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71.
Few places worldwide experienced Late Glacial ecological shifts as drastic as those seen in the areas covered by, or adjacent to, the massive ice sheets that blanketed much of the northern hemisphere. Among the most heavily glaciated regions, northern Europe underwent substantial ecological shifts during and after the Last Glacial Maximum. The climatically unstable Pleistocene–Holocene transition repeatedly transformed far-northern Europe, placing it among the last regions to be colonized by Paleolithic societies. As such, it shares paleoenvironmental and archaeological analogues with other once glaciated areas where human populations, entrenched in periglacial environments prior to glacier retreat, spread into newly deglaciated territories. Perhaps most significant for northern Europeans were post-glacial effects of the Younger Dryas and Preboreal periods, as shifts in climate, plant, and animal communities elicited several adaptive responses including innovation, exploration, and the eventual settlement of once glaciated landscapes. This paper is a detailed review of existing archaeological and paleoecological evidence pertaining to the Late Upper Paleolithic of northern Europe, and offers theoretical observations on human colonization models and ecological responses to large-scale stadial and interstadial events.  相似文献   
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The growing importance of marriage as a migration strategy has been accompanied by a problematisation and securitization of marriages between binational couples in media and policy discourse. Moreover, marriage migration has received increased scholarly attention. In this article, we propose an analytical framework for the study of marriage migration and its government that permits to transcend three biases and related blind spots that we identify in the existing literature. While this literature offers rich insights into marriage migration and states’ ever more laboured attempts to control and regulate it, this literature is, nevertheless, characterised by an implementation gap bias, a control bias and, finally, a destination country bias. To address these biases, we propose an analytical framework that is inspired by the autonomy of migration approach. We propose to ethnographically study binational couples’ encounters with marriage migration related authorities in countries of destination and citizenship with a particular focus on binational couples’ struggles for visas, resident permits and a right to family life. Illustrated through ethnographic research, we show that this methodology permits to highlight three aspects of marriage migration that have not been sufficiently considered so far. These include the securitization of marriage migration ‘from below’ through informal practices of government on the ‘street-level’, binational couples’ inherently political border struggles and their capacity to negotiate restrictive legislations and bureaucratic hurdles and, finally, what we call the multiple entanglements of binational couples in the border and citizenship regimes of two or more nation-state orders.  相似文献   
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