S. Joseph Wright
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View article: Species functional traits affect regional and local dominance across western Amazonian forests
Species functional traits affect regional and local dominance across western Amazonian forests Open
Several studies have documented dominance by few species in Amazonian forests. Dominant species tend to be either locally abundant (local dominants) or regionally frequent (widespread dominants) but rarely both (oligarchs). Here, we explor…
View article: Drying suppresses fine root production to 1 m depths and alters root traits in four distinct tropical forests
Drying suppresses fine root production to 1 m depths and alters root traits in four distinct tropical forests Open
Summary Drying and drought in tropical forests, which have some of the highest net primary productivity on Earth, are likely to alter root dynamics, ecosystem function, and carbon (C) storage. We used a chronic drying experiment in four lo…
View article: Constraining Light‐Driven Plasticity in Leaf Traits With Observations Improves the Prediction of Tropical Forest Demography, Structure, and Biomass Dynamics
Constraining Light‐Driven Plasticity in Leaf Traits With Observations Improves the Prediction of Tropical Forest Demography, Structure, and Biomass Dynamics Open
Predicting tropical tree demography is a key challenge in understanding the future dynamics of tropical forests. Although demographic processes are known to be regulated by leaf trait diversity, only the effect of inter‐specific trait vari…
View article: <scp>TropiRoot</scp> 1.0: Database of tropical root characteristics across environments
<span>TropiRoot</span> 1.0: Database of tropical root characteristics across environments Open
Tropical ecosystems contain the world's largest biodiversity of vascular plants. Yet, our understanding of tropical functional diversity and its contribution to global diversity patterns is constrained by data availability. This discrepanc…
View article: Seed Production and 22 Years of Climatic Changes in an Everwet Neotropical Forest
Seed Production and 22 Years of Climatic Changes in an Everwet Neotropical Forest Open
Examining the cues and drivers influencing seed production is crucial to better understand forest resilience to climate change. We explored the effects of five climatic variables on seed production over 22 years in an everwet Amazonian for…
View article: Lifespan of tropical trees from seed to 1-cm diameter
Lifespan of tropical trees from seed to 1-cm diameter Open
View article: Data from TropiRoot 1.0 database: tropical root characteristics across environments
Data from TropiRoot 1.0 database: tropical root characteristics across environments Open
TropiRoot 1.0 is a new tropical root database with root characteristics across environment gradients. It has data extracted from 104 new sources, resulting in more than 8000 rows of data (either species or community data). Most of the data…
View article: Putting seedlings on the map: Trade‐offs in demographic rates between ontogenetic size classes in five tropical forests
Putting seedlings on the map: Trade‐offs in demographic rates between ontogenetic size classes in five tropical forests Open
All species must partition resources among the processes that underly growth, survival, and reproduction. The resulting demographic trade‐offs constrain the range of viable life‐history strategies and are hypothesized to promote local coex…
View article: A Century of Plant and Ecosystem Research at Barro Colorado
A Century of Plant and Ecosystem Research at Barro Colorado Open
To introduce 100 years of plant and ecosystem research in the Barro Colorado Nature Monument (BCNM), we briefly review the history of the BCNM, including early botanical research and the most relevant colonial and recent political events. …
View article: The Gigante Litter Manipulation Experiment
The Gigante Litter Manipulation Experiment Open
The Gigante Litter Manipulation exPeriment (GLiMP) was established in 2000 to investigate the contribution to productivity made by nutrients in litterfall. Soil nitrate and nitrogen (N) concentrations in roots and leaves decreased quickly …
View article: A Stand-Level, Water-Addition Experiment
A Stand-Level, Water-Addition Experiment Open
To evaluate hypotheses relating the biology of tropical forest species to seasonal variation in moisture availability, we eliminated seasonal drought in the soil and understory atmosphere by adding 114,750 m3 of water to two 2.25-ha plots …
View article: Variation in Forest Structure, Dynamics, and Composition Across 108 ha of Large Forest Plots on Barro Colorado Island
Variation in Forest Structure, Dynamics, and Composition Across 108 ha of Large Forest Plots on Barro Colorado Island Open
In addition to the iconic 50-ha plot, Barro Colorado Island (BCI) hosts 58 ha of other large (≥6 ha) mapped forest plots censused for trees ≥20 cm in trunk diameter in 2004 and 2014, as well as several smaller plots. The 50-ha plot is loca…
View article: The First 100 Years of Research on Barro Colorado: Plant and Ecosystem Science (Volumes 1 and 2)
The First 100 Years of Research on Barro Colorado: Plant and Ecosystem Science (Volumes 1 and 2) Open
The Barro Colorado Nature Monument in Panama, which includes Barro Colorado Island and nearby mainland peninsulas, supports the best studied tropical forest in the world. This 98-chapter edited volume reviews the history and contributions …
View article: Looking Forward to the Next 100 Years of Plant and Ecosystem Science at Barro Colorado
Looking Forward to the Next 100 Years of Plant and Ecosystem Science at Barro Colorado Open
Here we look ahead to the next century of research at Barro Colorado and make recommendations on how we can build on the rich legacy of the first 100 years. Major still-open questions include global change effects on tropical forests, dete…
View article: Flower and Seed Production, Seedling Dynamics, and Tree Life Cycles
Flower and Seed Production, Seedling Dynamics, and Tree Life Cycles Open
We present highlights derived from 36 years of weekly observations of flower and seed production and 25 years of annual observations of seedling dynamics at Barro Colorado Island (BCI), Panama. Highlights concern levels and causes of spati…
View article: The Importance and Diversity of Dominant Plant Species of Barro Colorado Island, and the Value of Focal Species Accounts
