Andrea Polanco F.
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View article: Combining environmental DNA and remote sensing variables to model fish biodiversity in tropical river ecosystems
Combining environmental DNA and remote sensing variables to model fish biodiversity in tropical river ecosystems Open
Tropical river ecosystems face substantial threats, leading to a sharp decline in their biodiversity. High-resolution data on the spatial distribution of biodiversity is essential for devising effective conservation strategies. However, bi…
View article: A Confidence Scoring Procedure for <scp>eDNA</scp> Metabarcoding Records and Its Application to a Global Marine Fish Dataset
A Confidence Scoring Procedure for <span>eDNA</span> Metabarcoding Records and Its Application to a Global Marine Fish Dataset Open
Environmental DNA (eDNA) metabarcoding is changing the way biodiversity is surveyed in many types of ecosystems. eDNA surveys are now commonly performed and integrated into biodiversity monitoring programs and public databases. Although it…
View article: ATL_FISHREF: A <scp>12S</scp> mitochondrial reference dataset for metabarcoding Atlantic fishes frequently caught during scientific surveys in the Bay of Biscay
ATL_FISHREF: A <span>12S</span> mitochondrial reference dataset for metabarcoding Atlantic fishes frequently caught during scientific surveys in the Bay of Biscay Open
The biodiversity crisis driven by anthropogenic pressures significantly threatens marine ecosystems. The rate of climate change and anthropogenic impacts outpace our traditional observation tools' capabilities, underscoring the urgency for…
View article: Fauna diversity in Madracis spp. coral patches in the Colombian Caribbean
Fauna diversity in Madracis spp. coral patches in the Colombian Caribbean Open
Madracis spp. coral patches are the main deep–sea framework builder observed on the shelf–break scarp of the Colombian Caribbean, between 107 and 230 m depth. The Marine Protected Area, Corales de Profundidad National Natural Park, was est…
View article: Environmental DNA complements scientific trawling in surveys of marine fish biodiversity
Environmental DNA complements scientific trawling in surveys of marine fish biodiversity Open
Environmental DNA (eDNA) metabarcoding is a method to detect taxa from environmental samples. It is increasingly used for marine biodiversity surveys. As it only requires water collection, eDNA metabarcoding is less invasive than scientifi…
View article: The distribution of coastal fish <scp>eDNA</scp> sequences in the Anthropocene
The distribution of coastal fish <span>eDNA</span> sequences in the Anthropocene Open
Aim Coastal fishes have a fundamental role in marine ecosystem functioning and contributions to people, but face increasing threats due to climate change, habitat degradation and overexploitation. The extent to which human pressures are im…
View article: Checklist and new records of coastal-marine fishes of the Department of Atlántico (Colombian Caribbean)
Checklist and new records of coastal-marine fishes of the Department of Atlántico (Colombian Caribbean) Open
This first checklist of coastal marine fish inhabiting the Department of Atlántico (Colombian Caribbean) was compiled through an exhaustive review of published information, databases, other unpublished sources, and primary data. We recorde…
View article: Benthic macrohabitat classification and Madracis spp. coral patch distribution in a deep-sea marine protected area of Colombia
Benthic macrohabitat classification and Madracis spp. coral patch distribution in a deep-sea marine protected area of Colombia Open
Corales de Profundidad National Natural Park (CPNNP), at the central Colombian Caribbean margin, has an extension of 142.195 ha with depths ranging from 34 to 1,234 m. The CPNNP’s essential ecological value is Madracis spp. as potential st…
View article: Environmental <scp>DNA</scp> highlights fish biodiversity in mesophotic ecosystems
Environmental <span>DNA</span> highlights fish biodiversity in mesophotic ecosystems Open
Mesophotic marine ecosystems are characterized by lower light penetration supporting specialized fish fauna. Due to their depths (−30–−150 m), accessibility is challenging, and the structure of mesophotic fish assemblages is generally less…
View article: Ecological indices from environmental <scp>DNA</scp> to contrast coastal reefs under different anthropogenic pressures
Ecological indices from environmental <span>DNA</span> to contrast coastal reefs under different anthropogenic pressures Open
Human activities can degrade the quality of coral reefs and cause a decline in fish species richness and functional diversity and an erosion of the ecosystem services provided. Environmental DNA metabarcoding (eDNA) has been proposed as an…
View article: Cross-ocean patterns and processes in fish biodiversity on coral reefs through the lens of eDNA metabarcoding
Cross-ocean patterns and processes in fish biodiversity on coral reefs through the lens of eDNA metabarcoding Open
Increasing speed and magnitude of global change threaten the world's biodiversity and particularly coral reef fishes. A better understanding of large-scale patterns and processes on coral reefs is essential to prevent fish biodiversity dec…
View article: Ecological indices from environmental DNA to contrast coastal reefs under different anthropogenic pressures
Ecological indices from environmental DNA to contrast coastal reefs under different anthropogenic pressures Open
Human activities can degrade the quality of coral reefs, cause a decline in fish species richness and functional diversity and an erosion of the ecosystem services provided. Environmental DNA metabarcoding (eDNA) has been proposed as an al…
View article: RawData_LaPerouse2019.zip
RawData_LaPerouse2019.zip Open
Abstract: Mesophotic marine ecosystems are characterized by lower light penetration supporting specialized fish fauna. Due to their depths (-30 to -150 m), accessibility is challenging, and the structure of mesophotic fish assemblages is …
View article: RawData_ProvenceCoast2019.zip
RawData_ProvenceCoast2019.zip Open
Abstract: Mesophotic marine ecosystems are characterized by lower light penetration supporting specialized fish fauna. Due to their depths (-30 to -150 m), accessibility is challenging, and the structure of mesophotic fish assemblages is …
View article: How many replicates to accurately estimate fish biodiversity using environmental DNA on coral reefs?
