In particular, primary resonances will occur when the forcing frequency is in the neighborhood of HBF, δn. Superharmonic and subharmonic resonances arise when the forcing frequency is in the vicinity of three times or one-third the HBF, that is, 3δn,13δn. The HBF δn cannot be ...
Negative associations would occur between scallops and their main competitors (segregated distributions), reflecting negative density-dependent relationships between major epifaunal suspension feeders. Highest scallop densities at Roscanvel were not associated with high predator densities, in contrast to the '...
原文链接One of the main attractions of the invented world of Middle-earth is that it is inhabited by a great variety of peoples, each one with their own history, language and culture. The three main beings of Tolkien’s cosmology, Elves, Dwarves and Men, are further divided into sub-categ...