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Nitrogen inputs into stream and river ecosystems, and the factors influencing those inputs, are important for various ecological and environmental concerns. Reliable information on where and how nitrogen compounds flow into aquatic ecosystems is indispensable to understanding the nutrient status...
To evaluate the influence of formalin-fixation on the nitrogen isotopic composition of individual amino acids, we conducted a formalin-fixation experiment over 62 weeks using muscle tissues of largemouth bass (Micropterus salmoides) and freshwater minnow (Zacco platypus) collected in Lake Biwa....
Foliar δ15N has been used increasingly in research on ecosystem nitrogen (N) cycling, because it can serve as an integrator of ecosystem N cycling and thus has a potential to reveal temporal and spatial patterns of N cycling as well as how the N cycle is altered by disturbances. However, the...
Food-chain length is an important character of ecological communities that affects many of their functional aspects. Recently, an increasing number of studies have tested the effects of productivity, disturbance, or ecosystem size on food-chain length in a variety of natural systems. Here we...
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