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Litter was collected from two marsh plants: Phragmites australis (common reed) and Typha angustifolia (cattail). Microbial productivity was measured for both bacteria and fungi.
Using sediment cores collected from deep below the surface of seas and lakes, scientists can analyze things like macrofossils, temperature, pollen, and more from thousands of years ago.
The Cary Institute's Environmental Monitoring Program provides information about current conditions and long-term trends.
The United States Geological Survey (USGS) has a network of real-time monitoring stations located along many waterways in New York State.
The National Oceanic and Atmospheric Administration (NOAA) collects temperature and precipitation data from around the world and displays it on their Climate at a Glance website.
These data show the populations of Atlantic silversides, blue crabs, ctenophora (comb jellies), striped bass, banded killifish, pumpkinseed fish, spottail shiners, and sunfish compared to dissolved oxygen (DO) in the Hudson River.
The Hudson River Environmental Conditions Observing System (HRECOS) is a network of real-time monitoring stations along the Hudson River. This network includes several stations from the New York/New Jersey harbor up to Schodack Island.
These data show the fecal indicator bacteria (Enterococci) and rainfall amounts at five sites along the Hudson River.
These data show the salinity (salt) levels at seven sites along the Hudson River.
Zebra mussels were first detected in the Hudson in 1991. By 1992 they had spread throughout the freshwater and slightly brackish parts of the estuary and had a biomass greater than the combined biomass of all other consumers.
Zebra mussels were first detected in the Hudson in 1991. By 1992 they had spread throughout the freshwater and slightly brackish parts of the estuary.
Trapa is a floating invasive species that was introduced to the Hudson River. Vallisneria is a submersed (underwater) native species in the Hudson River.
Wastewater enters the Hudson River from point sources including municipal and industrial wastewater treatment plants, combined sewer overflows, urban storm water, and tributaries of the Hudson River such as Fishkill Creek.
Dissolved oxygen (D.O.) is an important measure of water quality and can be used to predict information about the local community of organisms.
This dataset provides data on PCBs in four species of Hudson River fish collected from various locations in the Hudson over 10 years (2001-2011).
Healthy aquatic habitats usually have dissolved oxygen levels at or above 80% saturation. Most fish and other organisms cannot live below 30% dissolved oxygen saturation, which is considered hypoxic.