1. wo species of turtles nest in Cyprus, the They live for more than 60 years. Turtles and lights: Turtle
T Green Turtle (Chelonia mydas) and the
Loggerhead Turtle (Caretta caretta). Both
Loggerhead turtles feed on jellyfish
and on a variety of bottom living
hatchlings are attracted to light.
Their instinct tells them that the
species are threatened by extinction in the animals. Green turtles are herbivorous lightest part on the horizon is the
Mediterranean. In this sea the Green Turtle and feed on sea-grasses. Turtles have way to the sea. If there are
nowadays nests almost exclusively in Cyprus no ears but are sensitive to certain artificial lights near the beach the
and Turkey. Loggerheads nest also in Greece sound frequencies. They have good hatchlings will be disorientated
and in small numbers in several other eyesight. and will go towards these lights
countries in the eastern Mediterranean. It instead of going to the sea. If they
is estimated that the current Reproduction: Green turtles do not reach the sea quickly they
Green Turtle mature when they are 25-30 years old
nesting population in the Mediter- Green hutchling (white belly) and loggerhead (all black) Tagging a Green Turtle
will fall prey to foxes or if they
ranean is about 500-600 female and Loggerheads when they are about
stay on land during the day they will die of heat. Nesting females are also
Green turtles and 5,000-6,000 Log- 15-20 years old. They lay their eggs every 2-5 years. Mating takes place at
very wary of lights and movement on the beaches when they come up to lay
gerhead turtles. In the past they sea. Loggerheads start nesting at the end of May and usually finish by mid
their eggs. If disturbed they will go back to the sea. If disturbed on
were found in much larger numbers. August. Green turtles start and finish about two weeks later. In the season
consecutive nights they will drop their eggs in the sea. This is why the public
Between 1900 and 1960 about a turtle may lay 3-5 clutches of round, leathery eggs. Loggerheads lay about
are not allowed on the beaches at night
100.000 of turtles, mainly Green 80 eggs in each clutch and Greens about 120. The Loggerheads lay their eggs
turtles, were exported to Europe in chambers about 30-50 cm deep and the Green turtles about 50-80 cm deep. Predation and other dangers: In Cyprus the main predator is the
from the east Mediterranean for Nesting takes place at night. The eggs incubate with the heat of the sun and fox. On some beaches, more than 80% of the eggs or hatchlings are eaten by
turtle soup. Green Turtle laying hatch about 7 weeks later. Sex determination depends on temperature. High foxes if they are not protected. Some nests may also be covered by the sea
temperatures produce females and low temperatures produce males. At about and perish as they are laid too near the water. Driving on the beaches can
In Cyprus Green turtles now nest on the surf-swept west coast beaches of 29-300C about half of the hatchlings produced are male and the other half destroy nests while deep tyre marks prevent hatchlings from reaching the
Lara/Toxeftra and on some beaches on the north coast and the Karpas. female. So eggs laid early in the season tend to produce more males and late sea.
Loggerheads also nest in the Lara/Toxeftra area but their main nesting nests more females. Turtles imprint on their natal beaches, which means that
beaches are in the Polis/Limni area in Chrysochou Bay. when they mature they will return to nest on the beaches they themselves Conservation: The Cyprus Turtle Conservation Project was set up by the
hatched on. Department of Fisheries and Marine Research in 1978, following surveys in
About Turtles: Turtles are reptiles. They evolved on land and went back 1976 and 1977. It is the first such project in the Mediterranean. The project
to the sea. That is why they breathe air and come up on land to lay their eggs.
Toxeftra beach showing nesting activity Measuring a Green Turtle Training course at Lara