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pro vyhledávání: '"R. H. C. Bonser"'
Publikováno v:
Functional Ecology. 13:102-105
1. An instrumented perch was used to measure the reaction forces during take-off of starlings from perches of three thicknesses. There was no significant decrease in reaction force with decreasing perch thickness; however, over the range of perch siz
Autor:
A. R. Ennos, R. H. C. Bonser
Publikováno v:
Functional Ecology. 12:971-974
1. It has long been known that wood in trees is under internally generated tensile or compressive forces, known as ‘prestrains’. These prestrains are thought to limit compressive loading at points of high strain within the tree to counteract the