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How does decreasing salinity affect blackwater rivers?

In A blackwater river from sea to source: The White Oak River transect, page 2

All rivers that reach the sea have ocean water at their seaward ends, and freshwater at their sources. A trip up a river takes you along a gradient of salt concentration from near 3.5 percent (the average salinity, or salt content, of seawater) to zero. There...

By Dirk Frankenberg.

Sound to Sea Environmental Education Program

Learn about the interconnectedness of man and nature and explore complex ecosystems at this camp and conference center located on North Carolina's Outer Banks.

Format: article/field trip opportunity

Children's literature promotes understanding

Bibliotherapy and critical literacy are two ways to use books to help children better understand themselves, others, and the world around them. This article explains both strategies and provides resources for selecting appropriate books.

Format: article

By Melissa Thibault.

The lost landscape of the Piedmont

In Prehistory, contact, and the Lost Colony, page 5.5

The Piedmont region of North Carolina is unrecognizable compared to the landscape of 400 years ago. Where man-made lakes now sit were huge bottomland forests. While pine trees accounted for only a small percentage of Piedmont acreage, they now dominate the region's forests -- a result of clearing hardwoods to create farmland. Other once-prominent landscapes include areas of grassland known as “Piedmont prairie,” and upland depression swamps where the clay soils often kept moisture on the land’s surface.

Format: article

Intrigue of the Past

Lesson plans and essays for teachers and students explore North Carolina's past before European contact. Designed for grades four through eight, the web edition of this book covers fundamental concepts, processes, and issues of archaeology, and describes the peoples and cultures of the Paleoindian, Archaic, Woodland, and Mississippian periods.

Format: book (multiple pages)

The forest people

In Intrigue of the Past, page 3.3

Paleoindian culture died out across North America by 8000 BC. Archaeologists say this was bound to happen. The Ice Age had ended, the megafauna were extinct, and the boreal forests faded as deciduous ones spread across the East in the warmer climate. Faced with significant environmental changes, the Native Americans adapted. Archaeologists call their way of life and the time in which they lived Archaic.

The pottery makers

In Intrigue of the Past, page 3.4

Archaeologists do a bit of shrugging when asked about the Woodland—that time and lifeway tucked between 1000 BC and AD 1000. Some things they readily understand, but others leave them wondering.

The pathfinders

In Intrigue of the Past, page 3.2

An essay covering the pathfinders of the Paleoindian Period. Learn about the trek across Beringia and the lifeways of these early American Indians.

Resources on the web

EPA High School Environmental Center

A resource page that provides a great deal of useful information for high school students studying or wishing to learn more about the environment and what they can do to help protect it. Major topics include air, waste and recycling, conservation, water, ecosystems,... (Learn more)

Format: website/general

Provided by: Environmental Protection Agency