In this lesson, our instructor Bryan Cardella gives an introduction on forests, parks and the wilderness. He discusses forests in the United States, the worldwide effects of forests, ecology of forests, forest management, harvesting forests, clear cutting, plantations, sustainability, deforestation, parks verse nature reserves, conflicts related to parks, and wilderness.
Humans’ existence has always been closely related to forests. The practice of growing trees professionally is known as silviculture. There are a lot of crucial questions to consider regarding how we maintain forests and how they should sustain us
Forests cover much of the U.S. and the world as a whole. They make light reflect differently on the Earth (changes in albedo), affect the carbon and water cycles, and change the surface roughness of our planet
Each individual tree species (white birch, balsam fir, Douglas fir, giant sequoia) has its own niche with its preferred terrain and water availability
Forest management involves stands that are even-aged or uneven-aged. Forests can be old-growth or second-growth
Site quality has an affect on the harvest quality. Harvesting can be clear-cutting, selective cutting, strip cutting, shelterwood cutting, or seed-tree cutting
Clear-cutting is not ideal because it contributes to more erosion, significant changes in chemical cycling, more exposure to sun/rain, and process of decay and runoff are accelerated
Plantations are made of a stand of trees planted in straight rows, usually maintained by fertilization
Sustainability of silviculture, certification of forestry, and unsustainable forests are also important parts of the forestry discussion
Deforestation results in an annual loss of 5-6 million hectares worldwide, which results in more erosion, runoff, floods, and sediment ending up in the water supply. Deforestation happens mostly due to clearing land for construction and obtaining raw materials for lumber/paper/fuel
Parks are areas set aside by people with definite boundaries, usually for the enjoyment and recreation involved with a natural setting. Nature preserves are similar but they usually have more emphasis on conserving some particular resource
Parks provide a wide variety of services to people, but there are many topics to debate: size/access/types of activities, dangers of people interacting with nature and vice versa, and how much land should be devoted to the making of parks and nature preserves
Wilderness and wildness are two different concepts related to environmental science
Forests, Parks, & the Wilderness
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
This book includes a comprehensive review of the key AP Environmental Science concepts and targeted strategies for acing every section of the exam. Additionally, the book includes two full length practice tests with full answer explanations.
This book is an updated manual that offers a brand-new diagnostic test to pinpoint the test taker's strengths and weak areas, two full-length practice exams with all questions answered and explained, a detailed review of all test topics, supplemented with practice questions and quizzes with answers, an overview of the test plus helpful test-taking strategies, and hundreds of diagrams and illustrations .