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External Press Releases — Page 17

Birds, bats and nearby forest increase cacao yield

Researchers compared cacao productivity and arthropod diversity in the presence and in the absence of birds and bats in organically managed, native cacao agroforests from northwestern Peru. Their results showed that the presence of birds and bats increased cacao productivity by 118%.

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Ticks prove resilient to extreme temperatures

Tick season is here, along with the increased danger of Lyme disease, and it turns out the tiny arachnids are even tougher than scientists previously thought. A recent study in Ecological Monographs shows blacklegged ticks (Ixodes scapularis) are actually really good at surviving extreme cold and heat in nature.

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Study Reveals Way to Measure Role of Climate Change in Insect Decline

To learn more about the causes of recent seismic shifts in insect populations, scientists at Davidson College and Catawba College collaborated on a three-year research project with more than 50 other scientists to examine the impact of temperature variation on insects in North America. The research was published in the scientific journal Ecology in late March.

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Logo of the journal Frontiers in Ecology and the Environment

Less Ice, Fewer Calling Seals

When the sea ice vanishes, Antarctic seals become silent. This is the main conclusion of a new article just published by Dr Ilse van Opzeeland’s research group.

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“Weniger Eis, weniger rufende Robben

by Folke Mehrtens, Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research April 17, 2023 Wenn das Meereis verschwindet, verstummen antarktische Robben. Das ist das Ergebnis eines Fachartikels, den eine Gruppe um Dr. Ilse van Opzeeland jetzt veröffentlicht hat. Die Biologin forscht am Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI) und am Helmholtz-Institut für Funktionelle Marine Biodiversität an der…

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Risky strategy helps migratory birds offset climate change

Deteriorating habitat conditions caused by climate change are wreaking havoc with the timing of bird migration. A new study demonstrates that birds can partially compensate for these changes by delaying the start of spring migration and completing the journey faster – but the strategy comes with a decline in overall survival.

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