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Displaying 5401 to 5420 of 6849

  • Scientists Release First Map of Areas Suitable for Spotted Lanternfly's Establishment in U.S. and World

    • Oct 3, 2019
    • USDA. Agricultural Research Service.

    • A map identifying the areas suitable for establishment of the spotted lanternfly (SLF) in the United States and other countries has been published in the Journal of Economic Entomology by Agricultural Research Service scientists. The SLF, originally from China, has spread to Korea and Japan, and has been found most recently in the United States in Pennsylvania, New Jersey, Virginia and Delaware. These insects are pests of many agricultural crops including almonds, apples, blueberries, cherries, peaches, grapes and hops as well as hardwoods such as oak, walnut and poplar, among others. USDA and State partners have been working to contain SLF populations since 2014. There is the potential for far reaching economic damage if the SLF becomes widely established in the United States.

  • Scientists Uncover How Invasive Plants Gain a Head Start After Fire

    • Mar 12, 2020
    • University of Western Australia.

    • New research from The University of Western Australia has shed light on why some invasive plants make a better comeback after a fire, outstripping native species in the race for resources.

  • Scotch Broom - History and Ecology in North America [PDF, 8.65 MB]

    • 2022
    • North American Invasive Species Management Association.

    • See also: Biocontrol Factsheets for more information on biocontrol agents

  • Scotch broom (Cytisus scoparius)

    • Wisconsin Department of Natural Resources.

  • Scotch Broom: Biology and Management in the Pacific Northwest - PNW 103

    • Jul 2008
    • University of Idaho; Oregon State University; Washington State University. Pacific Northwest Extension.

  • Scotch Broom: Identification, Biology, and Integrated Management

    • Jul 2021
    • Montana State University Extension.

  • Scotch Thistle - PNW 569

    • Sep 2003
    • University of Idaho; Oregon State University; Washington State University. Pacific Northwest Extension.

  • Scottish Invasive Species Initiative

    • Scottish Natural Heritage.

  • Screen and Evaluate Invasive and Non-native Data (SEINeD)

    • DOI. United States Geological Survey.

    • Identifying the leading edge of an invasion can be difficult, especially when the invader is a native transplant, or if the invader is not well-known. This tool allows a user to upload a biological dataset collected anywhere in the conterminous U.S., Alaska, Hawaii, or Island Territories to screen for occurrences of non-native and invasive aquatic species tracked by the NAS Database.

  • Screening Aid - Coconut Rhinoceros Beetles [PDF, 8.3 MB]

    • Jan 2019
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screening Aid - European Spruce Bark Beetle [PDF, 6.82 MB]

    • Jun 2015
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screening Aid - False Codling Moth [PDF, 2.04 MB]

    • Oct 2014
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screening Aid - Pine Lappets [PDF, 1.79 MB]

    • Jul 2014
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screening Aid - Pine Shoot Beetles [PDF, 5.44 MB]

    • Jun 2015
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screening Aid - Spruce Longhorn Beetles [PDF, 5.04 MB]

    • Jan 2019
    • USDAAPHISPPQCPHST. Identification Technology Program.

    • See also: ITP Products for more screening aids

  • Screwworm Eradication Program Records

    • USDA. ARS. National Agricultural Library.

    • The Screwworm Eradication Program Records, housed in Special Collections of the National Agricultural Library (NAL), documents one of the greatest success stories in the history of American agriculture. Led by the United States Department of Agriculture (USDA), the eradication of the screwworm from the United States, Mexico, and most of Central America marked a major victory over the destruction of domestic and wild animals by an insect which feeds only on the living tissue of warm-blooded animals.

      The Screwworm Eradication Program Records document research and eradication efforts from the 1930s through 2000. These materials include correspondence, plans, reports, scientific papers and manuscripts, publications, raw research data and research analyses, livestock producer information materials and reports, cooperative agreements, photographs, maps and artifacts.

  • Screwworm Fact Sheet [PDF, 313 KB]

    • Nov 2017
    • California Department of Food and Agriculture. Animal Health Branch.

    • See also: Cattle Health for more resources

  • Sea Grant Network

    • DOC. NOAA. National Sea Grant Office.

    • Provides contact information for State Sea Grant Programs Websites. The Sea Grant Directors lead the 33 Sea Grant programs, the National Sea Grant Law Center, and the National Sea Grant Library based at top universities in every coastal and Great Lakes state, Puerto Rico, and Guam, working to bring the robust intellectual capacity in place at these universities to bear on important societal problems. They coordinate program activities, setting local, regional and national priorities, and work as part of a national network to help citizens and businesses understand, conserve and better utilize America’s coastal, ocean and Great Lakes resources.

  • Sea Lamprey

    • DOI. Fish and Wildlife Service.

  • Sea Lamprey Abundances Below Target In Lakes Michigan And Ontario And Are Decreasing In Lakes Superior, Huron, And Erie [PDF, 243 KB]

    • Nov 12, 2019
    • Great Lakes Fishery Commission.

    • The Great Lakes Fishery Commission today reported that populations of the invasive, parasitic sea lamprey remain at near-historic lows, below targets, in Lakes Michigan and Ontario, and above target, but holding steady, in Lakes Huron, Superior and Erie. Sea lamprey populations in Lake Huron are close to target levels and have been holding steady for the past five years. Abundances in Lakes Superior and Erie remain above target but have also decreased significantly since the near-record highs observed in 2017. Sea lampreys are the worst of the alien species to invade the Great Lakes. Before control, sea lampreys destroyed many times the human fish catch. Today, sea lamprey control is the foundation of the $7 billion Great Lakes fishery. The Commission and its partners are encouraged by the overall decrease in abundance of sea lampreys throughout the Great Lakes basin during 2019, but caution that environmental conditions, such as a prolonged spring and high precipitation events, contributed to the decrease.