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Nihoa

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Nihoa

Nihoa
A view of Nihoa from a ship
Nihoa is located in Pacific Ocean
Nihoa
Nihoa (Pacific Ocean)
Geography
Location Papahānaumokuākea Marine National Monument
Coordinates
Archipelago Northwestern Hawaiian Islands
Area 0.69 km2 (0.27 sq mi)
Country
United States
Demographics
Demonym Nihoan
Population 0

Nihoa (; Hawaiian: ), also known as Bird Island or Moku Manu, is the tallest of ten islands and atolls in the uninhabited Northwestern Hawaiian Islands (NWHI). The island is located at the southern end of the NWHI chain, 296 km (160 nmi) southeast of Necker Island. Nihoa is the closest NWHI in proximity to the eight main windward Hawaiian Islands at approximately 240 km (130 nmi) northwest of the island of Kauaʻi. The island has two peaks, 272 m (892 ft) Miller's Peak in the west, and 259 m (850 ft) Tanager Peak in the east. Nihoa's area is about 171 acres (0.69 km2) and is surrounded by a 142,000-acre (57,000 ha) coral reef. Its jagged outline gives the island its name, Nihoa, which means "tooth" in the Hawaiian language.[1]

The island is home to 25 species of plants and several animals, making it the most diverse island in the entire NWHI. Endemic birds like the James Colnett rediscovered the island in 1788, and Queen Kaʻahumanu visited it in 1822. It was made part of the Kingdom of Hawaii by King Kamehameha IV.

In 1909, Nihoa became part of the Hawaiian Islands Reservation, a federal wildlife refuge established by U.S president Theodore Roosevelt. The Tanager Expedition surveyed the island in 1923, taking a comprehensive biological inventory of its many species. In 1940, it became part of the Northwestern Hawaiian Islands Wildlife Refuge and in 1988, it was listed on the National Register of Historic Places due to its culturally significant archaeological sites. In 2006, it became part of the Papahānaumokuākea Marine National Monument. Efforts are underway to ensure that endangered plant species are propagated beyond their limited range and represented in ex situ collections. Persons intending to visit Nihoa for cultural and scientific research purposes require a USFWS-issued special-use permit to land on the island so as to reduce the risk of introducing alien species to Nihoa's already fragile ecosystem.

Contents

  • Geology 1
  • Ecology 2
  • Prehistoric human habitation 3
  • Early exploration 4
  • See also 5
  • Notes 6
  • References 7
  • Further reading 8
  • External links 9

Geology

Tanager Peak, looking east from Miller Peak

Nihoa is part of the Hawaiian – Emperor seamount chain of volcanic islands, atolls, and seamounts starting from the island of Hawaiʻi in the southeast to the Aleutian Islands in the northwest. It is the youngest of ten islands in the uninhabited Northwestern Hawaiian Islands (NWHI), having formed 7.2 million years ago; the oldest, Kure Atoll, formed 30 million years ago. Over the millennia, Nihoa has experienced significant erosion; along with Necker, French Frigate Shoals, and Gardner Pinnacles, Nihoa is one of only four islands in the NWHI that still has an exposed basalt rock substrate.[2] Six valleys slant down from north to south, meeting at the south side of the island: West Valley, West Palm Valley, Miller Valley, Middle Valley, East Palm Valley, and East Valley.

Among features on Nihoa are Dog's Head Peak (358 ft or 109 m), named for its likeness, and Pinnacle Peak (626 ft or 191 m), a volcanic dike created when less resilient rock was eroded away and harder rock was open to the elements. The only flat area on the island is Albatross Plateau, just below Miller's Peak. The Devil's Slide is a narrow cleft descending 700 feet (210 m) irrespective of the surrounding elevation. Extending northward from Albatross Plateau, it ends at the vertical cliffs with a 190-foot (60 m) drop straight down to the ocean below. In this chasm, rare ferns grow, along with several endemic species, including a giant cricket.[3]

Ecology

Nihoa's inaccessibility and lack of major guano deposits made the island unattractive to humans, helping to preserve its endangered, as one single disaster such as an island-wide fire or an introduction of invasive species could wipe out the whole population. One such invasive species is the gray bird grasshopper, Schistocerca nitens; from the period between 1999 and 2003, grasshoppers devastated much of the vegetation on the island and posed a real threat to the continued health of plants on Nihoa.[4] The following year, the numbers decreased and the vegetation became lush again. The grasshoppers probably came to Nihoa by way of wind from Kauai.

