Migration corridor for sea turtles

Article Abstract:

Satellite telemetry methods have tracked the endangered leatherback turtle over 2,700 km and have managed to identify a 500 km wide migratory corridor across the Pacific. Turtles traverse along similar or identical pathways within the same season. The migratory tracks are within a southwestward corridor and they persist from year to year. The concentration of many individuals along migratory corridors makes the entire populations susceptible. Conservation approaches should focus on these ocean corridors in addition to foraging areas and nesting beaches.

Animal migration, Sea turtles

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Nest site fidelity of leatherback turtles at Playa Grande, Costa Rica

Article Abstract:

The nest site fidelity of leatherbacks is investigated by studying consecutive nest site selections by leatherbacks at Playa Grande, Costa Rica, from 1993 to 2001. Results indicate that the pattern of dependence in nest site locations is more consistent with a hypothesis of spatial proximity in which leatherbacks simply nest close to the site of the previous nest than it is with a hypothesis of intrinsic fidelity to a specific location on the beach.

Science & research, Costa Rica, Research, Behavior, Spatial behavior in animals, Animal spatial behavior, Animal spatial behaviour

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Pacific leatherback turtles face extinction

Article Abstract:

The dramatic decline in the Pacific leatherback turtle population is discussed. The need to minimize mortality through fishing is highlighted.

Animal reproduction

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