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Grasping at the routes of biological invasions: a framework for integrating pathways into policy
Summary 1. Pathways describe the processes that result in the introduction of alien species from one location to another. A framework is proposed to facilitate the comparative analysis of invasionExpand
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Global warming is predicted to cause distributional changes in organisms whose geographic ranges are controlled by temperature. We report a recent latitudinal and altitudinal expansion of the pineExpand
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Alien species in a warmer world: risks and opportunities.
Climate change and biological invasions are key processes affecting global biodiversity, yet their effects have usually been considered separately. Here, we emphasise that global warming has enabledExpand
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How well do we understand the impacts of alien species on ecosystem services? A pan-European, cross-taxa assessment
Recent comprehensive data provided through the DAISIE project (www.europe-aliens.org) have facilitated the development of the first pan-European assessment of the impacts of alien plants,Expand
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Ecological effects of invasive alien insects
A literature survey identified 403 primary research publications that investigated the ecological effects of invasive alien insects and/or the mechanisms underlying these effects. The majority ofExpand
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Disentangling the role of environmental and human pressures on biological invasions across Europe
The accelerating rates of international trade, travel, and transport in the latter half of the twentieth century have led to the progressive mixing of biota from across the world and the number ofExpand
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No saturation in the accumulation of alien species worldwide
Although research on human-mediated exchanges of species has substantially intensified during the last centuries, we know surprisingly little about temporal dynamics of alien species accumulationsExpand
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Socioeconomic legacy yields an invasion debt
Globalization and economic growth are widely recognized as important drivers of biological invasions. Consequently, there is an increasing need for governments to address the role of internationalExpand
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Insect Fauna of Coniferous Seed Cones: Diversity, Host Plant Interactions, and Management
Tree reproductive structures-pollen and seed cones, or microand mega­ sporangia-represent an extremely rich source of food for many animals (166). Although some species exploit pollen cones (189), inExpand
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Seed-infesting chalcids of the genus Megastigmus Dalman, 1820 (Hymenoptera: Torymidae) native and introduced to the West Palearctic region: taxonomy, host specificity and distribution
A total of 21 species (including one new to science) of Megastigmus seed chalcids are recognized in Europe, North Africa and Asia Minor. From 1977 to 2001, 5260 seed samples were collected from aExpand
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