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Understanding Rangelands: Management, Overgrazing, and Sustainable Practices

Rangelands are unfenced grasslands in temperate or tropical climates, crucial for providing forage for grazing animals like cattle, sheep, and goats. However, overgrazing can lead to reduced grass cover, soil erosion, and ecological imbalances. Conversely, undergrazing decreases the net primary productivity of grasslands. Conservation easements help protect these lands by preventing development, while sustainable maintenance practices include controlling livestock grazing intensity and employing rotational grazing techniques. Effective management ensures healthier ecosystems and enhanced productivity.

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Understanding Rangelands: Management, Overgrazing, and Sustainable Practices

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  1. Chapter 10 Section 3 Questions By: Niall Martin, Cassidy McDonald, Claudia Noonan

  2. What are rangelands? • Unfenced grasslands • Temperate or Tropical climates • Supply forage, or vegetation, for grazing and browsing animals. • 42% of the grassland is grazed on by cattle, sheep, and goats. What are pastures?? • Manage grasslands or enclosed meadows • Planted with domesticated grasses or other forage

  3. What is Over grazing? • Plants are exposed to intensive grazing • Extended periods of time • Without sufficient recovery periods • Caused by livestock in poorly managed agricultural applications What Problems Arise? • Reduces grass cover • Exposes soil to erosion • Compacts the soil • Enhances invasion of foreign species cattle will not eat

  4. What Problems arise from Under grazing? • Reduces the net primary productivity of grassland vegetation and grass cover What Are conservation easements? • Land trust groups will pay ranchers for deed restrictions that bar future owners from developing the land. • Pressure on government to prevent large scale development on fragile land

  5. How can Rangelands be maintained sustainably? • Control the amount of cattle and how long they graze so the carrying capacity will not exceed. • Rotational grazing- confined in a fenced area for a short period of time and then moved. • Suppress to growth of invader plants and replanting of more useful plants - Burning, herbicide, trampling

  6. Thank You

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