Content tagged "forest ecosystems"

Urban Forests: Environmental Benefits

Shade is one of many environmental benefits trees provide. Urban forests are made up of the trees that exist in urban or suburban landscapes. An urban...

Invasive Species in Forests

The kudzu vine, pictured here growing on trees in Atlanta, Georgia, is an invasive species brought to the United States from Japan and initially planted in...

Diversity in the Forest Understory

Climate, Forests and Woodlands Updated: October 22, 2015

The understory of a forest is made up of the trees, shrubs, and herbaceous plants that exist below the canopy. In general, the forest understory makes up the...

Microflora and Fauna in Forests

Climate, Forests and Woodlands Updated: October 22, 2015

Written by Peter Kolb, Montana State UniversityForests (Figure 1) are composed of many trophic levels that include primary producers: large and dominant...

The Hydrologic Cycle

Climate, Forests and Woodlands Updated: October 22, 2015

The hydrologic cycle, or water cycle (Fig. 1), explains how water is moved from the earth to the atmosphere. Water moves to the atmosphere as water vapor...

Plantation Forests and Climate Change

Climate, Forests and Woodlands Updated: October 20, 2015

Written by Amy Grotta, University of Oregon Plantation forests are a type of managed forest in which the trees are planted (as opposed to naturally...

Invasive Forest Plants

On October 2, 2015, this content was automatically unpublished and marked as inactive. Please feel free to rework this page, along with properly indicating...

Understanding Soils in Forests

Climate, Forests and Woodlands Updated: October 05, 2015

Soil is an important component of forest and woodland ecosystems as it helps regulate important ecosystem processes, such as nutrient uptake, decomposition,...

Forest Management Types

Climate, Forests and Woodlands Updated: October 05, 2015

PForest ecosystems are made up of dozens of species and life forms, with sometimes complex patterns of vertical and horizontal structure. Across a large...

Oak Decline

Invasive Species Climate, Forests and Woodlands Updated: September 01, 2015

Oak decline is the name given to a slow-acting disease complex stemming from interactions between biotic and abiotic stressors of oaks (Quercus spp.)....

Watersheds and Vegetation

Climate, Forests and Woodlands Updated: September 01, 2015

The relatively dense stands of vegetation found along channels form in response to available moisture in watersheds. Vegetation typically colonizes channel...

Landowners Can Apply Strategies to Help Forests Adapt to Climate Change

Climate, Forests and Woodlands Updated: September 01, 2015

 Forest vulnerability is expected to increase in decades to come, according to a draft of the National Climate Assessment released in January of 2013. The...

Dynamics of Nutrient Cycling

Climate, Forests and Woodlands Updated: September 01, 2015

Plants require four factors for growth and reproduction: light, water, the right temperature, and nutrients. Plant nutrients are chemical elements that are...

Mimosa - Albizia julibrissin

A mimosa infestation favors disturbed sites, where they can grow quickly and prevent native plant establishment.  Image credits: forestryimages.org.Mimosa,...

Water Balance

Climate, Forests and Woodlands Updated: April 09, 2015

Water balance is a method of book keeping used to summarize the amount of water cycling from the atmosphere, across land surfaces, into the ground, through...

Insects in Forests

Climate, Forests and Woodlands Updated: March 18, 2015

Written by Peter Kolb, Montana State University Insects perform many roles within forests as pollinators, herbivores, carnivores, decomposers, and food...

What Makes a Tree Unique?

Climate, Forests and Woodlands Updated: March 17, 2015

A tree is a plant with a tall structure comprised of a stem and branches to support leaves and a root system than anchors the stem as well as procures and...

Biodiversity in Forests

Climate, Forests and Woodlands Updated: March 16, 2015

Biodiversity refers to the range of life forms and species that exist within a given ecosystem. Different forest types have varying degrees of biodiversity....

Basic Soil Components

Climate, Forests and Woodlands Updated: January 21, 2015

Written by Tom DeGomez, University of Arizona, Peter Kolb, Montana State University, and Sabrina Kleinman, University of ArizonaA soil is simply a porous...

Sudden Oak Death in the Eastern United States

 Sudden oak death, caused by the pathogen Phytophthora ramorum, is a potentially devastating disease. P. ramorum has been found in nurseries in California,...

Forest Ecosystems

Climate, Forests and Woodlands Updated: April 18, 2012

Forest ecosystems are the combination of species, geology, topography, and climate tied together by physical and biotic processes specific to any one site,...

Tree-Climate Interactions

Climate, Forests and Woodlands Updated: April 10, 2012

Tree-climate interactions essentially determine where tree species can naturally occur. The genetic processes that direct and create a certain tree species'...

Tree Species

Climate, Forests and Woodlands Updated: April 10, 2012

Tree species can be identified in many ways, including by visible and genetic attributes. As with all biological organisms, tree taxonomists use the Linnaean...

Tree Genetics

Climate, Forests and Woodlands Updated: April 10, 2012

Tree genetics is the study of tree genes – the units of transmission of hereditary characteristics within trees. Each gene is usually a segment of a DNA or...

Tree Growth

Climate, Forests and Woodlands Updated: April 10, 2012

Tree growth is determined by a tree species' ability to obtain sunlight, water, nutrients, and air in a specific climate. Each tree species has evolved over...

Connect with us

  • Twitter
  • Facebook
  • YouTube
  • Pinterest
  • Google+

Welcome

This is where you can find research-based information from America's land-grant universities enabled by eXtension.org

LOCATE

Latest Tweets

USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.