Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Wang, Shunzhong; Qi, Guang; Knapp, Benjamin O.

doi:10.3390/f10100895

Cited by 10 publications

(4 citation statements)

References 65 publications

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“…The low dominance in the RGF must be related to the high slope found at the site. Very steep areas do not support very large trees due to the instability of the terrain (Gonçalves et al, 2018;Wang et al, 2019). In these areas of greater slope, the substrate develops on shallow soil.…”

Section: Discussionmentioning

confidence: 99%

Florística, estrutura e diversidade das comunidades lenhosas de duas Matas de Galeria no Distrito Federal, Brasil

Silveira,

Souza,

Haidar

et al. 2024

Ciênc. Florest.

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Matas de Galeria são faixas estreitas de florestas tropicais que ocorrem ao longo dos cursos d’água na região do Brasil central e são de extrema relevância para a conservação da biodiversidade, manutenção de processos ecológicos e regulação hídrica. Com o objetivo de caracterizar a vegetação lenhosa em dois trechos de matas de galeria no Distrito Federal, foi realizada amostragem em 1,0 ha, sendo 50 parcelas de 10 m x 10 m em cada trecho, onde foram mensuradas todas as árvores com DAP ≥ 5 cm. Para cada mata foram realizadas análises fitossociológicas, investigados os padrões de distribuição diamétrica e hipsométrica e analisados os índices de diversidade. Foram mensurados 1.571 indivíduos lenhosos, pertencentes a 150 espécies, dentre as quais 94 foram registradas na mata do Ribeirão (MR) e 96 na mata do Pitoco (MP). Apenas 40 espécies (26,7%) ocorreram em ambas as matas. O índice de similaridade Chao-Sorensen foi igual a 0,478, evidenciando a elevada diversidade Beta destas formações. A riqueza de espécies das duas matas está acima da média observada em outras matas de galeria no Brasil, com índice de Diversidade de Shannon (H’) igual a 3,86 para a MR e 3,96 para a MP, e a equabilidade de Pielou (J’) igual a 0,85 e 0,87, respectivamente. A distribuição diamétrica de ambas as matas apresentou padrão de J invertido, sugerindo comunidades com regeneração satisfatória. Diferenças florísticas e estruturais entre e dentro das matas, bem como a elevada riqueza encontrada, sugerem grande heterogeneidade biológica, em resposta às distintas condições ambientais dentro de cada trecho, o que reforça a importância da manutenção de corredores ecológicos para facilitar o fluxo gênico e a dispersão de espécies entre as diferentes áreas de matas de galeria.

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Section: Discussionmentioning

confidence: 99%

Florística, estrutura e diversidade das comunidades lenhosas de duas Matas de Galeria no Distrito Federal, Brasil

Silveira,

Souza,

Haidar

et al. 2024

Ciênc. Florest.

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“…This study was conducted in the built-up area of Beijing, China (40 • 00 N, 116 • 20 E). The study area located in the northeast of the Huabei Plain in north China is characterized by warm temperate deciduous broad-leaved forests [28]. Beijing has a temperate, humid, monsoonal continental climate characterized by hot and rainy summers, cold and dry winters, and short spring and autumn seasons [6].…”

Section: Study Sitesmentioning

confidence: 99%

Spatial Heterogeneity of Plant Diversity within and between Neighborhoods and Its Implications for a Plant Diversity Survey in Urban Areas

Gong

Cui

et al. 2021

Forests

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The spatial heterogeneity of plant diversity at the neighborhood scale has less been understood, although it is very important for the planning and management of neighborhood landscape. In this case study of Beijing, we conducted intensive investigations of the plant diversity in different neighborhoods along a rural–urban gradient. The results showed that the mean numbers of plant species per neighborhood were 30.5 for trees, 18.8 for shrubs, and 31.9 for herbs, respectively. There were significant logarithmic relationships between the numbers of species and patch area, indicating that larger patches within neighborhoods could harbor more plant species. Hierarchical linear modeling showed that the variations in plant diversity within neighborhoods were higher than those between neighborhoods. The number of species increased logistically with both the number of patches within neighborhoods and the number of neighborhoods, suggesting that it is important to sample a sufficient number of patches within neighborhoods, as well as a sufficient number of neighborhoods in order to sample 90% of the plant species during the investigation of plant diversity in urban neighborhoods. So the hierarchical design of sampling should be recommended for investigating plant diversity in urban areas.

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“…The effect of topography on vegetation carbon density in Jiangxi province is works in the following two ways: (1) It affects soil properties by restricting water and heat conditions [62], which in turn affect species composition, forest structure and function, and ultimately lead to differences in forest vegetation carbon density [14,63]. Correlation analysis showed that there were extreme or significant correlations between terrain factors (altitude and slope) and forest structure factors, which indirectly proved the effect mechanism of topography on FVCD for Jiangxi province (Table 12).…”

Section: Effects Of Topography On Vegetation Carbon Densitymentioning

confidence: 99%

Effects of Stand Structure and Topography on Forest Vegetation Carbon Density in Jiangxi Province

Changshun

Deng

Liu

et al. 2021

Forests

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Stand structure and topography are important factors affecting forest vegetation carbon density (FVCD). Revealing the interaction mechanisms between stand structure and topography on FVCD is of great significance for enhancing forest vegetation carbon storage and achieving regional carbon neutrality. Based on stratified sampling, systematic distribution and forest continuous inventory sample plots in Jiangxi province, the variation characteristics of FVCD and its correlations with stand structure and topographic factors were studied. The results are as follows: (1) The average FVCD in Jiangxi province was 44.23 Mg/ha, which was dominated by the carbon density of the arbor layer, accounting for about 81.39% of the total forest—far lower than the average level of global FVCD, which proved that the forest in Jiangxi province was dominated by middle-age and young forests with low carbon density, and also showed that the potential for forest vegetation carbon storage in Jiangxi province was huge. (2) Except for vegetation carbon densities of shrub and herb layers, the vegetation carbon densities of other forest layers in Jiangxi province were significantly different among different forest types. Volume per unit area was the most important factor affecting the vegetation carbon densities of arbor and total forest, and vegetation carbon density–volume models of the main forests were built for vegetation carbon density calculation in Jiangxi province. (3) The vegetation carbon densities of arbor layer, snag and log layer, and total forest increased significantly with increases in elevation and slope. Except for the shrub layer and herb layer, the vegetation carbon densities of the other layers and the total forest had extremely significant or significant differences between slope position gradients—indicating that the effect of topography on FVCD in Jiangxi province was significant, mainly through influencing of forest distribution and human disturbance intensity.

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Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Cited by 10 publications

References 65 publications

Florística, estrutura e diversidade das comunidades lenhosas de duas Matas de Galeria no Distrito Federal, Brasil

Florística, estrutura e diversidade das comunidades lenhosas de duas Matas de Galeria no Distrito Federal, Brasil

Spatial Heterogeneity of Plant Diversity within and between Neighborhoods and Its Implications for a Plant Diversity Survey in Urban Areas

Effects of Stand Structure and Topography on Forest Vegetation Carbon Density in Jiangxi Province

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