Results 131 to 140 of about 71,006 (311)

The impacts of biological invasions

Biological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock, Teun Everts, Neil Angelo S. Abreo, Jamie Bojko, Victor Deklerck, James W. E. Dickey, Ana Clara S. Franco, Emili García‐Berthou, Stelios Katsanevakis, Natalia I. Kirichenko, Stefano Mammola, Martin A. Nuñez, Ben Parker, Riccardo Scalera, Ismael Soto, Diederik Strubbe, Ali Serhan Tarkan, Lorenzo Vilizzi, Tim Adriaens, Paride Balzani, Dagmara Błońska, Elizabeta Briski, Rein Brys, Amy L. Burgess, James E. Byers, Carlos Cano‐Barbacil, Giuseppe Castaldelli, Jaimie T.A. Dick, Victoria Dominguez Almela, Romina D. Dimarco, Margarita Florencio, Antonín Kouba, Melina Kourantidou, Irmak Kurtul, Irene Martín‐Forés, Olivier Morissette, Julian D. Olden, Bruno E. Soares, Jakub Truszkowski, Hugo Verreycken, Marc Kenis, Ronaldo Sousa, J. Robert Britton   +42 more
wiley   +1 more source

Coming Closer? Tax Morale, Deterrence and Social Learning after German Unification [PDF]

The paper explores whether a social learning model helps explain the observed conformity and compliance with social norms after the unification of Germany.
Benno Torgler, Bin Ding, Lars P. Feld
core  

The As and Bs of titi monkey linguistics: why emotional communication is not the enemy

Biological Reviews, EarlyView.
ABSTRACT The alarm call sequences of titi monkeys (genera Plecturocebus, Callicebus and Cheracebus) have sparked important debates over whether they exhibit parallels with human language. Some researchers consider these sequences to involve both semantics and syntax, while others argue that the sequences convey semantic information without syntax.
Mélissa Berthet, Geoffrey Mesbahi, Maël Leroux   +2 more
wiley   +1 more source

Extended deterrence: Concept, challenges and problems

Nacionalni interes
This paper addresses the challenges faced by states in implementing the strategy of extended deterrence. Unlike direct deterrence, extended deterrence involves the participation of an additional actor, which makes political and military calculations more complex, thereby impacting the success of the strategy.
openaire   +1 more source

Securitization, Deterrence, and Extended Deterrence by Denial: The War in Ukraine

Foreign Policy Analysis
Abstract The war in Ukraine created a situation in which various actors issued and responded to existential threats. These incidents of aggressive rhetoric invite a scholarly discussion about the securitizing moves of deterrence. More specifically, I identify five interrelated securitizing moves—each responding to the other moves—within ...
openaire   +1 more source

Corruption and Tax Evasion with Competitive Bribes [PDF]

In this paper we consider a simple economy where self interested taxpayers may have incentives to evade taxes and to escape sanctions, by bribing public officials in charge for tax collection.
Antonio Acconcia, Marcello D'Amato, Riccardo Martina   +2 more
core  

Early evolutionary history of the seed

Biological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman, Alan R. T. Spencer, Jason Hilton   +2 more
wiley   +1 more source

Fear of grazing rivals the toxin‐inducing effects of nutrients in two marine harmful algae – a meta‐analysis

Biological Reviews, EarlyView.
ABSTRACT One of the major subfields of chemical ecology is the study of toxins and how they mediate interactions between organisms. Toxins produced by harmful algae (phycotoxins) impact a wide variety of organisms connected to the marine food web. Significant research efforts have thus aimed to identify the ecological and evolutionary drivers behind ...
Milad Pourdanandeh, Erik Selander
wiley   +1 more source

Contextual Analysis of Timber Smuggling in the East of Mazandaran Province [PDF]

بوم‌شناسی جنگل‌های ایران
Extended abstract Background: Destruction of environmental resources is one of the serious challenges in today's societies. However, some of these resources seem to be more destructed in developing countries. Forests are constantly being destroyed as one
Hossein Pourhossein, Hasan Akbari, Ali Akbar Firozjaeian, Majid Lotfalian, Asghar Fallah   +4 more
doaj  

Acquisition Values and Optimal Financial (In)Flexibility [PDF]

In this paper, the authors analyze optimal financial structure for an incumbent and potential entrant accounting for feedback effects in secondary asset markets.Financial Flexibility; Market Entry; Acquisition; Exit Values; Predation; Financial ...
Hege, Ulrich, Hennessy, Christopher
core