Type of container and Trichoderma spp. inoculation enhance the performance of tree species in enrichment planting

Subtropical natural forests are unique due to their ecological and economic functions. However, most of these forests are highly degraded, which impairs the ability to provide ecological and economic benefits. Enrichment planting is an important approach to restore natural degraded forests. Species arrangement is of great importance to inform enrichment planting. Species association refers to the interrelationship of different species occupying a habitat and is a static description of the organic connection formed by the interaction of species. Species association, therefore, provides a scientific basis for species arrangement in enrichment planting. Additionally, because an old-growth forest is a climax community that has attained great age without significant disturbance, the species association in an old-growth forest can provide valuable information on the reference conditions for forest management. In this study, the species association between dominant tree species (including saplings and adult trees) was investigated in an old-growth forest in the Gutianshan National Nature Reserve in Zhejiang province in subtropical China. The objective of the study was to inform species arrangement for enrichment planting. The result showed that the overall species association exhibited a significant net positive association, indicating a dynamic balance of stable structure and species composition in the old-growth forest. Additionally, the pairwise species association was examined using the χ2 test, the Dice index, and Spearman’s rank correlation coefficient; significant positive and negative pairwise species associations were detected. Based on the species association and the light requirements of the tree species, an optimal species arrangement was determined to support enrichment planting for restoring natural degraded forests. It is expected that the results of this study will contribute to the restoration of natural degraded forests in subtropical China.

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Restoring mature-phase forest tree species through enrichment planting in New Zealand’s lowland landscapes

New Zealand Journal of Ecology ◽

10.20417/nzjecol.44.10 ◽

2020 ◽

Vol 44 (1) ◽

Cited By ~ 1

Author(s):

Adam Forbes ◽

◽

Kiri Wallace ◽

Hannah Buckley ◽

Brad Case ◽

...

Keyword(s):

Tree Species ◽

Forest Tree ◽

Forest Tree Species ◽

Mature Phase ◽

Enrichment Planting

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A 17 Year Successional Enrichment Plantation of Tree Recruitment and Restoration in an African Tropical Forest

10.21203/rs.3.rs-138855/v2 ◽

2021 ◽

Author(s):

Bernard Eromosele Omomoh ◽

Gbenga Festus Akomolafe ◽

Leah Spencer Brown ◽

VAJ Adekunle

Keyword(s):

Species Richness ◽

Statistical Analysis ◽

Tropical Forest ◽

Tree Species ◽

Forest Regeneration ◽

Forest Trees ◽

Growth Forms ◽

Forest Reserve ◽

Tree Species Composition ◽

Enrichment Planting

Abstract Key message: The Enrichment Plantation of Akure Forest Reserve is one of the forests currently experiencing a 17-year-long post-disturbance following deforestation and fragmentation in Nigeria. Context: To better understand the contribution of enrichment planting on forest regeneration and restoration, when the Enrichment Plantation after 17 years of post-disturbance was examined. Aims: We studied the recruitment drive of aboveground and undergrowth stands of an Enrichment Plantation in the tropical forest reserve. We assess the trees diversity, species compositions, species richness, and growth forms of the vegetations. Methods: A total of 3(50m x50m) plots were sampled. A total of 47 aboveground tree species and 45 undergrowth stands from Enrichment Plantation were identified. A statistical analysis were used to quantified the data obtained from this resultsResults: The result shows an increase in the diversity and an even distribution of the species of the aboveground forest trees, compared to the undergrowth stands. Conversely, the aboveground forest trees have lower species richness as compared to the level of undergrowth stands. The sapling density was significantly higher than the aboveground tree of the. It was also observed that the aboveground forest trees and undergrowth stands are somewhat similar in species compositions, which implies that sapling recruitment is a key determinant of the tree species composition of the forest.Conclusion: It is then concluded that the method adopted for restoration encouraged species diversity in this successional forest among the aboveground trees species and undergrowth.

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