Because of its large size, topographic diversity, and southcentral position in North America, Texas has a flora of some 5,480 species in 10 natural regions and at least 77 major plant associations. Central in the state's biogeographical pattern is the Edwards Plateau, a strongly dissected tableland, distinctly bordered on the east and south by the abrupt Balcones Escarpment.This volume brings together eight studies of the Plateau originally presented at a symposium sponsored by the Southwestern Association of Naturalists. The aim is to provide an introduction to the vegetational landscape, including representative photographs, specific research about the history of vegetation patterns, and quantitative information on current structure and succession.

Seeking a closer connection with nature than the manicured lawns of suburbia, naturalist Fred Gehlbach and his family built a house on the edge of a wooded ravine in Central Texas in the mid-1960s. On daily walks over the hills, creek hollows, and fields of the ravine, Gehlbach has observed the cycles of weather and seasons, the annual migrations of birds, and the life cycles of animals and plants that also live in the ravine.

In this book, Gehlbach draws on thirty-five years of journal entries to present a composite, day-by-day almanac of the life cycles of this semiwild natural island in the midst of urban Texas. Recording such events as the hatching of Eastern screech owl chicks, the emergence of June bugs, and the first freeze of November, he reminds us of nature's daily, monthly, and annual cycles, from which humans are becoming ever more detached in our unnatural urban environments. The long span of the almanac also allows Gehlbach to track how local and even global developments have affected the ravine, from scars left by sewer construction to an increase in frost-free days probably linked to global warming.

This long-term record of natural cycles provides one of only two such baseline data sets for North America. At the same time, the book is an eloquent account of one keen observer's daily interactions with his wild and human neighbors and of the lessons in connectedness and the "play of life" that they teach.

Mountains rise like islands from deserts and grasslands along the U.S.-Mexican border. The stunningly varied borderlands offer a laboratory for studying historical trends and ecological cycles, as well as a refuge in which to experience natural history firsthand. In this engaging personal narrative, biologist Fred Gehlbach describes the stability and changes of the past century in the Borderlands' climate, landforms, and natural communities and in its distinctive plants and vertebrates. Historical sketches, maps, and striking photographs richly amplify the text, and a preface updates developments in the region since the book's original publication in 1981.

Because of its large size, topographic diversity, and southcentral position in North America, Texas has a flora of some 5,480 species in 10 natural regions and at least 77 major plant associations. Central in the state's biogeographical pattern is the Edwards Plateau, a strongly dissected tableland, distinctly bordered on the east and south by the abrupt Balcones Escarpment. This volume brings together eight studies of the Plateau originally presented at a symposium sponsored by the Southwestern Association of Naturalists. The aim is to provide an introduction to the vegetational landscape, including representative photographs, specific research about the history of vegetation patterns, and quantitative information on current structure and succession.