Green Renaissance: a solution for the restoration of riparian forests through the seed bank
DOI:
https://doi.org/10.37002/biodiversidadebrasileira.v14i4.2560Keywords:
Wetlands , natural disturbances, natural regeneration, climate changesAbstract
Ecological restoration is essential to maintain biodiversity in the face of global climate change. The seed bank is the main source of maintaining the genetic variability of populations and communities. An accurate assessment of seeds in the soil after an extreme seasonal event in wetlands provides answers regarding the potential for natural regeneration. In this way, we aim to investigate the use of the soil seed banks as a tool for assessing the degradation of riparian
forests and their capacity for regeneration after fire and flood events. The seed bank was collected in two periods: post-fire and post-flood, and the soil was evaluated
through seedling emergence and direct seed counting. The species were classified according to their habit, life form, dispersal syndrome, type of propagation, and
life cycle. The number of trees and shrubs seeds was low; terrestrial and perennial herbs and grasses have higher CWM values; species with basal regrowth stand out from the others. Cecropia pachystachya is the main representative species within the seed bank (higher abundance), with zoochory being the main dispersal,
followed by hydrochory and autochory. It can be observed that the seed bank has a species diversity that does not use seeds as the main means of regenerating this riparian forest. The species present are subject to some type of vegetative propagation and can remain in the environment via regrowth.
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