AGRICULTURE AND LAND DEGRADATION

OREGON STATE UNIVERSITY --- BIOLOGY 301 --- HUMAN IMPACTS ON ECOSYSTEMS Copyright 1998, Patricia S. Muir

Notes on land degradation related to agriculture follow. To help you find what you are looking for within this topic, notes are organized according to the outline below. You can click on the topic that you wish to jump to. When you have finished with a section, just click on ">>" to move to the following section in the notes, on "<<" to move to the preceding section, or on the box labeled "CONTENTS" to move back to the master directory for this home page. (Click on "Navigation" for more information on how to move about within and among these documents.)

Click on study guide to use the study guide covering agricultural issues and for additional references on this topic. Additional information related to land degradation, and ways to avoid it, can be found in the notes on sustainable agriculture.

Topic Outline:

I. What is land "degradation" and how much agricultural land is affected by it?

II. Causes of land degradation

A. Overgrazing

1. General concepts

2. Western public rangelands as example

B. Erosion

C. Irrigation issues

1. Salinization

2. Waterlogging

III. Levels of causation in land degradation

To move to a general definition of land degradation and discussion of how much land is affected, click on >> at the bottom of this page; for general reminders on how to move about within and among these pages, click "Navigate ."

Pages maintained by Patricia Muir at Oregon State University. Last updated Nov. 5, 2012.

contents.gifprev0.gifnext1.gif