Results 1 to 10 of about 12,004 (204)

Alterations of pleiotropic neuropeptide-receptor gene couples in Cetacea [PDF]

open access: goldBMC Biology
Background Habitat transitions have considerable consequences in organism homeostasis, as they require the adjustment of several concurrent physiological compartments to maintain stability and adapt to a changing environment.
Raul Valente   +7 more
doaj   +4 more sources

Phylogeny and adaptive evolution of the brain-development gene microcephalin (MCPH1) in cetaceans [PDF]

open access: yesBMC Evolutionary Biology, 2011
Background Representatives of Cetacea have the greatest absolute brain size among animals, and the largest relative brain size aside from humans. Despite this, genes implicated in the evolution of large brain size in primates have yet to be surveyed in ...
Montgomery Stephen H   +3 more
doaj   +8 more sources

Back to Water: Signature of Adaptive Evolution in Cetacean Mitochondrial tRNAs. [PDF]

open access: yesPLoS ONE, 2016
The mitochondrion is the power plant of the eukaryotic cell, and tRNAs are the fundamental components of its translational machinery. In the present paper, the evolution of mitochondrial tRNAs was investigated in the Cetacea, a clade of Cetartiodactyla ...
Stefano Montelli   +4 more
doaj   +6 more sources

Studies of Tasmanian Cetacea. Part IV. Delphinus delphis (the common dolphin) [PDF]

open access: bronze, 1920
The dolphin is common around the Tasmanian coast and in the estuaries of the larger rivers, sometimes ascending them for many miles from the open sea.
Herbert Hedley Scott
openalex   +5 more sources

Wild Cetacea Identification using Image Metadata

open access: greenJournal of Computer Science and Technology, 2017
Identification of individuals in marine species, especially in Cetacea, is a critical task in several biological and ecological endeavours. Most of the times this is performed through human-assisted matching within a set of pictures taken in different ...
Débora Pollicelli   +2 more
doaj   +2 more sources

A new diminutive fossil ziphiid from the deep-sea floor off northern Chile and some remarks on the body size evolution and palaeobiogeography of the beaked whales [PDF]

open access: yesActa Palaeontologica Polonica, 2023
The evolutionary history of the beaked whales (Ziphiidae), odontocetes nowadays adapted to deep diving, is well known thanks to a significant fossil record mainly from the deep ocean floors.
Giovanni Bianucci   +3 more
doaj   +1 more source

Bycatch of marine mammals in the Northwest Atlantic during commercial fishery (based on literature materials and observations by the Polar branch of VNIRO in 2013–2020)

open access: yesVestnik MGTU, 2022
This paper describes one of the most acute problem for both environmental companies and fisheries – bycatch of marine mammals caused by bioresource exploitation in the Northwest Atlantic (NWA).
Mishin T. V.
doaj   +1 more source

Life History Traits of Sperm Whales Physeter macrocephalus Linnaeus, 1758 Stranded along Italian Coasts (Cetartiodactyla: Physeteridae)

open access: yesAnimals, 2022
We investigated the relationship between age and body length, and age at sexual maturity of Physeter macrocephalus individuals stranded along the Italian coast.
Nicola Maio   +17 more
doaj   +1 more source

PERCEPÇÃO DE ALUNOS DE GRADUAÇÃO SOBRE ECOLOGIA E CONSERVAÇÃO DE CETÁCEOS, FORTALEZA-CE

open access: yesHolos, 2021
Cetáceos são mamíferos aquáticos que habitam boa parte do globo, e que tornaram-se ameaçadas devido a ações como caças ilegais, poluição e turismo. Com isso, objetivou-se avaliar a percepção de alunos de graduação sobre Ecologia e Conservação de Cetáceos.
Marcos Adelino Almeida Filho   +4 more
doaj   +1 more source

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