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Biological diversity can be divided into: alpha (α, local), beta (β, difference in assemblage composition among locals), and gamma (γ, total diversity). We assessed the partitioning of taxonomic diversity of Ephemeroptera, Plecoptera and Trichoptera (EPT) and of functional feeding groups (FFG) in neotropical savanna (southeastern Brazilian cerrado) streams. To do so, we considered three diversity...
13 C spin-lattice relaxation measurements were performed on C 70 in deuterated chlorobenzene as a function of temperature and field strength to investigate the mechanistic nature of the relaxation process as well as to probe the rotational dynamics of this fullerene. Our measurements indicate that the chemical shift anisotropy (CSA) mechanism dominates the relaxation process up to a temperature...
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