Search Results - "Cunha, Haydée A"
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Divergence, diagnosability, and description of a new subspecies of franciscana dolphin Pontoporia blainvillei (Gervais & d’Orbigny, 1844)
Published in Journal of mammalian evolution (01-09-2024)“…Genetic data have become an important asset to enhance the delimitation of cetacean species, subspecies, and populations, considering the difficulties in…”
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An additional threat to populations predicted to collapse: Organobromine compounds of natural and anthropogenic sources in rough-toothed dolphins from the Southwestern Atlantic Ocean
Published in Chemosphere (Oxford) (01-05-2023)“…Organic contaminants with toxic effects, like the conventional brominated flame retardants (BFRs) and BFRs of emergent concern, and their synergistic effects…”
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Long-Term Consequences of High Polychlorinated Biphenyl Exposure: Projected Decline of Delphinid Populations in a Hotspot for Chemical Pollution
Published in Environmental science & technology (16-11-2021)“…Rough-toothed dolphins, Steno bredanensis, are closely associated with coastal waters in the Southwestern Atlantic Ocean, increasing the exposure to multiple…”
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More than meets the eye: kinship and social organization in giant otters (Pteronura brasiliensis)
Published in Behavioral ecology and sociobiology (01-01-2016)“…Giant otters live in highly cooperative groups. Behavioral observations suggest that groups are composed of a dominant reproductive pair and their offspring of…”
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Shallow‐water habitat use and population parameters of rough‐toothed dolphins, Steno bredanensis (G. Cuvier in Lesson, 1828) in southeastern Brazil
Published in Marine mammal science (01-04-2021)“…The rough‐toothed dolphin (Steno bredanensis) is a poorly known species along its distribution especially in the Southern Hemisphere where data on habitat use…”
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Phylogeography of the Endangered Franciscana Dolphin: Timing and Geological Setting of the Evolution of Populations
Published in Journal of mammalian evolution (01-09-2022)“…Pontoporia blainvillei (Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an…”
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Microsatellite markers for the endangered franciscana dolphin (Pontoporia blainvillei)
Published in Molecular biology reports (01-03-2021)“…The franciscana ( Pontoporia blainvillei ) is the most threatened small cetacean in the South Atlantic. In this study we report the development of 13…”
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When You Get What You Haven't Paid for: Molecular Identification of "Douradinha" Fish Fillets Can Help End the Illegal Use of River Dolphins as Bait in Brazil
Published in The Journal of heredity (2015)“…The fishery for Calophysus macropterus, an Amazonian necrophagous catfish, is highly detrimental to river dolphins and caimans, which are deliberately killed…”
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Polymorphic microsatellite loci for two Atlantic oyster species: Crassostrea rhizophorae and C. gasar
Published in Molecular biology reports (01-12-2013)“…Using a CA/CAA enriched library screening procedure, we isolated and characterised a total of seventeen polymorphic microsatellite loci for two species of…”
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Beyond the threshold - different accumulation of organochlorine compounds in common dolphins (Delphinus delphis) inhabiting continental and insular ecosystems in the Northeast Atlantic
Published in Environmental pollution (1987) (01-01-2025)“…Assessing persistent organic pollutant (POP) levels across regions helps evaluate environmental health and determine ecological risks. As an apex predator, the…”
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The deep dive of organohalogen compounds: Bioaccumulation in the top predators of mesopelagic trophic webs, pygmy and dwarf sperm whales, from the Southwestern Atlantic ocean
Published in Chemosphere (Oxford) (01-12-2023)“…Kogia sima and Kogia breviceps are apex predators of mesopelagic trophic webs being far from most anthropogenic threats. However, chemical pollutants and…”
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Strong and lasting impacts of past global warming on baleen whales and their prey
Published in Global change biology (01-04-2022)“…Global warming is affecting the population dynamics and trophic interactions across a wide range of ecosystems and habitats. Translating these real‐time…”
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Polymorphic microsatellite loci from Brazilian and Hooded slipper lobsters (Scyllarides brasiliensis and S. deceptor), and cross-amplification in other scyllarids
Published in Conservation genetics resources (01-12-2013)“…We isolated and characterized the first polymorphic microsatellite for the Brazilian and Hooded slipper lobsters species ( Scyllarides brasiliensis and S …”
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Franciscana dolphins, Pontoporia blainvillei, as environmental sentinels of the world's largest mining disaster: Temporal trends for organohalogen compounds and their consequences for an endangered population
Published in Environmental pollution (1987) (01-08-2022)“…On November 5th, 2015, the Fundão dam collapsed in Minas Gerais, southeastern Brazil, releasing millions of cubic meters of mud containing mining residue into…”
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Population structure of the endangered franciscana dolphin (Pontoporia blainvillei): reassessing management units
Published in PloS one (31-01-2014)“…Franciscanas are the most endangered dolphins in the Southwestern Atlantic. Due to their coastal and estuarine habits, franciscanas suffer from extensive…”
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Levels and profiles of chlorinated and brominated contaminants in Southern Hemisphere humpback whales, Megaptera novaeangliae
Published in Environmental research (01-04-2015)“…The study documents the levels and profiles of selected contaminants [polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated…”
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Molecular and Morphological Differentiation of Common Dolphins (Delphinus sp.) in the Southwestern Atlantic: Testing the Two Species Hypothesis in Sympatry
Published in PloS one (11-11-2015)“…The taxonomy of common dolphins (Delphinus sp.) has always been controversial, with over twenty described species since the original description of the type…”
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Polymorphic microsatellite loci from the endangered Giant Otter (Pteronura brasiliensis)
Published in Conservation genetics resources (01-10-2011)“…We describe the first microsatellite loci isolated from the giant otter ( Pteronura brasiliensis ), an endangered mustelid endemic to South America. Fourteen…”
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Trophic ecology and small‐scale differentiation of ecological groups of franciscana dolphin, Pontoporia blainvillei, in southeastern Brazil, revealed by carbon and nitrogen stable isotopes
Published in Marine mammal science (01-07-2024)“…The franciscana, Pontoporia blainvillei, is an endemic dolphin off the east coast of South America and is considered the most endangered cetacean in the…”
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