No wonder the world geography-Australia Christmas Island red crab _ study very simple _ Sina Blog

SINA global geography at Beijing time on 7 September, according to the United States National Geographic website reported that this group of pictures shows Australia Christmas Island red crab spectacular scenes of great migration. For a long time, this usually does not love the red crab activities for a few days of the great migration is a puzzling mysteries. According to the scientists of the United Kingdom, a new study, red crab in vivo effect on glucose hyperglycemia hormone surge is the migration of the desired source of energy. 1. the red crab group red crab Group (source: Mrinalini/Bangor University) in this site is not dated, a large number of photos of the red crab assembled in Australia Christmas Island beach. United Kingdom scientists conducted a new study has opened up a long around Christmas Island red crab puzzles, research papers, co-author Lucy �� Turner's words, is this not generally how migratory species have so astonishing fortitude to Earth's most difficult migration? when Christmas Island greeting the annual rainy season, there will be millions of Christmas Island red crab only for a few days of the great migration from relatively high rain forest plateau, visits to the Indian Ocean Beach, and then dig holes in the mate on the beach. As a United Kingdom Bristol University biologists of Turner said: "this is an amazing feat. Before migrating, they are more than ten minutes motionless, migration, they have to travel long distances, travel up to several kilometres. "By moving the red crab in the cycle of liquid (blood) sampling, Turner and his colleagues found this crustacean in vivo effect on glucose hyperglycemia hormone surge. Glucose is a sugar that generate energy for the long journey to provide energy. Turner pointed out that the Christmas Island red crab in the endocrine system also stores a sufficient number of sugar and allow them to return to the rainforest home. Study published in the September edition of the journal of experimental biology. 2. the red crab intrusion red crab invasion (source: Photolibrary) photos, children observe migratory Christmas Island red crab. In October or November in the rainy season, Christmas Island, Australia will become a red crab in the world in Montreal. Research paper co-author Turner said: "big red crab marching completely disrupted local the vast majority of people's everyday lives, even had to turn off the main road also. But Christmas Island residents have become accustomed to this day, know how to get along with them. For such a length of 8 inches (approximately 20 cm) of crustaceans, some residents will give them a good protection. The students will put up warning signs to alert motorists to people, so as to avoid the pressure to the red crab. But even so, there are still many red crab killed under the wheels. "3. the crab group seaside spawning crab group seaside spawning (source: Photolibrary) Turner pointed out that, once arrived at the beach of mating, male Christmas Island red crab will dig holes while protected from predators. Female crab would cave in and male mating, then straight into the crab crawl towards the sea, and their eggs will hatch immediately after contact with seawater. Juvenile crab will coast seaweed and slowly mature, the last climb up to the land, repeat this lifecycle. 4. the red crab Legion into Stadium red crab Legion into Stadium (source: Roger Garwood/NationalGeographic) Turner said, including 80 after, golf lovers will know how to deal with the annual invade red crab. She said: "golf course has a special provision �� if you touch the ball red crab, you also have to go with the ball, and take the ball stopped to place the ball. "Fortunately, Christmas Island red crab brings not only trouble. According to Christmas Island National Park website news, their droppings are important rainforest fertilizer and burrow behavior would be to turn the soil and help the role of soil respiration. 5. the two red crab stalemate standoff two red crab stalemate standoff (source: Mrinalini/Bangor University) in 2007, fieldwork, Turner and his colleagues often and this curious crab. They are passionate climbing, often climbing into the research station and even scientists. Turner said: "If you forget to close the door when you go out, you'd probably be in the room found a red crab. "In addition to the red crab, scientists on basketball-sized coconut crab. Coconut crab is the world's biggest land crabs. It is worth mentioning that Christmas Island coconut crab quantity is also the largest in the world. 6. Beach tour Beach tour (source: Photolibrary) according to Christmas Island National Park website, Christmas Island living on a total of 14 species of crab, red crab is one of the most common. Red crabs in a wide variety of habitats in the hole, such as marine terraces and lush rain forest, even in the Garden Island residents, we can find traces of them. In the dry season, the red crab will use leaves plug hole, keep the cave the humid, and hid in a cave, a stay is three months. 7. the tourists taking pictures of red crab as red crab photographed visitors (source: Roger Garwood/NationalGeographic) in this site is not dated photos, a tourist is giving Christmas Island red crab pictures. Australia officials recommended that visitors in November or December of falling during the coming Christmas Island, because this is the most ideal view crab. Christmas Island National Park site, red crab breeding next generation follow a strict schedule. Female crab is falling when spawning, the iron before sunrise. 8. rail into hell Rails into hell (source: Roger Garwood/National Geographic) infrastructure on the migration of Red crabs pose the greatest threat. Christmas Island National Park website that Christmas Island on some "red crab private channel", set up a fence along the road or plastic fencing, help the crab group avoid the traffic.