Over the past decade, the field of biocultural diversity has arisen as an area of transdisciplinary research concerned with investigating the links between the world's linguistic, cultural, and biological diversity as manifestations of the diversity of life. The impetus for the emergence of this field came from the observation that all three diversities are under threat by some of the same forces and from the perception that loss of diversity at all levels spells dramatic consequences for humanity and the earth. Accordingly, the field of biocultural diversity has developed with both a theoretical and a practical side, the latter focusing on on-the-ground work and policy, as well as with an ethics and human rights component. This review provides some background on the historical antecedents and beginnings of this field and on its philosophical and ethical underpinnings, and then surveys the key literature on biocultural diversity, concentrating on three main aspects: global and regional studies on the links between linguistic, cultural, and biological diversity; the measurement and assessment of biocultural diversity; and the protection and maintenance of biocultural diversity. The review concludes with some considerations about future prospects for this emerging field.

Various revisions of the Berlin and Kay (1969) model of the evolution of basic color term systems have been produced in the last thirty years, motivated by both empirical and theoretical considerations. On the empirical side, new facts about color naming systems have continually come to light, which have demanded adjustments in the descriptive model. On the theoretical side, there has been a sustained effort to find motivation in the vision science literature regarding color appearance for the synchronic and diachronic constraints observed to govern color terminology systems. The present paper continues the pursuit of both of these goals. A new empirical question is addressed with data from the World Color Survey (WCS) and a revised model is proposed, which both responds to recently raised empirical questions and provides new motivation from the field of color vision for the observed constraints on color naming.

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There is an emerging recognition that the diversity of life comprises both biological and cultural diversity. In the past, however, it has been common to make divisions between nature and culture, arising partly out of a desire to control nature. The range of interconnections between biological and cultural diversity are reflected in the growing variety of environmental sub-disciplines that have emerged. In this article, we present ideas from a number of these sub-disciplines. We investigate four bridges linking both types of diversity (beliefs and worldviews, livelihoods and practices, knowledge bases and languages, and norms and institutions), seek to determine the common drivers of loss that exist, and suggest a novel and integrative path forwards. We recommend that future policy responses should target both biological and cultural diversity in a combined approach to conservation. The degree to which biological diversity is linked to cultural diversity is only beginning to be understood. But it is precisely as our knowledge is advancing that these complex systems are under threat. While conserving nature alongside human cultures presents unique challenges, we suggest that any hope for saving biological diversity is predicated on a concomitant effort to appreciate and protect cultural diversity.