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Topic: Rocas Atoll


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  UNEP-WCMC Protected Areas Programme - Brazilian Atlantic Islands   (Site not responding. Last check: 2007-10-26)
The Rocas Atoll is a reef formation on a submarine mountain rock substrate, with an area of some 7.5 sq.
Rocas Atoll has a sense island vegetation which is herbaceous and salt resistant and predominant species include Portulaca oleracea (Portulacaceae), Sesuvium portulacastrum (Aizoaceae), Cyperus ligularis (Cyperaceae), and Eragrrostris prolifera (Poaceae).
Rocas Atoll is the only atoll in the South Atlantic and is important for its reef formations and large colonies of breeding seabirds.
www.unep-wcmc.org /sites/wh/bra_atlan.html   (2386 words)

  
  Rocas Atoll - Japan
Rocas Atoll (Atol das Rocas) is an atoll in the Atlantic Ocean at location 03°52′S 33°49′W.
The atoll consists mainly of coral and red algae.
Rocas Atoll · Fernando de Noronha · Trindade and Martim Vaz
rocas-atoll.zdnet.co.za /zdnet/Rocas_Atoll   (612 words)

  
  Fernanda de Noronha-Atol das Rocas moist forests - Encyclopedia of Earth
The archipelago of Fernando de Noronha and its neighbor Atol das Rocas belong to the Fernando de Noronha Chain of submerged east-west volcanic mountains in the equatorial Atlantic Ocean.
Winds blow from the east, and measured at Atol das Rocas, average air temperature is 26.8ºC, and surface water temperature is 26.7ºC. Temperatures are slightly lower farther from the mainland on Fernando de Noronha.
Atol das Rocas lies in a heavily fished area of the Atlantic, and before protective measures were in place, many ships were grounded off of the atoll, which causes considerable physical damage to shallow reef areas, particularly at low tide.
www.eoearth.org /article/Fernanda_de_Noronha-Atol_das_Rocas_moist_forests   (2292 words)

  
 What's New at the WCPA
Atol das Rocas is located in the Southern Atlantic Ocean, at precisely 03º 51í 03" South and 33º 40í 29" West, in Brazilian territorial waters.
The Biological Reserve of Atoll das Rocas is the single most important site for tropical seabirds in the whole Atlantic, harbouring both the largest diversity of species and the highest number of individuals.
ìI left the Atoll with the feeling that ìZeliñaî is an example of commitment that her team follows in their work and that, in some way, even the thousands of birds living in the atoll and the sharks swimming around it knows and respect her.
www.iucn.org /themes/wcpa/newsbulletins/news/altorocas.html   (386 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: 2007-10-26)
Rocas Atoll (Atol das Rocas) is an atoll in the Atlantic Ocean at location.
The oval atoll is 3.7 km (2.3 miles) long and 2.5 km (1.6 miles) wide.
The atoll consists mainly of coral and red algae.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Rocas_Atoll   (289 words)

  
 Geological and Paleontological Sites of Brazil - 033 - ROCAS ATOLL   (Site not responding. Last check: 2007-10-26)
Rocas is a geologic site because as a reef it is a carbonate deposit that results from the building activity response of benthic organisms to environmental parameters such as light availability, hydrodynamics and relative sea level fluctuation.
This is possibly the surface of the substrate of Atol das Rocas.
Rocas is composed of zones frequently found in the Caribbean atolls despite its reduced dimensions and formation of an semi-closed ring (Figure 2B, Table 1).
www.unb.br /ig/sigep/sitio033/sitio033english.htm   (5045 words)

  
 [No title]
The water at the Atoll was characterized as Tropical Oceanic, with salinity betweem 37-39ppm and temperature between 28,0 and 32,2ºC. The identified zooplankton belongs to the folowing taxa: Hydroida, Siphonophora, Polychaeta,
A medium similarity was found between the qualitative composition of the Atoll’s zooplankton and that of areas near the coast and of the ocean in the Northeast region.
The Rocas Atoll may be caracterized as a spawning site because of the high density of the fish eggs.
www.propesq.ufpe.br /tropical_oceanography/resumos/25_pinto.html   (559 words)

