Research Press Release
Scientific Reports
July 1, 2021
Harpy eagles (Harpia harpyja) – which are among the world’s largest eagle species - struggle to feed offspring in heavily deforested areas of the Amazon, according to a study published in
Scientific Reports.
Everton Miranda and colleagues found that harpy eagles rely on specific prey that lives in canopy forests, including sloths and monkeys. Eaglets starved in areas of high deforestation where canopy-based food was limited.
The authors observed prey species, how frequently prey was delivered, and estimated the weight of prey in 16 harpy eagle nests in Amazonian forests in Mato Grosso, Brazil using cameras and identifying prey bone fragments. They also referenced maps and Google Earth to calculate deforestation levels 3-6km around nests. The authors identified 306 prey items, nearly half (49.7%) of which were two-toed sloths, brown capuchin monkeys and grey woolly monkeys. The authors’ observations indicated that har
Research Press Release
Nature Communications
June 30, 2021
267 million people worldwide live on land less than two metres above sea level, which is most at risk from sea level rise, according to a study in
Nature Communications. The paper suggests that by 2100 the number could increase to 410 million people, with the majority of this land found in the tropics.
Climate change has caused sea levels to rise and more frequent and severe storms to occur, both of which increase flood risks in coastal environments. Predicting the risk of flooding relies on accurate land elevation data, but this is not available in many parts of the world.
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