Research Article

Reproductive Dynamics of Sterna hirundinacea Lesson, 1831 in Ilha dos Cardos, Santa Catarina, Brazil

Table 2

Mean size and standard deviation of beak and tarsus length and weight of cloistered and free chicks at Ilha dos Cardos during the 2003, 2005, and 2006 breeding seasons.

AgeEst200320052006
CloisteredFreeANOVACloisteredFreeANOVACloisteredFreeANOVA

JILt b1.23 ± 0.011.23 ± 0.02 = 0.005
(P > 0.05)
1.22 ± 0.011.29 ± 0.04 = 6.47
(P < 0.05)
1.25 ± 0.011.42 ± 0.05 = 32.70
(P < 0.001)
Lt t1.65 ± 0.011.66 ± 0.01 = 0.487
(P > 0.05)
1.60 ± 0.011.70 ± 0.04 = 13.31
(P < 0.001)
1.68 ± 0.011.92 ± 0.06 = 59.52
(P < 0.001)
Wt30.19 ± 0.6729.30 ± 0.67 = 0.504
(P > 0.05)
26.74 ± 0.4429.88 ± 2.67 = 2.43
(P < 0.05)
28.10 ± 0.5843.34 ± 4.01 = 49.96
(P < 0.001)

JIILt b1.66 ± 0.021.72 ± 0.01 = 6.059
(P < 0.05)
1.71 ± 0.041.75 ± 0.05 = 0.068
(P > 0.05)
1.63 ± 0.011.77 ± 0.03 = 16.48
(P < 0.001)
Lt t1.99 ± 0.012.02 ± 0.01 = 3.254
(P > 0.05)
1.89 ± 0.011.92 ± 0.05 = 1.111
(P > 0.05)
2.12 ± 0.052.15 ± 0.05 = 0.005
(P > 0.05)
Wt74.78 ± 1.6480.51 ± 1.52 = 6.508
(P < 0.05)
62.68 ± 0.9259.95 ± 3.53 = 0.619
(P > 0.05)
58.68 ± 1.1559.75 ± 4.41 = 0.102
(P > 0.05)

JIIILt b2.21 ± 0.022.26 ± 0.02 = 3.551
(P > 0.05)
2.20 ± 0.012.27 ± 0.02 = 20.37
(P < 0.001)
2.19 ± 0.012.22 ± 0.03 = 0.284
(P > 0.05)
Lt t2.13 ± 0.012.15 ± 0.02 = 1.734
(P > 0.05)
2.09 ± 0.012.06 ± 0.01 = 11.77
(P < 0.001)
2.15 ± 0.012.19 ± 0.01 = 4.395
(P < 0.05)
Wt124.42 ± 1.57114.91 ± 2.10 = 12.62
(P < 0.001)
109.69 ± 0.99123.79 ± 2.28 = 36.07
(P < 0.001)
119.94 ± 1.2090.62 ± 3.28 = 40.92
(P < 0.001)

JIVLt b2.57 ± 0.012.61 ± 0.01 = 3.167
(P > 0.05)
2.59 ± 0.012.63 ± 0.01 = 10.05
(P < 0.01)
2.85 ± 0.152.73 ± 0.02 = 0.124
(P > 0.05)
Lt t2.23 ± 0.022.20 ± 0.02 = 1.864
(P > 0.05)
2.13 ± 0.012.12 ± 0.01 = 3.942
(P < 0.05)
2.24 ± 0.012.23 ± 0.03 = 0.687
(P > 0.05)
Wt147.19 ± 2.04130.31 ± 2.36 = 29.35
(P < 0.001)
143.92 ± 1.06145.13 ± 1.32 = 0.728
(P > 0.05)
154.57 ± 1.12120.21 ± 4.56 = 114.5
(P < 0.001)

JLt b2.67 ± 0.022.64 ± 0.03 = 0.401
(P > 0.05)
2.80 ± 0.012.90 ± 0.04 = 1.333
(P > 0.05)
3.00 ± 0.022.99 ± 0.02 = 0.102
(P > 0.05)
Lt t2.14 ± 0.032.15 ± 0.03 = 0.073
(P > 0.05)
2.10 ± 0.012.15 ± 0.03 = 1.333
(P > 0.05)
2.26 ± 0.012.23 ± 0.01 = 3.595
(P > 0.05)
Wt139.10 ± 5.46123.80 ± 3.76 = 4.939
(P < 0.05)
137.00 ± 12.00127.25 ± 18.76 = 0.112
(P > 0.05)
148.89 ± 6.45126.76 ± 5.58 = 6.808
(P < 0.05)