  
 Rocas Atoll at AllExperts
Rocas Atoll (Atol das Rocas) is an atoll in the Atlantic Ocean at location.
The atoll is a wildlife sanctuary, and in 2001 was designated by UNESCO as a World Heritage Site.
The atoll consists mainly of coral and red algae.
en.allexperts.com /e/r/ro/rocas_atoll.htm   (317 words)

  
 Rocas Atoll - Definition, explanation
Rocas Atoll is an atoll in the Atlantic Ocean at location {{coor{
The atoll is a wildlife sanctuary, and since 2001 a World Heritage property of UNESCO.
The coral ring is almost closed, with a 200 m wide channel on the North side and a much narrower channel on the West side.
www.calsky.com /lexikon/en/txt/r/ro/rocas_atoll.php   (282 words)

  
 @Sea Shark Mission, Day 3   (Site not responding. Last check: 2007-10-26)
His research suggests that the arrival of sharks at the atoll is closely tied to the rhythm of the tides.
Armed with this knowledge, a new group of scientists landed on the atoll's beach, then made their way, on foot through the sandy and muddy shallows of the lagoon with the brutal equatorial sun overhead.
Navigating the atoll's treacherous channel, with its swift current and large waves, is a daunting way to get past the breakers.
www.bonus.com /contour/Adventures_Aboard_Vesesls/http@@/www.at-sea.org/missions/sharks/031599/dispatch.html   (788 words)

  
 Terrestrial Ecoregions -- Fernando de Noronha-Atol das Rocas moist forests (NT0123)
Winds blow from the east, and measured at Atol das Rocas, average air temperature is 26.8ºC, and surface water temperature is 26.7ºC (WCMC 1994).
The waters surrounding Atol das Rocas harbor a great abundance of commercial fishes as well as lobsters, which were one cause of heavy fishing activity around the atoll in the past (Kikuchi 1999).
Atol das Rocas lies in a heavily fished area of the Atlantic, and before protective measures were in place, many ships were grounded off of the atoll, which causes considerable physical damage to shallow reef areas, particularly at low tide (IUCN/UNEP 1988).
www.worldwildlife.org /wildworld/profiles/terrestrial/nt/nt0123_full.html   (2183 words)

  
 @Sea Shark Mission, March 12, 2000
Thirty hooks baited with bloody barracuda steaks are strung in a row, stretching eastward one kilometer.
During last year's Rocas expedition, scientific crew members Demian Charpam (Nova Southeastern University Oceanographic Center) and Ricardo Garla (University of Sao Paulo) noticed large numbers of newborn and juvenile reef sharks on the shallow reef surrounding the atoll.
Funded by Nova Southeastern University, the University of Sao Paulo and Project AWARE, the project aims to characterize the movement patterns and population structure of the Caribbean reef shark in the tropical western Atlantic Ocean.
www.at-sea.org /missions/sharks/031200/dispatch1.html   (1005 words)

  
 Claudio, B., M. A. Marcovaldi, T. M. Sanches, A. Grossman & G. Sales. 1995. Atol das Rocas Biological Reserve: Second ...
Researchers are sent to the atoll at the end of December, at the start of the nesting season, and remain until July when the last hatchlings emerge from their nests.
Aside from the second largest nesting population of green turtles in the country, the atoll is also visited by thousands of migratory marine birds, and harbours noteworthy marine biodiversity.
For a long time the atoll was a favored area for fishermen, but since 1990 the effective implementation of the Biological Reserve and the constant enforcement of its protected status have guaranteed the area's preservation.
www.seaturtle.org /mtn/archives/mtn72/mtn72p1.shtml   (507 words)

  
 List of best Coral reefs in the world : Mapsack.com
It is a unique example of an atoll reef with a very high density of marine species; the North Islet serveing as a nesting site for birds and marine turtles.
The coastal area of Belize is an outstanding natural system consisting of the largest barrier reef in the northern hemisphere, offshore atolls, several hundred sand cays, mangrove forests, coastal lagoons and estuaries.
The atoll is comprised of four large coral islands which enclose a shallow lagoon; the group of islands is itself surrounded by a coral reef.
www.mapsack.com /theme/coral_reef?country=&continent=   (524 words)

  
 Rocas_Atoll - The Wordbook Encyclopedia
Rocas Atoll (Atol das Rocas) is an atoll in the Atlantic Ocean at location [http://tools.wikimedia.de/~magnus/geo/geohack.php?params=
The oval-shaped atoll is 3.7 km (2.3 miles) long and 2.5 km (1.6 miles) wide.
The coral ring is almost closed, with a 200 m (660 ft) wide channel on the North side and a much narrower channel on the West side.
www.thewordbook.com /Rocas_Atoll   (356 words)

  
 DCP: 4 degrees south, 34 degrees west
Atol das Rocas is a dangerous coral atoll.
Within the reef, in the lagoon, is an area of sand and shingle with shallow pools.
A light is situated on Atol das Rocas.
confluence.org /confluence.php?lat=-4&lon=-34   (612 words)

  
 A Global Representative System of Marine Protected Areas - 8 South Atlantic   (Site not responding. Last check: 2007-10-26)
The atoll is an almost circular reef possibly lying on the same submarine shelf (the platform of the Rio Grande do Norte) as Fernando de Noronha.
Fernando de Noronha is a volcanic archipelago consisting of a principal island of 17 square kilometers and eighteen islets of varying sizes.
This is the only atoll in the South Atlantic and is formed by a reef area of 7.2 square kilometers.
www.environment.gov.au /coasts/mpa/nrsmpa/global/volume2/chapter9.html   (6095 words)

  
 BRAZILIAN ISLANDS (Ilhas do Brasil): FERNANDO DE NORONHA, ATOL DAS ROCAS, TRINDADE, MARTIN VAZ FROM THE AIR
Located 266 km from Brazilian coasts, Atoll das Rocas (7 km its circumference) demonstrates a spectacular seascape at low tide when the exposed reef surrounding shallow lagoons and tidal pools forms a natural aquarium.
Situato a 266 km dalla costa brasiliana, Atoll das Rocas (7 km la sua circonferenza) ha un incredibile paesaggio marino durante la bassa marea, quando la barriera corallina affiora e si formano piccole lagune e pozze che formano degli acquari naturali.
Atoll das Rocas assieme a Fernando de Noronha è nella lista UNESCO dei patrimoni mondiali dell'umanità dal 2001.
www.colonialvoyage.com /viaggi/brazilfernandoair.html   (452 words)

  
 Finance Choices - Personal Finance Wiki
There are also many mangroves in the state, and the interior is dominated by rainforest.
Rocas Atoll in the Atlantic Ocean, 260 km Northeast of Natal, also belongs to the state of Rio Grande do Norte.
St. Peter and Paul Rocks · Rocas Atoll · Fernando de Noronha · Trindade and Martim Vaz
www.financechoices.co.uk /personal-finance-wiki.php?title=Rio_Grande_do_Norte   (1046 words)

  
 Learning Portuguese - Atol das Rocas
A protected biological reserve, Atol das Rocas is an atoll, or reef-island encircling a lagoon, which provides a home to various rare speicies of plant and animal life.
There is no human population, and in fact, people are not allowed on the atoll unless they have permission to conduct scientific research there, such as the volunteers of the Tamar project who tag and track turtles in this vicinity.
Please keep the topic of messages relevant to the subject of the article.
www.learningportuguese.co.uk /countries-where-portuguese-is-an-official-language/atol-das-rocas.html   (114 words)

  
 CDNN :: Brazil Islands Named New World Heritage Site
The Fernando de Norhonha and Atol das Rocas archipelagos are exceptionally rich with marine life.
Their waters are vital breeding and feeding areas for tuna, sharks, marine mammals and sea turtles, including endangered species such as the hawksbill turtle.
Baia de Golfinhos supports unusual numbers of resident spinner dolphins, while the Rocas Atoll provides a spectacular seascape of lagoons and tidal pools teeming with fish.
www.cdnn.info /eco/e011215a/e011215a.html   (607 words)

