Question on Thompson's seed bank database
Hello everybody,
maybe some of you know the seedbank database compiled by Thompson et al (1997). I have here the electronic version of the database but at the moment not the accompanying book. My problem is: there are 4 categories for seed longevity [1 - 4] but in all publications I have at hand there are only three mentioned (transient, short term & long term persistent). So, what is category 4? In one publication a subdivision of the "transient" category is mentioned: a) germinating at once and b) germinating at the beginning of the next growing season. So maybe category 4 can be explained this way? Any help very much appreciated Judith |
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