Results 71 to 80 of about 17,733 (163)

Contrasting mechanisms driving the northward expansion of African raptors in Europe

open access: yesJournal of Zoology, EarlyView.
Recent climate warming and landscape changes are enabling African raptors to reach Europe through contrasting mechanisms. Using species distribution models, we show that the Atlas Long‐legged Buzzard expands northward following climatic suitability, whereas African vultures reach Europe despite low climatic favourability through socially mediated ...
A.‐R. Muñoz   +3 more
wiley   +1 more source

Pollinator efficiency, rather than bee decline, explains a shift to hummingbird pollination in tropical montane forests

open access: yesNew Phytologist, EarlyView.
Hummingbird pollination is a hallmark of American plant diversity and has long been thought to evolve in tropical mountains due to declining bee activity. Using sister species of Costus specialized on bees (C. kuntzei) and hummingbirds (C. wilsonii), we show that this shift is not driven by reduced bee visitation with elevation, but by greater ...
Pedro Juárez   +7 more
wiley   +1 more source

Designing Integrated Policies for the Twin Transition: Challenges and Tradeoffs

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Democratic governance faces the intertwined imperatives of managing the transformative risks and opportunities of digitalization, particularly stemming from artificial intelligence (AI), while achieving environmental sustainability within planetary boundaries.
Martino Maggetti
wiley   +1 more source

La anexión de los 6 municipios vecinos a BOGOTÁ en 1954 “UN HECHO CON ANTECEDENTES”

open access: yesBitácora Urbano Territorial, 2005
La anexión de los seis municipios vecinos a Bogotá en 1954, es un proceso urbano, político y económico iniciado a mediados del siglo XIX, continuado a lo largo del siglo XX.
Marco Ernesto Cortés Díaz
doaj  

Superficie come limite abilitante

open access: yesAnd, 2023
La superficie degli oggetti rappresenta il punto di contatto tra la dimensione sensoriale dell'utente e la sfera pratico-funzionale del prodotto. In questo spazio sottile, sempre più spesso, si svolge l’azione più efficace del progetto, ormai quasi ...
Jurji Filieri
doaj  

Beyond Groups? Consociational Culture and the Representation of Cross‐Segmental Interests

open access: yesSwiss Political Science Review, EarlyView.
Abstract In deeply divided societies, consociational power‐sharing ensures representation for ethnonational groups but raises questions about cross‐segmental interests. This paper explores “consociational culture,” arguing that consociational systems create a form of political culture which incentivises the use of group‐based categories and identities ...
Patrizia John
wiley   +1 more source

Representativeness and Mode Effects in the Swiss Election Study (Selects): Are Paper Surveys Still Relevant?

open access: yesSwiss Political Science Review, EarlyView.
Abstract Web‐based surveys have gained popularity due to their cost‐effectiveness and changing participation habits, a trend accelerated by the COVID‐19 pandemic. This raises questions about the continued value of paper‐based surveys in mixed‐mode studies like the Swiss Election Study (Selects), which uses a push‐to‐web design, offering a paper ...
Jan‐Erik Refle   +2 more
wiley   +1 more source

Everyday Discrimination as a Driver of Political Protest Among the Lower Social Class: Evidence from Germany

open access: yesSwiss Political Science Review, EarlyView.
Abstract This research note investigates how discriminatory experiences shape political protest behaviour among lower social class citizens. While prior studies show that discrimination mobilises ethnic and racial minorities toward protest, the political consequences of class‐based discrimination remain underexplored.
Manuel Diaz Garcia   +2 more
wiley   +1 more source

Velocidade limite c

open access: yesRevista Brasileira de Ensino de Física
Resumo Neste artigo, é proposta uma nova maneira de ensinar estudantes de graduação que a velocidade de luz c é um limite físico para corpos materiais.
Jose Rodolfo Chreim   +1 more
doaj   +1 more source

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