Results 131 to 140 of about 293,102 (343)

Fast climatic changes place an endemic Canary Island macroalga at extinction risk [PDF]

, 2021
Beatriz Alfonso, José Carlos Hernández, Carlos Sangil, Laura Martín-García, Francisco J. Expósito, Juan P. Díaz, Marta Sansón   +6 more
openalex   +1 more source

Revisiting a long‐overlooked skull: Implications for the distribution of Dinodontosaurus brevirostris (Kannemeyeriiformes) in the Brazilian Triassic

The Anatomical Record, EarlyView.
Abstract Dicynodonts (Anomodontia: Dicynodontia) were one of the main groups of terrestrial tetrapods in Permian and Triassic faunas. In Brazil, the genus Dinodontosaurus is one of the most common tetrapod taxon in the Triassic Santa Maria Supersequence. This genus has a complex taxonomic history and is represented in the Triassic of both Argentina and
Julia Lara Rodrigues de Souza, João Lucas Da Silva, Voltaire D. P. Neto, Arielli Fabrício Machado, Juan A. Escobar, Felipe L. Pinheiro   +5 more
wiley   +1 more source

A 150‐Year Avian Extinction Debt Forewarns a Global Species Crisis and Highlights Conservation Opportunities

Conservation Letters
Humans have caused pervasive wildlife habitat loss by transforming most of the Earth's terrestrial surface, while unexpectedly limited species have consequently gone extinct.
Zhibang Wang, Ning Cui, Chih‐Ming Hung, Shou‐Hsien Li, Feng Dong   +4 more
doaj   +1 more source

Partial Discharge in Electronic Equipments [PDF]

, 2009
Tato disertační práce se věnuje studiu částečných výbojů (PD) způsobených poklesem spolehlivosti a životnosti elektronických zařízení a systémů. Diagnostika PD je dnes známá metoda pro vysoké napětí u vysoko-výkonných zařízení.
Mammadov, Anar
core  

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

The Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto, João Felipe Leal Kaiuca, Adriana Itatí Olivares, William Corrêa Tavares   +3 more
wiley   +1 more source

An Updated DNA Barcoding Tool for Aloe Vera and Related CITES‐Regulated Species

Conservation Letters
DNA barcoding has revolutionized the identification of illegally traded material of endangered species as it overcomes the lack of resolution encountered with morphological identification.
Yannick Woudstra, Paul Rees, Solofo E. Rakotoarisoa, Nina Rønsted, Caroline Howard, Olwen M. Grace   +5 more
doaj   +1 more source

Discovery and Initial Investigation of a New Low Surface Brightness Planetary Nebula Candidate at High Galactic Latitude

Astronomische Nachrichten, EarlyView.
ABSTRACT Planetary nebulae represent a late evolutionary phase of low‐ to intermediate‐mass stars. In this article, we present the serendipitous discovery of a previously unknown, faint potential Galactic planetary nebula (PN) in the constellation Camelopardalis, identified during a survey‐inspection, aiming at the detection of dwarf companions of the ...
W. E. Celnik, P. Köchling, S. Kotov, J. Kozok, Y. Galata, L. Magrini, A. Moiseev, M. Nischang, C. Reese, P. Remmel, P. Riepe, T. Zilch, K. Werner   +12 more
wiley   +1 more source

‘Where are the adults?’: Troubling child‐activism and children's political participation

British Educational Research Journal, EarlyView.
Abstract Children's political participation is a well‐established theme in childhood studies. In this article we offer an original account of child activism that takes into account the entangled and emergent aspect of children as activists. We begin with a historical and a conceptual review, noting the importance of mid‐20th century developments such ...
Sharon Hunter, Claire Cassidy
wiley   +1 more source

Parental choice of private tuition: Valuing attention, judging quality and navigating access in England's underregulated supplementary education market

British Educational Research Journal, EarlyView.
Abstract Private supplementary education is burgeoning worldwide, and over 25% of English children have received private tutoring. The neoliberalisation of education and parents' responsibilisation for children's attainment have driven market growth, but not all can afford to participate.
Sarah L. Holloway, Sam Whewall, Helena Pimlott‐Wilson   +2 more
wiley   +1 more source

Prioritizing global land protection for population persistence can double the efficiency of habitat protection for reducing mammal extinction risk [PDF]

, 2023
Nicholas H. Wolff, Piero Visconti, Heini Kujala, Luca Santini, Jelle P. Hilbers, Hugh P. Possingham, James R. Oakleaf, Christina M. Kennedy, Joseph M. Kiesecker, Joseph Fargione, Edward T. Game   +10 more
openalex   +1 more source