Kealia Pond National Wildlife Refuge is a
coastal
The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in n ...
salt marsh
A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. It is dominated ...
along the south-central coast of
Maui, Hawaii
The island of Maui (; Hawaiian language, Hawaiian: ) is the second-largest of the islands of the state of Hawaii at 727.2 square miles (1,883 km2) and is the List of islands of the United States by area, 17th largest island in the United S ...
. The refuge is located between the towns of
Kihei
Kihei ( haw, Kīhei, ) is a census-designated place (CDP) in Maui County, Hawaii, Maui County, Hawaii, United States. The population was 21,423 at the 2020 United States Census, 2020 census.
Geography
Kihei is located at (20.759122, −156.45722 ...
and
Maalaea, on both sides of North Kihei Road, Route 31. The wetland is also a
bird sanctuary
An animal sanctuary is a facility where animals are brought to live and to be protected for the rest of their lives. Pattrice Jones, co-founder of VINE Sanctuary defines an animal sanctuary as "a safe-enough place or relationship within the cont ...
, home to 30 species of
waterfowl
Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which in ...
,
shorebird
245px, A flock of Dunlins and Red knots">Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots
Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflat ...
s, and
migratory duck
Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a form t ...
s, including the ''aukuu'' (
black-crowned night heron
The black-crowned night heron (''Nycticorax nycticorax''), or black-capped night heron, commonly shortened to just night heron in Eurasia, is a medium-sized heron found throughout a large part of the world, including parts of Europe, Asia, and N ...
, ''Nycticorax nycticorax hoactli'') and the
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
''āeo'' (
Hawaiian stilt
The Hawaiian stilt (''Himantopus mexicanus knudseni'') is an endangered Hawaiian subspecies of the black-necked stilt (''H. mexicanus'') species. It is a long-legged, slender shorebird with a long, thin beak. Other common names include the Hawai ...
, ''Himantopus mexicanus knudseni'') and ''alae kea'' (
Hawaiian coot
The Hawaiian coot (''Fulica alai''), also known as the alae ke'oke'o'' in Hawaiian, is a bird in the rail family, Rallidae, that is endemic to Hawaii. In Hawaiian, ''alae'' is a noun and means ''mud hen''. ''Kea'' or its synonym ''keo'' is an ad ...
, ''Fulica alai'').
[James 2001, pp. 71-72] Kealia Pond was selected as a
wildlife refuge
A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...
in 1953, protecting an initial of land.
[Clark 1989, pp. 50-51] The refuge joined the
National Wildlife Refuge System
National Wildlife Refuge System is a designation for certain protected areas of the United States managed by the United States Fish and Wildlife Service. The National Wildlife Refuge System is the system of public lands and waters set aside to c ...
in 1992.
Description
In the rainy winter season, high water levels enlarge the freshwater pond to more than .
By spring, water levels begin dropping
and by summer, the pond shrinks to half its winter size, leaving a
salt
Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantitie ...
y residue behind: this accounts for its name, "Kealia", meaning "salt encrusted place";
[Bendure 2005, p. 336.] Coastal
salt pans once produced the mineral from
seawater
Seawater, or salt water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has appro ...
.
The low water levels cause a 98% dieback in the
tilapia
Tilapia ( ) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most ...
population, which can produce a foul stench in the area.
[Nakai 2002.]
Kealia was once an
ancient fishpond supplied with water from the Waikapu Stream in the
West Maui Mountains
The West Maui Mountains, West Maui Volcano, or Mauna Kahālāwai which means "holding house of water," is approximately 1.7 million years old and forms a much eroded shield volcano that constitutes the western quarter of Maui. Since its last erup ...
and Kolaloa Gulch originating from
Haleakalā
Haleakalā (; Hawaiian: ), or the East Maui Volcano, is a massive shield volcano that forms more than 75% of the Hawaiian Island of Maui. The western 25% of the island is formed by another volcano, Mauna Kahalawai, also referred to as the West ...
.
Native Hawaiians
Native Hawaiians (also known as Indigenous Hawaiians, Kānaka Maoli, Aboriginal Hawaiians, First Hawaiians, or simply Hawaiians) ( haw, kānaka, , , and ), are the indigenous ethnic group of Polynesian people of the Hawaiian Islands.
Hawaii ...
may have raised ''awa'' (
milkfish
The milkfish (''Chanos chanos'') is the sole living species in the family Chanidae. However, there are at least five extinct genera from the Cretaceous.
The repeating scientific name (tautonym) is from Greek ( ‘mouth’).
The species has many ...
