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There are lots of theories put forward for all aspects of natural resource conservation. One important region involves the design of nature reserves. In 1968 two biologists, MacArthur and Wilcox, published their island biogeography theory, which looked at ecological factors this kind of colonization, extinction and succession on various islands around the world.
Human populations are increasing by leaps and bounds. This has put such great pressure on the land that the future of the world's animals and plants hangs by a frayed thread.
Occasionally the population of an animal or plant is drastically reduced to only a couple of people by a major calamity. This is known as a genetic bottleneck. A recent example of this is a study from the lion population from the Ngorongoro Crater, Tanzania. The study illustrates the dangers of reserves becoming ecological islands surrounded by agricultural and developed land.
Hotel Paraiso del Cocodrilo with its familiar atmosphere is located besides the beach Buena Vista on the northwest pacific coast of Guanacaste, Costa Rica only 6 km (3,7 miles) from the beach town Samara. The untouched sandy beach Buena Vista is an insider tip and therefore only visited by few tourists. Walk a little further along the beach and see the important work of the ocean turtle conservation project and watch baby turtles being released to the ocean.