What Is a[n Urban] Watershed?

Watershed are urban features Watersheds in Baltimore Watersheds are important parts of both wild and civilized places.  In both city and countryside, watersheds express the flow of water, with its […]

Ecology for the city also means with

Ecology In the City The growth of modern urban ecology has been marked by a differentiation among ecology in the city to ecology of the city, to ecology for the […]

Seeking Nuance in the Human Ecosystem: Built Versus Constructed

Parts of Any Human Ecosystem There are four components of human ecosystems: biological, physical, social, and built.  They are all necessary categories for human ecosystems, by definition.  The one-word label […]

Asphalt: Evolving Urban Boundary Object

Asphalt.  What could be more pedestrian, literally underfoot?  Or ignored as a dull gray ribbon somewhere beneath the floorboards as one navigates along city streets, concentrating on one’s destination?  Or […]

Renewal and Diversity

Dear BES Community, As we begin 2017, we are grateful for the opportunity to clarify our research outlook. We are hard at work developing a new conceptual model, research questions, […]

BES Annual Report 2017: Part 3 – Key Activities for the Year

Major Activities. There are a large number of contributors to BES, including senior scientists, post-doctoral researchers, undergraduates, and even high school students. Their activities are presented below, divided into the […]

BES Annual Report 2017: Part 2 – What Is Our Theoretical Foundation?

A Role for Theory The goals of BES are supported by three major kinds of theories. Theories are unifying frameworks that embrace many models and identify the fundamental postulates and […]

BES Annual Report 2017: Part 1 – What Have We Been Up To?

Major Goals of BES The Baltimore Ecosystem Study (BES) conducts research on metropolitan Baltimore as an ecological system. Focus on urban systems is important for several reasons. First, they are […]

Ecosystem as Place; Ecosystem as Network

The most frequently cited definition of the ecosystem concept owes its origin to Sir Arthur G. Tansley in 1935 (Pickett and Grove 2009).  It has proven to be a very […]

Emma Rosi-Marshall Becomes Sole Director of BES

Dr. Emma Rosi-Marshall has been co-directing BES with me since 2013.  That year, BES was reviewed by a visiting committee, and the results of that event helped us to shape […]