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ABSTRACT   In recognition of unavoidable changes that human actions are producing in our environment, the term adaptation has become ubiquitous in the environmental and climate-change literature. Human adaptation is a field with a significant history in anthropology, yet anthropological contributions to the burgeoning field of climate change remain limited. This "In Focus" section presents studies of local adaptations to climate variation and change. Each is concerned with current environmental challenges and future environmental change, and each study is placed within a wider context that includes processes of globalization and integration into market economies, formal and informal institutions, and disasters. These studies highlight the challenges involved in understanding complex adaptations under conditions of stress. They also illustrate how anthropologists engage the larger climate-change and human-adaptation discussions and enhance our ability to respond to the challenges of a changing environment.  相似文献   

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In this "In Focus" introduction, I begin by offering an overview of anthropology's engagements with human rights following the American Anthropological Association's (AAA) 1947 "Statement on Human Rights." After offering a rereading of the Statement, I describe the two major anthropological orientations to human rights that emerged in the 1980s and 1990s, following several decades of relative disengagement. Finally, I locate the articles in relation to this history and indicate how, when taken as a whole, they express a new key or register within which human rights can be studied, critiqued, and advanced through anthropological forms of knowledge. This "In Focus" is in part an argument for an essentially ecumenical anthropology of human rights, one that can tolerate, and indeed encourage, approaches that are both fundamentally critical of contemporary human rights regimes and politically or ethically committed to these same regimes.  相似文献   

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《American anthropologist》2005,107(3):321-330
By studying and writing about social revolutions and popular protest, James Scott has provided anthropologists and social theorists with a wide-ranging analytical vocabulary for speaking about peace and its inseparable twin—violence. His particular area of expertise has been the arts of repressive peace, and the artfulness of those who elude or defy such silencing technologies. The publication of The Moral Economy of the Peasant in 1976 initiated the first interactions between Scott's unique brand of political theory and anthropology in the shared topical space of peasant studies and the shared geographic space of Asian studies. The authors of this "In Focus" have assembled this special collection to celebrate and evaluate those and subsequent interactions covering a quarter of a century and spanning the publication of at least three other books: Weapons of the Weak (1985), Domination and the Arts of Resistance (1990), and Seeing Like a State (1998).  相似文献   

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In continuation of a series of papers describing new representatives of the phylum Gnathostomulida from the east coast of North America, the monotypic genus Nanognathia is presented. It is distinguished by small size, grouped epidermal inclusions on the ventral body surface, and flattened basket-type jaws with long teeth of which one is developed as a terminal tooth. Together with the structure of the reproductive system, these characteristics place Nanognathia within the suborder Scleroperalia, family Onychognathiidae.  相似文献   

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In this article, I argue for an ethnographic approach to human rights that recognizes the plural and fragmentary nature of the international rights regime and the ideological promiscuity of rights talk. Instead of determining in advance the social or political character of rights, anthropologists could profitably draw from the insights of early-20th-century "legal realists" and look closely at the underlying assumptions and hidden practices of political and legal processes. Studying the "social life of human rights" would involve focusing on, inter alia, the performative dimensions of human rights, the dynamics of social mobilization, and the attitudinal changes of elite and nonelite social actors towards formulations of "rights" and "justice," both inside and outside the legal process. I conclude with a review of recent anthropological research on human rights epistemology and evaluate its implications for human rights policy.  相似文献   

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The role of introduced epidemic disease in highland New Guinea is considered in light of recent debate concerning pre-contact adaptations. Seroepidemiological studies of the Hagahai, a small isolated group of hunterhorticulturalists in the fringe highlands of Papua New Guinea, document the recent introduction of mumps, hepatitis B, specific types of influenza, and rotavirus. Results are related to ethnographic findings, detailing past levels of intergroup contact and recent changes in settlement patterns, travel, feasting, health care, and other cultural factors. Data suggest that intergroup disease transmission is greatly increased decades before officially recorded time of contact and that mortality levels documented soon thereafter are not indicative of the pre-contact adaptation.  相似文献   

