Abstract
Yosemite, Kings Canyon, and Sequoia national parks protect over 1,200 mountain lakes. These lakes provide healthy homes for plants and animals and supply clean water to downstream communities. These clear blue lakes are high up in the mountains, where they receive very low amounts of nutrients from the watershed. Nutrients help living things grow and be healthy. However, human activities from communities upwind are adding nutrients into the air. These nutrients travel on air currents to remote watersheds via rain, snow, and dry particles. They increase lake algae growth, which disrupts the balance of plants and animals. We conducted experiments to determine the amount of nutrients it takes to increase algae growth. We compared these levels to current lake nutrient concentrations and found that over half of the lakes had concentrations that were below the determined early warning point and just under half were at levels of higher concern.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
