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http://hdl.handle.net/10174/8616
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Title: | Self-affinity, self-similarity and disturbance of soil seed banks by tillage |
Authors: | Dias, L.S. |
Keywords: | seed size seed shape fractal soil seed bank |
Issue Date: | 2013 |
Citation: | Dias LS 2013. Self-affinity, self-similarity and disturbance of soil seed banks by tillage. Plants 2: 455-472 |
Abstract: | Soil seed banks were sampled in undisturbed soil and after soil had been disturbed by tillage (tine, harrow or plough). Seeds were sorted by size and shape, and counted. Size-number distributions were fitted by power law equations that allowed the identification of self-similarity and self-affinity. Self-affinity and thus non-random size-number distribution prevailed in undisturbed soil. Self-similarity and thus randomness of size-number distribution prevailed after tillage regardless of the intensity of disturbance imposed by cultivation. The values of fractal dimensions before and after tillage were low, suggesting that short-term, short-range factors govern size-number distribution of soil seed banks. |
URI: | http://www.mdpi.com/2223-7747/2/3/455 http://hdl.handle.net/10174/8616 |
Type: | article |
Appears in Collections: | BIO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
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