An Endemic Plant and the Plant-Insect Visitor Network of a Dune Ecosystem
Global Ecology and Conservation 18 (2019) e00603 Contents lists available at ScienceDirect Global Ecology and Conservation journal homepage: http://www.elsevier.com/locate/gecco Original Research Article An endemic plant and the plant-insect visitor network of a dune ecosystem * Claudia L. Jolls a, c, d, , Jaclyn N. Inkster a, b, Brian G. Scholtens c, e, Pati Vitt d, f, Kayri Havens d a Department of Biology, Howell Science Complex MS 551, East Carolina University, Greenville, NC, USA b Nomad Ecology LLC, Martinez, CA, USA c University of Michigan Biological Station, Pellston, MI, USA d Chicago Botanic Garden, Glencoe, IL, USA e College of Charleston, Charleston, SC, USA f Lake County Forest Preserves, Libertyville, IL, USA article info abstract Article history: Network theory increasingly is used to quantify and evaluate mutualistic interactions, such Received 14 November 2018 as those among plants and their flower-visiting insects or pollinators. Some plant species Received in revised form 26 March 2019 have been shown to be important in community structure using network metrics; how- Accepted 26 March 2019 ever, the roles of plant taxa, particularly rare species, are not well understood. Pitcher's thistle (Cirsium pitcheri), a threatened endemic of Great Lakes shorelines, flowers late-June Keywords: to early-August, when other floral resources may be less abundant or unavailable. We Plant-insect visitor network performed 10 min insect visitor observations on all insect pollinated plants in 44e10 m by Cirsium pitcheri fl Rarity 10 m plots at Sturgeon Bay, northern lower MI, USA, during C. pitcheri owering and fl Dune endemics recorded plant species, number of open owers, species of insect visiting, and number of visits by insects.
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