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Remote sensing is an important tool for monitoring the environment. In this report we investigate the use of satellite images from two different...
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Two years ago the DCNA organized the first of its kind shark tagging expedition to the Saba Bank and St Maarten as part of the Dutch Postcode Lottery...
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The Saba Bank is an important habitat within the Yarari Shark Sanctuary. Visited by a variety of different species, little is known about the life...
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Abstract:
This study presents a comprehensive genetic analysis of stock structure for leatherback turtles (Dermochelys coriacea), combining 17...
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Abstract:
On 10 October 2010 Bonaire, Saba and St. Eustatius became ‘special municipalities’ of the Netherlands, making the Dutch government...
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Hi everyone, my name is Giancarlo Nunes and I’m the Research and Conservation manager for Fundacion Parke Nacional Aruba. I can be considered a jack...
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Coralita is an invasive plant species, rapidly spreading across St. Eustatius. A recently published report highlighted the ability to use satellite...
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Very high resolution satellite imagery has been acquired for Bonaire and concerns very detailed ortho-rectified imagery from the Pleiades satellites...
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The Dutch islands of Saba and St. Eustatius are located in the far north of the Lesser Antilles arc, a subduction zone hosting seventeen active...
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In June funding from the Dutch Caribbean Nature Alliance (DCNA) was confirmed to initiate a satellite tracking project of sea turtles on St Eustatius...
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The use of satellite tracking for the fundamental and applied study of marine turtles began in the 1980s but has undergone rapid growth in recent...
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Abstract:
The St Eustatius Sea Turtle Conservation Programme was initiated in 2001 due to concerns that the island’s sea turtle populations were...
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Land Surface Temperature and NDVI (normalized difference vegetation index ) for Bonaire at about 30x30 meter resolution originating from LANDSAT...
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Bonaire might have been on lockdown in 2020, but that didn’t keep Sea Turtle Conservation Bonaire from working hard. Their recently published annual...
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World view ortho rectified, 4 band pan sharpened satelite image from November 19, 2018.
Res: 32.53cm Cloud: 0% Off-Nadir...
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Satellite image-based mapping of tropical forests is vital to conservation planning. Standard methods for automated image classification, however,...
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Pleiades ortho rectified, 4 band pan sharpened satelite image from January 1, 2018.
Res: 50cm Cloud: 0% Off-Nadir: 14.05...
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Abstract:
The St Eustatius Sea Turtle Conservation Programme was initiated in 2001 due to concerns that the island’s sea turtle populations were...
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The St Maarten Nature Foundation launched the “Adopt a Shark” program during St Maarten Shark Week in June 2018, but due to the continued demand of...
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The advent of next-generation sequencing tools has made it possible to conduct fine-scale surveys of population differentiation and genome-wide scans...
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We observed green turtles and hawksbills along the west coast of Bonaire, around Klein
Bonaire, and adjacent to Lac during snorkel surveys. Green...
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Abstract:
The St Eustatius Sea Turtle Conservation Programme was initiated in 2001 due to concerns that the island’s sea turtle populations were...
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Mapping the land cover of Bonaire based on very high resolution PLEIADES satellite data of 2014-2016
Bonaire is rich in natural terrestrial...
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July 31st – August 7th, 2021 – For the first time on the Saba Bank, an expedition team was able to successfully assess the shark diversity by...
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Sea Turtle Conservation Bonaire (STCB) was initiated in the early 1990s to protect the island’s marine turtle populations. Our current research and...
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Abstract:
The St Eustatius Sea Turtle Conservation Programme was initiated in 2001 due to concerns that the island’s sea turtle populations were...
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The Lesser Antillean Iguana (Iguana delicatissima) is an endangered species threatened by habitat loss and hybridization with non-native Green...
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New methods are needed for the study of coral reefs, as they are changing rapidly. Satellite remote sensing has become a common method for benthic...
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Abstract
The Lesser Antilles, in the Eastern Caribbean, is inhabited by three Iguana species: the Lesser Antillean iguana Iguana delicatissima,...
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During the week of April 11, 2021, members from the Nature Foundation St. Maarten, the Dutch Caribbean Nature Alliance (DCNA), the Saba Conservation...
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The islands of Bonaire and Curaçao, Dutch Caribbean, were both mapped along their leeward coasts for dominant coral community and other benthic cover...
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Sea Turtle Conservation Bonaire (STCB) was formed in 1991 in order to protect the island’s marine turtle populations. In 2002 we standardized our...
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Agriculture on Bonaire does not support the demand for food on the island, and therefore the people are dependent on expensive food importation....
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The NOAA Coral Reef Watch program uses satellite data to provide current reef environmental conditions to quickly identify areas at risk for coral...
