What is the Ocean Health Index?
The Ocean Health Index ('OHI') is a scientific framework used to measure how healthy oceans are. Understanding the state of our oceans is a first step towards ensuring they can continue providing humans benefits now and in the future.Learn more Download data Visit our overview website oceanhealthindex.org
Where have OHI assessments been done?
We've led global OHI assessments of 220 coastal nations and territories every year since 2012, and also lead OHI assessments at smaller scales.
Additionally, we share code and provide training and support for independent groups interested in leading their own OHI assessments. These are called independent OHI assessments, or 'OHI+ assessments'.
Learn more about OHI+ View all assessments View publications
Open data science for marine science and management
The OHI is transforming the way marine science streamlines with coastal management by leveraging practices and tools from open science and data science. We work openly online and have shared our story in publications and blogs. We teach these practices and tools to groups leading OHI+ assessments.Better science in less time
How do I get started?
While located in the middle of the Pacific far from the world’s large population centers, Samoa’s oceans are not immune to the impacts of global issues such as sea level rise, ocean acidification, habitat destruction, and overfishing. With a strong connection to the ocean deeply ingrained in the way of life in Samoa, sustainable ocean management remains a necessity to preserve culture and livelihoods.Read More...