The study found as many as five adult large carnivores, including leopards and striped hyenas, per 100 square kilometers (38 square miles), a density never before reported in a human-dominated landscape.
Camera traps set up at night in a densely populated region of India virtually devoid of wilderness revealed leopards, striped hyenas, jackals -- and lots of people.
Credit: Project Waghoba
The study, called "Big Cats in Our Backyards," appeared in the March 6 edition of the journal PLoS One. Authors include: Vidya Athreya and Ullas Karanth of the Wildlife Conservation Society and Centre for Wildlife Studies in Bangalore; Morten Odden of Hedmark University College; John D. C. Linnell of the Norwegian Institute for Nature Research; and Jagdish Krishnaswamy of Asoka Trust for Research of Ecology in the Environment.Using camera traps, the authors founds that leopards often ranged close to houses at night though remained largely undetected by the public. Despite this close proximity between leopards and people, there are few instances of attacks in this region. The authors also photographed rusty spotted cat, small Indian civet, Indian fox, jungle cat, jackal, mongoose – and a variety of people from the local communities. The research took place in western Maharashtra, India.
The authors say that the findings show that conservationists must look outside of protected areas for a more holistic approach to safeguarding wildlife in a variety of landscapes.The Wildlife Conservation Society saves wildlife and wild places worldwide. We do so through science, global conservation, education and the management of the world's largest system of urban wildlife parks, led by the flagship Bronx Zoo. Together these activities change attitudes towards nature and help people imagine wildlife and humans living in harmony. WCS is committed to this mission because it is essential to the integrity of life on Earth. Visit http://www.wcs.org.
Stephen Sautner | EurekAlert!
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A new indicator for marine ecosystem changes: the diatom/dinoflagellate index
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Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...
For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.
Multiferroics are materials that simultaneously react to electric and magnetic fields. These two properties are rarely found together, and their combined...
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