Eutrophication
Tracing Nutrient Pollution Back to Penns Creek
Visual Environmental Education Guide
Negative Consequences of Eutrophication
guidetolivingnaturally.wordpress.com
vtmagazine.vt.edu
Chesapeake Bay
A satellite image of
Chesapeake Bay
(lower) and Delaware
Bay (upper) in the
Middle Atlantic Bight
umces.edu
Algae in the Chesapeake Bay
Image from Ben Marsh
http://www.water-research.net/phosphate.htm
Changes in Land use and Population in the
Chesapeake Bay Watershed
Image from W. M. Kemp
Summer Hypoxic Dead Zone
Image from W. M. Kemp
Relative contributions of flow and nutrient load from
tributaries entering Chesapeake Bay
U.S. Department of the Interior, USGS
Chesapeake
Bay
Lowersusquehannariverkeeper.org
Nutrient and Sediment Pollution in the Susquehanna River
Temperature and Dissolved Oxygen in the Susquehanna
Temperature – Red Line
Dissolved Oxygen – Green Line
Penns Creek
Penns Creek’s
confluence with
the Susquehanna
Nutrient and Sediment Pollution in Penns Creek
Local Example of Eutrophication
Image from Ben Marsh
A Local Eutrophic Pond
Image from Ben Marsh
Algal Communities in Penns Creek
Percent Cocconeis, the dominant genus in the microslide diatom community.
Snydercountry.org
Map of the study area showing the distribution of the 12 study sites
Snydercountry.org
A Local Example of Poor Farming Practices
Image from Ben Marsh,
A Local Example of Poor Farming Practices
Image from Ben Marsh
A Local Example of Poor Farming Practices
Image from Ben Marsh
Local Farm Spreading Manure
Image from Ben Marsh
Best Management Practices
After: The same stream bank after
BMP (Best Management
Practice) implementation,
including installed fencing,
livestock crossing, and treeplanting.
Before: A stream bank damaged
from livestock grazing
Voicesweb.org