Western Australia Kinds Eucaliptus example essay topic

Australia, smallest of continents of the Earth, is allocated with an exclusive originality of the nature. It is continent of relicts, ancient natural objects and unique fauna. In a relief of the country the surfaces which have not changed since times of the tertiary period that is connected with features of formation of a relief inherent only in thus continent were kept - since time of branch from pramateric Pangea the Australian plate drifted on the south practically not influence any tectonic cataclysms. The nature ancient pramateric also has remained almost constant in conditions of long isolation from other continents and absence of a competition from " new " kinds of plants and animals, because Australia is separated from other continents by enormous oceanic spaces. The main sight of Australia nevertheless - lasting along all its east coast the Big Barrier reef entering into the list of the World Heritage of the United Nations, with its coral reeves known for the whole world and islands-resorts Lajzard, Bed arra, Highman, Hamilton, etc. Is the greatest reef system in the world and the greatest structure", created " by alive organisms of a planet.

In the north the reef is actually continuous and located all in 50 km. From coast, in the south it breaks up to groups of separate reeves, in some places receding from coast on 300 km. Hundreds and hundreds islands act from sea depths on a surface, and only two ten from them are manned. The big Barrier reef - "underwater Mecaa" of all skin-divers of the world.

Animal Australia so strange essences which jump, climb on holes and slide up and down a countryside, that before the last century was considered, that animals of continent had absolutely other starting point of evolution, in difference from other part of the ground, the separate theory of creation. The fauna of Australia is very various. Seven families of mammals and four families of birds meet only in Australia. About 70% of birds, 88% of reptiles and 94 of frogs are characteristic only for the given region. Seven from more than 700 kinds of the Australian birds and 19 kinds of mammals have been destroyed; 36 kinds of birds and 49 kinds of mammals are under threat of destruction. One of surprising features of Australia is absence of representatives of the majority of the groups presented on other continents.

In Australia in a plenty are found egg-put ed mammals-duck-bills, the water mammal covered by fur and having a beak, similar on duck, and it is malicious, or a prickly anteater. The majority of the local mammals-marsupials, the most known are a kangaroo which it is totaled about 50 kinds. On trees also there live some marsupials: the opossum and the koala. Australian bandicoot, marsupial mouse. On island Tasmania there lives a rare predator-marsupial a devil. One of typically Australian animals is the dog of a dingo.

Coastal waters serve as a shelter for a plenty of sea animals. In coastal waters of Australia there lives enough plenty of dangerous animals: about 70 kinds of sharks, including a black shark and reef shark; a jellyfish Australian (sea wasp) which one touch can tragically terminate; the sea snake achieving 3 m at length and which sting it is fatal; a warty fish and a blue octopus. Birds on continent more than 700 kinds: an ostrich emu, cazuar, coocabarra, lirotail, a plenty of parrots and a cockatoo, black swans, thin-billed petrel and many other things. Native plants of Australia are the strangest creations of the nature.

Botanical follies are most indicative in fruitless, droughty areas and regions where plants have developed unique abilities which have allowed them to survive on the driest continent of the ground. Up to 75% of kinds of plants meet only in Australia. About 840 kinds are on the verge of destruction, and 83 kinds of plants have been destroyed during colonization of continent. About 2 thousand kinds of plants have been delivered.

The majority of plants of Australia evergreen. In northeast of the country tropical woods, and also deciduous grow. Palm trees and fern grow in the neighbourhood with an oak, an ash, a birch. At northern coast are mangrovous thickets.

Along east coast and in Tasmania pine Hun a and a pine of King William, giving valuable wood grow. In woods of a southeast and a southwest prevails eucaliptus which is totaled more than 500 kinds, separate trees achieve height of 90 m. In Western Australia kinds eucaliptus, differing hardness and stability of wood grow. Especially it is a lot of in region of wild flowers. In Australia grows more than 500 kinds of an acacia: the flower of a gold Australian acacia is a national symbol of the country and is represented on its arms. the Basic rivers of Australia are located in east part of continent.

The rivers current on the east, is Burdekin, Fitzroy and Hunter. The largest river of Australia - Murray which together with the main inflow, the river Darling, lasts on 5 300 km. The rivers of the center of the country and the western part during a dry season dry up. The majority of natural lakes of Australia salty. In the south the whole network of salty lakes is located: Air, Torrens, Froum, Gayrdner-it the rests of the big internal sea which in an antiquity lasted from a gulf gulf of Carpentaria. The biggest fresh-water lake of Australia-is artificial the created lake Argajl., , pramateric. pramateric", ", , Lajzard, , Highman, ...

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