Forest soils : properties and processes / K. A. Armson.

Format:

Book

Author/Creator:

Armson, K. A., author.

Series:

Heritage

Language:

English

Subjects (All):

Forest soils.

Physical Description:

1 online resource (407 p.)

Edition:

1st ed.

Place of Publication:

Toronto, [Ontario] ; Buffalo, [New York] : University of Toronto Press, 1977.

Language Note:

In English.

Summary:

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.

Contents:

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

Family and series

10 Soil surveys

Soil surveys and the landscape

Examples of soil surveys

Comprehensive land surveys

General soil survey

USDA

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 hydraulic cycle

The water cycle

General considerations

Measurements

Effects of soil properties

Effects of vegetation

Forest management effects

14 Nutrient cycling

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

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.

Notes:

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-4426-5633-6

OCLC:

929153367