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  • … ecology remain poorly understood, which greatly limits conservation and management efforts. To help fill in this knowledge gap, we’ve been investigating how floral food resources and climate contribute to variation in wild bee populations and community patterns. We’ve also been thinking a lot about …
    Type: Research
  • … patterns. We use the mutualistic interactions among plants and pollinators as a model system to ask fundamental ecological questions about the importance of species interactions and to understand the ecological consequences of global change (e.g., climate change, biodiversity …
    Type: Staff bio
  • … were collected from extensive coal and clay open-pit mines in Colombia and are about 58 to 60 million years old, from the Paleocene epoch. During this period, the world was under a … most diverse and abundant component of the earliest rainforests in northern South America 58 to 60 million years ago. These legume fossils grew in the earliest rainforest of South America …
    Type: Research
  • … expansion of the Panama Canal in Central America. The 19-million-year-old fossils are related to modern-day mangos, poison ivy, and cashews—all members of the family Anacardiaceae. The … second species is in the genus Antrocaryon (Ameixa or jacaiacá plums), which today are native to the Amazonian rainforests. The third species is in the genus Dracontomelon (chi sấu plums), …
    Type: Research
  • … oak-maple woodlands (Chicago). We use both experimental and observational approaches to identify both local and ecosystem patterns of plant-mycorrhizal responses. (Egerton-Warburton, …
    Type: Research
  • … Reintroductions are increasingly used to expand the occupancy and abundance of endangered species and thus reduce their extinction …
    Type: Research