The Importance and Diversity of Dominant Plant Species of Barro Colorado Island, and the Value of Focal Species Accounts Open
Studies that synthesize all topics for a particular taxon or group of species—like those included in this section—provide a valuable perspective complementary to that of most biological studies today. In any given community, some species a…
View article: Insights from a Long-term, Factorial Nitrogen, Phosphorus, and Potassium Addition Experiment Conducted in a Mature Lowland Tropical Forest in the Barro Colorado Nature Monument
Insights from a Long-term, Factorial Nitrogen, Phosphorus, and Potassium Addition Experiment Conducted in a Mature Lowland Tropical Forest in the Barro Colorado Nature Monument Open
We initiated a factorial nitrogen-phosphorus-potassium addition experiment in old-growth forest growing on an infertile Oxisol in 1998. The experiment provides clear evidence that each added nutrient limits multiple plant and ecosystem fun…
View article: Dynamics of a Late-Stage Secondary Forest on Barro Colorado Island
Dynamics of a Late-Stage Secondary Forest on Barro Colorado Island Open
Long-term late-stage changes in the composition and structure of a late-stage secondary forest were quantified by repeated censuses of a 1.5-ha plot starting in 1968. When first established, the plot lacked canopy gaps and was dominated by…
View article: Root Characteristics Vary with Depth Across Four Lowland Seasonal Tropical Forests
Root Characteristics Vary with Depth Across Four Lowland Seasonal Tropical Forests Open
View article: The Relationship Between Maturation Size and Maximum Tree Size From Tropical to Boreal Climates
The Relationship Between Maturation Size and Maximum Tree Size From Tropical to Boreal Climates Open
The fundamental trade‐off between current and future reproduction has long been considered to result in a tendency for species that can grow large to begin reproduction at a larger size. Due to the prolonged time required to reach maturity…
View article: Tropical forest succession increases tree taxonomic and functional richness but decreases evenness
Tropical forest succession increases tree taxonomic and functional richness but decreases evenness Open
Aim Successional changes in functional diversity provide insights into community assembly by indicating how species are filtered into local communities based on their traits. Here, we assess successional changes in taxonomic and functional…
View article: plantMASST - Community-driven chemotaxonomic digitization of plants
plantMASST - Community-driven chemotaxonomic digitization of plants Open
Understanding the distribution of hundreds of thousands of plant metabolites across the plant kingdom presents a challenge. To address this, we curated publicly available LC-MS/MS data from 19,075 plant extracts and developed the plantMASS…
View article: Nutrient Dynamics in a Coupled Terrestrial Biosphere and Land Model (ELM‐FATES‐CNP)
Nutrient Dynamics in a Coupled Terrestrial Biosphere and Land Model (ELM‐FATES‐CNP) Open
We present a representation of nitrogen and phosphorus cycling in the Functionally Assembled Terrestrial Ecosystem Simulator, a demographic vegetation model within the Energy Exascale Earth System land model. This representation is modular…
View article: Toward a coordinated understanding of hydro‐biogeochemical root functions in tropical forests for application in vegetation models
Toward a coordinated understanding of hydro‐biogeochemical root functions in tropical forests for application in vegetation models Open
Summary Tropical forest root characteristics and resource acquisition strategies are underrepresented in vegetation and global models, hampering the prediction of forest–climate feedbacks for these carbon‐rich ecosystems. Lowland tropical …
View article: Oomycete communities in lowland tropical forest soils vary in abundance and are composed of saprophytes and pathogens of seeds and seedlings of multiple plant species.
Oomycete communities in lowland tropical forest soils vary in abundance and are composed of saprophytes and pathogens of seeds and seedlings of multiple plant species. Open
Premise: The soils in lowland tropics are teeming with microbial life which can impact plant community structure and diversity through plant-soil feedbacks. While bacteria and fungi have been the focus of most studies in the tropics, the o…
View article: Tropical forest above‐ground productivity is maintained by nutrients cycled in litter
Tropical forest above‐ground productivity is maintained by nutrients cycled in litter Open
Tropical forest productivity represents an important global carbon sink, but many tropical forests grow on infertile soils. Efficient nutrient cycling by litterfall has long been assumed to maintain tropical tree growth, but there is no di…
View article: Soil properties and root characteristics across four lowland Panamanian forests from 0 - 1 m soil depths
Soil properties and root characteristics across four lowland Panamanian forests from 0 - 1 m soil depths Open
Objectives:Fine roots significantly influence ecosystem-scale cycling of nutrients, carbon (C), and water, yet there is limited understanding of how fine root traits vary across and within tropical forests, some of Earth's most C-rich ecos…
View article: Root biomass and traits across four lowland Panamanian forests from 0 - 1.2 m soil depths
Root biomass and traits across four lowland Panamanian forests from 0 - 1.2 m soil depths Open
Fine roots are key to ecosystem-scale nutrient, carbon (C), and water cycling, yet our understanding of fine root traits variation within and among tropical forests, one of Earth’s most C-rich ecosystems, is limited. We characterized root …
View article: Global dominance of lianas over trees is driven by forest disturbance, climate and topography
Global dominance of lianas over trees is driven by forest disturbance, climate and topography Open
Growing evidence suggests that liana competition with trees is threatening the global carbon sink by slowing the recovery of forests following disturbance. A recent theory based on local and regional evidence further proposes that the comp…
View article: Evaluating spherical models of EBSD patterns for forward modelling indexing
Evaluating spherical models of EBSD patterns for forward modelling indexing Open