Unique species include:

Prehistoric human habitation

Nihoa Island Archeological District
View of Nihoa Island
Nearest city Kauai, Hawaii
Governing body United States Fish and Wildlife Service
NRHP Reference # 88000640[5]
Added to NRHP June 13, 1988

Nihoa was well known to the early Hawaiians. Archaeological expeditions found extensive prehistoric agricultural terraces and house sites.[6] At least one site has been dated to around the 1st millennium AD, sometime between 867-1037.[7] There is some doubt as to the number of people that lived on Nihoa, because while the large terraces suggest a considerable number, there is scant fresh water to be found. Archaeologists Kenneth Emory[8] and Paul Cleghorn[9] estimate that water could support as many as 100 people, although if the island were previously forested, this would have increased fresh water supplies relative to its current state. It is also thought that Nihoa may have been used only for religious purposes, which would have meant that Ancient Hawaiians only visited here occasionally and did not stay for long. Because of the island's importance, the island was added to the National Register of Historic Places in 1988, and subsequently became part of Papahānaumokuākea Marine National Monument in June 2006.

Nihoa, along with Necker Island to the northwest, is among the most northern, isolated, smallest and driest of the Hawaiian islands, and receives the lowest dust and tephra input. All of these features were found to strongly predict deforestation among the Pacific Islands. The collapse of the Nihoa population may stem from this, similar to how Easter Island became inclement to its human civilization following deforestation and depletion of seabirds and other natural resources.[10]

Early exploration

The first Westerner to discover Nihoa was Captain James Colnett of the Prince of Wales, on March 21, 1788. Due to Colnett's lengthy absence from England, including his imprisonment by the Spanish for his part in the Nootka Sound Incident, the discovery was once widely accredited to Captain William Douglas of the Iphigenia, who sighted Nihoa almost a year later.[11]

By the end of the 18th century, Nihoa had been forgotten by most Hawaiians. In 1822, Queen Kaʻahumanu and her husband King Kaumualiʻi traveled with Captain William Sumner to find Nihoa, as her generation had only known the island through songs and myths.[6] Later, King Kamehameha IV sailed there to officially annex the island as part of the Kingdom of Hawaiʻi. Finally, in 1885, Princess Liliuokalani made a pilgrimage to Nihoa with her escorts, but their luncheon was cut short when one of the party ignited a wildfire by accident. The group tried to flee the island, but the rising tides made it difficult and several boats were flooded, destroying some of the photographs taken.[12]

See also

Notes

  1. ^ Rauzon 2001, p. 8. Captain William Douglas, the second Western explorer to find Nihoa, describes the island as "[bearing] the form of a saddle, high at each end, and low in the middle. To the south, it is covered with verdure; but on the north, west, and east sides it is a barren rock, perpendicularly steep..."
  2. ^ Department of Forestry and Wildlife (2005). "Chapter 6: Northwestern Hawaiian Islands. Hawaii's Comprehensive Wildlife Conservation Strategy (CWCS)" (PDF).  
  3. ^ Rauzon 2001.
  4. ^ Liittschwager & Middleton 2005, p. 94
  5. ^ "National Register Information System". National Register of Historic Places.  
  6. ^ a b Tava 1998, pp. 102–103.
  7. ^ Hunt, Terry L.; Holsen, Robert M. (1991). "An Early Radiocarbon Chronology for the Hawaiian Islands: A Preliminary Analysis". Asian Perspectives 30 (1): 157.  
  8. ^  
  9. ^ Cleghorn, Paul L. (1988). "The settlement and abandonment of two Hawaiian outposts: Nihoa and Necker islands". Bishop Museum Occasional Papers (Bernice Pauahi Bishop Museum) 28: 35–49. 
  10. ^ Rolett, B.; Diamond, J. (2004). "Environmental predictors of pre-European deforestation on Pacific islands". Nature 431 (7007): 443–446.  
  11. ^ Rauzon 2001, p. 8.
  12. ^ Rauzon 2001, p. 12.

