EUROPE

A F R I C A

N O R T H

A M E R I C A

S O U T H

A M E R I C A

AUSTRALIA

A S I A

A N T A R C T I C A

Base modified from U.S. Geological Survey digital data, Gall's Sterographic Cylindrical projection, scale varies with latitude

10°West 0°

80°North

180° 170°West 160° 150° 140° 130° 120° 110° 100° 90° 80° 70° 60° 50° 40° 30° 20°

70°

60°

50°

40°

30°

20°

10°North

0°

10°South

20°

30°

40°

50°

60°

70°

80°South

80°North

70°

60°

50°

40°

30°

20°

10°North

0°

10°South

20°

30°

40°

50°

60°

70°

80°South

40°East 50° 60° 70° 80° 90° 100° 110° 120° 130° 140° 150° 160° 170°East 10°East 20° 30°East

40°East 50° 60° 70° 80° 90° 100° 110° 120° 130° 140° 150° 160° 170°East 180° 170°West 160° 150° 140° 130° 120° 110° 100° 90° 80° 70° 60° 50° 40° 30° 20° 10°West 0° 10°East 20° 30°East

T R O P I C O F C A P R I C O R N

E Q U A T O R

T R O P I C O F C A N C E R 

A R C T I C C I R C L E

A N T A R C T I C C I R C L E

G r e a t e r A t l a n t i c O c e a n

P a c i f i c

I n d i a n

A t l a n t i c

P a c i f i c

G r e a t e r

O c e a n

O c e a n

I n d i a n

O c e a n

O c e a n

O c e a n

S u

b - A u s t r a l i a

S

u

n d a

B a n d a

Mediterranean

Basin

634

635 636

637

638

639 640

641

642

643

644

645

646

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16 17 18

19

20

21

22

23

24

25

26

27

28

29 30

31

32 33 34

35 36 37 38

39 40

41 42

43

44 45 46 47

48

49

51 52

50

53

54

5557

58

56

59

60

61 62 63

64 65

66 67

68 69

70

71

72

73

75 74

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97 98

99

101 100

102 103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

119 118

120

121 122

123

125 124 126

127

128

134

133

135

136

139 137

140 141

142

143 144

129

130 131 132 146

145

147

148

149

150

151

152

153 155

154

156

157158

159 160

161

162 163

164

165

166

167

168

172

173

174

175

176

169170

171

177178

184

187

179

180

181

182

183

185

186

188

189

190

191

192

209

193

194

195

208

207 205 206

196

197

198 199 200

201 202 203

204

210

211

212

213

214

215

216 217

218

219

220

221 222

223

224

225

226

227

228

229

230

231

232

233

234 235

236

237

238

239

240

241

242

243 244

245246 247

248

249

250

251 252

253

254

255256

257

258

259

260

261 262

263

264

265

266

270 267 268

269

271

272

273

274

275276

277

278

279 280 281282

283

284

285

286 287

288

290 291

292

293 294

295 296

297

298 299

300 301 289

302

303

304

305

306

326 327

328 329

331

330

307–321 339 340

341

342

322

323

324

325

332

333

334

335

336

337

338

343

344

345

346 347

348

349

350

351

352

353

354

355

356

357

358

359 360

361

362363 364

365

366

367

368

369

370

371

372

373

374

375

376 377

378

379

380

381

382

383

384

385

386 387 388

389

390

391

392

393

394

395

396

397

398

399

400

401 402

403

404

405

406

407

408

409

410 411

412

413 414

415

416 417

418

419

420

421

422

423 424

425

426 427

428

452

454

429

430

431

432

433

343

445

436

435

437

438

439

440

441

442 443

444

446 447

448 449 450 451

453

455

457 456

458 459 460

461

462

463

464

465

466

468 467

469 470

471

472

473

474

475 476 477

478

479

480

481

482

483

484

485

486

487

488

489 490

491

492 493

494

495

496 497

498

499

500

501

502 503

504

505

506507

508

509

510

511

512

513

514

516

515

517

518 519 520 521 522

523 524

525

526

527 528 529

530

531

532 533

534 535

536

537

538 539

540

541

542

543

544

545 546

547

548 549 550551 552

553

554

555

556

557 558

559

560

561

562

563

571

572 573

564565

566 567

568

569 570 574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598 599

600

601

602

603

604

605 606

607 608 609 610 611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631632

633

647

648

649

650

651 652 653

654 655

656 657 658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674 675

676

677

678

679 680

681

682 683

684

685

686

687

688

689 690

691

692

693

694

695

696 697

698

699

700

701

702

703

704

705

706

707

708

709 710

711

712

714 713 715

716 717

718 720

719

721

722

723 724

725

726

727

728–729

730

731

732

733734735

737

738

739

740

741

736

742–752

753

754

755 757 756

758 759 760

761

762

764

765

766

763

767

768

769 770

771 772

773

774

775

776

777

778

779

780

781

782

794

796 795

793792791

790

789

788

787

786

785

784 797 783

798 799

800

801

802

803

804

805 806

807

808 809

810

811

812

813 815 814 816

817

818

819

820

821

823 822

825 824

826

827

828

829

830

831

832–835

836 837 838

839

840

841

842

843 844 845846

847

848

849

850

851

852

853

857 854–856

858

859

860

861–867

868

869

870

871

872

873

874

875–880

881

882

883 884

885

886

887

888 889

890

891

892

893

894 895

896

897

898

899

900

901

902 903

904 905–907

908

909 910

911

912

913

914

915

916

917

918

919 920

921

923 922

924–928

929

930 931 932 933

934

935

936

937

938? 939

940??

941942

943

944

945

946 947

948

949 950

951 952

953 954

955

956

957

958

959

960

961

962 963964

965 966

967 968

969 970

971 972

973 974

975

976

977

978

979

980

981 982

983

984

985

986 987 988

989

990

991

992 993 994

995 996

997 998

999

1000

EXPLANATION

Track of the Alisida

Oceanic region boundary

Island cluster with identification numbers

Island center with identification number

Endpoints of the Alisida

875–880

126

1 1000

PROFESSIONAL PAPER 1590

Track of the Alisida and identification numbers of islands of the primary island set—PLATE 1

Matalas, N.C., and Grossling, B.F., 2002, Habitat and Environment of Islands

U.S. DEPARTMENT OF THE INTERIOR

U.S. GEOLOGICAL SURVEY

TRACK OF THE ALISIDA AND IDENTIFICATION NUMBERS OF ISLANDS IN THE PRIMARY ISLAND SET

By

N.C. Matalas and Bernardo F. Grossling

2002