How many replicates to accurately estimate fish biodiversity using environmental DNA on coral reefs? Open
Quantifying fish species diversity in rich tropical marine environments remains challenging. Environmental DNA (eDNA) metabarcoding is a promising tool to face this challenge through the filtering, amplification, and sequencing of DNA trac…
View article: Detecting aquatic and terrestrial biodiversity in a tropical estuary using environmental DNA
Detecting aquatic and terrestrial biodiversity in a tropical estuary using environmental DNA Open
Estuaries are characterized by a tidal regime and are strongly influenced by hydrodynamics and host diverse and highly dynamic habitats, from fresh, brackish, or saltwater to terrestrial, whose biodiversity is especially difficult to monit…
View article: Comparing the performance of 12S mitochondrial primers for fish environmental DNA across ecosystems
Comparing the performance of 12S mitochondrial primers for fish environmental DNA across ecosystems Open
Through the development of environmental DNA (eDNA) metabarcoding, in situ monitoring of organisms is becoming easier and promises a revolution in our approaches to detect changes in biodiversity over space and time. A cornerstone of eDNA …
View article: How many replicates to accurately estimate fish biodiversity using environmental DNA on coral reefs?
How many replicates to accurately estimate fish biodiversity using environmental DNA on coral reefs? Open
Quantifying the diversity of species in rich tropical marine environments remains challenging. Environmental DNA (eDNA) metabarcoding is a promising tool to face this challenge through the filtering, amplification, and sequencing of DNA tr…
View article: Circumglobal distribution of fish environmental DNA in coral reefs
Circumglobal distribution of fish environmental DNA in coral reefs Open
Coral reefs host the highest fish diversity on Earth despite covering less than 0.1% of the ocean’s seafloor. At the same time they are also extremely threatened. Data syntheses over decades of surveys estimate the total number of coral re…
View article: Detection of the elusive Dwarf sperm whale (<i>Kogia sima</i>) using environmental DNA at Malpelo island (Eastern Pacific, Colombia)
Detection of the elusive Dwarf sperm whale (<i>Kogia sima</i>) using environmental DNA at Malpelo island (Eastern Pacific, Colombia) Open
Monitoring large marine mammals is challenging due to their low abundances in general, an ability to move over large distances and wide geographical range sizes. The distribution of the pygmy ( Kogia breviceps ) and dwarf ( Kogia sima ) sp…
View article: Comparing environmental DNA metabarcoding and underwater visual census to monitor tropical reef fishes
Comparing environmental DNA metabarcoding and underwater visual census to monitor tropical reef fishes Open
Environmental DNA (eDNA) analysis is a revolutionary method to monitor marine biodiversity from animal DNA traces. Examining the capacity of eDNA to provide accurate biodiversity measures in species‐rich ecosystems such as coral reefs is a…
View article: The conservation status of marine bony shorefishes of the Greater Caribbean
The conservation status of marine bony shorefishes of the Greater Caribbean Open
The greater Caribbean biogeographic region covered in this report (representing 38 countries and territories) encompasses an outstanding marine bony shorefish richness of approximately 1,360 species, with many (53%) being endemic. This rep…
View article: PROBLEMATIC IDENTITY OF THE SMALLEYE HAMMERHEAD (CARCHARHINIFORMES: SPHYRNA) OCCURRING IN COLOMBIA
PROBLEMATIC IDENTITY OF THE SMALLEYE HAMMERHEAD (CARCHARHINIFORMES: SPHYRNA) OCCURRING IN COLOMBIA Open
The presence of Sphyrna tudes in Colombian waters is supported by a 506 mm total length male collected in the southernmost corner of the Caribbean Sea, the mouth of Atrato river. A short discussion on the confusing taxonomic and nomenclatu…
View article: CONTRIBUCIÓN AL CONOCIMIENTO DE LA FAUNA ÍCTICA EN DOS ISÓBATAS (10 Y 50 M) DE LA REGIÓN DE LA GUAJIRA, CARIBE COLOMBIANO
CONTRIBUCIÓN AL CONOCIMIENTO DE LA FAUNA ÍCTICA EN DOS ISÓBATAS (10 Y 50 M) DE LA REGIÓN DE LA GUAJIRA, CARIBE COLOMBIANO Open
An inventory of the sh fauna of the Guajira region was made based on samples collected on a cruise performed between Palomino and Punta Espada along the isobaths of 10 and 50 m, from March 30 to April 8, 2005, on board of the B/I ANCÓN (IN…
View article: REVISIÓN TAXONÓMICA DE LA FAMILIA ANTENNARIIDAE PARA COLOMBIA (PISCES: LOPHIIFORMES), INCLUYENDO UN NUEVO REGISTRO DE ANTENNARIUS
REVISIÓN TAXONÓMICA DE LA FAMILIA ANTENNARIIDAE PARA COLOMBIA (PISCES: LOPHIIFORMES), INCLUYENDO UN NUEVO REGISTRO DE ANTENNARIUS Open
The family Antennariidae is represented by two genera (Antennarius and Histrio) and seven species in the Western Atlantic, and by two genera (Antennarius and Antennatus) and five species in the Eastern Pacific. All the species are known fr…