Plant Strategies And The Dynamics And Structure Of Plant Communities Mpb 26 Volume 26 PDF Download
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| Author | : David Tilman |
| Publisher | : Princeton University Press |
| Total Pages | : 376 |
| Release | : 2020-03-31 |
| Genre | : Science |
| ISBN | : 0691209596 |
Download Plant Strategies and the Dynamics and Structure of Plant Communities. (MPB-26), Volume 26 Book in PDF, ePub and Kindle
Although ecologists have long considered morphology and life history to be important determinants of the distribution, abundance, and dynamics of plants in nature, this book contains the first theory to predict explicitly both the evolution of plant traits and the effects of these traits on plant community structure and dynamics. David Tilman focuses on the universal requirement of terrestrial plants for both below-ground and above-ground resources. The physical separation of these resources means that plants face an unavoidable tradeoff. To obtain a higher proportion of one resource, a plant must allocate more of its growth to the structures involved in its acquisition, and thus necessarily obtain a lower proportion of another resource. Professor Tilman presents a simple theory that includes this constraint and tradeoff, and uses the theory to explore the evolution of plant life histories and morphologies along productivity and disturbance gradients. The book shows that relative growth rate, which is predicted to be strongly influenced by a plant's proportional allocation to leaves, is a major determinant of the transient dynamics of competition. These dynamics may explain the differences between successions on poor versus rich soils and suggest that most field experiments performed to date have been of too short a duration to allow unambiguous interpretation of their results.
| Author | : |
| Publisher | : |
| Total Pages | : 360 |
| Release | : 1988 |
| Genre | : Animal populations |
| ISBN | : 9780691084886 |
Download Plant Strategies and the Dynamics and Structure of Plant Communities Book in PDF, ePub and Kindle
| Author | : Yosias Gandhi |
| Publisher | : Cuvillier Verlag |
| Total Pages | : 248 |
| Release | : 2022-06-22 |
| Genre | : Science |
| ISBN | : 3736966342 |
Download Structure and Dynamics of Forests under Logging Concession in Papua, Indonesia Yosias Gandhi (Autor) Book in PDF, ePub and Kindle
The sexiest lowland forests in Papua Indonesia, hosting many high-valued timber species, attract the country’s authorities to allocate 94% as production forests. The main aim is to manage the forests sustainably under a concessionaire system strongly requiring sustainable-sense protocols stated in the national silviculture system-TPTI. However, in many cases, the logging activities in the tropics fail to perform sustainability in production and ecological integrity due to unavoidable high harvesting intensity adopted in uniform cutting protocols. Therefore, comprehending an intact forest’s local-specific features helps develop an adaptable silviculture technique. The book elaborates on 143 species identified in two logging concessions of Papua and explains significant differences in the distinct primary forests formed by the species. It also reveals the individuals and species of commercial timbers left after logging. Furthermore, it presentably discusses the current logging impacts potentially changing the species’ relative abundance, downgrading the future degree of tree diversity and causing a massive timber volume reduction that fizzles out to enter the third cycle. Additionally, the state-of-the-art method of relating species’ slope structure with its sapwood content of δ15N and N is conceptually explained to classify 103 species by light-requirement trait. Therefore, it is a critical indicator for species selection in the enrichment planting of pre-grown seedlings and subsequent tending. Ultimately, including a combination of species-specific minimum cutting diameter in TPTI with the consequence of enlarging the concession area becomes the ambitious goal of this work.
| Author | : Ana E. Escalante |
| Publisher | : Frontiers Media SA |
| Total Pages | : 121 |
| Release | : 2017-04-13 |
| Genre | : Electronic book |
| ISBN | : 2889451437 |
Download Conflict and Cooperation in Microbial Societies Book in PDF, ePub and Kindle
The most evident aspect of biodiversity is the variety of complex forms and behaviors among organisms, both living and extinct. Comparative molecular and physiological studies show that the evolution of complex phenotypic traits involves multiple levels of biological organization (i.e. genes, chromosomes, organelles, cells, individual organisms, species, etc.). Regardless of the specific molecular mechanisms and details, the evolution of different complex biological organizations share a commonality: cooperation and conflict among the parts of the biological unit under study. The potential for conflict among parts is abundant. How then do complex systems persist, given the necessity of cooperative behavior for their maintenance, when the potential for conflict occurs across all levels of biological organization? In this Research Topic and eBook we present ideas and work on the question, how coexistence of biological components at different levels of organization persists in the face of antagonistic, conflicting or even exploitative behavior of the parts? The goal of this topic is in presenting examples of cooperation and conflict at different levels of biological organization to discuss the consequences that this “tension” have had in the diversification and emergence of novel phenotypic traits. Exemplary cases are studies investigating: the evolution of genomes, formation of colonial aggregates of cells, biofilms, the origin and maintenance of multicellular organisms, and the stable coexistence of multispecies consortia producing a cooperative product. Altogether, we hope that the contributions to this Research Topic build towards mechanistic knowledge of the biological phenomenon of coexistence in the face of conflict. We believe that knowledge on the mechanisms of the origin and evolutionary maintenance of cooperation has implications beyond evolutionary biology such as novel approaches in controlling microbial infections in medicine and the modes by studies in synthetic biology are conducted when designing economically important microbial consortia.