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Detecting patterns of spatial genetic structure (SGS) can help identify intrinsic and extrinsic barriers to gene flow within metapopulations. For...
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The Dutch Caribbean waters are home to more than thirty species of sharks and rays. With the creation of the Yarari Marine Mammal and Shark Sanctuary...
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NICO expedition: eddies
Rising ocean temperatures associated with global warming are changing our oceans and are projected to have a considerable...
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The island of Bonaire is a long-established Marine Protected Area (MPA), the reefs of which were extensively mapped in the early 1980s. Satellite...
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Abstract: The stratovolcanoes of Mt. Scenery at Saba and The Quill at St. Eustatius in the Caribbean Netherlands, with a total population of about...
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Findings on Marine Turtles
· Migration routes to and from nesting sites (typically index beaches) are variously known in the Caribbean,...
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The Lesser Antilles, in the Eastern Caribbean, is inhabited by three Iguana species: the Lesser Antillean iguana Iguana delicatissima, which is...
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Nederlands, Papiamento and Papiamentu below.
The Caribbean Shark Coalition (CSC) met for their first in-person summit in St. Maarten from September...
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This month’s issue is all about migration. An exciting discovery in Venezuela of bats originally tagged on Aruba and Bonaire, confirms their long...
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Abstract
Some excavating sponges of the genus Cliona compete with live reef corals, often kill- ing and bioeroding entire colonies. Important aspects...
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We use extensive geographical sampling and surveys of nuclear microsatellite and mitochondrial DNA loci to investigate the phylogeographic structure...
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In early September 2017, Irma was the most powerful hurricane that struck the northern Caribbean over the last 100 years. In the 21stcentury, the...
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Abstract
Invasive alien species are among the main drivers of the ongoing sixth mass extinction wave, especially affecting island populations....
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Abstract:
Numerous marine invertebrates form endosymbiotic relationships with dinoflagellates in the genus Symbiodinium. However, few studies have...
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Research Aim
We compared the following two methods for creating a map of the current distribution of Coralita:
1) Observer/Expert-based ground survey...
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BioNews 48- Dutch Caribbean Newsletter
BioNews is a newsletter produced by the Dutch Caribbean Nature Alliance (DCNA) which focuses on science and...
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Abstract:
The ability of coral reefs to recover from natural and anthropogenic disturbance is difficult to predict, in part due to uncertainty...
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Reference map of Bonaire (land; GIS). Digitized from Microsoft Bing satellite imagery and aerial photographs.
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Boa constrictor was first documented on the Caribbean island of Aruba in 1999. Despite intensive efforts to eradicate the snake from the island, B....
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Sea Turtle Conservation Bonaire (STCB) has been protecting sea turtles on Bonaire since 1991, so this year represents the 25th Anniversary of our...
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What is coral bleaching?
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae...
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The critically endangered coral species Acropora palmata used to dominate shallow Caribbean reefs but since the early 1980s, populations have...
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Abstract
The Lesser Antilles, in the Eastern Caribbean, is inhabited by three Iguana species: the Lesser Antillean iguana Iguana delicatissima, which...
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Findings:
The main conclusion from this study is that the combined levels of anthropogenic impact on the bay currently exceed sustainable levels. Lac...
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2005 was a very successful year for Sea Turtle Conservation Bonaire as we built upon the accomplishments of 2004. In all the program areas, staff and...
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Abstract
Satellite transmitters were deployed on three green turtles, Chelonia mydas, and two hawksbill turtles, Eretmochelys imbricata, nesting in...
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Abstract
Aim
A detailed understanding of spatial genetic structure (SGS) and the factors driving contemporary patterns of gene flow and genetic...
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Reference map of Bonaire (land / water; GIS). Digitized from Bonaire Pleiades very high resolution satellite imagery (50x50 cm) from 2014-2016.
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BioNews is a newsletter produced by the Dutch Caribbean Nature Alliance (DCNA) which focuses on science and conservation in the Dutch Caribbean....
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Download the Sea Turtle Conservation Bonaire Yearly Report 2020
Content:
introduction & backround
transect count surveys
Netting at lac bay...
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Starting August 1, 2021 a team of researchers will spend a week on the Saba Bank investigating the life-cycle of tiger sharks. Researchers will...
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Sea Turtle Conservation Bonaire proudly presents its 2012 Bonaire Sea Turtle Research and Monitoring Report.
In this report you will read about...
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Bonaire, St Eustatius and Saba, islands in the Caribbean, became Dutch municipalities in October 2010. These islands are considered hotspots of...
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As coral reefs continue to decline worldwide, it becomes ever more necessary to understand the connectivity between coral populations to develop...
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North Atlantic humpback whales, Megaptera novaeangliae, migrate from summer feeding grounds across the temperate and high latitudes to breeding...
