A5065639393- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Wildlife Ecology and Conservation
- DNA Repair Mechanisms
- Animal Ecology and Behavior Studies
- Coastal wetland ecosystem dynamics
- Botany and Plant Ecology Studies
- Animal Behavior and Reproduction
- Lichen and fungal ecology
- CRISPR and Genetic Engineering
- Plant Reproductive Biology
- Plant Molecular Biology Research
- Species Distribution and Climate Change
- Geographic Information Systems Studies
- DNA and Nucleic Acid Chemistry
- RNA and protein synthesis mechanisms
- Evolution and Paleontology Studies
- Enzyme Structure and Function
- Insect and Arachnid Ecology and Behavior
- Forest ecology and management
- Plant Diversity and Evolution
- Fire effects on ecosystems
- Remote Sensing and LiDAR Applications
- Plant Stress Responses and Tolerance
ForestGEO
2017
Harvard University
2017
University of Pittsburgh
2015
Stanford University
2007-2015
Max Planck Society
2007
Max Planck Institute for Chemical Ecology
2007
University of Wisconsin–Madison
2002-2005
Rapid alkalinization factor (RALF) is a 49-amino-acid peptide that rapidly alkalinizes cultivated tobacco cell cultures. In the native Nicotiana attenuata, NaRALF occurs as single-copy gene and highly expressed in roots petioles. Silencing transcript by transforming N. attenuata with an inverted-repeat construct generated plants (irRALF) normal wild-type (WT) above-ground parts, but grew longer produced trichoblasts developed into abnormal root hairs. Most localized 'bulge' without...
In seasonally dry tropical forests, tree species can be deciduous, remaining without leaves throughout the season, or evergreen, retaining their season. Deciduous and evergreen trees specialize in habitats that differ water availability (hillside riparian forest, respectively) exposure to herbivore attack (seasonal continuous, respectively). We asked whether syndromes of leaf traits deciduous were consistent with hypothesized abiotic biotic selective pressures respective habitat. measured...
Defaunation alters trophic interactions between plants and vertebrates, which may disrupt cascades, thereby favoring a subset of plant species reducing diversity. If particular functional traits characterize the favored species, then defaunation alter community‐wide patterns trait composition. Changes in occurring with help identify affected by potential for other cascading effects defaunation. We tested hypotheses that would (1) seed dispersal, whose dispersal agents are not (e.g., small...
Abstract Our understanding of the factors that shape reproductive phenology in Southeast Asian tropical forests comes almost exclusively from studies everwet, general flowering (GF) forests. Therefore, we examined an evergreen dipterocarp forest a climate exhibiting seasonal drought Asia, with aim evaluating what evidence it brings to bear on hypothesis contemporary is product evolutionarily conserved responses drought. We hypothesized (1) experience would exhibit annual reproduction and...
Using a decade-long exclosure experiment in Panama, we tested the hypothesis that ground-dwelling vertebrate herbivores and seed predators are crucial determinants of tropical tree diversity abundance within understory. Our is community-level test Janzen-Connell hypothesis. Therefore, predicted exclusion would (a) increase plant densities (b) lower richness, diversity, evenness. Excluding vertebrates caused 38%-46% densities, which, contrast to our predictions, species richness by 12%-15%....
Abstract Insectivorous mammals are hypothesized to reduce the abundance of their insect prey. Using a 14‐yr mammal exclusion experiment, we demonstrate for first time that widespread and abundant Neotropical mammalian insectivore (Tamandua: Tamandua mexicana ) reduced Azteca ant abundance. nests inside exclosures were significantly larger than in control plots, where tamanduas more abundant. These top‐down effects caused not only by direct consumption, but also through non‐trophic effects,...