A5016883854- Remote Sensing in Agriculture
- Plant Water Relations and Carbon Dynamics
- Forest ecology and management
- Ecology and Vegetation Dynamics Studies
- Remote Sensing and LiDAR Applications
- Species Distribution and Climate Change
- Hygrothermal properties of building materials
- Land Use and Ecosystem Services
- Building materials and conservation
- Leaf Properties and Growth Measurement
- Plant and animal studies
- Building Energy and Comfort Optimization
- Plant Diversity and Evolution
- Lichen and fungal ecology
- Spectroscopy and Chemometric Analyses
- Forest Management and Policy
- Geochemistry and Geologic Mapping
- Forest Ecology and Biodiversity Studies
- Masonry and Concrete Structural Analysis
- Photosynthetic Processes and Mechanisms
- Medical Imaging Techniques and Applications
- Microbial Metabolism and Applications
- Phytochemical compounds biological activities
- Scarabaeidae Beetle Taxonomy and Biogeography
- Plant tissue culture and regeneration
University of Alberta
2017-2025
University of Minnesota
2023-2025
Harvard University
2024-2025
National Centre for Earth Observation
2020
Universidad de Costa Rica
2014-2016
Universidad Nacional
2013-2016
Clouds are critical to the biodiversity and function of Tropical Montane Cloud Forests (TMCF) as they control water regimes sunlight that can be perceived by plants. These ecosystems provide a key role in ecosystem services humanity considered hotspots endemism, given number species is restricted their microclimates. The cloudiness these projected decline owing global warming, but recent temporal trends remain unclear. Here, we evaluated low-cloud fractions (CF) (e.g., proportion an area...
Tree mortality due to global change—including range expansion of invasive pests and pathogens—is a paramount threat forest ecosystems. Oak forests are among the most prevalent valuable ecosystems both ecologically economically in United States. There is increasing interest monitoring oak decline death drought wilt pathogen ( Bretziella fagacearum ). We combined anatomical ecophysiological measurements with spectroscopy at leaf, canopy, airborne levels enable differentiation drought,...
Abstract Understanding the determinants of urban forest diversity and structure is important for preserving biodiversity sustaining ecosystem services in cities. However, comprehensive field assessments are resource‐intensive, landscape‐level approaches may overlook heterogeneity within regions. To address this challenge, we combined remote sensing with inventories to comprehensively map analyze attributes patches across Minneapolis‐St. Paul Metropolitan Area (MSPMA) a multistep process....
Abstract Lianas, woody vines acting as structural parasites of trees, have profound effects on the composition and structure tropical forests, impacting tree growth, mortality, forest succession. Remote sensing could offer a powerful tool for quantifying scale liana infestation, provided availability robust detection methods. We analyze consistency global geographic specificity spectral signals—reflectance across wavelengths—from liana‐infested crowns stands, examining underlying mechanisms...
Tropical dry forests (TDFs) present strong seasonal greenness signals ideal for tracking phenology and primary productivity using remote sensing techniques. The tightly synchronized relationship these ecosystems have with water availability offer a valuable natural experiment observing the complex interactions between atmosphere biosphere in tropics. To investigate how well MODIS vegetation indices (normalized difference index (NDVI) enhanced (EVI)) represented of different successional...
Reflectance spectroscopy is a non-destructive, rapid, and robust method for estimating functional traits distinguishing species. Spectral reflectance libraries generated from herbarium specimens are an untapped promising resource generating broad phenomic datasets across space, time, We conducted proof-of-concept study using trait data spectra recently dried, pressed leaves, alongside up to 179 years old. assessed the utility transferability of these prediction taxonomic discrimination....
Abstract Greater tree diversity often increases forest productivity by increasing the fraction of light captured and effectiveness use at community scale. However, may shape function not only as a source energy or cause stress but also context cue: Plant photoreceptors can detect specific wavelengths light, plants this information to assess their neighborhoods adjust patterns growth allocation. These cues have been well documented in laboratory studies, little studied diverse forests. Here,...
Genomic tools have transformed our understanding of species and population genetic structure in landscapes. However, discerning the impacts neutral adaptive evolutionary forces remains challenging, largely due to scarcity capable measuring a broad spectrum phenotypic traits. We used spectroscopic data from preserved leaves test for divergence among populations live oaks (Quercus section Virentes) across phylogenetic levels. The monophyletic lineage includes seven that diversified under...
Abstract Anthropogenic climate change, particularly changes in temperature and precipitation, affects plants multiple ways. Because respond dynamically to stress acclimate growing conditions, diagnosing quantitative plant‐environment relationships is a major challenge. One approach this problem quantify leaf responses using spectral reflectance, which provides rapid, inexpensive, nondestructive measurements that capture wealth of information about genotype as well phenotypic the environment....
