Dahl Web Site
ISLAND DIRECTORY TABLES
ISLANDS BY CONSERVATION IMPORTANCE
CI = Conservation Importance Index combining Terrestrial (CIT) and Marine (CIM)
EndSp = Endemic Species; ThrSp = Threatened Species; Vu = Vulnerability Indicator; SF = Special Features
CI
CIT
CIM
Island
Country
EndSp
ThrSp
Vu
SF
0
0
0
Muyua
Papua New Guinea - Trobriand Islands
0
0
0
0
0
0
0
Tenerife
Spain - Canary Islands
0
0
0
0
1
1
0
Gran Canaria
Spain - Canary Islands
1
0
0
0
1
1
0
Tobago
Trinidad and Tobago
2
6
0
0
2
1
1
Andros, South
Bahamas
0
4
1
1
2
2
0
Grand Bahama
Bahamas
0
3
0
1
2
2
0
Great Exuma
Bahamas
0
0
0
1
3
2
1
Great Inagua
Bahamas
1
5
0
2
4
3
1
Ambergris Cay
Belize
0
0
1
2
4
3
1
King George
Antarctic Islands
0
0
0
2
5
2
3
Anjouan
Comoros
0
0
1
0
5
3
2
Rimatara
France - French Polynesia - Austral Is.
2
0
1
0
6
4
2
Manus
Papua New Guinea - Bismarck Archipelago
3
4
1
1
6
6
0
Mussau
Papua New Guinea - Bismarck Archipelago
2
2
0
0
6
4
2
Niau
France - French Polynesia - Tuamotu Is.
2
0
1
0
6
4
2
Tortola
United Kingdom - British Virgin Islands
1
9
1
0
7
4
3
Anaa
France - French Polynesia - Tuamotu Is.
1
0
1
0
7
7
0
Dyaul
Papua New Guinea - Bismarck Archipelago
1
1
0
0
7
4
3
Lighthouse Reef
Belize
0
0
1
4
7
5
2
Nendo
Solomon Islands
3
0
2
0
7
5
2
Vanikolo
Solomon Islands
1
0
2
0
8
2
6
Ailinglaplap
Marshall Islands
0
0
1
0
8
6
2
Amsterdam
France - French Southern Terr- Amsterdam
1
1
1
2
8
2
6
Arno
Marshall Islands
0
1
1
0
8
5
3
Coronation
Antarctic Islands
0
0
0
2
8
4
4
Deception
Antarctic Islands
0
0
2
3
8
2
6
Jaluit
Marshall Islands
0
0
1
0
8
5
3
Livingston
Antarctic Islands
0
0
0
2
8
8
0
Ninigo
Papua New Guinea - Bismarck Archipelago
3
0
0
0
8
7
1
Pagalu
Equatorial Guinea
19
0
0
0
8
7
1
Tahaa
France - French Polynesia - Society Is.
0
0
1
1
8
6
2
Virgin Gorda
United Kingdom - British Virgin Islands
2
0
1
0
9
6
3
Ambae
Vanuatu
0
0
3
1
9
7
2
Anegada
United Kingdom - British Virgin Islands
3
1
1
2
9
5
4
Anguilla
United Kingdom - Anguilla
0
0
1
2
9
7
2
Atiu
Cook Islands
2
0
1
1
9
5
4
Candlemas
United Kingdom - Falkland - S. Sandwich
0
0
1
2
9
5
4
Grande Comore
Comoros
0
0
2
1
9
7
2
Mauke
Cook Islands
1
0
1
0
9
7
2
Nauru
Nauru
1
0
1
1
9
7
2
Phillip
Australia - Norfolk Island
3
1
0
1
9
7
2
San Andres
Colombia - Colombian Islands
4
6
1
2
9
5
4
Tupuai
France - French Polynesia - Austral Is.
0
0
1
0
10
8
2
Adams
New Zealand - Auckland Islands
0
0
0
2
10
1
9
Andros, North
Bahamas
0
4
1
0
10
8
2
Cayman Brac
United Kingdom - Cayman Islands
2
1
1
0
10
8
2
Culebra
United States - Puerto Rico
2
5
1
2
10
5
5
Epi
Vanuatu
0
0
3
2
10
8
2
Futuna
Vanuatu
0
0
2
0
10
7
3
Huahine
France - French Polynesia - Society Is.
