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  2. Mar Menor (little sea or small sea) is a salty lagoon, in the south-east of the autonomous Community of Murcia, in Spain, separated from the Mediterranean sea by La Manga, a sandbar 22km in length and with a variable width from 100 to 1200m. It is part of the region of Campo de Cartagena and belongs to four municipalities: Cartagena, Los Alcazares, San Javier and San Pedro del Pinatar.

  3. With a surface area of nearly 170km², a coastal length of 70km, and warm and clear water which does not exceed 7m in depth, it is "the largest swimming pool in the world“ according to the opinions of the famous swimmer and Hollywood actress Esther Williams. CLIMATE:The average annual temperature is 17 º C and in the summer the average temperature is above 21 ° C, while in the winter does not fall below 10 º C.

  4. - The rainfall is low, less than 300 liters per square meter per year and 3000 hours of sunshine annually.

  5. Flora and fauna of the Mar Menor • The jellyfish Cotylorhiza tuberculata, together with the Rhizostoma lung, has become the species with more presence in the Mar Menor. Reaches 30 cm. in diameter and there is literally no place that does not have its presence ... • Gastropod mollusks have dramatically increased their presence. This is a predator Truncularia lamellibranch. Venus cockle and very abundant above, is being exterminated by this gastropod which is reproduced at high speed ...

  6. The best known is undoubtedly the Mar Menor prawn (Penaia kerathurus), typical inhabitant of sandy bottoms of La Manga and the subject of an important fishery due to its high commercial value. • One of the most peculiar features of the Mar Menor is the vegetation that sits on soft substrates, mud and sand. There aren´t other lakes where prairies formed by these species are so important.

  7. -Playa de los NietosUrban beach of dark sand. OUR BEACHES (playas) AND ISLANDS In the Mar Menor, you can find beautiful beaches and some islands.

  8. -Playa de los AlemanesSmall beach, which despite being quite urbanized, enjoy some tranquility.  -Playa Paraiso -Playa de Islas Menores

  9. -Playa Honda - Mar de Cristal Playa La Manga

  10. And at the edge of the town of Los Alcazares are the beaches of Los Urrutias, Punta Brava and El Carmolí. Three coastal towns where the beaches and the promenade is happening. Sandy beaches are very comfortable and quiet, and offer virtually all services. -Playa de los Urrutias.

  11. ISLANDS Perdiguera Island, has a height of 45 m to her pleasure boats arriving, so has tourism infrastructure and a path that allows full path to its perimeter.Deer island, is connected by an artificial arm to La Manga. Barón Island Mayor: 104 m high, is the largest. Located in the center of the lagoon, and is the best preserved.

  12. THE MINOR SEA HORSE 􀂃 The Murcia Oceanographic Centre has been developing a research project since 2004 to determine the causes of the extinction of sea horse. 􀂃 The habitat degradation and overfishing threatenthis species in the lagoon of Mar Menor.

  13. The genus Hippocampus, commonly known as sea horses, live in both tropical and temperate seas. The degradation of their habitats and overfishing has led these fish to the brink of extinction in many parts of the world. In the Region of Murcia this species is present mainly in the coastal lagoon of Mar Menor, having been seen sporadically in other parts of the coast of Murcia.In recent decades the population density of this species has declinedto an alarming extent in the lagoon of Mar Menor.

  14. The ecological success of a species is determined fromother factors, their reproductive capacity. Because the horses when they are born are about 1 cm in size, is extremely difficult to observe them directly in the natural environment. • For this reason, a project to breed captive seahorses in aquariums has been developed since 2008. • . To avoid putting even more at risk the seahorse population of the lagoon, the capture of adult seahorses has been forgiven . Baby seahorses were captured in the planktonic phase, growing up in aquariums to achieve sexual maturity. Natural conditions are kept and studied to determine what ideal conditions are needed for the reproduction of this species.

  15. Presentation done by Encarni Sanes and Carlota Guillén