Sheng‐Hsin Su
A5055554048- Ecology and Vegetation Dynamics Studies
- Forest ecology and management
- Plant and animal studies
- Species Distribution and Climate Change
- Wildlife Ecology and Conservation
- Forest Management and Policy
- Ecosystem dynamics and resilience
- Plant Water Relations and Carbon Dynamics
- Animal Ecology and Behavior Studies
- Land Use and Ecosystem Services
- Fire effects on ecosystems
- Botany and Plant Ecology Studies
- Plant Ecology and Soil Science
- Plant and Fungal Species Descriptions
- Forest, Soil, and Plant Ecology in China
- Forest Ecology and Biodiversity Studies
- Botany, Ecology, and Taxonomy Studies
- Rangeland and Wildlife Management
- Plant Pathogens and Fungal Diseases
- Tree Root and Stability Studies
Taiwan Forestry Research Institute
2016-2025
National Taiwan University
2020-2021
Abstract Aim To examine the contribution of large‐diameter trees to biomass, stand structure, and species richness across forest biomes. Location Global. Time period Early 21st century. Major taxa studied Woody plants. Methods We examined large density, biomass using a global network 48 (from 2 60 ha) plots representing 5,601,473 stems 9,298 210 plant families. This was assessed three metrics: largest 1% ≥ 1 cm diameter at breast height (DBH), all DBH, those rank‐ordered that cumulatively...
Summary The relationship between species richness and ecosystem function, as measured by productivity or biomass, is of long‐standing theoretical practical interest in ecology. This especially true for forests, which represent a majority global biodiversity. Here, we conduct an analysis relationships tree richness, biomass 25 forest plots area 8–50 ha from across the world. data were collected using standardized protocols, obviating need to correct methodological differences that plague many...
The search for simple principles that underlie the spatial structure and dynamics of plant communities is a long-standing challenge in ecology1–6. In particular, relationship between species coexistence distribution plants challenging to resolve species-rich communities7–9. Here we present comprehensive analysis patterns 720 tree 21 large forest plots their consequences coexistence. We show with low abundance tend be more spatially aggregated than abundant species. Moreover, there...
ABSTRACT Aims With the aim of understanding why some world's forests exhibit higher tree beta diversity values than others, we asked: (1) what is contribution environmentally related variation versus pure spatial and local stochastic to assessed at forest plot scale; (2) resolution are these beta‐diversity components more apparent; (3) determines in observed across regions/continents? Location World‐wide. Methods We compiled an unprecedented data set 10 large‐scale stem‐mapping plots...
Long-term surveys of entire communities species are needed to measure fluctuations in natural populations and elucidate the mechanisms driving population dynamics community assembly. We analysed changes abundance over 4000 tree 12 forests across world periods 6-28 years. Abundance all large consistent with models which temporal environmental variance plays a central role. At some sites we identify clear drivers, such as fire drought, that could underlie these patterns, but at other there is...
Summary An important goal in plant community ecology is to understand how species traits determine demographic performance. Several functional have been shown correlate with growth and mortality rates trees, but less known about the relationships between change tree size. We examined associations of across 43 Fushan 25‐ha subtropical rain forest plot northern Taiwan. estimated 95th percentile maximum stem diameter, wood density six leaf (leaf area, specific thickness, succulence, mass‐based...
Neutral and niche theories give contrasting explanations for the maintenance of tropical tree species diversity. Both have some empirical support, but methods to disentangle their effects not yet been developed. We applied a statistical measure spatial structure data from 14 large forest plots test prediction theory that is incompatible with neutral theory: in heterogeneous environments should separate out space according preferences. chose across range topographic heterogeneity, tested...
Summary Tree size shapes forest carbon dynamics and determines how trees interact with their environment, including a changing climate. Here, we conduct the first global analysis of among‐site differences in aboveground biomass stocks fluxes are distributed tree size. We analyzed repeat censuses from 25 large‐scale (4–52 ha) plots spanning broad climatic range over five continents to characterize biomass, woody productivity, mortality vary diameter. examined median, dispersion, skewness...