0
0
1
2
10
8
2
Kolombangara
Solomon Islands
2
1
2
0
10
7
3
Lifou
France - New Caledonia - Loyalty Islands
2
0
2
0
10
8
2
Mitiaro
Cook Islands
1
0
1
1
10
4
6
Mururoa
France - French Polynesia - Tuamotu Is.
0
0
2
0
10
7
3
Napuka
France - French Polynesia - Tuamotu Is.
1
1
1
2
10
8
2
Ofu
United States - American Samoa
2
1
1
0
10
5
5
Ouvea
France - New Caledonia - Loyalty Islands
1
1
2
0
10
7
3
Prince Edward
South Africa - Prince Edward Islands
0
0
0
3
10
8
2
Raiatea
France - French Polynesia - Society Is.
2
0
1
1
10
8
2
Shortland
Solomon Islands
1
1
2
0
11
7
4
Aitutaki
Cook Islands
0
1
1
0
11
10
1
Fergusson
Papua New Guinea - d'Entrecasteaux Is.
0
1
1
1
11
7
4
Grande Terre
France - Guadeloupe
4
2
1
3
11
7
4
Heard
Australia - Heard and MacDonald Islands
0
0
1
2
11
3
8
Kapingamarangi
Federated States of Micronesia
1
0
1
0
11
9
2
Macquarie
Australia - Tasmania - Macquarie Island
3
0
0
3
11
8
3
Mangaia
Cook Islands
2
0
1
1
11
9
2
Mare
France - New Caledonia - Loyalty Islands
0
0
1
0
11
8
3
Moorea
France - French Polynesia - Society Is.
13
13
1
1
11
8
3
Niuafo'ou
Tonga
1
1
2
1
11
7
4
Oeno
United Kingdom - Pitcairn - Oeno Island
2
0
0
1
11
3
8
Pedro Cays
Jamaica
0
0
1
2
11
9
2
Tahuata
France - French Polynesia - Marquesas Is
0
0
1
0
11
3
8
Takapoto
France - French Polynesia - Tuamotu Is.
0
0
1
0
11
9
2
Ua Huka
France - French Polynesia - Marquesas Is
2
1
1
1
11
10
1
Upolu
Samoa
0
2
1
1
12
11
1
Buka
Papua New Guinea - Bougainville
0
0
1
0
12
5
7
Enewetak
Marshall Islands
4
0
1
0
12
9
3
Erromango
Vanuatu
0
0
2
2
12
10
2
Fuerteventura
Spain - Canary Islands
19
18
1
0
12
10
2
Futuna
France - Wallis and Futuna
6
1
1
0
12
6
6
Marion
South Africa - Prince Edward Islands
0
4
1
2
12
7
5
Matureivavao
France - French Polynesia - Tuamotu Is.
0
2
1
1
12
6
6
Namoluk
Federated States of Micronesia
0
0
2
1
12
8
4
Niue
Niue
1
0
2
1
12
7
5
Rose Atoll
United States - American Samoa
0
0
1
3
12
8
4
Uvea
France - Wallis and Futuna
0
0
1
1
13
10
3
Ambrym
Vanuatu
0
0
3
1
13
7
6
Dublon
Federated States of Micronesia
0
0
1
0
13
11
2
Fatuhiva
France - French Polynesia - Marquesas Is
8
3
1
0
13
8
5
Kiritimati
Kiribati - Line Islands
1
0
2
3
13
8
5
Malden
Kiribati - Line Islands
0
0
1
3
13
10
3
Martinique
France - Martinique
7
8
2
3
13
10
3
Pitcairn
United Kingdom - Pitcairn - Pitcairn Is.
3
0
1
1
13
10
3
St Lucia
St Lucia
9
10
2
0
13
7
6
Starbuck
Kiribati - Line Islands
0
0
1
2
13
11
2
Sudest
Papua New Guinea - Louisiade Archipelago
2
0
2
0
13
7
6
Taiaro
France - French Polynesia - Tuamotu Is.
