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pro vyhledávání: '"Steve Hilburger"'
Autor:
Wayne E Thogmartin, Laura López-Hoffman, Jason Rohweder, Jay Diffendorfer, Ryan Drum, Darius Semmens, Scott Black, Iris Caldwell, Donita Cotter, Pauline Drobney, Laura L Jackson, Michael Gale, Doug Helmers, Steve Hilburger, Elizabeth Howard, Karen Oberhauser, John Pleasants, Brice Semmens, Orley Taylor, Patrick Ward, Jake F Weltzin, Ruscena Wiederholt
Publikováno v:
Environmental Research Letters, Vol 12, Iss 7, p 074005 (2017)
The eastern migratory population of monarch butterflies ( Danaus plexippus plexippus ) has declined by >80% within the last two decades. One possible cause of this decline is the loss of ≥1.3 billion stems of milkweed ( Asclepias spp.), which monar
Externí odkaz:
https://doaj.org/article/56928cd3f32f4a4c8117ec8272a91fc2
