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Seed plants are the leaders of terrestrial ecosystems, and the trade-off is the main ecological strategy for adapting to complex terrestrial environments.
seeds have multiple functions such as carrying genetic information, diffusion, planting, and resistance to adversity, and as limited resources are used for one function, the resources available for other functions will be reduced.
therefore, the seed should be weighed against each function.
, the Li Debah Research Group of the Kunming Institute of Botany Of the Chinese Academy of Sciences and the Gao Lianming Research Group, in collaboration with Kevin Burgess, a professor at Columbus State University in the United States, analyzed the functionality of the major seeds of 1,119 species (393 woodbooks, 726 herbs) in the mountainous hot spots of southwest China.
studies have found that the seed size is significantly positively correlated with the time it takes for seed germination, and the number of seeds is significantly negative, excluding the effects of plant system development and growth type, these correlations are still significant (Figure 1), and the above two correlations are systematically developed discrete at the eye (Figure 2) and the branch level.
these results show that seed plants are a trade-off between producing highly fit seedlings and quickly occupying new habitats.
the study confirms the existence of seed functional trade-offs on a regional scale and provides an explanatory dimension for the coexistence and diversity of mountain species in southwest China.
related research in the eitrade-offs and the phylogenetic of the sydds in the a'a'a-listed hotspot of the Mountains of The Mountains of China, published in Ecology and Evolution.
research work has been supported by the Southwest China Wildlife Seed Resource Bank Conservation Center, the National Key Basic Research and Development Program Project, the Yunnan Science and Technology Talent Training Program and the Yunnan Applied Basic Research Foundation.
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