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When it comes to predators, the biggest mouths may not take the biggest bite. According to a new study from bioscientists at Rice University, some predators have their greatest ecological impacts befo...
The roles of productivity and ecosystem size in determining food chain length in tropical terrestrial ecosystems
ecosystem size food chain length food web structure islands
2015/11/13
Many different drivers, including productivity, ecosystem size, and disturbance,
have been considered to explain natural variation in the length of food chains. Much remains
unknown about the role o...
Polyunsaturated fatty acids in the food chain in the United States
Highly unsaturated fatty acids a-linolenic acid eicosapentaenoic acid docosahexaenoic acid n26 fatty acids n23 fatty acids
2016/6/3
In the United States, intake of n23 fatty acids
is <1.6 g/d (<0.7% of energy), of which 1.4 g is a-linolenic acid
(ALA; 18:3) and 0.1–0.2 g is eicosapentaenoic acid (EPA; 20:5)
and docosahexaenoic ...