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Soil organic carbon (SOC) represents a significant pool of carbon within the biosphere. Climatic shifts in temperature and precipitation have a major influence on the decomposition and amount of SOC stored within an ecosystem. We have linked net primary production algorithms, which include the impact of enhanced atmospheric CO2 on plant growth, to the Soil Organic Carbon Resources And Transformations in EcoSystems (SOCRATES) model to develop a SOC map for the North Central Region of the United States between the years 1850 and 2100 in response to agricultural activity and climate conditions generated by the CSIRO Mk2 Global Circulation Model (GCM) and based on the Intergovernmental Panel for Climate Change (IPCC) IS92a emission scenario. We estimate that the current day (1990) stocks of SOC in the top 10 cm of the North Central Region to be 4692 Mt, and 8090 Mt in the top 20 cm of soil. This is 19% lower than the pre-settlement steady state value predicted by the SOCRATES model. By the year 2100, with temperature and precipitation increasing across the North Central Region by an average of 3.9°C and 8.1 cm, respectively, SOCRATES predicts SOC stores of the North Central Region to decline by 11.5 and 2% (in relation to 1990 values) for conventional and conservation tillage scenarios, respectively.  相似文献   

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Research must focus on management of diseases that cause extensive losses, especially when funds for research are limited. Knowledge of the losses caused by various soybean diseases is essential when prioritizing research budgets. The objective of this project was to compile estimates of soybean yields suppressed due to diseases for each soybean-producing state in the US from 2003 to 2005. The goal was to provide this information to help funding agencies and scientists prioritize research objectives and budgets. Yield suppression due to individual diseases varied among regions in the US, and the total of soybean yields suppressed due to diseases in the US varied among years. Soybean cyst nematode suppressed US soybean yield more during 2003 to 2005 than any other disease. Phytophthora root and stem rot, sudden death syndrome, and seedling diseases ranked in the top four on the list of diseases that suppressed soybean yield during these years. This is the first report of soybean yield suppression due to Asian soybean rust in the United States.  相似文献   

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Rapid climate change has the potential to affect economic, social, and biological systems. A concern for species conservation is whether or not the rate of on‐going climate change will exceed the rate at which species can adapt or move to suitable environments. Here we assess the climate velocity (both climate displacement rate and direction) for minimum temperature, actual evapotranspiration, and climatic water deficit (deficit) over the contiguous US during the 20th century (1916–2005). Vectors for these variables demonstrate a complex mosaic of patterns that vary spatially and temporally and are dependent on the spatial resolution of input climate data. Velocities for variables that characterize the climatic water balance were similar in magnitude to that derived from temperature, but frequently differed in direction resulting in the divergence of climate vectors through time. Our results strain expectations of poleward and upslope migration over the past century due to warming. Instead, they suggest that a more full understanding of changes in multiple climatic factors, in addition to temperature, may help explain unexpected or conflicting observational evidence of climate‐driven species range shifts during the 20th century.  相似文献   

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Landscape-level shifts in plant species distribution and abundance can fundamentally change the ecology of an ecosystem. Such shifts are occurring within mangrove-marsh ecotones, where over the last few decades, relatively mild winters have led to mangrove expansion into areas previously occupied by salt marsh plants. On the Texas (USA) coast of the western Gulf of Mexico, most cases of mangrove expansion have been documented within specific bays or watersheds. Based on this body of relatively small-scale work and broader global patterns of mangrove expansion, we hypothesized that there has been a recent regional-level displacement of salt marshes by mangroves. We classified Landsat-5 Thematic Mapper images using artificial neural networks to quantify black mangrove (Avicennia germinans) expansion and salt marsh (Spartina alterniflora and other grass and forb species) loss over 20 years across the entire Texas coast. Between 1990 and 2010, mangrove area grew by 16.1 km2, a 74% increase. Concurrently, salt marsh area decreased by 77.8 km2, a 24% net loss. Only 6% of that loss was attributable to mangrove expansion; most salt marsh was lost due to conversion to tidal flats or water, likely a result of relative sea level rise. Our research confirmed that mangroves are expanding and, in some instances, displacing salt marshes at certain locations. However, this shift is not widespread when analyzed at a larger, regional level. Rather, local, relative sea level rise was indirectly implicated as another important driver causing regional-level salt marsh loss. Climate change is expected to accelerate both sea level rise and mangrove expansion; these mechanisms are likely to interact synergistically and contribute to salt marsh loss.  相似文献   

