Results 31 to 40 of about 26,293 (262)

Synthesis and Modification of Cetacean Tonal Sounds for Underwater Bionic Covert Detection and Communication

IEEE Access, 2020
For most conventional bionic signal design methods, they cannot construct high-similarity bionic signals to match those complex cetacean sounds because they are only based on relatively simple bionic signal models.
Jiajia Jiang, Zhongbo Sun, Fajie Duan, Xiao Fu, Xianquan Wang, Chunyue Li, Wei Liu, Lin Gan   +7 more
doaj   +1 more source

Acoustic Presence of Cetaceans in the Miaodao Archipelago, China

Animals, 2023
Once an important cetacean habitat, the Miaodao Archipelago has been altered by human-induced disturbances over several decades. While cetacean diversity is known to have decreased, no recent data on species diversity around Miaodao are known to exist ...
Zhaolong Cheng, Yongtao Li, Matthew Keith Pine, Xiaoling Wan, Tao Zuo, Mingxiang Niu, Jun Wang   +6 more
doaj   +1 more source

Distribution of Cetaceans in the Canary Islands (Northeast Atlantic Ocean): Implications for the Natura 2000 Network and Future Conservation Measures

Frontiers in Marine Science, 2021
The waters of the Canary Islands are considered a hotspot for marine biodiversity, especially regarding cetacean species. Based on this fact, this study pays attention to the spatial distribution pattern of cetacean species and the conservation role of ...
Inma Herrera, Inma Herrera, Manuel Carrillo, Marcial Cosme de Esteban, Ricardo Haroun   +4 more
doaj   +1 more source

Inside a duck‐billed dinosaur: Vertebral bone microstructure of Huallasaurus (Hadrosauridae), Upper Cretaceous of Patagonia

The Anatomical Record, EarlyView.
Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano, Aline M. Ghilardi, Jonatan Kaluza, Agustín G. Martinelli   +3 more
wiley   +1 more source

Long-term trends of epibionts reflect Mediterranean striped dolphin abundance shifts caused by morbillivirus epidemics. [PDF]

J Anim Ecol
This original research piece demonstrates, through empirical and theoretical modelling approaches, that the epibionts of striped dolphins indicate dolphin abundance shifts caused by epidemics of dolphin morbillivirus (DMV). In addition, we provide the first SIR model to investigate the epidemiology of DMV in western Mediterranean striped dolphins ...
Ten S, Dupont G, Raga JA, Dobson AP, Aznar FJ.   +4 more
europepmc   +2 more sources

Effects of vessel traffic on relative abundance and behaviour of cetaceans : the case of the bottlenose dolphins in the Archipelago de La Maddalena, north-western Mediterranean sea [PDF]

, 2016
Acknowledgements This study was part of the Tursiops Project of the Dolphin Research Centre of Caprera, La Maddalena. Financial and logistical support was provided by the Centro Turistico Studentesco (CTS) and by the National Park of the Archipelago de ...
ACA Hope, Andrea Rotta, BL Chilvers, CM Johnson, D Lusseau, D Lusseau, D Lusseau, D Spiegelhalter, E Gilman, E Massutí, E Papale, E Pirotta, E Pirotta, E Wafo, G Bearzi, G Hernandez-Milian, G Notarbartolo di Sciara, G Stefánsson, Graham J. Pierce, H Rue, I Campana, J Gonzalvo, J Mann, J Mann, JM Brotons, JP Dobler, KC Buckstaff, KJ Benoit-Bird, L Bejder, L Bejder, LF New, M Lemon, M Morisita, M. Amparo Pérez Roda, Maria Grazia Pennino, MG Pennino, MG Pennino, MI Sini, N Rako, R Development Core Team, RS Wells, RS Wells, S Banerjee, S Nowacek   +43 more
core   +1 more source

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

The Anatomical Record, EarlyView.
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
Jean‐Marie Graïc, Tommaso Gerussi, Bruno Cozzi, Rebecca M. Boys, Brian Chin Wing Kot, Matthew R. Perrott, Kane Fleury, Tabris Yik To Chung, Henry Chun Lok Tsui, Emma Burns, Trudi Webster, Stuart Hunter, Emma L. Betty, Odette Howarth, Carolina Loch, Sophie White, Steve Dawson, William Rayment, Ros Cole, Derek Cox, Tom Waterhouse, Hannah Hendriks, Anton van Helden, Muriel Johnstone, Ramari Oliphant Stewart, R. Ewan Fordyce, Karen A. Stockin   +26 more
wiley   +1 more source

Whales, dolphins, and porpoises of the western North Atlantic: a guide to their identification [PDF]

, 1976
This is an identification guide for cetaceans (whales, dolphins, and porpoises). It was designed to assist laypersons in identifying cetaceans encountered in the western North Atlantic Ocean and was intended for use by ongoing cetacean observer programs.
Caldwell, David K., Caldwell, Melba C., Leatherwood, Stephen, Schevill, William E, Winn, Howard E.   +4 more
core  

Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds

The Anatomical Record, EarlyView.
Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen, Christian de Muizon, Olivier Lambert, Giovanni Bianucci, Antonia R. Kaffler, Matthew R. McCurry, Alexandra Houssaye, Rafael M. Varas‐Malca, Rodolfo Salas‐Gismondi, Oliver Hampe, Eli Amson   +10 more
wiley   +1 more source

Cetacean stranding records along the Shanghai–Zhejiang coastline in China: implications for distribution and conservation

Frontiers in Marine Science
Cetacean ecology has been poorly studied in the Shanghai-Zhejiang waters of East China Sea, seriously hindering appropriate local conservation practices.
Jing Yuan, Yili Gao, Nan Wang, Tianhua Jiang, Zhaolong Cheng   +4 more
doaj   +1 more source