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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Wayne E Thogmartin Upper Midwest Environmental Sciences Center U.S. Geological Survey Karen Oberhauser U.S. Geological Survey - ScienceBase More... Tag Types Theme (1) USGS Scientific Topic Keyword (1) Place (1) Harvest Set (1) Tag Schemes None (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Code and data for 'Confirmation of a decline in the summer population of the monarch butterfly due to habitat loss' This code describes graphical and analytical comparisons between monarch butterfly survey data collected during summer breeding, fall migration, and winter. Categories: Data; Tags: Danaus plexippus, Ecology, Land Use Change, Monarch Butterfly Biosphere Reserve, USGS Science Data Catalog (SDC), All tags... Wildlife Biology, biota, citizen science, eastern North America, glyphosate, monarch butterfly, Fewer tags