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Displaying 4321 to 4340 of 6851

  • Nonindigenous Aquatic Species Database: Point Map - Water Lettuce

    • DOI. USGS. Wetland and Aquatic Research Center.

    • Provides detailed collection information as well as animated map.

  • Nonindigenous Aquatic Species Database: Point Map - Water Spinach

    • DOI. USGS. Wetland and Aquatic Research Center.

    • Provides detailed collection information as well as animated map.

  • Nonindigenous Aquatic Species Database: Point Map - Zebra Mussel

    • DOI. USGS. Wetland and Aquatic Research Center.

    • Provides detailed collection information as well as animated map.

  • Nonindigenous Species Activities for Youth [PDF, 625 KB]

    • Nov 2015
    • Mississippi State University. Extension Service.

    • This manual contains three types of activities. First there are introductory, or awareness-building, activities. The second type focuses on both beneficial and detrimental characteristics of exotics. And finally there are activities intended as reinforcers. The best advantage can be gained from this set by selecting at least one introductory activity and several from the second set and following up with routine monitoring of a nonindigenous species in your community.

  • Nonnative Fish Species in Wyoming

    • Wyoming Game and Fish Department.

  • Nonnative Invasive Insects and Diseases Decreasing Carbon Stored in U.S. Forests

    • Aug 13, 2019
    • USDA. FS. Northern Research Station.

    • Photosynthesis feeds trees and has a significant benefit for people, too, namely the removal of carbon from the atmosphere and into live tree biomass through a process called “sequestration.” But USDA Forest Service scientists and a colleague found that increased tree mortality from the impacts of nonnative insects and diseases results in the transfer of carbon stored in live trees into dead material, much of which will eventually return to the atmosphere by decomposition. This threatens the estimated 76 percent of carbon sequestration in North America that comes from forests.

  • Non-Native Invasive Plants of Arizona

    • Dec 2019
    • University of Arizona. Cooperative Extension.

    • This booklet is the 2019 revision of a similar booklet published in 2001 and the second edition.  This updated edition of the guides provide management suggestions for most listed species based on a synthesis of field trials and greenhouse experiments mostly conducted in the arid southwest.  The second edition included most of the invasive plant species that appeared in the 1st edition with several species added.  The updated booklet is not intended to provide a comprehensive list of all of Arizona’s invasive weeds, but rather, it illustrates a few invasive plants that have become, or have the potential to become, problematic in Arizona.
      Publication Number: AZ1482-2016

  • Nonnative Species - Beech Bark Disease

    • DOI. NPS. Pictured Rocks National Lakeshore (Michigan).

  • Nonnatives - Gambian Pouched Rat

    • Florida Fish and Wildlife Conservation Commission.

  • Nonnatives: Swamp Eel

    • Florida Fish and Wildlife Conservation Commission.

  • North American Bat Monitoring Program (NABat)

    • North American Bat Monitoring Program.

    • Launched in 2015, the North American Bat Monitoring Program (NABat) is a continental program that monitors bats at local and range-wide scales. NABat monitoring efforts focus on the 46 species of bats shared by Canada, the United States and Mexico. NABat provides reliable data to promote effective conservation and long-term viability of bat populations and is jointly led by the U.S. Fish and Wildlife Service and the U.S. Geological Survey. Participating members include U.S. Forest Service, National Park Service and other federal, state and provincial agencies in the U.S. and Canada, local and regional agencies, native Tribes, academic institutions, businesses and conservation organizations.

      White-nose syndrome has killed over 90% of northern long-eared, little brown and tri-colored bat populations in fewer than 10 years, according to a new study published in Conservation Biology.
      See also: Summing Up NABat Successes (U.S. Forest Service, CompassLive - Aug 5, 2021)

  • North American Beaver Invasion Occupies Forests and Steppes in Southern Chile and Argentina

    • Dec 16, 2015
    • Scientific American.

    • In 1946 the Argentine Navy imported 10 beaver couples from Canada and set them free in Isla Grande, the deep south of Tierra del Fuego, with the intention of "enriching" the native fauna and the local fur industry. The consequences of such initiative were disastrous: Protected from hunting for 35 years, and devoid of natural predators, the beavers grew over 5,000 times their initial population, caused irreversible changes in the forest ecosystem, and started advancing over the continent. Now, a study published in Chilean Natural History suggests that the demographic explosion of those beavers could be bigger than suspected because it can take years or even decades for local inhabitants to notice the rodents' presence and their impact on the surrounding ecosystems.

  • North American Hornet Screening Tool - Vespa mandarinia

    • USDAAPHISPPQCPHST. Identification Technology Program.

    • This tool is designed to help users differentiate between invasive hornets, specifically Asian giant hornet, and other common non-targets found in the U.S., including bees and wasps. Included are fact sheets and a filterable image gallery that can be used as a rudimentary key.

  • North American Hornet Screening Tool Now Available

    • Jun 21, 2021
    • USDA. APHIS. PPQ. CPHST. Identification Technology Program.

    • ITP is pleased to announce the release of North American Hornet Screening Tool. Hornets in the genus Vespa play a critical role as predators in their native habitats, but in North America these species may have a disastrous impact on agriculture by reducing populations of important pollinators such as the honey bee. Hornets also pose a serious health risk to humans because of their powerful sting. North American Hornet Screening Tool is designed for anyone who may encounter these species in the U.S., including the Asian giant hornet (AGH, V. mandarinia). 

      North American Hornet Screening Tool includes fact sheets and an interactive image gallery to support screening for Asian giant hornet and other potentially invasive hornet (Vespa) species. The interactive gallery can be used as a rudimentary key: by choosing one or more of the filters at the top, you can easily narrow down the images to only those that may match your specimen. A more in-depth version of this tool providing specialized information for identifiers on all exotic hornet (Vespa) species, will be released in 2022.

  • North American Invasive Identification Guide and Checklist

  • North American Invasive Species Management Association (NAISMA) Events

    • North American Invasive Species Management Association.

  • North Carolina Department of Agriculture and Consumer Services (NCDA&CS) Finds Spotted Lanternfly in Forsyth County: First Established Presence of the Pest in North Carolina

    • Jun 29, 2022
    • North Carolina State University. Cooperative Extension.

    • The North Carolina Department of Agriculture and Consumer Services has confirmed the first established presence of the invasive spotted lanternfly (Lycorma delicatula) in the state. Initial surveys indicate the known distribution of the pest is within a 5-mile radius in Forsyth County near Interstate 40 in Kernersville extending to the Guilford County line.

      Early detection and rapid response are critical in the control of spotted lanternfly and the Plant Industry Division has been preparing to provide the most effective response to slow the spread of this invasive pest in the state. If you see or suspect spotted lanternfly in North Carolina submit a picture through the Spotted Lanternfly Reporting Tool.

  • North Carolina Extension Gardener Plant Toolbox - Find Native Plants Attractive to Wildlife

    • North Carolina State University. Extension.

    • The North Carolina Extension Gardener Plant Toolbox has an extensive database of plants that grow in and around North Carolina. You can use this database to find native plants that also attract various types of wildlife.
      See also: Identify a Plant (provides suggested native alternatives)

  • North Carolina Integrated Pest Management Program

    • North Carolina State University. Extension.

  • North Carolina Invasive Plant Council (NC-IPC)

    • North Carolina Invasive Plant Council.