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PowerPoint Presentation Forest types • Boreal Forests: slow growing, cold, 1 2 year low light, shallow, immature, but mineral-rich soils Low plant and animal diversity Capable of sustained harvest, but low yield (slow growth) Unit XI Deforestation and the role of forests in the climate system B
Forest Products Utilization and Sustainable Development Let us first review the role of forests and forest products Forest and trees are major contributors to biodiversity Trees and forests mitigate green house gases emissions by absorbing carbon dioxide and storing carbon until the trees decays or is burnt, they provide a renewable source of energy as an alternative to fossil fuels
PowerPoint Presentation Learn why carbon is an important element in ecosystems, and how it cycles through ecosystems Gain skills in current carbon cycle research techniques Increase their ability to critically think about problems Understand the nature of science research
Forest Trends: Ownership, Markets, and Ecosystem Services About a third of the United States is forested—the fourth largest forest estate in the world The Forest Service manages about 20 percent of our nation’s forestlands in a system of national forests that stretch from Alaska to Puerto Rico It covers more than 193 million acres, an area almost twice the size of California
Are forests helping in the fight against climate change? When decomposition and respiration are greater than photosynthesis and more carbon is moving up into the atmosphere, the forest is a carbon source and NEE is a positive number This happens at night and during the winter when photosynthesis stops Pictures (left to right): Bill Munger photo credit
Guam Forest System Plan Strengthen the economy by sustainable use of forest products and protection of key forest ecosystem services such as flood abatement, erosion control, carbon fixation, and ecotourism
The Salmon Forest - Bureau of Land Management U S Department of the InteriorBureau of Land Management How are salmon connected to other biotic parts of the riparian ecosystem? Slide 5 Foxes and other animals move dead salmon into the forest and eat them Eagles and bears eat adult salmon returning to spawn Macroinvertebrates eat dead salmon in the waterway The model salmon forest is