0
0
2
1
13
8
5
West Falkland
Falkland Islands (United Kingdom)
0
2
0
2
14
9
5
East Falkland
Falkland Islands (United Kingdom)
1
3
0
2
14
10
4
Grenada
Grenada
6
7
1
2
14
12
2
Little Cayman
United Kingdom - Cayman Islands
6
0
1
3
14
12
2
Maewo
Vanuatu
0
0
2
0
14
9
5
Ngerekebesang
Palau
0
0
1
0
14
11
3
Nightingale
United Kingdom - Tristan da Cunha
2
0
1
2
14
6
8
Oroluk
Federated States of Micronesia
0
0
1
2
14
11
3
Santa Maria
Vanuatu
0
0
3
2
15
6
9
Bikar
Marshall Islands
0
0
1
2
15
13
2
Efate
Vanuatu
0
0
2
1
15
12
3
Eiao
France - French Polynesia - Marquesas Is
7
7
1
2
15
11
4
Eua
Tonga
5
0
2
1
15
10
5
Fatu Huku
France - French Polynesia - Marquesas Is
0
1
2
1
15
7
8
Kerguelen
France - French Southern Terr- Kerguelen
3
0
0
2
15
5
10
Morant Cays
Jamaica
0
1
1
2
15
10
5
Motu One
France - French Polynesia - Marquesas Is
0
0
2
2
15
13
2
Pentecost
Vanuatu
1
0
2
0
15
13
2
Ranongga
Solomon Islands
1
0
2
0
15
12
3
Tanna
Vanuatu
0
0
3
3
15
3
12
Turneffe
Belize
0
2
1
2
16
14
2
Choiseul
Solomon Islands
1
2
2
0
16
11
5
Hatutaa
France - French Polynesia - Marquesas Is
1
4
2
1
16
14
2
Hiva Oa
France - French Polynesia - Marquesas Is
15
15
1
0
16
13
3
Malakula
Vanuatu
0
0
2
2
16
6
10
Rangiroa
France - French Polynesia - Tuamotu Is.
0
2
1
1
16
10
6
Raso
Cape Verde Islands
1
2
3
0
16
14
2
Rennell
Solomon Islands
16
4
1
1
16
14
2
Tau
United States - American Samoa
6
5
1
2
16
15
1
Teraina
Kiribati - Line Islands
0
0
0
3
16
13
3
Tutuila
United States - American Samoa
13
4
1
1
16
14
2
Ua Pou
France - French Polynesia - Marquesas Is
8
8
1
1
16
11
5
Yap
Federated States of Micronesia
2
1
2
0
17
9
8
Agrihan
United States - Northern Mariana Islands
0
2
2
1
17
10
7
Farallon de Pajaros
United States - Northern Mariana Islands
0
0
2
1
17
8
9
Ghizo
Solomon Islands
1
1
2
0
17
9
8
Kosrae
Federated States of Micronesia
1
1
1
1
17
9
8
Makatea
France - French Polynesia - Tuamotu Is.
1
1
1
1
17
13
4
Mohotani
France - French Polynesia - Marquesas Is
3
2
2
1
17
12
5
Montserrat
United Kingdom - Montserrat
9
5
3
2
17
8
9
Santa Isabel
Solomon Islands
0
0
2
0
17
15
2
Savai'i
Samoa
1
3
2
1
17
5
12
Udot
Federated States of Micronesia
0
1
1
0
18
15
3
Aneityum
Vanuatu
1
0
2
2
18
14
4
Caroline
Kiribati - Line Islands
0
0
0
2
18
13
5
Cozumel
Mexico - Quintana Roo
5
2
1
4
18
6
12
Glover Reef
Belize
0
1
1
4
18
16
2
Nuku Hiva
France - French Polynesia - Marquesas Is
28
21
1
1
18
8
10
Oreor
Palau
0
0
1
0
18
17
1
Principe
Sao Tome and Principe
43
3
1
0
18
11
7
Rarotonga
Cook Islands
23
13
2
0
18
14
4
Vanua Lava
Vanuatu
0
1
3
2
18
12
6
Vostok
Kiribati - Line Islands
0
0
0
2
19
9
10
Anatahan
United States - Northern Mariana Islands
0
1
2
1
19
14
5
Basse Terre
France - Guadeloupe
8
5
2
6
19
8
11
Beliliou
Palau
0
0
1
0
19
15
4
Bougainville
Papua New Guinea - Bougainville
16
4
1
0
19
9
10
Bounty Islands
New Zealand - Bounty Islands
2
1
0
2
19
17
2
Campbell
New Zealand - Campbell Island
2
3
0
3
19
7
12
Fefan
Federated States of Micronesia
0
0
1
0
19
17
2
Goodenough
Papua New Guinea - d'Entrecasteaux Is.