1. Spectral reflectance measured from herbarium specimens represents a vast source of plant phenotypic and functional trait data. 2. The potential to capture data enhance knowledge function taxon identification has inspired many laboratories worldwide initiate next-generation spectral digitization specimens. 3. Combining these datasets into coordinated global database would enable prediction traits the world’s plants allow novel, impactful scientific questions be addressed at scale. These...
Abstract. Tropical dry forests (TDFs) are ecosystems with long drought periods, a mean temperature of 25 °C, annual precipitation that ranges from 900 to 2000 mm, and possess high abundance deciduous species (trees lianas). What remains the original extent TDFs in Americas highly fragmented at different levels ecological succession. It is estimated one main fingerprints left by global environmental climate change tropical environments an increase liana coverage. Lianas non-structural...
Abstract Fractals have been widely used to determine bifurcation patterns in trees or analyse the homeostasis of development plants different environments. In a few instances, fractals predict tree stand metrics. Here, we explore use fractal geometry based on voxel‐counting method (VC) and stands metrics point clouds derived from terrestrial laser scanning. This was explored using 189 leaf‐on leaf‐off seven databases around world. Four were estimated at level: height, diameter breast crown...
Tracking biodiversity across biomes over space and time has emerged as an imperative in unified global efforts to manage our living planet for a sustainable future humanity. We harness the National Ecological Observatory Network develop routines using airborne spectroscopic imagery predict multiple dimensions of plant at continental scale US. Our findings show strong positive associations between diversity metrics based on spectral species ground-based richness other diversity, whereas...
Abstract The stability of forest productivity is a widely studied phenomenon often associated with tree species diversity. Yet, drivers in structure and its consequences for remain poorly understood. Using large (10 ha) young diversity experiment, we evaluated how multiple dimensions composition are related to remotely sensed structural metrics their through the growing season. We then examined whether (SS) across season (April–October) could explain overyielding (i.e., net biodiversity...
Abstract We introduce a new “ecosystem‐scale” experiment at the Cedar Creek Ecosystem Science Reserve in central Minnesota, USA to test long‐term ecosystem consequences of tree diversity and composition. The experiment—the largest its kind North America—was designed provide guidance on forest restoration efforts that will advance carbon sequestration goals contribute biodiversity conservation sustainability. Forest Biodiversity (FAB2) uses native species varying levels richness, phylogenetic...
Abstract Tropical dry forests (TDFs) worldwide have an environment-sensitive phenological signal, which easily marks their response to the changing climatic conditions, especially precipitation and temperature. Using TDF characteristics as a proxy, this study aims evaluate current continental climate change across Americas. Here, we show that TDFs are resilient water stress droughts by increasing rain use efficiency (RUE) in drier years recovering average RUE year following drought....
The Normalized Difference Vegetation Index (NDVI) is widely used to monitor vegetation phenology and productivity around the world. Over last few decades, monitoring at large scales has been possible due information metrics derived from satellite sensors such as Moderate Resolution Imaging Spectroradiometer (MODIS) or Project for On-Board Autonomy–Vegetation (PROBA-V). However, their temporal spatial resolution, adequate ground comparison lacking. In this paper, we analyze how NDVI products...
Abstract We introduce a new “low-density” tree diversity experiment at the Cedar Creek Ecosystem Science Reserve in central Minnesota, USA aimed testing long-term ecosystem consequences of and composition. The was designed to provide guidance on forest restoration efforts that will simultaneously advance carbon sequestration goals contribute biodiversity conservation sustainability. Forest Biodiversity (FAB2) uses native species varying levels richness, phylogenetic diversity, functional...
Abstract The stability of forest productivity over time is a widely studied parameter often associated with benefits diversity. Yet, the structural ( SS ) through season communities and its relationship to diversity, composition, remains poorly understood. Using large-scale (10 ha) young tree diversity experiment, we evaluated how structure multiple dimensions composition affect remotely-sensed metrics their growing season. We then impact across (April-October) on net biodiversity effects...
Environmental heterogeneity mostly dominated by differing light regimes affects the expression of phenotypic plasticity, which is important for plant growth and survival, especially in forest understory. The knowledge about these responses to this a key factor restoration initiatives. In study, we determine several contrasting conditions five native tree seedling species La Cangreja National Park, Central Pacific Costa Rica, four them with threatened or relict populations. After 14 weeks at...
Leaf temperature (Tleaf) influences photosynthesis and respiration. Currently, there is a growing interest in including lianas productivity models due to their increasing abundance detrimental effects the carbon stock of tropical ecosystems. Therefore, understanding differences Tleaf between trees important for future predictions productivity. Here, we determined displayed leaf (Td = − air temperature) several species host during El Niño-Southern Oscillation (ENSO) non-ENSO years evaluate if...