Influence of strata-specific forest structural features on the regeneration of the evergreen broad-leaved forest in Tianmu Mountain

Long, Junsong; Mengping, Tang; Chen, Guangsheng

doi:10.1371/journal.pone.0247339

Cited by 4 publications

(3 citation statements)

References 36 publications

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“…Canopy stratification can provide an overview of successional dynamics [30] and competition that occurs within and between tree species in the forest for light [31]. In addition, information on canopy stratification can also be used to determine the amount of GPP (Gross Primary Productivity) produced by vegetation [32] and its effect on the regeneration of a species [33] [34]. The canopy stratum at the study site was stratum A to C (Figure 4), this is because the measurement of tree height at the study site was only done on trees at the growth stage of poles and trees.…”

Section: Stand Structurementioning

confidence: 99%

Flora composition and diversity in Mount Sibela Educational Forest, South Halmahera, North Maluku

Irmayanti

Ashari

Peniwidiyanti

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The Gunung Sibela Educational Forest is part of the nature reserve located on Bacan Island, North Maluku. Flora research in this location is still very limited, therefore this research was carried out as database support for area management. The purpose of this study was to describe the composition and diversity of flora in the Gunung Sibela Educational Forest. Data collection was carried out in block 332 by making 25 plots measuring 20 m × 20 m each. We recorded the number of individuals of each species, also height and diameter specifically for trees in each growth phase. There were 40 plant species from 25 families, dominated by Neolamarckia macrophylla in tree phase (71.95%), Celtis sp. in poles (41.87%) and saplings (22.55%), and Aglaia sp. in seedlings (33.02%). The diversity index was on moderate categories on trees (2.93), poles (2.93) and seedling (2.47), and high on saplings (3.05). The richness index was high on trees, poles, saplings (6.58, 5.18, 6.05 respectively), and moderate on seedlings (3.61). While the evenness index shows the number of individuals for trees, poles, saplings and seedlings tend to be evenly distributed (0.82, 0.93, 0.89, 0.89 respectively). Overall of this study is the composition of the vegetation in Gunung Sibela Educational Forest contains 40 species of plants and the diversity of species is classified as moderate, and evenness and species richness are classified as high. This indicates that the condition of the vegetation in the research location of the Gunung Sibela Educational Forest is in good condition.

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Section: Stand Structurementioning

confidence: 99%

Flora composition and diversity in Mount Sibela Educational Forest, South Halmahera, North Maluku

Irmayanti

Ashari

Peniwidiyanti

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…Forest vertical structure influences the distribution of resources and species biology (Long et al, 2021). This study categorises forests vertical layer into four strata: the undergrowth layer (3-5 m), sub-canopy (6-17 m), canopy (18-29 m) and the emergent forest layer (30 m and above).…”

Section: Foraging Forest Vertical Stratamentioning

confidence: 99%

A Comparison of Fijian Honeyeaters Abundance and Foraging Behaviour at USP Laucala Campus and Colo-I-Suva Forest Reserve

Siro¹,

Donald²,

Botleng³

et al. 2022

Preprint

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Forests are increasingly becoming fragmented and declining due to natural causes and human-induced activities. The latter creates an imbalance which put the survival of vulnerable species such as those of avifauna at risk. Honeyeaters are group of birds common in Fiji, with certain species strictly confined to specific habitats. This study is an attempt to compare the abundance and foraging behaviours of three sympatric honeyeaters namely Kikau wattled honeyeater, Orange-breasted myzomela and Giant honeyeater at two contradicted sites (USP campus and Colo-i-Suva Forest Reserve). The survey was carried out using point count method along three different transect routes of approximately 2 Km on each study sites . A higher species diversity and abundance was observed in Colo-i-Suva Forest Reserve than in USP campus. Kikau wattled honeyeater are more populated at USP campus due to adequate nectar-producing plants. Whereas both Orange-breasted myzomela (highly adaptable bird species) and Giant honeyeater (forest specifics) are frequent in Colo-i-Suva Forest Reserve. All exhibited a wider range of foraging techniques across forest vertical strata and plant species, except for Giant honeyeater (not observed). The statistical analysis showed that there is a significant difference (p < 0.05) in abundance as well as between the number of honeyeater species in both sites across the forest vertical strata. However, there is no significant difference in the foraging behaviour and the number of honeyeaters found foraging on diverse plant species (p > 0.05).

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“…This peculiarity makes the system of relations between plants of different forest phytocenoses especially complex. Trees that comprise the upper stratum of forest biotopes have multifaceted influence on the lower strata, including herb-shrub stratum (Long et al, 2021). One of the key effects trees have on the herbaceous stratum is change in the availability of sunlight (Zhang et al, 2022;Kriššáková et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Influence of tree-crown density on dominant plant species of the herb-shrub stratum in the zone of mixed forests

Kovalenko,

Kyrylchuk,

Klymenko

et al. 2023

Biosys. divers.

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Forest ecosystems are among the most complex and dynamic biological systems of our planet. They play an important role in sustaining biodiversity, regulating the climate, and preserving water resources. Furthermore, they serve as natural filters, improving the quality of soil and air, and also preventing erosive processes. Forests create unique conditions for life of various species of plants and animals, which contributes to maintenance of the natural biodiversity and supports the stability of the ecosystem. Likewise, forests are important for the carbon cycle. They absorb a large amount of carbon, thus hindering global warming. Therefore, forest ecosystems are of paramount ecological value and their preservation is crucial for a balanced functioning of the planet. Our studies were carried out in the forest ecosystems of the Desna-Starohutskyi National Park, which is in the Ukrainian Polissia. The materials and methods of the study included systematic collection of the data on density of tree crowns, and also records of diversity of plants of the herb-shrub stratum in the chosen forest areas. Those data were analyzed using statistical methods. The study results revealed that the crown density has a significant effect on diversity of herb-shrub plants in the lower forest strata. Increase in crown density correlated with decrease in the light availability in the herb-shrub stratum. Change in the crown density towards increase significantly altered the conditions for competition between herbaceous and shrub species. Decrease in light availability led to shift in the competition ratio between the species, promoting dominance of more shade-loving species. Increase in crown density, which often reached 100%, made the competition more severe, especially for key resources (light, water, and nutrients). Because of this, species diversity in the herb-shrub stratum of the forest ecosystems was observed to decrease, and less adapted species were extruded. In general, change in tree-crown density in the forest ecosystem had a significant effect on the dynamics of herbaceous and shrub species, changing competitive relations and the structure of those plant communities. The results we obtained expand the knowledge about interactions between crown density and the structure of herb-shrub stratum, which gives perspectives for more efficient management of forest resources, and can also improve scientific identification and implementation of measures for protection of forest ecosystems.

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Influence of strata-specific forest structural features on the regeneration of the evergreen broad-leaved forest in Tianmu Mountain

Cited by 4 publications

References 36 publications

Flora composition and diversity in Mount Sibela Educational Forest, South Halmahera, North Maluku

Flora composition and diversity in Mount Sibela Educational Forest, South Halmahera, North Maluku

A Comparison of Fijian Honeyeaters Abundance and Foraging Behaviour at USP Laucala Campus and Colo-I-Suva Forest Reserve

Influence of tree-crown density on dominant plant species of the herb-shrub stratum in the zone of mixed forests

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