Aloha, Talofa, Greetings, Tirow, Hafa adai

There are many ways to welcome you to the National Park Service's only island network, which spans thousands of miles in the tropics of the south and central Pacific Ocean.

Dotted with a handful of national park units, the Pacific Island Inventory & Monitoring Network includes 11 protected areas on the naturally and culturally rich islands and archipelagoes of Hawai‘i, American Samoa, Guam, and the Northern Mariana Islands.

The Pacific Island Inventory & Monitoring Network is one of 32 National Park Service I&M Networks across the country that conduct natural resource inventories and long-term monitoring. 

Explore these pages to learn more about the information we gather and what we're learning about America's parks in the Pacific.

What We Monitor at Haleakalā National Park
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      Duration:
      6 minutes, 32 seconds

      Pacific Island Network I&M staff perform inventory and monitoring in remote areas of Haleakalā National Park

      Coral bleaching in the Pacific
      Tracking Coral Reef Health

      Results from the most recent surveys reveal varying changes in coral cover at each park in the Pacific.

      Snorkeler in Waikolu Stream
      A Win for Science and Stream Protection

      Waikolu Stream in Kalaupapa National Historical Park provides critical habitat for endemic Hawaiian species.

      Hawaiʻi ʻAmakihi
      Tracking the Spread of Avian Malaria

      Hawai'i 'amakihi being tested for avian malaria. The malaria parasite is passed to birds through the bite of non-native mosquitoes.

      Pacific Kingfisher
      Rare Bird Species Detected

      Rare species detected during forest bird surveys in the National Park of American Samoa.

      Kahili ginger
      Scientists Examine Non-native Plants

      Invasive species represent one of the main threats to vulnerable island biodiversity.

      Stunning views from Kalaupapa National Park
      Parks & Partners

      Learn about the work we're doing in parks

      A threatened i‘iwi honeycreeper sits perched atop an endemic ‘ōhi‘a tree.  Photo by JH
      What We Inventory

      Basic inventories of natural resources provide a starting point for long-term monitoring

      PACN I&M trained staff perform monitoring in War in the Pacific National Historical Park
      What We Monitor

      Monitoring helps determine the overall health and condition of park resources

      Last updated: December 19, 2024