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Temporal matches between monarch butterfly and milkweed population changes over the past 25,000 years.
Boyle, John H; Strickler, Susan; Twyford, Alex D; Ricono, Angela; Powell, Adrian; Zhang, Jing; Xu, Hongxing; Smith, Ronald; Dalgleish, Harmony J; Jander, Georg; Agrawal, Anurag A; Puzey, Joshua R.
Afiliación
  • Boyle JH; Biology Department, College of William & Mary, 540 Landrum Dr., Williamsburg, VA 23185, USA; Biology Department, University of Mary, 7500 University Dr., Bismarck, ND 58504, USA.
  • Strickler S; Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA; Chicago Botanic Garden, Plant Science and Conservation, 1000 Lake Cook Rd., Glencoe, IL 60022, USA; Northwestern University, Plant Biology and Conservation Program, 2145 Sheridan Rd., Evanston, IL 60208, USA.
  • Twyford AD; Institute of Ecology and Evolution, University of Edinburgh, Charlotte Auerbach Rd., Edinburgh EH9 3FL, UK; Royal Botanic Garden Edinburgh, Edinburgh EH3 5NZ, UK.
  • Ricono A; Biology Department, College of William & Mary, 540 Landrum Dr., Williamsburg, VA 23185, USA.
  • Powell A; Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA.
  • Zhang J; Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA.
  • Xu H; Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA; College of Life Sciences, Shaanxi Normal University, South Chang'an Rd., Xi'an 710062, China.
  • Smith R; Data Science Program, College of William & Mary, 540 Landrum Dr., Williamsburg, VA 23185, USA.
  • Dalgleish HJ; Biology Department, College of William & Mary, 540 Landrum Dr., Williamsburg, VA 23185, USA.
  • Jander G; Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA.
  • Agrawal AA; Department of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853, USA.
  • Puzey JR; Biology Department, College of William & Mary, 540 Landrum Dr., Williamsburg, VA 23185, USA. Electronic address: jrpuzey@wm.edu.
Curr Biol ; 33(17): 3702-3710.e5, 2023 09 11.
Article en En | MEDLINE | ID: mdl-37607548
In intimate ecological interactions, the interdependency of species may result in correlated demographic histories. For species of conservation concern, understanding the long-term dynamics of such interactions may shed light on the drivers of population decline. Here, we address the demographic history of the monarch butterfly, Danaus plexippus, and its dominant host plant, the common milkweed Asclepias syriaca (A. syriaca), using broad-scale sampling and genomic inference. Because genetic resources for milkweed have lagged behind those for monarchs, we first release a chromosome-level genome assembly and annotation for common milkweed. Next, we show that despite its enormous geographic range across eastern North America, A. syriaca is best characterized as a single, roughly panmictic population. Using approximate Bayesian computation with random forests (ABC-RF), a machine learning method for reconstructing demographic histories, we show that both monarchs and milkweed experienced population expansion during the most recent recession of North American glaciers 10,000-20,000 years ago. Our data also identify concurrent population expansions in both species during the large-scale clearing of eastern forests (∼200 years ago). Finally, we find no evidence that either species experienced a reduction in effective population size over the past 75 years. Thus, the well-documented decline of monarch abundance over the past 40 years is not visible in our genomic dataset, reflecting a possible mismatch of the overwintering census population to effective population size in this species.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mariposas Diurnas / Asclepias Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Curr Biol Asunto de la revista: BIOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mariposas Diurnas / Asclepias Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Curr Biol Asunto de la revista: BIOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido