Nice Africa photos

Some cool africa images:

Endangered Orbea paradoxa flowers
africa
Image by Martin_Heigan
Endangered Orbea paradoxa (South African Stapeliad) flowers.

A number of plants were rescued by the National Botanical Institute of South Africa, when their natural habitat was destroyed by the construction of the Jozini Dam. Orbea paradoxa is now on the Endangered Species "Red Data List" in South Africa.

The Orbea paradoxa plants in this photograph, is now part of an ex situ conservation programme at the Walter Sisulu National Botanical Garden in Poortview, South Africa.

Martin

Administrator of:
Stapeliad & Asclepiad Group
All things beautiful in Nature Group
Succulent Treasures of the Desert Group
The World Up-Close (Nature Macro) Group

Blow my Vuvuzela
africa
Image by Eustaquio Santimano
World Cup 2010, South Africa

The vuvuzela (English pronunciation: /vu?vu??ze?l?/ voo-voo-ZAY-l?), also known as lepatata (its Tswana name) and stadium horn, is a typical 65 cm (2 ft) plastic blowing horn that produces a loud, distinctive monotone (B?3) note. A similar instrument, known as the corneta, is used in Brazil and other Latin American countries. Many types of vuvuzela, made by several manufacturers, may produce varying intensity and frequency outputs. The intensity of these outputs depends on the blowing technique and pressure exerted.

The vuvuzela is most used at football matches in South Africa. It has become a symbol of South African football as the stadiums are filled with its loud and raucous sound that reflects the exhilaration of supporters. The intensity of the sound caught the attention of the global football community during the 2009 Confederation Cup in anticipation of South Africa hosting the 2010 World Cup. However, its usage has raised health issues.

The vuvuzela has been subject to controversy. It produces dangerously high sound pressure levels for unprotected ears. Extended exposure to the vuvuzela can lead to permanent hearing loss. The maximum sound output is varied between 113 and 131 dBA. In response to the controversy, a new model has a modified mouthpiece that reduces the volume by 20 dB. However, international commentators, players and audiences call to ban vuvuzelas at football matches.

en.wikipedia.org/wiki/Vuvuzela

Rinoceront blanc (Ceratotherium simum)
africa
Image by desdibuix – miquel
View On Black

Els rinoceronts (Rhinocerotidae del grec "rhino", nas, i "keras", banya, nas banyut) són qualssevol de les cinc espècies supervivents de la família dels rinoceròtids. Les cinc espècies són natives d’Àfrica, l’Orient Mitjà, i del sud d’Àsia. Moltes de les espècies de rinoceront es troben en perill d’extinció.

Aquesta família es caracteritza per la seva gran mida (una de les poques supervivents que constitueixen la megafauna) amb espècies capaces d’arribar a la tona o més; dieta herbívora; i una gruixuda pell protectora, 1’5-5 cm de gruix, formada per capes de col·lagen; cervell relativament petits per mamífers d’aquesta mida (400-600g); i la banya. Els rinoceronts són apreciats per les seves banyes. No es tracta d’una banya vertadera, està constituida per pèl gruixut compactat que creix des d’el crani sense suport esquelètic. Els rinoceronts també tenen una bona oïda així com un excel·lent sentit de l’olfacte, però no tenen bona vista a qualssevol distància. La majoria dels rinoceronts viuen 50 o més anys.

Les dues varietats africanes tenen dues banyes en tàndem mentres que els tipus asiàtics només presenten una banya.

The Rhinoceros often colloquially abbreviated rhino, is one of only five surviving species of odd-toed ungulates in the family Rhinocerotidae. Two of these species are native to Africa and three to southern Asia. Three of the five species—the (Javan, Sumatran and Black Rhinoceros)—are critically endangered. The Indian is endangered, with fewer that 2500 individuals remaining in the wild. The White is registered as Vulnerable, with roughly 14,500 remaining in the wild.

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