Soil seed burial and competition with surrounding plants determine the emergence and development of seedling of an endangered species Horsfieldia hainanensis Merr. in China.

ABSTRACT: Three well-conserved Horsfieldia hainanensis Merr. populations were used to investigate their soil seed bank and seedling regeneration characteristics and their relationship to environmental factors. The results showed that the seed reserves were low in the H. hainanensis soil seed bank (16.93~24.74 seed/m²). The distribution pattern for the seeds and seedlings in the H. hainanensis populations was aggregated, and they were mainly found around 2-3 m from the mother plant. The seeds in the litter layer and the 5-10 cm soil layer showed no vigor, and only 25.7%~33.3% of the total seeds in the 0-5 cm soil layer were viable affected by the high temperature and humidity, the animals' eating and poisoning. Affected by the height and coverage of the surrounding herbaceous layer and shr

SUBMITTER: Liu X 

PROVIDER: S-EPMC6884613 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature