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Water resources in the Pacific Island Network (PACN) support rich and diverse ecosystems and aquatic communities that include corals reefs, anchialine pools communities (endemic to Hawaii), and freshwater stream communities. These water resources span a range of conditions from pristine to highly impaired water bodies. Both point and non-point sources impact the waters of many of our network parks at various locations to varying degrees. Aquatic resource protection is required by all the governments of the PACN, and water quality is widely used as an indicator of aquatic resource condition by...

Prior to conducting field work, observers are required to review the entire water quality protocol, including all SOPs listed in this protocol. Staff experienced in conducting this water quality monitoring protocol should review the protocol at least yearly. This SOP outlines steps to prepare for field work by ensuring the availability of proper equipment prior to the start of monitoring.

Appendixes---Water Quality Vital Signs Monitoring Protocol for the Pacific Island Network

Throughout the world, freshwater ecosystems are considered to be among the most vulnerable systems. In the isolated Pacific islands there are a relatively small number of native freshwater species, which are mainly endemic to these locations (found nowhere else in the world). These species are characterized by an amphidromous lifecycle; reproducing in the stream, with larvae drifting to the ocean and eventually returning to a stream as juveniles and spending the remainder of their lifecycle there. Throughout the region, native flora and fauna face significant threats from species...