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Environmental degradation resulting from warfare is a growing concern, particularly with increasing recognition of humanity's dependence on healthy ecosystems. Though environmental legislation does exist that seeks to prevent or mitigate environmental harm before, during and after conflict, it has limited scope and effectiveness. This may be one reason why the environmental laws of war are so rarely applied in attempts to bring parties responsible for environmental harm to justice. Enforcement of such legal instruments also requires appropriate quantification of environmental damage, which is particularly difficult in a warfare context. A focus on the loss of environmental resources, habitats or ecosystems is only part of the story—the real cost of environmental damage is in the loss of ecosystem services that such resources provide, both now and in the future, and which regional and global human societies depend upon. The ecosystem services framework, wherein the costs of damage to ecosystem services are quantified in economic terms, may prove a more effective way of highlighting the environmental damage resulting from warfare. Moreover, quantification along monetary lines is potentially more likely to establish a solid case for justifiable reparations than criteria relating to loss of biodiversity or ecosystem health, which are more difficult for society and governmental agencies to place specific values on. This article discusses the ecosystem services framework in the context of warfare, and highlights both the potential and the challenges that may accompany adoption of such a framework by the international community.  相似文献   
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This paper argues that, far from being a ‘lost cause’ when it comes to the study of medieval church architecture, St Nicholas at Newcastle reveals a considerable amount of its building history and development. It will also be argued, and evidence offered, that the sweeping restoration and rebuilding of much of the fabric in the 19th century was accrued out according to a ‘restore as was’ policy, meaning that many medieval features were reproduced. Further, it will be argued that some of the architecture may have been misdated, with potentially significant implications for the study of northern English architecture of the early 15th century.  相似文献   
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The US Capitol region ranks as one of the important biotech clusters in the US. This article documents the general dimensions of the innovative milieu and highlights the historical development of the cluster. The Capitol region biotechnology cluster, in essence, is the result of three reinforcing sets of factors: pre-existing resources, entrepreneurship and the incentives and infrastructure provided by government. Due to significant investments in science and technology the region was prepared to capitalize on technological opportunities in biotechnology as well as institutional policy changes that facilitated technology-based entrepreneurship.  相似文献   
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An osteometric–statistical study of residual rickets (RR) skeletal plasticity has been made of a time-ordered sequence of 11 series of adult skeleton sets (n=251) from shellmound sites around San Francisco Bay (the Bay) spanning the three archaeological horizons of Central California Indian prehistory in this region: Early (EH), Middle (MH) and Late (LH). To control for major differences of subsistence ecology and ethnolinguistic affiliation, the Bay sequence was further subdivided into four subregions: East (EB, Costanoan), South (SB, Costanoan, high acorns), West (WB, Costanoan, low acorns) and Northwest (NWB, Coast Miwok). In the eight EB series, a non-linear downward trend in cranioskeletal size was observed between EH and LH2, coinciding with a modest upward trend in the RR-15B score. To ascertain if food calcium deficit (CADEF) can explain the observed secular decline in cranioskeletal size, the evolving aboriginal Bay archaeodiet—relatively high in marine mammals, birds, fish and calcium-rich mollusks—was reconstructed by the diet grid method: in the three subregions with large stands of oaks (EB, SB, NWB), CADEF rose from negligible in the EH to moderate in the LH, as the subsistence base became more dependent on leached acorn meal for energy. Temporal and areal variation in Bay cranioskeletal size relates mostly to CADEF, demographic stress in females (DS), and the ‘male nutritional advantage interaction co-factor’ (MNAIC), in descending order of importance. This study has also confirmed the existence of the San Francisco Bay Indian physical type.  相似文献   
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