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Nature

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Thursday, September 14, 2006

Environmental Police Group is Formed on Bonaire

Recently it was announced that a new Environmental Police Group was formed, made up of representatives from Stinapa, the Police Department, SSV, and the Police Ambiental.

Although ten Stinapa employees received official police powers in 2005, their Board of Directors felt that the rangers should not be armed.  However, it became apparent that additional control was needed, and therefore, then-Public Prosecutor Ernst Wesselius suggested the new Environmental Police Group. 

After multiple discussions, this week the group was formalized with Chief of Police van Stratton, and will consist of two members each from the four above-captioned entities.  Their sole purpose will be to investigate any charges of environmental issues, with priority placed on poaching of conch, spearfishing, construction debris and illegal dumping of construction materials, and illegal construction in the Bonaire National Marine Park (the construction of stairs, piers, etc. without permission).  (Source:  Stinapa release)

Posted by Susan Davis on September 14, 2006 at 11:58am AST
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Tuesday, September 12, 2006

Visiting Scientists to Present Theories on Origin of Bonaire

All are invited to a special presentation on Thursday, September 14, 2006 at 6:00 PM by Dr. Richard Spikings and Roelant van der Lelij, from the Department of Mineralogy, University of Geneva.  The presentation will be held in the conference room at Captain Don’s Habitat and will cover their theories regarding plate tectonics and how they are related to the origin of Bonaire.

Recently, Dr. Spikings and Mr. van der Lelij have traveled to both Aruba and Bonaire to collect rock samples as part of an earth sciences research project entitled “Thermochronology of the South Caribbean Plate Boundary Zone: Dutch Antilles and the Sierra Nevada de Santa Martha Colombia.” Dr. Spikings will explain about his research and his theories that our islands were not created on this spot, but actually more in the vicinity of the Galapagos Islands.  (Source:  Stinapa Release)

Revised September 25, 2006: Dr. Spikings and his colleague provided interesting and thought-provoking theories as to how the island of Bonaire originated.  After 8 years of field studies, much of which was spent in Ecuador and Colombia, and more recently, Bonaire and Aruba, Dr. Spikings has presented the following theorum which spans 100 millions years ago to a mere 9 million years ago.

He believes that the island of Bonaire may be the last remaining remnant of the proto-Great Arc of the Antilles within the southern Caribbean realm, which began forming prior to 100 million years ago in the expanding gap between South and North America, before the Central American land bridge joined those continental plates.  This volcanic arc (volcanic island chain) formed when the Farallon Plate (in the Pacific) moved under, or subducted beneath the Atlantic ocean (the North American Plate).  This gave rise to volcanic activity on the ocean floor, in the area which would now be located north of Colombia, and the beginnings of Bonaire were formed.

Approximately 90 million years ago, a widespread volcanic event focused on the area occupied by the present-day Galapagos islands gave rise to the oldest rocks on Aruba and Curacao, and this area was located just west of the proto-Great Arc of the Caribbean, but was drifting eastward towards it.  Over millions of years, the volcanic rocks of Curacao and Aruba migrated eastwards towards the almost stationary volcanic chain, which partly comprised Bonaire, and they eventually collided together approximately 85 million years ago.  The rocks of the Netherlands Antilles were now joined together, and collectively migrated eastwards, where they were forced into the growing gap between the North and South American plates. This moving mass of rock, which included the Netherlands Antilles, collectively formed the Caribbean Plate, which still exists today. As the Caribbean Plate migrated eastwards, the southern portion of it collided and scraped against the northern part of the South American Plate, detatching rocks of the Netherlands Antilles from the remainder of the Caribbean Plate. Consequently, the rocks of the Netherlands Antilles reside in a distinct faulted unit of rock, referred to as the “Bonaire Block”, which is trapped between the Caribbean and South American Plates. The research group of Dr. Richard Spikings is currently investigating the tectonic history of the Bonaire Block, which may permit predictions to be made as to where the block will migrate to in the future.

Posted by Susan Davis on September 12, 2006 at 9:50pm AST
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Friday, September 08, 2006

Bonaire Nature Alliance Issues Statement Regarding Ramsar Protection for Lac Bay

The umbrella organization for the Bonaire nature groups, Aliansa Naturalesa di Bonaire, issued a statement today regarding the classification of the Lac Bay area as a protected Ramsar site, in an effort to underscore their objections to the construction of a development in that area.

Ramsar is an agreement signed at an international convention in 1971 in Ramsar, Iran.  At this moment, there are 153 countries around the world, including Holland, that have signed the Ramsar Convention.  This convention allows for protection of areas of salt water habitats that have world-importance.  In May, 1980, the government of Bonaire petitioned Holland to declare five sites protected under Ramsar:  Salina Slagbaai, Pekelmeer, Klein Bonaire, Gotomeer, and Lac.  All five areas were accepted for standing protection under the Convention.

The property in question is The Mangrove Village and construction has already commenced.  For additional information, click here(Source: Aliansa Naturalesa di Bonaire)

Posted by Susan Davis on September 08, 2006 at 12:55pm AST
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Tuesday, August 22, 2006

Predicted 2006 Coral Spawning Dates Are Released

Paul C. Hoetjes, Senior Policy Advisor for the Department of Environment & Nature (MINA), recently announced predicted dates for the 2006 coral spawning event.

In the northern Caribbean, the two month cycle already began in August, but here in the southern Caribbean (Bonaire and Curacao) it normally starts in September. Recent messages on the coral list indicate that there was reduced spawning this month around Puerto Rico, perhaps as a consequence of last year’s bleaching and subsequent diseases resulting in a poor condition of the corals.

For more information about predicted coral spawning dates for Bonaire, click here (PDF)(Source:  The Department of Environment and Nature (MINA))

Posted by Susan Davis on August 22, 2006 at 8:54am AST
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