Meghan Avolio

Johns Hopkins University | JHU · Earth & Planetary Sciences

Relatively unmanaged interstitial areas at the residential–wildland interface can support the development of novel woody plant communities. Community assembly processes in urban areas involve interactions between spontaneous and cultivated species pools that include native, introduced (exotic/non-native) and invasive species. The potential of these...

Grassland and other herbaceous communities cover significant portions of Earth's terrestrial surface and provide many critical services, such as carbon sequestration, wildlife habitat, and food production. Forecasts of global change impacts on these services will require predictive tools, such as process‐based dynamic vegetation models. Yet, model...

In many scientific disciplines, common research practices have led to unreliable and exaggerated evidence about scientific phenomena. Here we describe some of these practices and quantify their pervasiveness in recent ecology publications in five popular journals. In an analysis of over 350 studies published between 2018 and 2020, we detect empiric...

Despite interest in the contribution of evapotranspiration (ET) of residential turfgrass lawns to household and municipal water budgets across the United States, the spatial and temporal variability of residential lawn ET across large scales is highly uncertain. We measured instantaneous ET (ETinst) of lawns in 79 residential yards in six metropoli...

Ecosystems are faced with an onslaught of co-occurring global change drivers. While frequently studied independently, the effects of multiple global change drivers have the potential to be additive, antagonistic, or synergistic. Global warming, for example, may intensify the effects of more variable precipitation regimes with warmer temperatures in...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

A distinct branch of socio-environmental research, grounded in the physical principles of conservation of mass and energy, applies a systems modeling approach to society–environment interactions, emphasizing material and energy flows. Technology and technological advancement, alongside population and resources, feature prominently in determining th...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

Ethical quandaries – such as justice and equity for under-represented communities, treatment of animals in laboratory and field research, and editing the genomes of plants, animals, and humans – are becoming ever more insistent in socio-environmental research. Accordingly, socio-environmental research requires that natural and social scientists bec...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This part considers how markets and other institutions decoupled society and environment and how to recouple them. Transitions along the way include the Western belief in progress by controlling nature, the reorganization from feudal to market systems, as discussed by Polanyi, and the idea that land can be divided and owned. The challenges and oppo...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

A network of Enlightenment-era intellectuals debated processes still with us, such as industrialization. The endurance of their ideas reflects their status as mostly privileged white European men. They debated the big questions. Some saw socio-environmental relationships as subject to natural laws. Malthus and Liangji argued that human populations...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

As the study of our “house,” ecology considers interactions between humans and our environments. Hutchinson noted modern society’s effects, including from overconsumption, on the major cycles of nitrogen, carbon, and other elements, foretelling research on the Earth system. A major driver is agriculture, including the scale of pesticide use, an ala...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

This anthology convenes 53 foundational readings that showcase the rich history of socio-environmental research from the late 1700s onwards. The introduction orients readers to the topic and how it has evolved and describes how to best use the book. The original readings are organised into six sections, documenting the emergence of socio-environmen...

Ecological communities are being impacted by global change worldwide. Experiments are a powerful tool to understand how global change will impact communities by comparing control and treatment replicates. Communities consist of multiple species, and their associated abundances make multivariate methods an effective approach to study community compo...

Humans promote and inhibit other species on the urban landscape, shaping biodiversity patterns. Institutional racism may underlie the distribution of urban species by creating disproportionate resources in space and time. Here, we examine whether present‐day street tree occupancy, diversity, and composition in Baltimore, MD, USA, neighborhoods refl...

The use of trait-based approaches to understand ecological communities has increased in the past two decades because of their promise to preserve more information about community structure than taxonomic methods and their potential to connect community responses to subsequent effects of ecosystem functioning. Though trait-based approaches are a pow...

We sought to understand the role that water availability (expressed as an aridity index) plays in determining regional and global patterns of richness and evenness, and in turn how these water availability-diversity relationships may result in different richness-evenness relationships at regional and global scales. We examined relationships between...

Despite substantial progress in understanding global biodiversity loss, major taxonomic and geographic knowledge gaps remain. Decision makers often rely on expert judgement to fill knowledge gaps, but are rarely able to engage with sufficiently large and diverse groups of specialists. To improve understanding of the perspectives of thousands of bio...

Across a city, tree communities are spatially heterogenous and vary by land use type. However, it remains unclear how urban tree communities change over time and whether rates of change depend on land use type. To address this knowledge gap, we analyzed urban tree composition using long‐term plot data to examine tree diversity changes across six di...

