Secondary forest floristic composition, structure, and spatial pattern in subtropical China

Xiang, Wenhua; Liu, Shaohui; Lei, Xiangdong; Frank, Shane C.; Tian, Di; Wang, Guangjun; Deng, Xiaomin

doi:10.1007/s10310-011-0329-7

Cited by 26 publications

(22 citation statements)

References 38 publications

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“…The 1 ha forest investigated in this study had 4797 stems (dbh ≥ 1cm) from 73 species of 55 genera and 38 families, which supports reports that subtropical evergreen broadleaved forest contained a high diversity of woody species [1,6,23]. Current floristic composition could yield some insights into the past successional process [37].…”

Section: Stand Characteristics and Regenerationsupporting

confidence: 64%

“…The reversed J-shape dbh distribution and distinct vertical layers in the forest of this study exhibited a typical feature of uneven-aged and multi-species forests [23,37]. A large number of saplings (2996 individuals with dbh between 1 and 4 cm) indicated that the forest had a high regeneration capacity.…”

Section: Stand Characteristics and Regenerationmentioning

confidence: 85%

“…Stems originating from the same base were mapped individually when the main stem bifurcated below 1.3 m. Stems whose roots were outside the plot but whose crowns were within the plot boundary were recorded to reduce potential bias introduced by edge effects [29]. For each stem, coordinates (X and Y), dbh, total height (H), height between the lowest live branch and the ground surface (Hl), and two direction crown diameter (Cw) were measured [23].…”

Section: Plot Installation and Investigationmentioning

confidence: 99%

“…The favorable climate results in diverse evergreen broadleaved forests [12]. However, primary evergreen broadleaved forests had almost disappeared until now and their total area was less than 5% of the original area as a result of clearance for plantations and the conversion into secondary vegetation, due to sustained human disturbance and a timber-centric forestry policy over past decades [23]. Recently, China has changed its forestry policy from timber production to ecosystem services [24].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Topographic and Soil Factors on Woody Species Assembly in a Chinese Subtropical Evergreen Broadleaved Forest

Zhao

Xiang

et al. 2015

Forests

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Evergreen broadleaved forests in subtropical China contain a complicated structure of diverse species. The impact of topographic and soil factors on the assembly of woody species in the forest has been poorly understood. We used Ripley's K(t) function to analyze the spatial patterns and associations of dominant species and residual analysis (RDA) to quantify the contribution of topography and soil to species assembly. The 1 ha plot investigated had 4797 stems with a diameter at breast height (dbh) larger than 1 cm that belong to 73 species, 55 genera, and 38 families. All stems of the entire forest and four late successional species exhibited a reversed J shape for dbh distribution, while two early successional species showed a unimodal shape. Aggregation was the major spatial pattern for entire forests and dominant species across vertical layers. Spatial associations between inter-and intra-species were mostly independent. Topographic and soil factors explained 28.1% of species assembly. The forest was close to late succession and showed the characteristics of diverse woody species, high regeneration capacity, and aggregated spatial patterns. Topographic and soil factors affected species assembly, but together they could only explain a small part of total variance.

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Section: Stand Characteristics and Regenerationsupporting

confidence: 64%

Section: Stand Characteristics and Regenerationmentioning

confidence: 85%

Section: Plot Installation and Investigationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Topographic and Soil Factors on Woody Species Assembly in a Chinese Subtropical Evergreen Broadleaved Forest

Zhao

Xiang

et al. 2015

Forests

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“…Deforestation at the hands of the local population, essentially in arid and semiarid zones, has led to the deterioration of these forests in the Dominican Republic and Haiti, similar to the situation in Ethiopia [3]. As a result the emergence of secondary plant communities with a similar structure to those found in subtropical areas of China [4]; however when deforestation occurs in the cloud forest, it gives rise to a "calimetal or fern community" of Gleichenia bifida (Willd.) Spreng.…”