References

  • Conant, Sheila (1985). "Recent Observations on the Plants of Nihoa Island, Northwestern Hawaiian Islands". Pacific Science ( 
  • Evenhuis, Neal L. (ed.); Eldredge, Lucius G. (ed.) (2004). Natural History of Nihoa and Necker Islands. Bishop Museum Bulletin in Cultural and Environmental Studies; No. 1. Honolulu, Hawaii:  
  • Liittschwager, David; Middleton, Susan (2005). Archipelago: Portraits of Life in the World's Most Remote Sanctuary. National Geographic.  
  • MacDonald, Gordon A.; Peterson, Frank L.; Abbott, Agatin T. (1983). Volcanoes in the Sea: Geology of Hawaii (2nd edition).  
  • Tava, Rerioterai; Keale, Moses K. (1998). Niihau, the traditions of a Hawaiian island. Mutual Publishing.  
  • Rauzon, Mark J. (2001). Isles of Refuge: Wildlife and History of the Northwestern Hawaiian Islands. University of Hawaii Press. p. 12.  
  • United States Census Bureau. Nihoa Island: Block 1000, Census Tract 114.98, Honolulu County, Hawaii

Further reading

  • Beardsley, John W. (1966). "Insects and other terrestrial arthropods from the leeward Hawaiian Islands". Proc Hawaiian Entomol Soc 19: 157–185.  
  • Clapp, Roger B.; Eugene Krindler; Robert R. Fleet (May 1977). F. R. Fosberg, M. -H. Sachet and D. R. Stoddart., eds. "The Natural History of Nihoa Island, Northwestern Hawaiian Islands" (PDF). Atoll Research Bulletin (Washington, D. C.:  
  • Cleghorn, Paul L. (1987). Prehistoric Cultural Resources and Management Plan for Nihoa and Necker Islands, Hawaiʻi. Honolulu: Bishop Museum Press. 
  • Gagné, Wayne C.; Sheila Conant (1983). "Nihoa: Biological Gem of the Northwest Hawaiian Islands". Ka ʻElele. Newsletter of the Bernice P. Bishop Museum Association (Bernice P. Bishop Museum) (7): 3–5. 
  •  
  • Juvik, Sonia P.; James O. Juvik; Thomas R. Paradise (1998). Atlas of Hawaii. University of Hawaii Press.  
  •  
  • Lebo, Susan A.; Kevin T.M. Johnson (2007). "Geochemical sourcing of rock specimens and stone artifacts from Nihoa and Necker Islands, Hawiʻi". Journal of Archaeological Science (Elsevier) 34 (6): 858–871.  
  • Olson, Storrs L. (1996). Expedition of 1923 to the northwestern Hawaiian Islands, Johnston and Wake islands"Tanager"History and ornithological journals of the . Atoll Research Bulletin ( 
  • Palmer, H. S. (1927). "Geology of Kaula, Nihoa, Necker and Gardner Islands, and French Frigate Shoals". Bernice P. Bishop Museum Bulletin. Tanager Expedition Publication Number 4 35. 
  • Wong, Sterling (2008). "Nihoa". Ka Wai Ola (Office of Hawaiian Affairs) 25 (11): 12. 

External links

  • Pacific Islands Benthic Habitat Mapping Center
  • NWHI Multi-Agency Education Project
  • Peter T. Oboyski
  • Papahānaumokuākea Marine National Monument Information Management System

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