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An increase in the number of citizen science programs has prompted an examination of their ability to provide data of sufficient quality. We tested the ability of volunteers relative to professionals in identifying invasive plant species, mapping their distributions, and estimating their abundance within plots. We generally found that volunteers perform(More)
A s the above vignette illustrates, the future of citizen science will likely be inextricably linked to emerging technologies. By spanning multiple spatial, temporal, and social scales, and by being designed to achieve a number of different outcomes, citizen-science projects will need to adopt new technologies to allow participants and organizers to(More)
Limited resources make it difficult to effectively document, monitor, and control invasive species across large areas, resulting in large gaps in our knowledge of current and future invasion patterns. We surveyed 128 citizen science program coordinators and interviewed 15 of them to evaluate their potential role in filling these gaps. Many programs collect(More)
southwestern United States are being altered by the rapid invasion of Tamarix species. Introduced from Eurasia in the early 1800s for erosion control, windbreaks, and ornamentation, Tamarix was acclaimed for its ability to withstand drought, heat, and diverse soil conditions (Carleton 1914, DiTomaso 1998). These views began to change by the mid-1900s as(More)
Managers need new tools for detecting the movement and spread of nonnative, invasive species. Habitat suitability models are a popular tool for mapping the potential distribution of current invaders, but the ability of these models to prioritize monitoring efforts has not been tested in the field. We tested the utility of an iterative sampling design (i.e.,(More)
Citizen science can make major contributions to informal science education by targeting participants' attitudes and knowledge about science while changing human behavior towards the environment. We examined how training associated with an invasive species citizen science program affected participants in these areas. We found no changes in science literacy(More)
Predicting current and potential species distributions and abundance is critical for managing invasive species, preserving threatened and endangered species, and conserving native species and habitats. Accurate predictive models are needed at local, regional, and national scales to guide field surveys, improve monitoring, and set priorities for conservation(More)
Early detection and rapid response (EDRR) seek to control or eradicate new invasions to prevent their spread, but effective EDRR remains elusive due to financial and managerial constraints. As part of the Great Lakes Early Detection Network, we asked stakeholders to indicate their needs for an effective EDRR communication tool. Our results led to the(More)