A5041689528- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Plant Parasitism and Resistance
- Mycorrhizal Fungi and Plant Interactions
- Species Distribution and Climate Change
- Animal Ecology and Behavior Studies
- Plant Pathogens and Fungal Diseases
- Plant Diversity and Evolution
- Biological Control of Invasive Species
- Botany, Ecology, and Taxonomy Studies
- Plant Pathogens and Resistance
- Genetic diversity and population structure
- Forest Ecology and Biodiversity Studies
- Metabolism and Genetic Disorders
- Lichen and fungal ecology
- Evolution and Genetic Dynamics
- Bat Biology and Ecology Studies
- Mathematical and Theoretical Epidemiology and Ecology Models
- Plant Reproductive Biology
- Plant Water Relations and Carbon Dynamics
- Plant and Biological Electrophysiology Studies
- Forest Insect Ecology and Management
- Invertebrate Taxonomy and Ecology
- Rangeland and Wildlife Management
- Botanical Research and Applications
Case Western Reserve University
2015-2025
John Carroll University
2016
Washington University in St. Louis
2008-2013
University of California, Davis
2010-2012
Florida State University
2002-2011
Brown University
2011
University of Hawaii System
1973
New York State Department of Health
1970
The relationship between phylogenetic distance and ecological similarity is key to understanding mechanisms of community assembly, a central goal ecology. field phylogenetics uses information infer assembly; we explore, the underlying niche. We combined experiment using 32 native plant species with molecular phylogeny found that closely related shared similar germination early survival niches. Species also competed more close relatives than distant in soils; however, potting soil this...
A global dataset shows that animal pollinators are crucial for reproduction in half of wild flowering plants.
Abstract Land use change, by disrupting the co-evolved interactions between plants and their pollinators, could be causing plant reproduction to limited pollen supply. Using a phylogenetically controlled meta-analysis on over 2200 experimental studies more than 1200 wild plants, we ask if land intensification is at global scales. Here report that reliant pollinators in urban settings are similarly pollinator-reliant other landscapes. Plants functionally specialized bee natural managed...
ABSTRACT Little is known about the traits and mechanisms that determine whether or not a species will be invasive. Invasive are those establish spread after being introduced to novel habitat. A number of previous studies have attempted correlate specific plant with invasiveness. However, many such may flawed because they fail account for shared evolutionary history measure performance directly. It also clear context dependent. Thus, an approach corrects relatedness incorporates multiple...
Summary 1 General guidelines for invasive plant management are currently lacking. Population declines may be achieved by focusing control on demographic processes (survival, growth, fecundity) with the greatest impact population growth rate. However, we often have little information populations in early stages of an invasion when can most effective. Here determine whether synthesis existing data and native address this knowledge problem. 2 We compared dynamics between species using published...
Ecology Letters (2010) 13: 1182–1197 Abstract Explaining variation in population growth rates is fundamental to predicting dynamics and responses environmental change. In this study, we used matrix models, which link birth, survival rate, examine how why vary within among 50 terrestrial plant species. Population were more similar species than species; with phylogeny having a minimal influence on among‐species variation. Most decreased over the observation period negatively autocorrelated...
Soil ecologists have debated the relative importance of dispersal limitation and ecological factors in determining structure soil microbial communities. Recent evidence suggests that ‘everything is not everywhere’, communities are influenced by both factors. However, we still do understand explanatory power spatial factors, including plant species identity even relatedness, for different fractions community (i.e. bacterial fungal communities). To ask whether such as species, chemistry,...
Recent studies of communities have examined phylogenetic signal in species' functional traits to infer drivers community assembly. Phenotypic variation traits, arising from “constitutive” genetically based and environmental influences on gene expression, or phenotypic plasticity, could affect inferences about We found significant trait plasticity 12 focal species across four species–interaction treatments grown soil environments. Phylogenetic was present, but also dependent...
There is an urgent need to synthesize the state of our knowledge on plant responses climate. The availability open-access data provide opportunities examine quantitative generalizations regarding which biomes and species are most responsive climate drivers. Here, we time series structured population models from 162 populations 62 plants, mostly herbaceous temperate biomes, link growth rates (λ) precipitation temperature We expect: (1) more pronounced demographic than temperature, especially...
