These investigations identify and clarify some basic assumptions and methodological principles involved in ecological explanations of plant associations. How are plants geographically distributed into characteristic groups? What are the basic conditions that organize groups of interspecific plant populations that are characteristic of particular kinds of habitats? Answers to these questions concerning the geographical distribution of plants in late 19th century European plant geography and early 20th century American plant ecology can be distinguished according to differing logical assumptions concerning the habitats of plant associations. Through an analysis of several significant case studies in the early history of plant ecology, Konopka distinguishes a logic of habitats that conceives of plant associations in an analogy to individual organisms with a logic that conceives of plant associations in a reciprocal relation to habitat physiography. He argues that a phenomenological conception of the logical attributes of habitats can philosophically complement the physiographic tradition in early plant ecology and provide an attractive alternative to standard reductionism and holism debates that persist today. This wide ranging and original analysis will be valuable for readers interested in the history and philosophy of ecology.

Media Ecology: An Approach to Understanding the Human Condition provides a long-awaited and much anticipated introduction to media ecology, a field of inquiry defined as the study of media as environments. Lance Strate presents a clear and concise explanation of an intellectual tradition concerned with much more than understanding media, but rather with understanding the conditions that shape us as human beings, drive human history, and determine the prospects for our survival as a species. Much more than a summary, this book represents a new synthesis that moves the field forward in a manner that is both unique and unprecedented, and simultaneously grounded in an unparalleled grasp of media ecology's intellectual foundations and its relation to other disciplines. Taking as its subject matter "life, the universe, and everything," Strate describes the field as interdisciplinary and communication-centered, provides a detailed explication of McLuhan's famous aphorism, "the medium is the message," and explains that the human condition can only be understood in the context of our biophysical, technological, and symbolic environments. Strate provides an in-depth examination of media ecology's four key terms: medium, which is defined in much broader terms than in other fields; bias, which refers to tendencies inherent in materials and methods; effects, which are best understood via the Aristotelian notion of formal causality and contemporary systems theory; and environment, which includes the distinctions between the oral, chirographic, typographic, and electronic media environments. A chapter on tools serves as a guide to further media ecological research and scholarship. This book is well suited for graduate and undergraduate courses on communication theory and philosophy.

Vols. 16-21 include supplement: British empire vegetation abstracts.