Table 1.   Counts of loggerhead sea turtle (Caretta caretta) nests at index beaches for 1989-2005 by subpopulation, biannual totals, and rates of change (λ and r) by year (NMFS in review, FWRI 2007).

Year

Northern (NC, SC, GA)

Peninsular
Florida

Total (N_i)

Two-year Running Sum (R_j)

Rate of Change (λ)

Inst. rate of change (r)

1989

1,421

39,091

40,512

1990

2,466

50,266

52,732

93,244

1991

2,127

52,802

54,929

107,661

1.1546

0.14377

1992

1,844

47,567

49,411

104,340

0.9692

-0.0313

1993

931

41,808

42,739

92,150

0.8832

-0.1242

1994

2,207

51,168

53,375

96,114

1.0430

0.04212

1995

1,484

57843

59,327

112,702

1.1726

0.15921

1996

1,969

52811

54,780

114,107

1.0125

0.01239

1997

1,100

43156

44,256

99,036

0.8679

-0.1417

1998

1,812

59918

61,730

105,986

1.0702

0.06782

1999

2,173

56471

58,644

120,374

1.1358

0.1273

2000

1,475

56277

57,752

116,396

0.9670

-0.0336

2001

1,242

45941

47,183

104,935

0.9015

-0.1037

2002

1,543

38125

39,668

86,851

0.8277

-0.1891

2003

1,998

40726

42,724

82,392

0.9487

-0.0527

2004

549

29547

30,096

72,820

0.8838

-0.1235

2005

1,766

34872

36,638

66,734

0.9164

-0.0873