What are Phragmites and why are they a Problem?

Non-native Phragmites, also known as common reed, is a perennial, aggressive wetland grass that displaces native plant and animal species. Invasive Phragmites is one of the most widespread plants on Earth and is found worldwide. In the U.S. it grows in the eastern states particularly along the Atlantic Coast and increasingly across the Midwest and…

Freshwater supports all terrestrial biodiversity

                    NWNL Hydro-graphics are created by Jenna Petrone.

What are anadromous fish?

Tomorrow is World Fish Migration Day (WFMD). The ancient migration story of fish ascending rivers from oceans to breed is miraculous.  Such fish - called anadromous, from the Greek word  “anadramein” meaning “running upward” - include salmon, steelhead, shad, sturgeon, lamprey in the Pacific Northwest; and shad, sturgeon, alewives and herring along the US East…

Ethiopia: Dams threaten Indigenous communities, Omo Valley, Lake Turkana

http://youtu.be/oAxVrUV9tbs A Cascade of Development on the Omo River by International Rivers, with photos by Alison M. Jones, 2014 (11:19). This film outlines how Ethiopia’s new Gibe Dams will cause a 70% water-level reduction over the next 3 years - and thus drastically impact Ethiopia’s Omo River, its Lake Turkana terminus in Kenya, and ½…

Meander Scars of the Great Mississippi

As we've learned on expedition, paths will change, unexpected twists and turns are inevitable. Over time, the Mississippi River too, has changed its course, so beautifully depicted in Harold Fisk's hand-colored maps from 1944 in a report for the US Army Corps of Engineers. This twisted timeline of rainbow ribbons go as far back as…