Results 81 to 90 of about 129,587 (250)

Dread in the Homeland: Symbolic Politics and Ethnonationalist Struggles for Self‐Determination in Nigeria

open access: yesNations and Nationalism, EarlyView.
ABSTRACT The revival of Biafran separatism in contemporary Nigeria is often explained with three leading theoretical frameworks: relative deprivation, political economy and state repression. Whereas relative deprivation and political economy perspectives posit that the resurgent separatism derives from the perception and empirical reality of ...
Promise Frank Ejiofor
wiley   +1 more source

Where geology meets pedology: Late Quaternary tephras, loess, and paleosols in the Mamaku Plateau and Lake Rerewhakaaitu areas [PDF]

open access: yes, 2012
On this trip we focus on tephrostratigraphy and soil stratigraphy together with aspects of palaeoenvironmental reconstruction over long and short time-spans.
Lanigan, Kerri Miriam   +2 more
core  

Photoprotective potential of gadusol against ultraviolet B radiation in melanocytes

open access: yesPhotochemistry and Photobiology, EarlyView.
Gadusol protects melanocytes from ultraviolet B (UVB)‐induced damage without cytotoxicity. Abstract The increasing incidence of skin cancer, including melanoma, combined with the need for ultraviolet (UV) filters that are safe for human health and marine ecosystems, is driving the search for new photoprotective agents.
Andressa Mai Matsumoto   +8 more
wiley   +1 more source

Microbially generated ferruginous crusts: A potential biosignature of continental input in coastal settings

open access: yesSedimentology, EarlyView.
ABSTRACT Thin ferruginous sandy crusts are common on top of sandstone beds in the Early Permian post‐glacial deposits of the Paraná Basin in southern Brazil. These crusts usually preserve wrinkle structures, suggesting that they might be a product of microbial mediation.
Patrícia Weschenfelder   +2 more
wiley   +1 more source

On language, (inter)disciplinarity, and collaboration with local scholars in Papua New Guinea environmental anthropology

open access: yesThe Australian Journal of Anthropology, EarlyView.
Abstract How can anthropologists ensure the accuracy of the statements they make in their publications, especially in an era of ever increasing budgetary and bureaucratic pressures that limit the duration of fieldwork? What should the role of language abilities be in this context and to what degree is it necessary to learn the language of the place ...
Mark Collins, Tukul Walla Kaiku
wiley   +1 more source

Influence of mammal fossorial activity on the soil fermentative activity in conditions of metallurgical production

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2010
Effect of mammal fossorial activity as an ecological factor of the soil genesis intensification is studied. Enzymatic activity of soil as its ability to demonstrate a catalytic effect for various compounds transformation is examined.
S. M. Kirienko, О. O. Didur
doaj   +1 more source

Clinical descriptive and long‐term outcome of melanocytic uveal lesions in young dogs: 40 cases (45 eyes) including 13 cases of sector iridectomy

open access: yesVeterinary Ophthalmology, Volume 28, Issue 2, Page 371-385, March 2025.
Abstract Purpose To describe the clinical features surgical technique, early and long‐term outcome with or without surgery, and histopathological findings of melanocytic anterior uveal lesions in young dogs. Methods Medical records of dogs at a guide dog facility removed from training due to a pigmented iris lesion were reviewed from 2014 to 2021 ...
Valerie Liliane Dufour   +6 more
wiley   +1 more source

Actinobacteria Structure in Autogenic, Hydrogenic and Lithogenic Cultivated and Non-Cultivated Soils: A Culture-Independent Approach

open access: yesAgronomy, 2019
The aim of the study was to determine the Actinobacteria structure in cultivated (C) versus non-cultivated (NC) soils divided into three groups (autogenic, hydrogenic, lithogenic) with consideration its formation process in order to assess the ...
Agnieszka Wolińska   +6 more
doaj   +1 more source

Tracing sources of cadmium in agricultural soils: a stable isotope approach [PDF]

open access: yes, 2018
Cadmium (Cd) is a biotoxic heavy metal, which is accumulated by plants and animals and thereby enters the human food chain (Gray et al. 2003). The application of phosphate fertilisers has also resulted in the long-term accumulation of Cd in agricultural ...
Salmanzadeh, Mahdiyeh
core  

The double modal construction in English world wide

open access: yesWorld Englishes, EarlyView.
Abstract The dual foci of the present study of double modals are their semantic characteristics and their distribution across regional varieties of English world wide. Tokens were extracted from GloWbE:Blogs, a database whose great size and informal tenor facilitated the investigation of this low‐frequency non‐standard feature. Double modals were found
Peter Collins, Adam Smith
wiley   +1 more source

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