6
1
2
0
19
11
8
Mangareva
France - French Polynesia - Gambier Is.
28
27
2
0
19
9
10
Maug Islands
United States - Northern Mariana Islands
0
1
1
1
19
11
8
New Ireland
Papua New Guinea - Bismarck Archipelago
5
5
1
0
19
8
11
Ngeaur
Palau
0
0
1
0
19
17
2
San Cristobal
Solomon Islands
8
8
2
0
19
9
10
Sarigan
United States - Northern Mariana Islands
0
1
1
1
19
16
3
St Vincent
St Vincent
18
4
2
2
19
7
12
Uman
Federated States of Micronesia
0
1
1
0
20
10
10
Alamagan
United States - Northern Mariana Islands
1
1
2
1
20
13
7
Ascuncion
United States - Northern Mariana Islands
1
0
2
2
20
9
11
Chelbacheb
Palau
0
0
1
1
20
12
8
Lakeba
Fiji
0
0
1
1
20
8
12
Moen
Federated States of Micronesia
0
1
1
1
20
8
12
Moheli
Comoros
0
0
1
1
20
10
10
Pagan
United States - Northern Mariana Islands
0
2
2
2
20
11
9
Santa Barbara
United States - California
4
4
2
2
20
19
1
Trinidad
Trinidad and Tobago
100
0
1
1
20
8
12
Vanguna
Solomon Islands
0
0
2
0
21
10
11
Fernando de Noronha
Brazil - Fernando de Noronha
19
0
1
4
21
17
4
Gough
United Kingdom - Tristan da Cunha
38
3
2
2
21
8
13
New Georgia
Solomon Islands
0
0
2
1
21
10
11
Rota
United States - Northern Mariana Islands
1
7
1
2
21
9
12
Tongatapu
Tonga
0
0
2
1
22
4
18
Addu
Maldives
0
0
2
0
22
4
18
Ari
Maldives
0
0
2
0
22
20
2
Espiritu Santo
Vanuatu
1
2
2
1
22
4
18
Fadippolu
Maldives
0
0
2
0
22
4
18
Felidu
Maldives
0
0
2
0
22
4
18
Foa Mulaku
Maldives
0
0
2
0
22
19
3
Grand Cayman
United Kingdom - Cayman Islands
18
8
1
4
22
19
3
Guadalcanal
Solomon Islands
5
4
2
1
22
10
12
Guguan
United States - Northern Mariana Islands
0
1
2
1
22
4
18
Haddunmathi
Maldives
0
0
2
0
22
4
18
Huvadu
Maldives
0
0
2
0
22
4
18
Kolhumadulu
Maldives
0
0
2
0
22
4
18
Maalosmadulu, North
Maldives
0
0
2
0
22
4
18
Maalosmadulu, South
Maldives
0
0
2
0
22
4
18
Miladunmadulu
Maldives
0
0
2
0
22
4
18
Mulaku
Maldives
0
0
2
0
22
4
18
Nilande, North
Maldives
0
0
2
0
22
4
18
Nilande, South
Maldives
0
0
2
0
22
14
8
Tahiti
France - French Polynesia - Society Is.
