Aquatic Insects

Plecoptera of Pennsylvania (Stoneflies)

Stoneflies of Pennsylvania

Trichoptera of Pennsylvania (Caddisflies)

Pennsylvania Aquatic Insects


U. S. Environmental Protection Agency
Water-related Pages

EPA's main home page provides access to a wide variety of environmental information.

Office of Water homepage


Index of Watershed Indicators. Watershed conditions.

Adopt a watershed program. The EPA wishes to enlist volunteers in the protection of the nation's water resources and in building a national catalog of organizations that are working to protect and restore their local watersheds. This catalog is available at this site and is searchable. New organizations can join the network online.

Office of Wetlands, Oceans, and Watersheds.  Top 10 watershed lessons learned.

Clean lakes homepage has a variety of information on the status of lake water quality, the Clean Water Act section 314 Clean lakes program, a list of free EPA publications as well as electronic copies of many EPA publications. EPA documents on line including a report of use of aquatic weevils in aquatic wed control. Training. Funding. Catalog of Federal funding sources for watershed protection. New developments. Help in finding organizations interested in protecting watersheds.. Dialogue with others interested in watershed activities. Dialogue.

Lakes of the World

Earth up Close (Alpha Centauri's Universe) This collection of several hundred satellite images of Earth includes many lakes, reservoirs, rivers, and deltas.

International Lake Environmental Committee Foundation

ILEC World Lake Database International Lake Environmental Committee Foundation. With morphometric data and photographs of lakes across the world.


Government Agencies

US Fish and Wildlife Service.

National Oceanic and Atmospheric Administration (NOAA).

Limnological Equipment

Aquatic Research Instruments. P.O. Box 93, Lenhi, ID 83465, 1-800-320-9482

Hydrolab Corporation manufactures electronic sampling equipment for limnology and oceanography.

Kahl Scientific Instrument Corp.  Instrumentation and equipment for limnology, oceanography, meteorology, hydrology.  

Sea-Bird Electronics, Inc.

Southern Micro Instruments

Turner Designs manufacturers flow-through field fluorometers for measuring chlorophyll and tracer dyes in water.


Oceanography and Marine Biology Comprehensive ocean science site.

Marine Biology WEB.  A page supporting Jeffrey Levinton's marine Biology text and course at SUNY-Stony Brook.

Scripps Institution of Oceanography, Oceanography on the Internet


Sea Lamprey Management Homepage of the US Fish and Wildlife Service


American Society of Limnology and Oceanography
Societas Internationalis Limnologiae
North American Lake Management Society
Ecological Society of America
International Association of Great Lakes Research
Phycological Society of America
North American Benthological Society

University, Non-Profit or Government Aquatic Pages

 EPA water resources site
 USGS groundwater site
 USGS water resources site
 University of Guelph (Canada) Great Lakes site
 University of Minnesota Itasca field station
 University of Ohio phytoplankton site
 University of Iowa lakeside laboratory
 Experimental Lake Area
 University of Michigan Biological Station
 NRRI water on the web site
 Copepod site
 More copepods
 Jim Cotner's homepage at University of Minnesota
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Physical Sciences Information Gateway