Results 61 to 70 of about 333,287 (241)

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

Integrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez, Santiago Hernández Del Pino, Esperanza Cerdeño, Manuel Hernández Fernández, Laura Domingo   +4 more
wiley   +1 more source

Tracking HPAIV H5 through a geographic survey of Antarctic seabird populations

Scientific Reports
An extensive survey for the detection of Highly Pathogenic Avian Influenza virus (HPAIV) H5 in seabird species is reported here. It was conducted between December 2023 and January 2024, in thirteen breeding sites spanning from the northeastern sector of ...
Fabiola León, Céline Le Bohec, Eduardo J. Pizarro, Loïcka Baille, Robin Cristofari, Aymeric Houstin, Daniel P. Zitterbart, Claudia Ulloa-Contreras, Gonzalo Barriga, Elie Poulin, Juliana A. Vianna   +10 more
doaj   +1 more source

Tracing Ice-Age Legacies: Phylogeography and Glacial Refugia of the Endemic Chiton Tonicina zschaui (Polyplacophora: Ischnochitonidae) in the West Antarctic Region

Diversity
Phylogeographic studies in Antarctica allow us to understand the demographic events of populations during glacial periods. In this study, the polyplacophoran Tonicina zschaui was analyzed in several localities on the West Antarctic Coast using the ...
M. Cecilia Pardo-Gandarillas, Carolina Márquez-Gajardo, Pamela Morales, Jennifer Catalán, Kristen Poni, Sebastián Rosenfeld, Angie Díaz, Kevin M. Kocot, Christian M. Ibáñez   +8 more
doaj   +1 more source

Geographical Variation in Thermal Adaptation of the Asiatic Toad (Bufo gargarizans)

Integrative Zoology, EarlyView.
Northern and southern populations of Bufo gargarizans exhibit coordinated divergence in thermal preference, resting metabolic rate, and TRPM4 temperature sensitivity along a climatic gradient. ABSTRACT Thermal adaptation in animals can manifest in multiple dimensions, yet few studies have integrated behavioral, physiological, and molecular perspectives
Longcheng Fan, Yonghua Wu
wiley   +1 more source

30 years of Ukraine's polar research in Antarctica and the Ukrainian Antarctic Journal

Український антарктичний журнал
The article briefly presents the history of the Ukrainian Antarctic  Akademik Vernadsky station the beginning and the current state of Antarctic scientific research in Ukraine in the Antarctic Peninsula.
Vitaliy Starostenko
doaj   +1 more source

Comprehensive and representative conservation planning for biodiversity of ice‐free Antarctica

Conservation Biology, EarlyView.
Abstract Antarctica is designated as a natural reserve devoted to peace and science, with Antarctic Specially Protected Areas (ASPAs) serving as the primary instrument for area‐based biodiversity protection. However, the existing ASPA network lacks the comprehensiveness and representativeness required under Annex V, Article 3(2), of the Madrid Protocol.
Wen Wen, Jasmine R. Lee, Justine D. Shaw, Kerrie A. Wilson   +3 more
wiley   +1 more source

Integrating migratory connectivity data into the conservation of Australian sharks and rays

Conservation Biology, EarlyView.
Abstract Understanding migratory connectivity is important for conserving highly mobile marine species facing escalating threats. Establishing baseline information on migratory connectivity is necessary for identifying species and regions requiring transboundary cooperation for their conservation.
Diego F. Bezerra, Lily K. Bentley, Ross G. Dwyer, Dina Nisthar, Anthony J. Richardson, Colin A. Simpfendorfer, Michelle R. Heupel, Christoph A. Rohner, Simon J. Pierce, Daniel C. Dunn   +9 more
wiley   +1 more source

Age position, geodynamic specifics and paleomagnetism of intrusive complexes of the western coast of the Antarctic Peninsula

Геофизический журнал, 2013
New paleomagnetic and geochronological results on late Cretaceous-Paleogene intrusive and effusive complexes of the western part of the Antarctic Peninsula have been obtained.
V.G. Bakhmutov, D. P. Gladkochub, V. V. Shpyra   +2 more
doaj   +1 more source

Distribution and ecology of the four Macrourus species by‐caught in the longline fishery at South Georgia, Southern Ocean

Journal of Fish Biology, EarlyView.
Abstract Although Macrourus species are the main by‐catch across Southern Ocean longline fisheries, including around South Georgia, the lack of species‐specific data has hindered effective management and ecological understanding. Aggregation of macrourids at genus level masks critical interspecific differences in life‐history strategies and ...
José Abreu, Philip R. Hollyman, Jennifer J. Freer, M. L. Romero Martínez, José P. Queirós, Timothy Jones, Richard A. Phillips, José C. Xavier, Martin A. Collins   +8 more
wiley   +1 more source

The Holocene history of George VI Ice Shelf, Antarctic Peninsula [PDF]

, 2005
Meteorological records have shown that the Antarctic Peninsula region has warmed at a rate of 3.7 ± 1.6 С during the last century. One of the most publicised aspects of this warming has been the retreat and disintegration of several of the regions ice ...
Smith, James Alexander, Smith, James
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