Ch. 13 Notes

Ch. 13 Notes - Reading Study Guide Ch 13 Wildlife and...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Reading Study Guide Ch. 13 Wildlife and Farmlands 1. Agriculture: a brief history 1. 4 Agricultural Revolutions 1. @10,000 ybp Neolithic Age - wild plants and then some wild animals became domesticated. People were no longer nomadic hunter-gatherers, they became settled farmers. 2. 1400's Period of Exploration and Discovery - worldwide exchange of crop plants, domestic animals, and human-commensal animals. 3. 1900's Industrial Revolution - brought the use of steam power fossil fuels and farm mechanization. Changed the nature of farming to large scale Agri-business, monocultures. 4. Today Technological Revolution - advances in chemistry and genetics brought extensive use of Agricultural chemicals and the genetic manipulation to produce resistant productive strains of crop plants. 2. What's happened to farms and farmland ? 1. Historical overview in North America 1. initial conversion of native ecosystems (forest-grassland) to farmland changed the numbers and kinds of wildlife associated with the land. Good for agricultural 'edge' species like bobwhite, pheasants… 2. gradual reversion of abandoned family farms 1930's + led to old field succession good for white-tailed deer and other mid- successional species. Continued succession towards climax led to decline in mid-successional habitats. 3. mechanization - led to broad scale changes and 'clean farming' with large monocultures less edge (less interspersion) and little to no cover from fencerows etc. 1.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/14/2010 for the course AGSC 2301 taught by Professor Middleton during the Spring '09 term at Texas Tech.

Page1 / 3

Ch. 13 Notes - Reading Study Guide Ch 13 Wildlife and...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online