Aims While the relationship between genetic diversity and plant productivity has been established for many species, it is unclear whether environmental conditions and biotic associations alter the nature of the relationship. To address this, we investigate the interactive effect of genotypic diversity, drought and mycorrhizal association on plant p...

Given the large and increasing amount of urban, suburban and exurban land use on Earth, there is a need to accurately assess net primary productivity (NPP) of urban ecosystems. However, the heterogeneous and dynamic urban mosaic presents challenges to the measurement of NPP, creating landscapes that may appear more similar to a savanna than to the...

Plants are subject to tradeoffs among growth strategies such that adaptations for optimal growth in one condition can preclude optimal growth in another. Thus, we predicted that a plant species that responds positively to one global change treatment would be less likely than average to respond positively to another treatment, particularly for pairs...

Feedbacks are an essential feature of resilient socio-economic systems, yet the feedbacks between biodiversity, ecosystem services and human wellbeing are not fully accounted for in global policy efforts that consider future scenarios for human activities and their consequences for nature. Failure to integrate feedbacks in our knowledge frameworks...

Residential yards are a unique component of the urban environment and harbor high cultivated plant biodiversity; however, why and how people create yards with so many plant species is not well understood. To investigate this pattern, we studied the relationships between residents’ preferences, income, and yard plant biodiversity in the Salt Lake Va...

Urban tree canopy is a vital component of modern cities, and many cities aspire to increase canopy cover to bolster ecosystem services. However, canopy-based ecosystem services are disproportionately provided by old, large-statured trees. Legacies of where trees have been maintained are evident in urban landscapes and loss of these older trees is n...

Urbanization has a homogenizing effect on biodiversity and leads to communities with fewer native species and lower conservation value. However, few studies have explored whether or how which land management by urban residents can ameliorate the deleterious effects of this homogenization on species composition. We tested the effects of local (land...

Causal inferences from experimental data are often justified based on treatment randomization. However, inferring causality from data also requires complementary causal assumptions, which have been formalized by scholars of causality but not widely discussed in ecology. While ecologists have recognized challenges to inferring causal relationships i...

In cities, humans directly and indirectly affect plant and wildlife communities. These human–species interactions are not included in traditional ecological approaches used to understand why and how organisms are distributed. Here, we incorporate human behaviors into urban community assembly theories and detail all the complex ways humans affect th...

Global change is impacting plant community composition, but the mechanisms underlying these changes are unclear. Using a dataset of 58 global change experiments, we tested the five fundamental mechanisms of community change: changes in evenness and richness, reordering, species gains and losses. We found 71% of communities were impacted by global c...

Local regulations on residential landscapes (yards and gardens) can facilitate or constrain ecosystem services and disservices in cities. To our knowledge, no studies have undertaken a comprehensive look at how municipalities regulate residential landscapes to achieve particular goals and to control management practices. Across six U.S. cities, we...

Understanding how global change drivers (GCDs) affect aboveground net primary production (ANPP) through time is essential to predicting the reliability and maintenance of ecosystem function and services in the future. While GCDs, such as drought, warming and elevated nutrients, are known to affect mean ANPP, less is known about how they affect inte...

Urban biotic homogenization is expected to be especially important in residential yards, where similar human preferences and management practices across environmentally heterogeneous regions might lead to the selection of similar plant species, closely related species, and/or species with similar sets of traits. We investigated how different yard m...

Plant biodiversity is affected by limiting resources such as water, nutrients, and sunlight. In urban settings, such as residential yards, however, limiting resources may also include the social factors of time and money spent on yard care. To examine the role that these precious human resources play in determining plant community structure and div...

Temperate deciduous forests in the United States are located in the most densely populated states across the northern and mid-Atlantic east coast. Land development and associated human activities result in small forests that are susceptible to anthropogenic influences, such as urbanization and non-native plant invasion. The overall objective of thi...

Residential yards contribute to human well-being and urban biodiversity. The structure, diversity, and composition of yard floras are largely determined by personal choices and landscaping priorities at local scales, but it is unclear whether these relationships hold across broader geographical areas. We investigated the relationship between homeow...

Random species loss has been shown experimentally to reduce ecosystem function, sometimes more than other anthropogenic environmental changes. Yet, controversy surrounds the importance of this finding for natural systems where species loss is non‐random. We compiled data from 16 multi‐year experiments located at a single native tallgrass prairie si...