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ABSTRACT

This collection of articles seeks to demonstrate that the concept of order – the intensive and extensive coordination of human action across space and time – is useful for answering some of the most pressing theoretical and practical questions in contemporary Papua New Guinea (PNG) today. Building on existing work in this field [Benda-Beckmann, K., and F. Pirie. 2007. “Introduction.” In Order and Disorder: Anthropological Perspectives, 1–15. New York: Berghahn Books] in this special issue we ask: How do people create enduring, stable, and routinised life in contemporary Melanesia today? We position our work as the next step in a growing movement to study contemporary institutions in PNG as order-making projects, rather than attempting to divide them into legitimate projects like ‘government’ and false or ineffective ones like ‘cargo cults’.  相似文献   

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We synthesize insights from current understanding of drought impacts at stand‐to‐biogeographic scales, including management options, and we identify challenges to be addressed with new research. Large stand‐level shifts underway in western forests already are showing the importance of interactions involving drought, insects, and fire. Diebacks, changes in composition and structure, and shifting range limits are widely observed. In the eastern US, the effects of increasing drought are becoming better understood at the level of individual trees, but this knowledge cannot yet be confidently translated to predictions of changing structure and diversity of forest stands. While eastern forests have not experienced the types of changes seen in western forests in recent decades, they too are vulnerable to drought and could experience significant changes with increased severity, frequency, or duration in drought. Throughout the continental United States, the combination of projected large climate‐induced shifts in suitable habitat from modeling studies and limited potential for the rapid migration of tree populations suggests that changing tree and forest biogeography could substantially lag habitat shifts already underway. Forest management practices can partially ameliorate drought impacts through reductions in stand density, selection of drought‐tolerant species and genotypes, artificial regeneration, and the development of multistructured stands. However, silvicultural treatments also could exacerbate drought impacts unless implemented with careful attention to site and stand characteristics. Gaps in our understanding should motivate new research on the effects of interactions involving climate and other species at the stand scale and how interactions and multiple responses are represented in models. This assessment indicates that, without a stronger empirical basis for drought impacts at the stand scale, more complex models may provide limited guidance.  相似文献   

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The coastal ecosystems of temperate North America provide a variety of ecosystem services including high rates of carbon sequestration. Yet, little data exist for the carbon stocks of major tidal wetland types in the Pacific Northwest, United States. We quantified the total ecosystem carbon stocks (TECS) in seagrass, emergent marshes, and forested tidal wetlands, occurring along increasing elevation and decreasing salinity gradients. The TECS included the total aboveground carbon stocks and the entire soil profile (to as deep as 3 m). TECS significantly increased along the elevation and salinity gradients: 217 ± 60 Mg C/ha for seagrass (low elevation/high salinity), 417 ± 70 Mg C/ha for low marsh, 551 ± 47 Mg C/ha for high marsh, and 1,064 ± 38 Mg C/ha for tidal forest (high elevation/low salinity). Soil carbon stocks accounted for >98% of TECS in the seagrass and marsh communities and 78% in the tidal forest. Soils in the 0–100 cm portion of the profile accounted for only 48%–53% of the TECS in seagrasses and marshes and 34% of the TECS in tidal forests. Thus, the commonly applied limit defining TECS to a 100 cm depth would greatly underestimate both carbon stocks and potential greenhouse gas emissions from land‐use conversion. The large carbon stocks coupled with other ecosystem services suggest value in the conservation and restoration of temperate zone tidal wetlands through climate change mitigation strategies. However, the findings suggest that long‐term sea‐level rise effects such as tidal inundation and increased porewater salinity will likely decrease ecosystem carbon stocks in the absence of upslope wetland migration buffer zones.  相似文献   

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