Summary Most studies of soil heterogeneity have focused on underlying abiotic factors such as nutrients. However, increasing recognition plant–soil feedback ( PSF ) effects plant growth, combined with the observation that s operate at small spatial scales, suggests due to could affect population and community dynamics. The consequences ‐generated for coexistence depend heterogeneity's vital rates how those influence population‐level recruitment We measured dynamics three congeneric pairs...
Understanding the traits of invasive species may improve ability to predict, prevent, and manage invasions. I compared morphological performance five congeneric pairs noninvasive Commelinaceae across a factorial experiment using range water nutrient availabilities. Invasive had greater fecundity vegetative reproduction than their relatives. The also higher relative growth rates, specific leaf area, more plastic root-to-shoot ratios species. However, whether trait was associated with...
Abstract Plant reproduction relies on transfer of pollen from anthers to stigmas, and the majority flowering plants depend biotic or abiotic agents for this transfer. A key metric characterizing if receipt is insufficient limitation, which assessed by supplementation experiments. In a experiment, fruit seed production flowers exposed natural pollination compared that following hand either (i.e. manual outcross addition without bagging) outcrossing bagged flowers, excludes pollination. The...
An understanding of the demographic processes contributing to invasions would improve our mechanistic invasion process and efficiency prevention control efforts. However, field comparisons demography invasive noninvasive species have not previously been conducted. We compared in situ 17 introduced plant St. Louis, Missouri, USA, contrast patterns with their less relatives across a broad sample angiosperms. Using herbarium records estimate spread rates, we found higher maximum rates landscape...
Abstract Biotic resistance may influence invasion success; however, the relative roles of species richness, functional or phylogenetic distance in predicting success are not fully understood. We used biomass fraction Chromolaena odorata , an invasive tropical and subtropical areas, as a measure ‘invasion success’ series artificial communities varying richness. Communities were constructed using from Mexico (native range) China (non‐native range). found strong evidence biotic resistance:...
Although invasion has long been recognized as an important ecological process, there are very few experimental studies of in natural communities and virtually no that determine how trophic structure affects the probability invasion. We introduced novel protozoans rotifers into found water-filled leaves pitcher plant Sarracenia purpurea. The were manipulated a factorial design removal predators (larvae mosquito Wyeomyia smithii) addition resources (dead insects). Three six protozoan species...
Summary 1. A primary goal of evolutionary ecology is to understand factors selecting for the diversity life histories. Life‐history components, such as time‐to‐reproduction, adult survivorship and fecundity, might differ among species because variation in direct indirect benefits these histories different environments or have lower‐than‐expected variability phylogenetic constraints. Here, we present a examination demography using data base 204 terrestrial plant species. 2. Overall,...
How species interactions shape global biodiversity and influence diversification is a central - but also data-hungry question in evolutionary ecology. Microbially based mutualisms are widespread could cause by ameliorating stress thus allowing organisms to colonize adapt otherwise unsuitable habitats. Yet the role of these generating diversity has received limited attention, especially across large taxonomic groups. In massive angiosperm family Leguminosae, plants often associate with...
Identifying how plant–enemy interactions contribute to the success of introduced species has been a subject much research, while role plant–pollinator received less attention. The ability reproduce in new environments is essential for successful establishment and spread species. Introduced plant that are not capable autonomous self‐fertilization unable attract resident pollinators may suffer from pollen limitation. Our study quantifies degree autogamy pollination ecology 10 closely related...
The Commelinaceae are a pantropical family of monocotyledonous herbs. Previous phylogenies in have emphasized sampling among genera. We extended this previous work by multiple species within some the largest genera (especially Commelina and Tradescantia , also including Callisia Cyanotis, Gibasis, Murdannia ), sequencing non- coding regions both nuclear ribosomal DNA region, 5S NTS, chloroplast trnL-trnF . generated phylogenetic hypoth- esis for 68 that partially tests morphological,...