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Sea Turtle Conservation Bonaire (STCB) was initiated in the early 1990s to protect the island’s marine turtle populations. Our current research and...
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The occurrence of basking sharks in the Caribbean Sea is only recently documented by satellite tagging studies, which show that some individuals...
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Sea Turtle Conservation Bonaire (STCB) has been protecting sea turtles on Bonaire since 1991, so this year represents the 26th Anniversary of our...
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Using multi-date satellite imagery and field observations, this paper assesses the inferred impacts of September 2017 cyclones on the beaches of...
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Description: This is a raster layer showing the results of a supervised Support Vector Machines classification of Coralita (Antigonon leptopus) land...
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Summary:
Information on the distribution, abundance and ecology of marine mammal in the Wider Caribbean Region is scarce. This report aims at...
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1.Our knowledge of the functional role of large herbivores is rapidly expanding, and the impact of grazing on species co‐existence and non‐native...
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Smalls islands are especially vulnerable to climate change and land use changes due to the competing needs for limited resources. To support...
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Land use map Bonaire at 2x2 m2 resolution, based on a classified Pleiades composite orthophoto the Bonaire vegetation survey and field observations...
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Please find attached a receivers logbook template with explanation and recommendations in the email below, developed by DCNA's Shark Intern Estela...
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It has been proposed that the elkhorn coral Acropora palmata is genetically separated into two distinct provinces in the Caribbean, an eastern and a...
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A tiger shark (Galeocerdo cuvier) tagged with a satellite transmitter by scientists and researchers from Saba, Sint Maarten and the United States has...
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Sargassum is a genus of brown macroalgae or seaweed that can be found in shallow waters or free floating in the ocean. Sargassum patches on the open...
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The Bonaire National Marine Park was first established in 1979. It surrounds the island of Bonaire and includes the satellite island and the waters...
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Rare and/or Endangered Land and Freshwater Mollusks of St. Martin.
In this article, Sint Maarten means the Dutch part and Saint-Martin the French...
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R script
Stela also attached the R script she used for the report. Please let her know if anyone wants to use it and needs her help, and she’ll go...
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Abstract:
K-selected species with low rates of sexual recruitment may utilise storage effects where low adult mortality allows a number of...
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Plans for a cutting edge, underwater research station ‘PROTEUS™’ have recently been released. The modular design, inspired by coral polyps, will...
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Kemp’s ridley (Lepidochelys kempii) is the world’s most endangered sea turtle species, and nests primarily on the Gulf of Mexico coast in Mexico. In...
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Island ecosystems are vulnerable to the influence of goats which are invasive to most islands and are considered the most damaging for island...
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Many marine species have widespread geographic ranges derived from their evolutionary and ecological history particularly their modes of dispersal....
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Many marine species have widespread geographic ranges derived from their evolu-tionary and ecological history particularly their modes of dispersal....
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Sea Turtle Conservation Bonaire (STCB) is a non-governmental, non-profit, research and conservation organization that began in 1991. Our mission is...
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It’s finally happening! After over a year of corona-related delays the Pregnant Tiger Shark Expedition is finally underway. We just finished our very...
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Benthic habitats (habitats occurring at the bottom of a water body) and coral reef ecosystems provide many functions. Currently, however, worldwide...
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Benthic habitats (habitats occurring at the bottom of a water body) and coral reef ecosystems provide many functions. Currently, however, coral reefs...
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Simple Summary: The illegal pet trade remains an ongoing, substantial threat to wild populations,
especially small insular populations, and can even...
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We here provide an overview of 72 invasive animals of the terrestrial and freshwater environments of the Dutch Caribbean, eleven of which are no...
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Abstract:
Organisations designed to manage and maintain Protected Areas are often faced with limited financial resources to maintain and monitor...
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Much of the lives of the most iconic shark species – including the tiger shark – remains a secret, even to shark researchers. This is because these...
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From cutting edge 3D models to innovative management techniques, 2022 poses to be an exciting year for St. Eustatius National Parks Foundation (...
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A new study will examine the genetic connectivity of corals located around the ABC islands. The goal is to find a link between the spatial...
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During the last decade several marine areas in the Wider Caribbean have been awarded extra protection as “marine mammal reserves”, such as the the...
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Abstracts:
TOURISM IN THE CARIBBEAN: CHALLENGES FOR THE MANAGEMENT OF FISHERIES & CORAL REEF ECOSYSTEMS (Sponsored by CORALINA & GCFI)
Kyne,...
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The journal of the Netherlands Malacological Society, Vita Malacologica, dedicated its December 2017 edition to the malacofauna of the Dutch...
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Abstract:
Sea turtles are adversely affected by a range of factors, some natural and others caused by human activities, such as fishing operations....