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China

China (i/ˈnə/; Chinese: 中国; pinyin: Zhōngguó), officially the People's Republic of China (PRC), is a sovereign state located in East Asia. It is the world's most populous country, with a population of over 1.35 billion. The PRC is a single-party state governed by the Communist Party, with its seat of government in the capital city of Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau). The PRC also claims Taiwan – which is controlled by the Republic of China (ROC), a separate political entity – as its 23rd province, a claim controversial due to the complex political status of Taiwan and the unresolved Chinese Civil War.


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Fishing

Fishing is the activity of trying to catch fish. Fish are normally caught in the wild. Techniques for catching fish include hand gathering, spearing, netting, angling and trapping.

The term fishing may be applied to catching other aquatic animals such as molluscs, cephalopods, crustaceans, and echinoderms. The term is not normally applied to catching farmed fish, or to aquatic mammals, such as whales, where the term whaling is more appropriate.

According to FAO statistics, the total number of commercial fishermen and fish farmers is estimated to be 38 million. Fisheries and aquaculture provide direct and indirect employment to over 500 million people. In 2005, the worldwide per capita consumption of fish captured from wild fisheries was 14.4 kilograms, with an additional 7.4 kilograms harvested from fish farms. In addition to providing food, modern fishing is also a recreational pastime.


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Fisherman

A fisherman or fisher is someone who captures fish and other animals from a body of water, or gathers shellfish.

Worldwide, there are about 38 million commercial and subsistence fishermen and fish farmers. The term can also be applied to recreational fishermen and may be used to describe both men and women. Fishing has existed as a means of obtaining food since the Mesolithic period.


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Reflection (physics)

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves. The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected. Mirrors exhibit specular reflection.

In acoustics, reflection causes echoes and is used in sonar. In geology, it is important in the study of seismic waves. Reflection is observed with surface waves in bodies of water. Reflection is observed with many types of electromagnetic wave, besides visible light. Reflection of VHF and higher frequencies is important for radio transmission and for radar. Even hard X-rays and gamma rays can be reflected at shallow angles with special "grazing" mirrors.


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Mirror image

A mirror image is a reflected duplication of an object that appears identical but reversed. As an optical effect it results from reflection off of substances such as a mirror or water. It is also a concept in geometry and can be used as a conceptualization process for 3-D structures.


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Guangxi

Guangxi (Chinese: 广西; pinyin: Guăngxī; Wade–Giles: Kuang-hsi; pronounced [kwɑ̀ŋɕí]), officially Guangxi Zhuang Autonomous Region (GZAR), is an autonomous region of southern China along its border with Vietnam. Formerly a province, Guangxi became an autonomous region in 1958.

Guangxi's location, in mountainous terrain in the far south of China, has placed it on the frontier of Chinese civilization throughout much of China's history. The current name "Guang" means "expanse" and has been associated with the region since the creation of Guang Prefecture in AD 226. It was given provincial level status during the Yuan Dynasty, but even into the 20th century it was considered an open, wild territory.

The abbreviation of the province is "桂" (Pinyin: Guì; Zhuang: Gvei), which comes from the city of Guilin, the former capital, center of much of Guangxi's culture, politics, and history, and currently a major city in the autonomous region.


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Guilin

Guìlín (Chinese: 桂林; Zhuang: Gveilinz) is a prefecture-level city in the northeast of the Guangxi Zhuang Autonomous Region, People's Republic of China, sitting on the west bank of the Li River. Its name means "forest of Sweet Osmanthus", owing to the large number of fragrant Sweet Osmanthus trees located in the city. The city has long been renowned for its unique scenery of Karst topography and is one of China's most popular tourist destinations.


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Cormorant fishing

Cormorant fishing is a traditional fishing method in which fishermen use trained cormorants to fish in rivers. Historically, cormorant fishing has taken place in Japan and China since about 960 AD. This technique has also been used in other countries but is currently under threat in China.

To control the birds, the fishermen tie a snare near the base of the bird's throat. This prevents the birds from swallowing larger fish, which are held in their throat, but the birds can swallow smaller fish. When a cormorant has caught a fish in its throat, the fisherman brings the bird back to the boat and has the bird spit the fish up. Though cormorant fishing once was a successful industry, its primary use today is to serve the tourism industry.

The types of cormorants used differ based on the location. In Gifu, Japan, the Japanese Cormorant (P. capillatus) is used; Chinese fishermen often employ Great Cormorants (P. carbo). Darters (Anhinga), which are very close relatives of cormorants, are also used for this fishing technique on occasion.