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- W2476318491 abstract "The nesting of Crocodylus novaeguineae in Lake Murray District, Papua New Guinea is described, based on observations of 121 nests during 1980-1981. Cryptic nest location and wariness of adults inhibited nest discovery. Most nests (68.7%) were built on land, the remain- der on floating mats of herbaceous vegetation. The breeding season was protracted, but 95% of nesting occurred in the November-May wet season. Sexual maturity, as evidenced by copulation in captivity, was attained at 1.4 m in females and 1.5 m in males. Oviposition by a captive individual occurred 68 days after mating. Estimated incubation period was 83-91 days. Mean clutch size (21.8 ? 6.9 SD, n = 44) did not differ between nests on land and floating mats, although mean egg mass (103.5 g ? 5.6 SD, n = 426) differed between nest types. Clutch size was highly correlated with female size (r2 = 0.77) and clutch mass (r2 = 0.83). Overall nest (86.7%) and hatching (85.4%) success differed significantly between nests on land and floating mats. Observer handling had no effect on nest success. The probability of an egg hatching in this population was 74.0%. Combined losses of nests to flooding and predation (varanids, feral pigs, humans) were 13.3%. The proportions of nest reuse and site reuse were 10.7% and 43.8%, respectively, with the majority of nesting females (74.4%) smaller than the size protected by law." @default.
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- W2476318491 date "1987-01-01" @default.
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- W2476318491 title "Nesting biology of Crocodylus novaeguineae in Lake Murray District, Papua New Guinea" @default.
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