Cargando…

Forest Soils : Properties and Processes.

This is a comprehensive study of forest soils for foresters, wildlife and park managers, ecologists, and others interested in forest soils. It provides a valuable text for introductory and more advanced courses.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Armson, Ken
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Toronto : University of Toronto Press, 1977.
Colección:Heritage.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Contents
  • Preface
  • Introduction
  • 1 Forest soil: what it is and how to describe it
  • A look at soil
  • The description of a soil
  • 2 The architecture of soil: texture, structure, and porosity
  • Soil texture
  • Determination of soil texture
  • Stones
  • Soil structure
  • Origin of soil structure
  • Soil consistence
  • Soil porosity
  • Measurement of soil porosity
  • 3 Colour, temperature, and aeration
  • Soil colour
  • Measurement of soil colour
  • Soil temperature
  • Soil temperature regimes
  • Snow and frost
  • Soil aeration
  • Measurement of soil aeration
  • Soil aeration regimes
  • 4 Soil water: the lifeblood of soil
  • Energy relationships of water
  • Movement of water in soil
  • Movement in layered soils
  • Soil water measurement
  • Soil moisture regimes
  • 5 Soil organic matter
  • The type and amount of organic matter
  • The form and composition of litter
  • Energy transformations and decomposition of litter
  • The forest floor
  • 6 Soil biology: organisms and processes
  • Soil fauna
  • The measurement of soil animals
  • Kinds of animals
  • Soil microflora
  • The estimation of microflora populations and their activities
  • Bacteria
  • Actinomycetes
  • Fungi
  • Algae
  • The rhizospere
  • 7 Soil chemistry
  • Weathering of soil materials
  • Physical
  • Chemical
  • Clay minerals
  • products of weathering
  • Cation exchange capacity
  • Measurement of cation exchange capacity
  • Anion exchange
  • Soil reaction
  • pH
  • Measurement of soil reaction
  • Soil elements
  • Carbon
  • Nitrogen
  • Phosphorus
  • Potassium
  • Calcium and magnesium
  • Sulphur
  • Iron and aluminium
  • Manganese
  • Trace elements
  • Oxidation-reduction
  • 8 Soil fertility
  • Essential elements
  • Measurement of soil fertility
  • Elements in plants
  • Elements in the soil
  • Plant growth
  • Plant-soil relationships
  • Diagnostic and predictive techniques.
  • Visual symptoms
  • Comparative chemical analyses
  • Mathematical relationships
  • General fertility considerations
  • Fertilizer materials and their use
  • 9 Soil classification
  • History
  • Units of soil and classification
  • The 7th approximation and soil taxonomy
  • a world system
  • The basis
  • Diagnostic horizons
  • Categories
  • The Canadian soil classification system
  • Categories
  • Family and series
  • 10 Soil surveys
  • Soil surveys and the landscape
  • Examples of soil surveys
  • Comprehensive land surveys
  • General soil survey
  • USDA
  • General soil survey
  • Canada
  • Forest soil survey
  • Japan
  • Boreal forest soil survey
  • The Netherlands
  • a large-scale survey
  • Interpretation and use of soil surveys
  • 11 Roots and soil
  • Form and abundance of roots
  • Methods of study
  • Forms of roots
  • Rooting volume of the soil
  • Amounts and development of roots
  • Root growth and soil properties
  • Ecological and silvicultural aspects of roots
  • 12 Fire and soil
  • Effects of fire on forest soil properties
  • Physical properties
  • Chemical properties
  • Soil organisms
  • Ecological effects
  • 13 The hydrolic cycle
  • The water cycle
  • General considerations
  • Measurements
  • Effects of soil properties
  • Effects of vegetation
  • Forest management effects
  • 14 Nutrient cycling
  • General considerations
  • Nutrient inputs and outputs
  • Atmospheric
  • Geologic
  • Biologic
  • Internal cycling in the forest and soil
  • The forest
  • The soil
  • Nutrient cycling in relation to certain ecological and silvicultural considerations
  • 15 Forest soil development
  • Factors of soil development
  • Processes of soil development
  • Additions
  • Losses
  • Translocation
  • Transformation
  • Conclusions
  • 16 Soils and changing landscapes and use
  • Soils and landscapes
  • Geologic
  • Vegetation
  • Cultural
  • The New Forest
  • a case history.
  • Location, area, and geology
  • Settlement, culture, vegetation, and soils
  • L'envoi
  • Appendix 1 Procedures for soil profile description and sampling
  • Soil profile description
  • Soil sampling procedures
  • Methods of sampling
  • Numbers of samples
  • Appendix 2 Common and scientific names of trees and shrubs
  • References
  • Index
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • K
  • L
  • M
  • N
  • O
  • P
  • R
  • S
  • T
  • U
  • V
  • W
  • Y.