| Author | : Wayne M. Getz |
| Publisher | : Princeton University Press |
| Total Pages | : 414 |
| Release | : 2020-03-31 |
| Genre | : Science |
| ISBN | : 0691209634 |
Download Population Harvesting (MPB-27), Volume 27 Book in PDF, ePub and Kindle
Whether in felling trees for wood, rearing insects for biological control, or culling animals for conservation purposes, efficient management of biological systems requires quantitative analysis of population growth and harvesting policies. Aiming to encourage the exchange of ideas among scientists involved in the management of fisheries, wildlife, forest stands, and pest control, the authors of this work present a general framework for modeling populations that reproduce seasonally and that have age or stage structure as an essential component of management strategy. The book represents the first time that examples from such diverse areas of biological resource management have been brought together in a unified modeling framework using the standard notation of mathematical systems theory. In addition, the authors combine a nonlinear extension of Leslie matrix theory and certain linear elements, thereby permitting interesting analytical results and the creation of compact, realistic simulation models of resource systems.
| Author | : David Tilman |
| Publisher | : Princeton University Press |
| Total Pages | : 310 |
| Release | : 2020-03-31 |
| Genre | : Science |
| ISBN | : 0691209650 |
Download Resource Competition and Community Structure. (MPB-17), Volume 17 Book in PDF, ePub and Kindle
One of the central questions of ecology is why there are so many different kinds of plants and animals. Here David Tilman presents a theory of how organisms compete for resources and the way their competition promotes diversity. Developing Hutchinson's suggestion that the main cause of diversity is the feeding relations of species, this book builds a mechanistic, resource-based explanation of the structure and functioning of ecological communities. In a detailed analysis of the Park Grass Experiments at the Rothamsted Experimental Station in England, the author demonstrates that the dramatic results of these 120 years of experimentation are consistent with his theory, as are observations in many other natural communities. The consumer-resource approach of this book is applicable to both animal and plant communities, but the majority of Professor Tilman's discussion concentrates on the structure of plant communities. All theoretical arguments are developed graphically, and formal mathematics is kept to a minimum. The final chapters of the book provide some testable speculations about resources and animal communities and explore such problems as the evolution of "super species," the differences between plant and animal community diversity patterns, and the cause of plant succession.
| Author | : J. Philip Grime |
| Publisher | : |
| Total Pages | : 464 |
| Release | : 2001-06-13 |
| Genre | : Nature |
| ISBN | : |
Download Plant Strategies, Vegetation Processes, and Ecosystem Properties Book in PDF, ePub and Kindle
This title discusses the various strategies in plant ecology and vegetation processes and ecosystem properties - the biological interaction of organisms and their physical environment.
| Author | : Aaron M. Ellison |
| Publisher | : MDPI |
| Total Pages | : 274 |
| Release | : 2019-07-30 |
| Genre | : Science |
| ISBN | : 3039213091 |
Download Causes and Consequences of Species Diversity in Forest Ecosystems Book in PDF, ePub and Kindle
This book is a printed edition of the Special Issue Causes and Consequences of Species Diversity in Forest Ecosystems that was published in Forests
| Author | : |
| Publisher | : Academic Press |
| Total Pages | : 392 |
| Release | : 2014-08-12 |
| Genre | : Science |
| ISBN | : 0128014334 |
Download Eco-Evolutionary Dynamics Book in PDF, ePub and Kindle
The theme of this volume is to discuss Eco-evolutionary Dynamics. Updates and informs the reader on the latest research findings Written by leading experts in the field Highlights areas for future investigation
| Author | : Ulrich Sommer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 232 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642561667 |
Download Competition and Coexistence Book in PDF, ePub and Kindle
The question "Why are there so many species?" has puzzled ecologist for a long time. Initially, an academic question, it has gained practical interest by the recent awareness of global biodiversity loss. Species diversity in local ecosystems has always been discussed in relation to the problem of competi tive exclusion and the apparent contradiction between the competitive exclu sion principle and the overwhelming richness of species found in nature. Competition as a mechanism structuring ecological communities has never been uncontroversial. Not only its importance but even its existence have been debated. On the one extreme, some ecologists have taken competi tion for granted and have used it as an explanation by default if the distribu tion of a species was more restricted than could be explained by physiology and dispersal history. For decades, competition has been a core mechanism behind popular concepts like ecological niche, succession, limiting similarity, and character displacement, among others. For some, competition has almost become synonymous with the Darwinian "struggle for existence", although simple plausibility should tell us that organisms have to struggle against much more than competitors, e.g. predators, parasites, pathogens, and envi ronmental harshness.