  
 Atoll Malediven Island Hotel Bikini Urlaub Res kaufen!
Study commissioned by the French government to determine the degree of degradation of the environment of the atolls as a result of French nuclear testing.
Atoll - ein Erlebnis, das man gerne wiederholt.de.wikipedia.org/wiki/Atoll de.wikipedia.org/wiki/Bikini-Atoll Weitere Ergebnisse von de.wikipedia.org Welcome to Bikini Atoll - Information on Bikini Atoll in the Marshall Islands, the site of many American nuclear tests in the 1940s and 1950s.
With timeline, illustrations.nature.org/wherewework/asiapacific/palmyra/www.425dxn.org/dc3mf/kure.htmlKure Atoll - Outermost of the Hawai`i GroupBrief by Wolfgang Schippke on recent history and current state of the atoll.www.425dxn.org/dc3mf/kure.htmlwww.glovers.com.bzGlovers Atoll ResortCamping, dormitories, and thatched cabins, with shared kitchen and bathing.
www.dessousstore.de /10877_Atoll_1.html   (1254 words)

  
 The Forgotten Atoll :Off the fence : documentaries, wildlife television, natural history programs
That refuge is Rocas, the only atoll in the South Atlantic Ocean.
The atoll is a complex organism, made up of many different environments: islands, lagoon, open ocean, channels connecting the internal lagoon to the ocean, tidal pools carved out of the reef.
Rocas is a beautiful but harsh place and the adventure is not easy, but it will be worth the effort.
www.offthefence.com /?p=278   (208 words)

  
 Atoka Oklahoma Newspaper
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atoka-oklahoma-newspaper.bestphone06.org   (995 words)

  
 Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves - UNESCO World Heritage Centre
Peaks of the Southern Atlantic submarine ridge form the Fernando de Noronha Archipelago and Rocas Atoll off the coast of Brazil.
An oasis of marine life in relatively barren, open ocean, the islands play a key role in the process of reproduction, dispersal and colonisation by marine organisms in the entire Tropical South Atlantic.
Criterion (vii): Baía dos Golfinhos is the only know place in the world with such a high population of resident dolphins and Atoll das Rocas demonstrates a spectacular seascape at low tide when the exposed reef surrounding shallow lagoons and tidal pools forms a natural aquarium.
whc.unesco.org /pg.cfm?cid=31&id_site=1000   (411 words)

  
 Dookoła Świata - KrisS
Later the French came with the French Cable and the Italians with Intalcable.
In 1942, during World War II, the archipelago was made a Federal Territory that also included Rocas Atoll and Saint Peter and Paul Rocks, and political and ordinary prisoners were sent to the local prison.
In 1988 approximately 70% of the archipelago was declared a national park, with the goal of preserving the land and sea environment.
www.dookolaswiata.pl /kraje/oceanatlantycki/fernando/fernando-ang.htm   (613 words)

  
 Fernando de Noronha
Its main island and the visible part of a submersed range of mountains (the Dorsum of the Atlantic) cover an approximate area of 17 km, all surrounded by other islands of larger or smaller rocks.
(Islands besides the "Atol das Rocas" (Rock Atoll) and the rocks of "Sao Pedro and Sao Paulo").
Researches have been done in different times confirming how rich the soil is, due to the existence of calcium phosphate ("Guano"), as a result of the millenarian deposit of dried excrement from migratory fish eating seabirds.
www.bgt.com.br /fernandodenoronha.htm   (482 words)

  
 action.gif
The archipelago of Fernando de Noronha is located at 145km from the atoll das Rocas, at 525 km from Récife and at 350 km from Natal.Its 21 islands represent a surface of 26 km2.
Its crystal-clear water (24°C) and its rich animal life make it a real submarine paradise.The main island, very few populated has its main source of revenue thanks to tourism.
Tourism became a blessing for the economy but a scourge for the archipelago's ecosystem, as a result, the number of visitors is limited to 480 persons.However the Ibama controls seriously the access, in fact there 12 guards on the island.
www.sossego-surfcamp.com /english/pages/tripsurf.php   (298 words)

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