanie A. Shwiff, Bernice Constantin, Daniel Griffin
USDA Wildlife Services: Staff Publications
The introduction of swine (Sus scrofa) has adversely affected the environment of many natural habitats throughout the world. Basin marshes are dwindling ecosystems in Florida that are especially vulnerable to damage by feral swine. In January 2003, the estimated amount of swine damage to the exposed portion of the last remnant of a basin marsh system in Savannas Preserve State Park (SPSP) was 19% (an area of 5 ha). Economic valuations for the swine damage were based on the monetary amounts that wetland regulators have allowed permit applicants to spend in mitigation attempts to replace lost wetland resources. …
Prevalence And Economic Value Of Feral Swine Damage To Native Habitat In Three Florida State Parks, Richard M. Engeman, Henry T. Smith, Stephanie A. Shwiff, Bernice Constantin, John Woolard, Mark Nelson, Daniel Griffin
Prevalence And Economic Value Of Feral Swine Damage To Native Habitat In Three Florida State Parks, Richard M. Engeman, Henry T. Smith, Stephanie A. Shwiff, Bernice Constantin, John Woolard, Mark Nelson, Daniel Griffin
USDA Wildlife Services: Staff Publications
Feral swine (Sus scrofa) adversely affect the environment in many of the places where they have been introduced. Such is the case in Florida, but quantification and economic evaluation of the damage can provide objective bases for developing strategies to protect habitats. Swine damage to native wet pine-flatwoods at three state parks in Florida was monitored from winter 2002 to winter 2003. Economic valuations of damage were based on the US dollar amounts that wetland regulators have allowed permit applicants to spend in attempts to replace lost resources. The parks had different swine management histories and the damage …
Neotropical Frogs In Hawaii: Status And Management Options For An Unusual Introduced Pest, Earl W. Campbell Iii, Fred Kraus
Neotropical Frogs In Hawaii: Status And Management Options For An Unusual Introduced Pest, Earl W. Campbell Iii, Fred Kraus
USDA Wildlife Services: Staff Publications
Two species of Neotropical frog, Eleutherodactylus coqui and E. planiroshir, have been introduced into the state of Hawaii via the horticulture trade. Since 1997 frog colonies within the state have rapidly spread from accidental and intentional causes, and frog abundance within colonies has grown rapidly. Colonies of these frogs are currently known from 262+ locations on the island of Hawaii, 45+ on Maui, 35+ on Oahu, and 2+ on Kauai Although these frogs were originally restricted to horticulture sites, they are now found in residential areas, resorts and hotels, and public lands. Within their native range, they may reach …
Monitoring Changes In Feral Swine Abundance And Spatial Distribution, Richard M. Engeman, Bernice Constantin, Mark Nelson, John Woolard, Jean Bourassa
Monitoring Changes In Feral Swine Abundance And Spatial Distribution, Richard M. Engeman, Bernice Constantin, Mark Nelson, John Woolard, Jean Bourassa
USDA Wildlife Services: Staff Publications
Swine (Sus scrofa) have been introduced in many places throughout the world, and in many places they adversely affect the environment, economically impact agriculture, and/or harbor diseases transmittable to domestic livestock or humans. An easily applied method to assess their abundance is an important need for their management. To monitor efficacy of a swine control program in Florida, data from passive tracking plots provide an index of feral swine abundance. The same track data coupled with plot locations to numerically describe the spatial pattern of swine activity gave an index of pervasiveness, and a simple rate of interception …