, ''Chanos chanos'') and ''amaama'' (
flathead mullet
The flathead grey mullet (''Mugil cephalus'') is an important food fish species in the mullet family Mugilidae. It is found in coastal tropical and subtropical waters worldwide. Its length is typically . It is known with numerous English names, ...
, ''Mugil cephalus'') using a system of ditches and
sluice gate
Sluice ( ) is a word for a channel controlled at its head by a movable gate which is called a sluice gate. A sluice gate is traditionally a wood or metal barrier sliding in grooves that are set in the sides of the waterway and can be considered ...
s to let nearby fish from Māalaea Beach into the pond.
Towards the west, the area between Kealia and the town of
Māalaea contains another shallow pond and
mudflat
Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal fl ...
s that are also used by the birds during the winter and spring flooding. When the
mudflat
Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal fl ...
s dry out during the summer, the birds move to Kealia Pond. This area was once a runway serving one of Maui's first airports, Māalaea Airport.
During
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, Kealia Pond was used for training the
2nd
A second is the base unit of time in the International System of Units (SI).
Second, Seconds or 2nd may also refer to:
Mathematics
* 2 (number), as an ordinal (also written as ''2nd'' or ''2d'')
* Second of arc, an angular measurement unit ...
and
4th Marine Division
The 4th Marine Division is a reserve division in the United States Marine Corps. It was raised in 1943 for service during World War II, and subsequently fought in the Pacific against the Japanese. Deactivated after the war, the division was re-fo ...
s.
The site has hosted numerous vagrant birds, most notably
Garganey
The garganey (''Spatula querquedula'') is a small dabbling duck. It breeds in much of Europe and across the Palearctic, but is strictly migratory, with the entire population moving to southern Africa, India (in particular Santragachi), Banglades ...
,
Curlew Sandpiper
The curlew sandpiper (''Calidris ferruginea'') is a small wader that breeds on the tundra of Arctic Siberia.
It is strongly migratory, wintering mainly in Africa, but also in south and southeast Asia and in Australia and New Zealand. It is a va ...
,
Marbled Godwit
The marbled godwit (''Limosa fedoa'') is a large migratory shorebird in the family Scolopacidae. On average, it is the largest of the four species of godwit.
Taxonomy
In 1750 the English naturalist George Edwards included an illustration and a ...
,
American Avocet
The American avocet (''Recurvirostra americana'') is a large wader in the avocet and stilt family, Recurvirostridae, that is found in North America. It spends much of its time foraging in shallow water or on mud flats, often sweeping its bill fro ...
,
Spotted Sandpiper
The spotted sandpiper (''Actitis macularius'') is a small shorebird. Together with its sister species the common sandpiper (''A. hypoleucos''), it makes up the genus ''Actitis''. They replace each other geographically; stray birds may settle dow ...
, and
Eared Grebe
The black-necked grebe or eared grebe (''Podiceps nigricollis'') is a member of the grebe family of water birds. It was described in 1831 by Christian Ludwig Brehm. There are currently three accepted subspecies, including the nominate subspeci ...
.
Boardwalk
A new
boardwalk
A boardwalk (alternatively board walk, boarded path, or promenade) is an elevated footpath, walkway, or causeway built with wooden planks that enables pedestrians to cross wet, fragile, or marshy land. They are also in effect a low type of bridge ...
and 14-stall parking lot opened on North Kihei Road on September 8, 2009. The area encompasses the bird sanctuary next to Sugar Beach, open from 06:00 - 19:00, and is patrolled by private security.
Images
File:Starr 080207-2285 Cyperus laevigatus.jpg, '' Cyperus laevigatus'' growing at the pond
File:Starr 980119-0240 Cyperus laevigatus.jpg, View facing towards West Maui
File:Starr 060406-9164 Cyperus laevigatus.jpg, View facing South Maui
Notes
References
*
*
*
*Howarth, F.G. (1998). "Preliminary assessment of the midge, ''Polypedilum nubiferum'' (skuse), problem at Kealia Pond National Wildlife Refuge (Diptera: Chironomidae)".
npublished reportsubmitted to
Ducks Unlimited
Ducks Unlimited (DU) is an American nonprofit organization 501(c) dedicated to the conservation of wetlands and associated upland habitats for waterfowl, other wildlife, and people. It has had a membership of around 700,000 since January 2013.
...
, Rancho Cordova, California.
*
*.
*
Further reading
*
External links
Official siteKealia Pond National Wildlife Refuge: profile*
{{authority control
Bird sanctuaries of the United States
Protected areas of Molokai
National Wildlife Refuges in Hawaii
Marshes of Hawaii
Protected areas established in 1953
Landforms of Molokai
1953 establishments in Hawaii