Section: Introductionmentioning

confidence: 98%

Forests and Landscapes of Dominican Republic

Cano-Ortíz¹,

Musarella

Fuentes

et al. 2015

BJAST

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Aims: This, in conjunction with the diversity of the substrates and the fact that the island is home to the highest mountains in the Caribbean and with a high rate of endemic species, allows them to be differentiated into three major groups -dry forest, cloud forest and the transition between dry and cloud forests. The forests in the Dominican Republic grow in a tropical climate with ombrotypes ranging from arid to humid-hyperhumid due to the moisture-laden Atlantic winds; and infra-, thermo-, meso-and supratropical thermotypes. Establish the diversity, ecology and forest types in Dominican Republic. Methods:We identified all species through field surveys and comparative analyzes of how forest types, structure, diversity and ecology. Cano-Ortiz et al.; BJAST, 9(3): xxx-xxx, 2015; Article no.BJAST.2015.263 232 Results: We consided these forests to be endemic to the island of Hispaniola, as the dry forest presents 81 endemic species, of which 10 are trees, 65 shrubs, 5 creepers, and 1 herbaceous species; while the cloud forest has 19 trees, 20 shrubs, 8 creepers, 4 epiphytes and 6 herbaceous species. Conclusions: We highlight the absence of endemic epiphytes in the dry forests, which are in a poor state of conservation and subject to greater human pressure than the cloud forest. Original Research Article

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Tree growth traits and social status affect the wood density of pioneer species in secondary subtropical forest

Chen

Xiang

et al. 2017

Ecology and Evolution

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Wood density (WD) is not only an important parameter to estimate aboveground biomass but also an indicator of timber quality and plant adaptation strategies to stressful conditions (i.e., windthrow, pests, and pathogens). This study had three objectives:(1) to compare WD among seven subtropical tree species; (2) to determine how tree growth traits may influence possible differences in WD between the pioneer and shade-tolerant species; and (3) to examine whether or not WD differs by tree social status (dominant vs. suppressed trees) within species. To do this, 70 trees were destructively harvested. From each tree, disks at different stem heights were obtained and subjected to a method of stem analysis to measure whole tree level WD. The results showed that WD differed significantly among the seven species (p < .001).Their average WD was 0.537 g/cm 3 , ranging from 0.409 g/cm 3 for Choerospondias axillaris to 0.691 g/cm 3 for Cyclobalanopsis glauca. The average WD of the four pioneer species (0.497 ± 0.13 g/cm 3 ) was significantly lower (p < .01) than that of the three shade-tolerant species (0.589 ± 0.12 g/cm 3 ). The WD of the pioneers had a significant positive correlation with their stem diameter at breast height (DBH), tree height (H), and tree age, but WD had a significant negative correlation with relative growth rate (RGR). In contrast, the WD of the shade-tolerant tree species had no significant relationships with DBH, H, tree age, or RGR. The dominant trees of the pioneer species had a higher WD than the suppressed trees, whereas the shadetolerant species had a lower WD for dominant trees than the suppressed trees.However, the differences in WD between dominant and suppressed trees were not significant. Taken together, the results suggest that classifying species into pioneer and shade-tolerant groups to examine the effects of tree growth traits and social status could improve our understanding of intra-and interspecific variation in WD among subtropical tree species. K E Y W O R D Scompetitive ability, functional traits, relative growth rate, shade tolerance, tree social status

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Secondary forest floristic composition, structure, and spatial pattern in subtropical China

Cited by 26 publications

References 38 publications

Effects of Topographic and Soil Factors on Woody Species Assembly in a Chinese Subtropical Evergreen Broadleaved Forest

Effects of Topographic and Soil Factors on Woody Species Assembly in a Chinese Subtropical Evergreen Broadleaved Forest

Forests and Landscapes of Dominican Republic

Tree growth traits and social status affect the wood density of pioneer species in secondary subtropical forest

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