SPECIES INVASIONS: Water Hyacinth and Zebra Mussels

By Bianca T. Esposito, NWNL Research Intern (Edited by Alison M.  Jones, NWNL Director) Bianca T. Esposito is a Syracuse University senior studying Biology and Economics. Her summer research for NWNL was on biodiversity and water resources. Her past NWNL blogs are:  Wild v Hatchery Salmon; Buffalo & Bison; Papyrus & Phragmites; & Deer & Elephants. INTRODUCTION Invasive…

Aswan High Dam Leaves an Environmental Legacy

by Joannah Otis for No Water No Life This is the second our blog series on "The Nile River in Egypt" by NWNL Researcher Joannah Otis, sophomore at Georgetown University. Following her blog "Finding Hapi-ness on the Nile," this essay addresses perhaps the greatest elements of change created thus far by humans along the Nile. [NWNL…

Even invasive species can be beautiful

Water hyacinth (Eichhornia crassipes) is one of the world's worst aquatic weeds. It is characterized by rapid growth rate, extensive reproductive output and broad environmental resistance. It creates dense mats of vegetation that restrict oxygen in water, causing deterioration in water quality, fish mortality and declining biodiversity. A healthy acre of the plant can weigh…