Such modelling exploits relationships between species' occurrences and characteristic environmental conditions. The accuracy of resulting models is crucial if they are to improve our understanding of patterns in biological diversity and inform conservation decisions.
A new study by McPherson and Jetz in the journal Ecography demonstrates how some species’ distributions are better captured by these models than others' due to inherent differences in their ecological traits.
To estimate the level of uncertainty in model predictions, the authors have examined how species’ characteristics such as body size and diet affect model accuracy in 1329 African bird species. Distribution models are least accurate for migratory and wetland species and species with large geographic ranges. These findings illustrate the interaction between species' ecological attributes and their environmental requirements, a long-standing question in ecology.
From a practical standpoint, the study offers scientists, wildlife managers and policy-makers a rule of thumb for gauging the reliability of species distribution models when careful tests of model accuracy are hampered by lacking data. Moreover the study indicates that reasonable models of current distributions can be achieved for most species, which is excellent news for anyone using distribution models in conservation planning.
Davina Quarterman | alfa
When corals eat plastics
24.05.2018 | Justus-Liebig-Universität Gießen
Dispersal of Fish Eggs by Water Birds – Just a Myth?
19.02.2018 | Universität Basel
The more electronics steer, accelerate and brake cars, the more important it is to protect them against cyber-attacks. That is why 15 partners from industry and academia will work together over the next three years on new approaches to IT security in self-driving cars. The joint project goes by the name Security For Connected, Autonomous Cars (SecForCARs) and has funding of €7.2 million from the German Federal Ministry of Education and Research. Infineon is leading the project.
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A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.
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At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.
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There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?
At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...
So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics
Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...
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