82
2
1
2
22
4
18
Thiladunmathi
Maldives
0
0
2
0
23
20
3
Aldabra
Seychelles
32
0
0
3
23
11
12
Bokaak
Marshall Islands
2
0
1
2
23
9
14
Diego Garcia
United Kingdom - Chagos Archipelago BIOT
2
0
0
3
23
14
9
Ogea Levu
Fiji
1
0
1
3
23
13
10
San Miguel
United States - California
0
1
3
3
23
16
7
Tabuaeran
Kiribati - Line Islands
2
0
0
3
23
21
2
Tristan da Cunha
United Kingdom - Tristan da Cunha
59
6
1
2
23
13
10
Vanua Balavu
Fiji
0
0
1
2
24
14
10
Anacapa
United States - California
0
2
3
4
24
24
0
Bioko
Equatorial Guinea
78
0
0
1
24
15
9
Malaita
Solomon Islands
4
3
2
0
24
10
14
Saipan
United States - Northern Mariana Islands
1
4
1
3
25
21
4
Inaccessible
United Kingdom - Tristan da Cunha
38
3
1
1
25
24
1
Sao Tome
Sao Tome and Principe
129
8
1
1
25
11
14
South Georgia
United Kingdom - Falkland- South Georgia
14
0
0
3
25
16
9
Taveuni
Fiji
4
1
2
1
25
13
12
Tinian
United States - Northern Mariana Islands
1
3
1
4
25
11
14
Tol
Federated States of Micronesia
2
5
1
1
26
20
6
Antipodes
New Zealand
8
0
0
2
26
21
5
Auckland
New Zealand - Auckland Islands
6
1
0
2
26
16
10
Gau
Fiji
1
2
1
0
26
6
20
Male'
Maldives
0
0
4
0
26
17
9
North East
New Zealand
6
2
0
2
27
13
14
Ascension
United Kingdom - Ascension Island
13
10
0
4
27
9
18
Babeldaob
Palau
0
0
1
0
27
16
11
Guam
United States - Guam
25
12
1
3
27
25
2
Norfolk
Australia - Norfolk Island
58
40
1
1
28
19
9
Kadavu
Fiji
2
0
1
1
28
24
4
Puerto Rico
United States - Puerto Rico
279
7
1
3
28
27
1
Rodrigues
Mauritius - Rodrigues
52
65
1
1
28
18
10
Santa Rosa
United States - California
4
15
3
2
30
26
4
Dominica
Dominica
12
3
2
3
30
12
18
Isle of Pines
France - New Caledonia
0
1
1
1
30
18
12
Pohnpei
Federated States of Micronesia
14
3
1
1
31
18
13
Ngerukuid
Palau
0
0
1
2
31
15
16
Ovalau
Fiji
2
1
1
0
31
13
18
Rotuma
Fiji
2
0
2
0
32
21
11
Bermuda
Bermuda
18
28
1
5
32
29
3
Mona
United States - Puerto Rico
8
51
1
2
32
17
15
Raoul
New Zealand - Kermadec Islands
30
6
2
2
33
30
3
Reunion
France - Reunion
176
86
3
1
40
7
33
Easter
Chile - Easter Island
45
1
1
3
40
26
14
Santa Cruz
United States - California
11
19
4
1
42
31
11
Jamaica
Jamaica
1020
13
1
3
42
27
15
Vanua Levu
Fiji
2
3
2
2
44
29
15
Viti Levu
Fiji
9
4
2
1
47
35
12
Henderson
United Kingdom - Pitcairn - Henderson Is
21
2
0
3
48
47
1
Madeira
Portugal - Madeira
230
136
0
2
49
21
28
Rapa
France - French Polynesia - Austral Is.
225
51
1
1
50
28
22
St Helena
United Kingdom - St Helena
62
54
1
1
58
40
18
Lord Howe
Australia - NSW - Lord Howe Island
130
79
0
2
63
54
9
Malta
Malta
32
230
1
2
85
70
15
Mauritius
Mauritius
316
223
2
1
115
80
35
New Caledonia
France - New Caledonia
2688
172
2
4
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Page last updated: 09/05/10