Niche differentiation has been proposed as an explanation for rarity in species assemblages. To test this hypothesis requires quantifying the ecological similarity of species. This can potentially be estimated by using phylogenetic relatedness. In study, we predicted that if niche does explain co-occurrence rare and common species, then should contribute greatly to overall community diversity (PD), abundance will have signal, phylogenetically dissimilar. We tested these predictions...
Abstract Ecology cannot yet fully explain why so many tree species coexist in natural communities such as tropical forests. A major difficulty is linking individual-level processes to community dynamics. We propose a combination of spatial data, statistics and dynamical theory reveal the relationship between patterns population-level interaction coefficients their consequences for multispecies dynamics coexistence. Here we show that emerging have, broad range circumstances, simpler structure...
Summary Individual performance is a function of an individual's traits and its environment. This function, known as environmental filter, varies in space affects community composition. However, filters are poorly characterized because dispersal patterns can obscure effects, few studies utilize longitudinal data linking individual to We model the effects on demographic rates nearly all tree species (99) 25‐ha subtropical rain forest plot. develop hierarchical Bayesian filtering, drawing...
As cyclonic wind storms (hurricanes and typhoons) increase in frequency intensity with climate change, it is important to understand their effects on the populations communities of tropical trees they impact. Using tree demographic data from four large, forest dynamics plots that differ storm frequency, we compare population community dynamics. Additionally, assess effect three functional traits, specific leaf area, wood density, height dynamic assemblages. Mortality, growth recruitment...
Recent theory predicts that stochastic dilution effects may result in species-rich communities with statistically independent species spatial distributions, even if the underlying ecological processes structuring community are driven by deterministic niche differences. Stochastic is a consequence of geometry biodiversity where identities nearest neighbors individuals given largely unpredictable. Under such circumstances, outcome interactions vary greatly among species. Consequently,...
Abstract Symbiotic nitrogen (N)‐fixing trees can provide large quantities of new N to ecosystems, but only if they are sufficiently abundant. The overall abundance and latitudinal distributions N‐fixing well characterised in the Americas, less outside Americas. Here, we a network forest plots spanning five continents, ~5,000 tree species ~4 million trees. majority (86%) were America or Asia. In addition, examined whether observed pattern was correlated with mean annual temperature...
When Darwin visited the Galapagos archipelago, he observed that, in spite of islands' physical similarity, members species that had dispersed to them recently were beginning diverge from each other. He postulated these divergences must have resulted primarily interactions with sets other also diverged across otherwise similar islands. By extrapolation, if is correct, such complex be driving all ecosystems. However, many current general ecological theories predict distributions ecosystems do...
Abstract Questions Quantifying tree species persistence through recurrent disturbances is of crucial importance for understanding forest dynamics in typhoon‐prone regions. We ask the following: (a) What are major determinants dominant survival frequently typhoon‐disturbed forests? (b) Are different between small and large trees? Location A subtropical old‐growth located Fushan, Taiwan (24°45′34″N, 121°33′58″E), with frequent typhoon disturbances. Methods Data were from three consecutive...
The decline in species richness at higher latitudes is among the most fundamental patterns ecology. Whether changes composition across space (beta-diversity) contribute to this gradient of overall (gamma-diversity) remains hotly debated. Previous studies that failed resolve issue suffered from a well-known tendency for small samples areas with high gamma-diversity have inflated measures beta-diversity. Here, we provide novel analytical test, using beta-diversity metrics correct and sampling...
The spatial structure of species richness is often characterized by the species-area relationship (SAR). However, SAR approach rarely considers variability individual plants that arises from interactions and species' habitat associations. Here, we explored how target influence patterns at a range neighborhood distances. We analyzed data 113,988 woody 110 Fushan Forest Dynamics Plot (25 ha), northern Taiwan, which subtropical rainforest heavily influenced typhoons. classified 34 dominant into...
Sustainable management of plant diversity in a forest requires adequate information that is often derived from samples. With limited resources, the plot design has to be efficient. Most studies focused on evaluating effects designs sample estimates species richness at landscape scale. This study aims filling knowledge gap by investigating how size and shape affect composition local Two census datasets with distinct ecosystems were used. Fifteen combinations simulated. Species compositional...