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Where do plants and animals live in the tropics?

Biologists have understood for a long time that plant and animal species are not evenly distributed among the world's tropical areas, and wondered why. Africa has spectacular numbers of primate and hoofed mammal species. Southeast Asia is much smaller in size than Africa, but has... click to read more

Views 648
Reading time 3.5 min
published on Jul 27, 2021
Overfishing endangers oceanic sharks and rays

For humans, the ocean is vast and mysterious. The portrayal of top predators in the ocean – from krakens to Moby Dick – shows how they have historically been feared and hunted. For the true top predators – oceanic sharks and rays – mortality has... click to read more

  • Holly K. Kindsvater | Assistant Professor at Department of Fish and Wildlife Conservation, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
  • Nathan Pacoureau | Postdoctoral Research Fellow at Department of Biological Sciences, Earth to Ocean Research Group, Simon Fraser University, Burnaby, British Columbia, Canada
  • Nicholas K. Dulvy | Professor at Department of Biological Sciences, Earth to Ocean Research Group, Simon Fraser University, Burnaby, British Columbia, Canada
Views 817
Reading time 4 min
published on Jul 14, 2021
Beware of humans and glacial maximums – the story of cave bear extinction

The cave bear is one of the dozens of species of large Pleistocene mammals that faced extinction during the last Ice Age. Until today, the reasons for their extinctions remain mysterious, especially since the cave bear Ursus spelaeus populated vast areas of Eurasia for more... click to read more

  • Verena J. Schuenemann | Assistant Professor at Institute for Evolutionary Medicine, University of Zurich, Zurich, Switzerland
  • Joscha Gretzinger | PhD student at Max Planck Institute for the Science of Human History, Jena, Germany
Views 2738
Reading time 3 min
published on Mar 25, 2020
Global warming blamed for Earth’s largest mass extinction

The industrial burning of fossil fuels is adding greenhouse gases to the atmosphere, trapping heat near the planet's surface and warming the oceans. A major effect of warming is to reduce the amount of dissolved oxygen (O2) found in the sea. This effect arises for... click to read more

  • Justin Penn | PhD student at University of Washington, School of Oceanography, Seattle, USA
Views 4645
Reading time 3.5 min
published on Oct 28, 2019
High extinction risk for wild coffee species and implications for coffee sector sustainability

It has been estimated that coffee farming provides livelihoods for around 100 million people worldwide, most of which are smallholder farmers. For many coffee producing countries, coffee exports make up a significant and critically important proportion of their export earnings. Despite the number of producers... click to read more

  • Aaron P. Davis | Senior Research Leader at Royal Botanic Gardens, Kew, Richmond, Surrey, UK
Views 2135
Reading time 4 min
published on Jul 5, 2019