Ecology And Evolution Of Distribution Patterns In Vernal Pool Annual Plant Populations PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Ecology And Evolution Of Distribution Patterns In Vernal Pool Annual Plant Populations PDF full book. Access full book title Ecology And Evolution Of Distribution Patterns In Vernal Pool Annual Plant Populations.
Author | : Nancy Christine Emery |
Publisher | : |
Total Pages | : 302 |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Ecology and Evolution of Distribution Patterns in Vernal Pool Annual Plant Populations Book in PDF, ePub and Kindle
Author | : Subodh K. Jain |
Publisher | : |
Total Pages | : 102 |
Release | : 1976 |
Genre | : Closed ecological systems |
ISBN | : |
Download Vernal Pools Book in PDF, ePub and Kindle
Author | : Susan Harrison |
Publisher | : Univ of California Press |
Total Pages | : 461 |
Release | : 2011-02-02 |
Genre | : Nature |
ISBN | : 0520948459 |
Download Serpentine Book in PDF, ePub and Kindle
Serpentine soils have long fascinated biologists for the specialized floras they support and the challenges they pose to plant survival and growth. This volume focuses on what scientists have learned about major questions in earth history, evolution, ecology, conservation, and restoration from the study of serpentine areas, especially in California. Results from molecular studies offer insight into evolutionary patterns, while new ecological research examines both species and communities. Serpentine highlights research whose breadth provides context and fresh insights into the evolution and ecology of stressful environments.
Author | : Michael Barbour |
Publisher | : Univ of California Press |
Total Pages | : 734 |
Release | : 2007-07-17 |
Genre | : Science |
ISBN | : 0520933362 |
Download Terrestrial Vegetation of California, 3rd Edition Book in PDF, ePub and Kindle
This thoroughly revised, entirely rewritten edition of what is the essential reference on California’s diverse and ever-changing vegetation now brings readers the most authoritative, state-of-the-art view of California’s plant ecosystems available. Integrating decades of research, leading community ecologists and field botanists describe and classify California’s vegetation types, identify environmental factors that determine the distribution of vegetation types, analyze the role of disturbance regimes in vegetation dynamics, chronicle change due to human activities, identify conservation issues, describe restoration strategies, and prioritize directions for new research. Several new chapters address statewide issues such as the historic appearance and impact of introduced and invasive plants, the soils of California, and more.
Author | : Roger Cousens |
Publisher | : OUP Oxford |
Total Pages | : 240 |
Release | : 2008-03-06 |
Genre | : Science |
ISBN | : 0191538396 |
Download Dispersal in Plants Book in PDF, ePub and Kindle
This advanced textbook is the first to explore the consequences of plant dispersal for population and community dynamics, spatial patterns, and evolution. It successfully integrates a rapidly expanding body of theoretical and empirical research. · The first comprehensive treatment of plant dispersal set within a population framework · Examines both the processes and consequence of dispersal · Spans the entire range of research, from natural history and collection of empirical data to modeling and evolutionary theory · Provides a clear and simple explanation of mathematical concepts
Author | : Subodh K. Jain |
Publisher | : |
Total Pages | : 204 |
Release | : 1976 |
Genre | : Freshwater ecology |
ISBN | : |
Download Vernal Pools, Their Ecology and Conservation Book in PDF, ePub and Kindle
Author | : Christina Lee Owens |
Publisher | : |
Total Pages | : 230 |
Release | : 2008 |
Genre | : |
ISBN | : |
Download A Phytosociological Approach to Evaluating the Plant Communities in Created and Natural Vernal Pools at the Wurlitzer Ranch in Chico, California Book in PDF, ePub and Kindle
Author | : Gregor-Fausto Siegmund |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : |
ISBN | : |
Download Evolution and Ecology of Temporal Variability in Annual Plants Book in PDF, ePub and Kindle
The study of life histories focuses on how evolution molds the life cycles of organisms and on the consequences of those life cycles for the demography and ecology of organisms. Plants exhibit a fantastic array of life history strategies for coping with environmental variability, including delayed germination that creates long-lived soil seed banks and years of vegetative growth followed by a single bout of flowering. In my dissertation, I revisit classic questions about the evolution and ecology of life histories in annual plants under temporal variability. Why do seed banks evolve? How does variability affect population dynamics? Does plant development alter life history strategies? I approach these questions with a variety of methods, from analyzing empirical data to simulations and theory. In Chapter 1, I develop statistical models to estimate seed mortality and germination from field experiments that ecologists regularly use to study the soil seed bank. In the next two chapters, I apply these models to empirical data to ask questions about the evolution of delayed germination and the consequences of temporal variability in demography. In Chapter 2, I test whether bet hedging explains patterns of germination in populations of the winter annual plant Clarkia xantiana ssp. xantiana. Delayed germination is predicted to act as a bet hedging trait via a trade-off between arithmetic and geometric mean fitness. Using 15 years of observations for per-capita reproductive success and estimates of seed survival and germination from a field experiment, I find that some, but not all, populations exhibit the expected trade-off. Across populations, observed germination rates are also lower than expected based on a density-independent bet hedging model. I do not find empirical support for the predictions of bet hedging theory, which suggests that understanding the evolution of delayed germination in C. xantiana ssp. xantiana will likely involve addressing factors such as density-dependence and plasticity in germination. In Chapter 3, I ask how temporal variability in demography shapes stochastic population dynamics across the range of C. xantiana ssp. xantiana. The `abundant center' hypothesis for geographic range limits predicts that vital rates and population growth rates will vary more through time in populations at the range edge than at the range center. I analyze observations from field surveys and experiments, and show that the variability of vital rates shows individualistic, vital-rate specific geographic patterns, but that variability in population growth rate is greatest at the range edge. I also conduct perturbation analyses that suggest variability has a bigger effect on population growth rate at range edges. In this chapter, I describe geographic patterns of variability and elucidate the processes that generate those patterns-closing this loop is central to understanding how life history mediates the effect of temporal variability on populations. In Chapter 4, I study the influence of plant development on the evolution of flowering time in variable environments. In plants, flowering is a critical event in the life cycle in which resources are re-allocated from growth to reproduction and meristems switch from vegetative to floral fates. I develop life history models that explicitly represent resource and meristem dynamics, and analyze the models with methods from optimal control theory. I show that both resources and meristems shape optimal flowering strategies when plants experience variability in season length. My dissertation contributes to the study of plant life histories and expands our empirical and theoretical understanding of the role of seed banks and plant development.
Author | : |
Publisher | : |
Total Pages | : 960 |
Release | : 2007 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Steward T.A. Pickett |
Publisher | : Elsevier |
Total Pages | : 489 |
Release | : 2013-10-22 |
Genre | : Science |
ISBN | : 0080504957 |
Download The Ecology of Natural Disturbance and Patch Dynamics Book in PDF, ePub and Kindle
Ecologists are aware of the importance of natural dynamics in ecosystems. Historically, the focus has been on the development in succession of equilibrium communities, which has generated an understanding of the composition and functioning of ecosystems. Recently, many have focused on the processes of disturbances and the evolutionary significance of such events. This shifted emphasis has inspired studies in diverse systems. The phrase "patch dynamics" (Thompson, 1978) describes their common focus. The Ecology of Natural Disturbance and Patch Dynamics brings together the findings and ideas of those studying varied systems, presenting a synthesis of diverse individual contributions.