Book contents
- Frontmatter
- Contents
- Preface
- 1 Introduction
- Part I The Earth System
- Part II Global Physical Climatology
- Part III Soil Processes
- Part IV Hydrometeorology
- Part V Biometeorology
- Part VI Terrestrial Plant Ecology
- 19 Plant strategies
- 20 Populations and communities
- 21 Ecosystems
- 22 Vegetation dynamics
- 23 Disturbances and landscapes
- 24 Global biogeography
- Part VII Terrestrial Forcings and Feedbacks
- Index
- Plate section
- References
19 - Plant strategies
from Part VI - Terrestrial Plant Ecology
- Frontmatter
- Contents
- Preface
- 1 Introduction
- Part I The Earth System
- Part II Global Physical Climatology
- Part III Soil Processes
- Part IV Hydrometeorology
- Part V Biometeorology
- Part VI Terrestrial Plant Ecology
- 19 Plant strategies
- 20 Populations and communities
- 21 Ecosystems
- 22 Vegetation dynamics
- 23 Disturbances and landscapes
- 24 Global biogeography
- Part VII Terrestrial Forcings and Feedbacks
- Index
- Plate section
- References
Summary
Chapter summary
A plant uses the carbon gained during photosynthesis for maintenance and survival, to grow new materials such as foliage or roots, and for reproduction. Nitrogen and other nutrients are required to support these processes, and a plant must allocate its limited available resources among growth, maintenance, and reproduction in a manner such that the species persists over time. Different strategies for allocating resources, collectively known as life history patterns, have evolved through natural selection that allow plant species to persist in certain environments. A successful strategy might be to invest heavily in reproductive effort. The plant could be small, short lived, and have copious, widely dispersed seeds, such as a herbaceous annual. An equally successful strategy might be to be large, long lived, and have a small crop of large seeds, such as a tree. This life history favors maintenance over reproduction. There are multiple life history patterns that allow success in a given environment, but not all are successful in all environments. The environment selectively determines which strategy is successful. These life histories ensure the persistence of multiple species across the landscape in accordance with resource gradients and disturbance regimes. They give pattern to the arrangement of plant populations and communities in space and time. Three conceptualizations of plant strategies are the classifications of species into: r- and K-selected life histories; ruderal, competitor, and stress tolerator plants; and early and late successional species.
- Type
- Chapter
- Information
- Ecological ClimatologyConcepts and Applications, pp. 275 - 291Publisher: Cambridge University PressPrint publication year: 2008