Plant-canopy Effects on Natural Regeneration in Sites Under Restoration: Do Tree Species Matter?

Lameira, Lohana Lopes; Ferreira, Fernanda Cunha Gonçalves; Filardi, R. A. E.; Queiroz, Jarbas Marçal; Sansevero, Jerônimo Boelsums Barreto

doi:10.1590/2179-8087.039818

Cited by 10 publications

(4 citation statements)

References 36 publications

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“…Animal‐dispersed species attract fauna that will bring other animal‐dispersed seeds to restoration sites, creating a positive feedback that contributes to forest persistence (Lameira et al 2019). Most of the 24 species surveyed are already producing fruits, therefore increased abundance and richness of regenerating seedlings were expected under animal‐dispersed trees, such as Trema micrantha (nettle tree).…”

Section: Discussionmentioning

confidence: 99%

Large canopy and animal‐dispersed species facilitate natural regeneration in tropical forest restoration

Mendes

César

Uezu

et al. 2021

Restoration Ecology

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Realizing the benefits of forest restoration requires that these ecosystems be maintained after the senescence of planted trees through facilitation of natural regeneration. We analyzed the effect of tree canopy cover, dispersal syndrome, deciduousness, and taxon in facilitating natural regeneration in tropical forest restoration planting. Canopy cover had additive positive effect on natural regeneration when combined with animal dispersal or evergreen trees. Animal dispersal had a positive effect on facilitating natural regeneration abundance, while evergreen species had a positive effect on natural regeneration richness only. Although variation within and among species was high, restoration practitioners could consider using species with these traits to facilitate natural regeneration and hence development of restoration plantings.

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Section: Discussionmentioning

confidence: 99%

Large canopy and animal‐dispersed species facilitate natural regeneration in tropical forest restoration

Mendes

César

Uezu

et al. 2021

Restoration Ecology

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“…Based on these results, I can suggest the maintenance of the Pinus radiata stand in the present conditions in the studied area. This nursery effect of the canopy of P. radiata can be seen at different levels (increases in soil humidity, organic matter, provision of benign habitats, or more favorable conditions for germination [28][29][30]), but management will be necessary in order to enhance the recovery of the natural laurel forest, as is revealed in the studied Ilex canariensis as an indicator species and the low development of leaves or poor growth after management. Canopy opening over the levels analyzed in this study will be required in order to succeed in reverting an exotic canopy to the natural laurel forest.…”

Section: Discussionmentioning

confidence: 99%

Asexual Regeneration Response of Ilex canariensis Poir. to Management of the Canopy of Pinus radiata D.Don

Arévalo

2020

Ecologies

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Exotic afforestation can provide suitable conditions for native shade-tolerant species restoration without threatening native forests. This study analyzes the impact of different thinning intensities of the canopy of an exotic Pinus radiata stand on the asexual regeneration response of Ilex canariensis, a native laurel forest species in the Canary Islands, Spain. The results provide useful indications for how to manage P. radiata stands to promote recovery of native plant communities. For different stand treatments were selected: stand clear cut, low intensity thinning (10–15%), high intensity thinning (25%), and a control. The stand clear cut management revealed Ilex canariensis individuals with a higher number of sprouts and more leaf cover; however, the height of these sprouts two years after the cut did not reach the values of individuals prior to this management. Consequently, the vitality index following clear cut management is significantly lower with respect to the other treatments. Thinning management is shown not to be so useful to promote the growth and vitality of Ilex canariensis individuals. The results suggest that thinning over 50% could be more appropriate in the case of Pinus radiata, allowing resprouting of Ilex canariensis in the understory and improvement in the vitality index.

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“…(PG) (n = 9) (Appendix 1, Supplementary material). We chose trees with a circumference at breast height greater than 30 cm to ensure that we measured the species-specific effects of trees on ant colonies, reducing the possibility of neighboring trees effects (Lameira et al, 2019). To ensure that most of the litter was composed of material from the focal tree, all ant samples were collected at a distance of 1m from the tree trunk (Donoso et al, 2010).…”

Section: Experimental Designmentioning

confidence: 99%

Revisiting the ideas of trees as templates and the competition paradigm in pairwise analyses of ground-dwelling ant species occurrences in a tropical forest

Conceição-Neto

França

Feitosa

et al. 2021

Rev. Bras. entomol.

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A challenge for studies on the organization of ant assemblages in forest ecosystems is to disentangle the causal effects of species occurrences. The structural and functional attributes of trees can act as environmental filters for ground-dwelling ant species influencing resource availability and the microclimate. The biotic interactions, especially competition, can work together with plant characteristics influencing ant species occurrences. To test the importance of tree traits and species interactions on co-occurrence patterns of ants, we collected grounddwelling ants, with pitfalls and litter sampling, beneath the canopies of four tree species during the rainy and dry seasons in a restored forest. We used five predictors (tree identity, crown size, trunk circumference, litter depth, and leaves density) to model the presence probabilities of ants . Hence, we applied habitat constrained null models in pairwise analyses to disentangle the causal effects of ants co-occurrences. The random pattern predominated in the assemblages, making up 96% of all possible species pairs combinations. Overall, 50% of the species pairs that showed nonrandomness in the ant occurrences were interpreted as resulting from environmental filters, 36% as negative associations and 14% as positive associations. Additionally, we found that the effects of season and the sampling technique on the ant assemblages were also important. We suggest that the ideas of the trees as templates and the paradigm of competition are both useful for understanding pairwise occurrence patterns in ant assemblages, and can be tested using tree traits as predictors in ant species distribution models for running constrained null models.

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Plant-canopy Effects on Natural Regeneration in Sites Under Restoration: Do Tree Species Matter?

Cited by 10 publications

References 36 publications

Large canopy and animal‐dispersed species facilitate natural regeneration in tropical forest restoration

Large canopy and animal‐dispersed species facilitate natural regeneration in tropical forest restoration

Asexual Regeneration Response of Ilex canariensis Poir. to Management of the Canopy of Pinus radiata D.Don

Revisiting the ideas of trees as templates and the competition paradigm in pairwise analyses of ground-dwelling ant species occurrences in a tropical forest

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