Results 71 to 80 of about 11,708 (282)

Influence of Solvent Lipid Extraction on Tissue-Specific Carbon Isotopes. [PDF]

Ecol Evol
To assess the impact of solvents on δ13C, we used a standard lipid extraction protocol on four different pure proteins and humpback whale blubber, a very lipid‐rich tissue. The results showed that the solvents did not have a significant effect on δ13C and δ15N of pure proteins as values largely remained within 0.5‰ of unextracted samples, which is ...
Groß J, Fry B, Eggebo J, Bengtson Nash S.   +3 more
europepmc   +2 more sources

Modeling Skin Mark Temporal Variations to Estimate the Sex of Delphinids with Low Sexual Dimorphism: Implications for Management and Conservation

Integrative Zoology, EarlyView.
This work aimed to apply the principles of skin mark analysis to a cetacean species to build a sex‐discrimination model exclusively based on photographic material. Relevant differences between sexes emerged in markings, with males presenting more social, aggression‐related, and fishing‐related marks overall, and a stronger tendency of mark accumulation
Alice Turchi, Giulia Pedrazzi, Alex Mattiussi, Maria S. Labriola, Daniele Petrone, Sofia Rinalduzzi, Giancarlo Giacomini, Daniela Silvia Pace   +7 more
wiley   +1 more source

Cetacean monitoring in Northeastern Atlantic Ocean – Occurrence and distribution for cetacean species in the Canary Basin

, 2013
Cetaceans are ecologically important as storers and transporters of energy in marine ecosystems. They are top-down regulators maintaining the prey-predator balance in these complex and dynamic environments.
Ana Mafalda Correia, Massimiliano Rosso, Rui Caldeira, TEPSICH, PAOLA, Isabel Sousa Pinto   +4 more
core  

Updated Chorotypes of Terrestrial Vertebrates Shed New Light on Zoogeographical Regions in China

Integrative Zoology, EarlyView.
Chorotype represents a fundamental concept for identifying groups of species that share similar distribution patterns. However, the last comprehensive revision of animal chorotypes in China was performed more than a decade ago. Here, we update the chorotype classifications for 1040 species and propose an updated zoogeographical regionalization scheme ...
Baoming Zhang, Minghui Zhou, Zhipeng Xie, Ludan Zhang, Haoting Duan, Jiehua Yu, Jiekun He   +6 more
wiley   +1 more source

CETUS: Cetacean monitoring surveys in the Eastern North Atlantic

, 2022
5 files.-- The CETUS dataset contains effort-based occurrence records collected during a cetacean monitoring programme in the Eastern North Atlantic, since 2012The CETUS dataset contains data collected within the CETUS Project (www.cetusproject.com), a ...
Oliveira-Rodrigues, Cláudia, Pierce, Graham J., Correia, Ana M., Gil, Ágatha, Gandra, Miguel, Liberal, Marcos, Rosso, Massimiliano, Valente, Raúl, Sousa-Pinto, Isabel   +8 more
core   +1 more source

Cenozoic Tectonics Ignite Mitochondrial Codon Innovations Propelling Canid Body Size Evolution and Transcontinental Radiations

Integrative Zoology, EarlyView.
We decode mitochondrial genomes across all extant canids, revealing lineage‐specific codon optimization driven by altitude, predation, and body size. A tripartite framework integrates geological events, metabolic constraints, and adaptive radiation to explain carnivore evolution.
Xiaoyang Wu, Xibao Wang, Yongquan Shang, Yao Chen, Haotian Cai, Tian Xia, Qinguo Wei, Weilai Sha, Honghai Zhang   +8 more
wiley   +1 more source

Cetaceans of north-western continental Africa (Morocco to Liberia): diversity and distribution

Frontiers in Marine Science
The north-western coast of Africa is one of the most productive marine systems in the world, where a high diversity of cetacean species has been recorded. However, management of human activities that impact cetacean populations in the area is inadequate,
Ana M. Correia, Ana M. Correia, Marieta Mihova, Marieta Mihova, Ágatha Gil, Ágatha Gil, Cláudia Oliveira-Rodrigues, Cláudia Oliveira-Rodrigues, Luís Afonso, Raul Valente, Raul Valente, Massimiliano Rosso, Massimiliano Rosso, Isabel Sousa-Pinto, Isabel Sousa-Pinto, Graham J. Pierce, Graham J. Pierce   +16 more
doaj   +1 more source

Blubber Thickening Driven by UCP1 Inactivation: Insights from a Cetacean‐Like Transgenic Mouse Model

Integrative Zoology, EarlyView.
UCP1 inactivation of cetaceans in mice drives BAT whitening and iWAT hyperplasia, promoting fat accumulation for aquatic adaptation. Abstract Cetaceans possess thick blubber, a specialized adipose tissue essential for thermal insulation, a streamlined body form, energy storage, and buoyancy. However, the mechanisms that underpin this adaptation are not
Qian Zhang, Yuehua Wang, Hang Zhang, Guiping Xu, Shixia Xu, Guang Yang   +5 more
wiley   +1 more source

Sensory Biology of the Franciscana (Pontoporia blainvillei, Pontoporiidae, Cetartiodactyla): Ontogenetic Modifications of Vibrissae and Vibrissal Crypts

Integrative Zoology, EarlyView.
The transition of cetaceans from a terrestrial to an aquatic environment involved a crucial sensory adaptation to environments with limited visibility. Vibrissae, important mechanoreceptors, undergo an ontogenetic transformation in odontocetes. This research describes the histomorphology of vibrissae and crypts at different developmental stages ...
Cecilia Mariana Krmpotic, Cleopatra Mara Loza, Alejo Carlos Scarano, Pedro Fernando Andrés‐Laube, Francisco Acuña, Juan Pablo Loureiro, Carolina Natalia Zanuzzi, Nicolás Nahuel Castro, María Teresa Pombo, Lorenzo von Fersen, Claudio Gustavo Barbeito   +10 more
wiley   +1 more source

Gray whales (Eschrichtius robustus) in San Francisco Bay experience high mortality and have limited affiliation to known foraging groups

Frontiers in Marine Science
Terrestrial and marine species are exhibiting distributional shifts due to climate change and resource availability. As food webs are impacted, some species have moved into areas of increased human activity, encountering anthropogenic hazards.
Josephine M. Slaathaug, Josephine M. Slaathaug, Rebekah S. Lane, Rebekah S. Lane, William Keener, Alie Pérez, Moe Flannery, Marc A. Webber, Marc A. Webber, Aalea Grimes, Adelle M. Wilkin, Julia E. O’Hern, Pádraig J. Duignan, John Calambokidis, Daniel E. Crocker   +14 more
doaj   +1 more source