ScienceDaily: Nature News |
- Mystery behind earthworm digestion solved
- Crop pests outwit climate change predictions en route to new destinations
- Studying scavenge hunting animals remaining worldwide
| Mystery behind earthworm digestion solved Posted: 04 Aug 2015 11:29 AM PDT Scientists have discovered how earthworms can digest plant material, such as fallen leaves, that would defeat most other herbivores. Earthworms are responsible for returning the carbon locked inside dead plant material back into the ground. They drag fallen leaves and other plant material down from the surface and eat them, enriching the soil, and they do this in spite of toxic chemicals produced by plants to deter herbivores.  |
| Crop pests outwit climate change predictions en route to new destinations Posted: 04 Aug 2015 07:34 AM PDT The dangers of relying on climate-based projections of future crop pest distributions have been highlighted by a new paper that suggests that rapid evolution can confound model results.  |
| Studying scavenge hunting animals remaining worldwide Posted: 04 Aug 2015 04:40 AM PDT Human activities such as livestock farming, fishing or hunting yearly waste tons of food into natural ecosystems. A large part of this anthropogenic food is provided as carrion and subsidizes a wide range of vertebrate species. Scientists have described for the first time the general structure of scavenger communities worldwide, which consist mainly of birds (66%) and mammals (34%).  |
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