Positive Plant Interactions and Community Dynamics
Such progress demands review and synthesis, and Positive plant interactions and community dynamics makes important strides in meeting this demand.
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The editor Francisco Pugnaire draws on the experience of leading researchers and presents a concise but comprehensive exploration of roles for positive plant interactions in the community context. The slim volume covers a surprisingly broad range of topics pertinent to the incorporation of positive interactions into community theory, reviewing key contributions to the primary literature and providing original synthesis wherever helpful, including new data and meta-analyses of published studies.
The international panel of authors, representing eight countries and four continents, provides a global perspective on the subject, and the balance of relatively light technical detail with strong consideration of general and conceptual relevance makes this book of interest to a fairly wide audience of ecologists.
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- Positive plant interactions and community dynamics.
The answer is clearly affirmative. This section introduces readers to the foundations of plant interactions but quickly proceeds to explore some of the most interesting questions and implications arising from our growing understanding of positive interactions, such as impacts of facilitation on species' evolutionary trajectories.
Employing an engaging narrative and brief reviews of the best studies to date, the evidence is allowed to make the case for itself in key research areas that are revisited more thoroughly in subsequent chapters, including interaction-based explanations for species' invasions and relationships between biodiversity and ecosystem functioning. Chapter 2 dives directly into the challenge of measuring species' interactions, and while it does get somewhat technical it may actually be the most helpful chapter in the book for practicing ecologists. Authors Kikvidze and Armas succinctly review the gamut of plant interaction indices that have developed, illustrating how interactions must be investigated differently depending on the number of focal species and whether intensity or importance of interactions are of greater interest.
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Chapter 3 initially returns to concepts, exploring how facilitation by stress-ameliorating nurse species may determine community diversity at multiple spatial and organizational scales. However, Cavieres and Badano go on to demonstrates these principles in action with new analyses of their own data from alpine cushion plant communities along the Andes of southern South America.
Interestingly, the variation in interaction strength and sign along the large latitudinal gradient studied is consistent with the stress-gradient hypothesis SGH that positive interactions are more frequent in more stressful environments.
Positive plant interactions and community dynamics
Chapter 5 steps beyond the plants-only focus to consider how fungal symbiotes of plants specifically, arbuscular mycorrhizal fungi, or AMF influence plant—plant interactions. Moora and Zobel present a new meta-analysis of published studies investigating how suppression of plants by their competitors changes in response to AMF, revealing that AMF tend to intensify competition within species but reduce it among species. Chapter 6 explorers how the nature of plant—plant interactions may mediate the impacts of climate change on plant communities, with Brooker analysing plant communities as functions of species' pools and environmental filters including neighbour interactions that may be altered by climate change in specific ways.
The intriguing conclusion is reached that certain locations may become less stressful and thus more limited by competition, while other locations will become more stressful and thus more sensitive to facilitation. Meta-analysis of the ten highest-quality SGH studies is used to test this, yielding a significant signal for stress-induced shifts in the directionality of plant—plant interactions.
Positive Plant Interactions and Community Dynamics
The presentation of materials is clean and efficient, with a good balance of relevant tables, graphs, conceptual illustrations, and colour photographs that successfully enhance clarity and understanding. A good understanding of natural processes is necessary to manage natural habitats properly, prevent environmental risks, and secure continued ecosystem services. Clearly and concisely written, this book challenges the paradigm that interactions should be considered independently, with little regard to context.
Addressing the complex processes at the foundation of ecosystem diversity, the book promotes more rigorous experimental design and opportunities for further research developments in this field. Do Positive Interactions among Plants Matter?
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The book is refreshingly focused on how positive and negative plant interactions are important beyond the population level, influencing the structure of communities and the functioning of ecosystems, with implications for understanding processes as diverse as succession, invasion, restoration, global environmental change and evolution. Richardson, in Annals of Botany. We provide complimentary e-inspection copies of primary textbooks to instructors considering our books for course adoption.
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