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NASA Researchers examined an area in the Amazon basin that had never before been exposed to artificial light. Insects make our lives better — they are an important piece of the food chain and they pollinate the plants we use for food and backyard ambiance. But humans make those jobs more difficult, in part because the artificial light we use alters insects’ normal behavior. New research by UCLA and the Smithsonian Conservation Biology Institute shows how the kind of light people use makes a big difference, even in one of the buggiest places on Earth — the Amazon River basin. The study, ...

C. Hui is a Professor of Mathematics and the South African Research Chair (SARChI) in Mathematical and Theoretical Physical Biosciences based at Stellenbosch University and the African Institute for Mathematical Sciences in South Africa. His research focuses on developing models and theories for explaining emerging patterns of biodiversity, networks, and traits in ecology and evolution. CH has published more than 190 papers and received the Elsevier Young Scientist Award in 2011. CH and David M. Richardson authored the book Invasion Dynamics (Oxford University Press). CH is a core-team member...

Monarch Population in California Spirals to Another Record Low By Emma Pelton on 30 November 2020 Emma Pelton [Editor's note: This blog was revised on Friday, 12/11/20, to update the population estimates with new count data.] Early count numbers from Xerces’ Western Monarch Thanksgiving Count suggest that the western migratory population is headed for an all-time low. With approximately 95% of the data in, only 1,800 monarchs have been reported. We anticipate a final total of less than 2,000 monarchs overwintering in California this year. This is a...

Print This week the U.S. Fish and Wildlife Service decided not to list the monarch butterfly (Danaus plexippus) on the federal endangered species list. The decision is especially shocking considering that recent reports show that the over-wintering population of monarchs in California, which numbered more than a million in the late 1990s, has dropped to less than 2000 butterflies this year. Unfortunately, monarch butterflies are emblematic of the current biodiversity crisis that, if left unchecked, will impact human health and quality of life for generations. In a world beset by pandemic it m...