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An overview of harmful algal blooms, with a special focus on blooms in flowing waters like the Hudson River.
We are studying streams, rivers, and lakes across the US and around the world to understand how they are responding to threats like climate change, salinization, algal blooms, and novel contaminants. Our findings guide effective management.
How does the Hudson River ecosystem respond to different types of changes over time? Are these changes permanent, and how will the ecosystem respond?
This lesson introduces students to the concept of the Critical Zone, and how it can be influenced by “urban” factors.
This lesson uses synoptic data collected in March 2022 along the Pennypack stream in Philadelphia, PA. Students investigate land maps to determine potential explanations for trends evident in the data.
This lesson investigates concentrations of three greenhouses gases (CO2, CH4, and N2O) between 2021-2024 in Dead Run (Baltimore County, MD). Students analyze data collected by Urban Critical Zone researchers, and investigate natural and anthropogenic sources of the gases and consider why it’s important to study fluctuations in these gases.
This lesson analyzes multiple stream chemistry parameters from three different Urban Critical Zone research watersheds. Students can use CODAP or premade graphs to investigate parameter concentrations from site to site, form north to south, and within a watershed. Students have an opportunity to become “experts” in one parameter and to communicate what they learn to their classmates.
These data come from monitoring on the Phenology Trail at Cary Institute of Ecosystem Studies from 2009 to present.
Phenology data from Cary Institute’s Fern Glen on timing of emergence of spring forbs from 2014-2022.
Understanding how human activity influences the Hudson is a prime concern for the maintenance of the river, especially as the human population grows.
In this dataset, you can explore how trends have changed related to milk production and sales in New York over time, as well as compare the environmental impact of milk production vs. apple production.
Air quality refers to the health and safety of the atmosphere and is determined based on the amount of pollutants in the air. In this dataset, students can explore how air pollution has changed over time in the USA and in New York.
Air pollution from traffic can be a major problem in many parts of the world. This dataset examines how traffic congestion and associated pollutants are related to the demographics of the populations that live near traffic.
This dataset contains information on the number of European honey bee colonies, the use of pesticides, and the acres of Bt Corn planted in the USA since 1939.