Sea turtle hatcheries protect eggs from nest predation and climate-driven nest flooding, improving hatching success rates - but hatchery methods affect hatchling welfare and sex ratios in ways that require careful scientific management.
Hatchery programs face a genuine welfare-conservation tension: protecting eggs from predation and flooding saves hatchlings that would otherwise die, but poorly managed incubation affects hatchling quality and sex ratios. Hatchlings imprinted on artificial incubation conditions may have altered navigation abilities. Temperature management to maintain natural sex ratio distributions is now recognized as a conservation priority given climate-driven feminization of populations. The welfare of individual hatchlings must be balanced against population-level conservation needs. Light pollution that disorients hatchlings toward urban areas rather than the sea causes widespread mortality that beach management can address.