Results 11 to 20 of about 1,346 (153)

A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets

open access: yesEndangered Species Research, 2019
In 2017 an emergency field effort was undertaken in an attempt to prevent the extinction of the world’s most endangered marine mammal, the vaquita Phocoena sinus. The rescue effort involved 90 experts from 9 countries and cost US$ 5 million.
Rojas-Bracho, L   +35 more
doaj   +2 more sources

Preserving an Imperiled Porpoise Through Pixels: Digitization of a Vaquita (Phocoena sinus) Skeleton, the World's Most Endangered Marine Mammal

open access: yesMarine mammal science
Marine Mammal Science, Volume 42, Issue 3, July 2026.
Jamie L. Knaub   +5 more
wiley   +2 more sources

Science, society, and flagship species: social and political history as keys to conservation outcomes in the Gulf of California

open access: yesEcology and Society, 2016
Socio-political issues are important in environmental policy outcomes but are often overlooked in conservation planning. We analyze the effects of historical social, political, and ecological contexts on conservation policy outcomes as applied to the ...
Andrés M. Cisneros-Montemayor   +1 more
doaj   +2 more sources

Sustentabilidad ambiental y discordancia social, el caso de la suspensión de la pesca en la costa de San Felipe, Baja California

open access: yesTecnociencia Chihuahua, 2020
El presente estudio plantea una reflexión sobre la aplicación de políticas públicas con tendencia conservacionista a fin de proteger especies en peligro, específicamente el caso de la vaquita marina -Phocoena sinus-.
Virginia Margarita González-Rosales   +1 more
doaj   +1 more source

Vaquitas (Phocoena sinus) continue to die from bycatch not pollutants. [PDF]

open access: yesVet Rec, 2020
Background The vaquita of Mexico is critically endangered, with a population less than 19 individuals in 2018. The population continues to decline and gillnet use continues in vaquita habitat. Methods Nine vaquita carcases were examined from 2016 to 2018
Gulland F   +12 more
europepmc   +2 more sources

Model descriptions from Decline towards extinction of Mexico's vaquita porpoise (Phocoena sinus)

open access: yes, 2019
PDF file with technical details of models ...
Lorenzo Rojas-Bracho (6952952)   +9 more
core   +2 more sources

A contribution to the anatomy of two rare cetacean species: The hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica). [PDF]

open access: yesAnat Rec (Hoboken)
Abstract The anatomical description of the hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica) remains largely unexplored, due to limited specimen availability and preservation challenges. This study employed digital imaging techniques, conventional histology, and computed tomography to provide visualization of
Graïc JM   +26 more
europepmc   +2 more sources

How is the third jaw joint in whales different? Diverse modes of articulation between the jaws of whales. [PDF]

open access: yesJ Anat
This study conducts the first comprehensive morphological investigation of the mandibular symphysis in whales. Using gross anatomical observation and CT cross‐sectional data, we describe diverse joint morphologies across 74 extant and fossil cetacean taxa. Toothed whales exhibit unfused, partially fused, or fully fused symphyses.
Strauch RJ, Pyenson ND, Peredo CM.
europepmc   +2 more sources

Genomic Insights Into the Evolutionary History of Berardius Beaked Whales: Speciation Driven by Resource Specialization, Gigantism and Thermal Barriers? [PDF]

open access: yesMol Ecol
ABSTRACT Understanding the diversity of our oceans is fundamental now more than ever as climate change and human activities put increasing pressure on marine species and ecosystems. Beaked whales (family Ziphiidae) are among the most poorly understood marine mammals, in part due to their affinity to offshore underwater canyons and prolonged diving ...
McCarthy ML   +5 more
europepmc   +2 more sources

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