analysis of ecological communities

The Mojave Desert is a winter-rainfall desert, experiencing drought in the summer months and occasional rain during the cooler winter months. For many years it has attracted the attention of ecologists and conservation biologists concerned with maintaining the unique status of this region. This book provides a broad overview of plant and animal ecology in the Mojave Desert, with a focus on data from Rock Valley, Nevada. The data from many major research projects is organized into a synthesis describing community structure and dynamics in desert ecosystems.

0521527287Ian Spellerberg presents a practical introduction to how changes in living communities are measured and monitored. After describing the relevance and growth of ecological monitoring and the programs and organizations involved, this book presents the science of ecological monitoring in respect to spatial scales, temporal scales, indicators and indices. The later part of the book provides an assessment of methods and monitoring in practice, including many international case-study examples. ...

Model development is of vital importance for understanding and management of ecological processes. Identifying the complex relationships between ecological patterns and processes is a crucial task. Ecological modelling—both qualitatively and quantitatively—plays a vital role in analysing ecological phenomena and for ecological theory. This textbook provides a unique overview of modelling approaches. Representing the state-of-the-art in modern ecology, it shows how to construct and work with various different model types. It introduces the background of each approach and its application in ecology

It is over twenty years since Jared Diamond focused attention on the possible existence of assembly rules for communities. Since then there has been a proliferation of studies trying to promote, refute, or test the idea that there are sets of constraints rules on community formation and maintenance assembly. This timely volume brings together carefully selected contributions which examine the question of the existence and nature of assembly rules with some rigor and in some detail, using both theoretical and empirical approaches in a variety of systems.

While studies of restoration and ecological succession have been published independently, there is much overlap between these approaches that has not been adequately explored. Linking Restoration and Ecological Succession integrates practical information from restoration projects around the world with the latest developments in successional theory.

This richly illustrated field guide serves as an introduction to the wildflowers and plant communities of the southern Appalachians and the rolling hills of the adjoining piedmont. Rather than organizing plants, including trees, shrubs, and herbaceous plants, by flower color or family characteristics, as is done in most guidebooks, botanist Tim Spira takes a holistic, ecological approach that enables the reader to identify and learn about plants in their natural communities. This approach, says Spira, better reflects the natural world, as plants, like other organisms, don't live in isolation; they coexist and interact in myriad ways.

Marine hard bottoms feature some of the most spectacular and diverse biological communities on this planet. These not only contain a rich treasure of genetic, taxonomic and functional information but also deliver irreplaceable ecosystem services. At the same time, they are highly vulnerable and increasingly threatened by anthropogenic pressures. This volume has collected contributions by 50 scientists from numerous biogeographic regions, dealing with characteristics of hard bottom communities. Distributional patterns in space and time are described, followed by analyses of the intrinsic and extrinsic dynamics producing these patterns. A strong emphasis is placed on the ongoing changes occurring in the structure and diversity of these communities in response to spiralling environmental impacts, and on state-of-the-art countermeasures aiming to preserve these ecological treasures. Finally, various values of diversity are assessed, hopefully as an incentive for enhanced conservation efforts....

Marine hard bottoms feature some of the most spectacular and diverse biological communities on this planet. These not only contain a rich treasure of genetic, taxonomic and functional information but also deliver irreplaceable ecosystem services. At the same time, they are highly vulnerable and increasingly threatened by anthropogenic pressures. This volume has collected contributions by 50 scientists from numerous biogeographic regions, dealing with characteristics of hard bottom communities. Distributional patterns in space and time are described, followed by analyses of the intrinsic and extrinsic dynamics producing these patterns. A strong emphasis is placed on the ongoing changes occurring in the structure and diversity of these communities in response to spiralling environmental impacts, and on state-of-the-art countermeasures aiming to preserve these ecological treasures. Finally, various values of diversity are assessed, hopefully as an incentive for enhanced conservation efforts....

Fluctuations in the environmental conditions impacting life are ubiquitous. These fluctuations induce changes in the vital processes occurring within individual organisms (such as cellular metabolism) and the ecological processes occurring among individuals (such as competition, mutualism, and predation), ultimately leading to observable fluctuations in the commonly measured characteristics of ecological systems. From a very simple perspective, these processes are all modulators of environmental variability. We might best be able to understand the final form of this modulation – the impact of environmental variability on ecological systems - by building from an understanding of the responses of these life processes in isolation to an understanding of their responses in harmony. The impact of environmental variability on ecological systems is an issue that has been at the forefront of ecological research for many years. Research is taking place on many fronts, including theoretical mathematical based analyses, natural ecosystem observation and experimentation.

Making social and ecological change happen is not easy. At both the planetary and organizational levels, it is a dance that is fraught with danger for both the change agents themselves and their organizations. It is like dancing with a tiger.
For corporations, communities and other organizations, the choreography of the dance toward sustainability has been systematized by The Natural Step: a framework that provides the science, analysis, methodologies and tools to use in the quest for sustainability. Dancing with the Tiger presents the stories of individuals, teams and organizations learning about change and sustainability, and then acting on that learning. Case studies include some of the most successful companies and communities in North America:
- Nike: its struggles, victories and setbacks on the road to sustainability

0521049830This two-volume handbook is a comprehensive account of the rapidly emerging and vibrant science of the ecological restoration of habitats and species. Ecological restoration aims to achieve complete structural, functional, self-maintaining biological integrity following disturbance. In practice, any theoretical model is modified by a number of economic, social, and ecological constraints. Consequently, material that might be considered as rehabilitation, enhancement, re-construction, or re-creation is also included. Principles of Restoration defines the underlying principles of restoration ecology in relation to manipulations and management of the biological, geophysical, and chemical framework. ...