Books about Chorology from Amazon.com

In "Chorology", John Sallis takes up one of the most enigmatic discourses in the history of philosophy Plato's discourse on the chora - the chorology - forms the pivotal moment in the Timaeus. Drawing on the entire tradition of commentary from Aristotle and the early Academy, through Plutarch, Plotinus, and especially Proclus, to the recent discussions by Gadamer, Derrida, and others, Sallis undertakes a reinterpretation of the entire dialogue oriented to the chorology. Among its various effects, this reinterpretation unsettles the traditional reading of the famous passage on time as the moving image of eternity. It also resituates the entire cosmological discourse within its political frame. One of the most decisive results of this chorology is to show that the basic distinction between the intelligible and the sensible is, through the invocation of the chora, both founded and, at the same time, displaced. Insofar as this distinction defines the very scope of Westernmetaphysics, the implications of the chorology are momentous and communicate with many of the most decisive issues in contemporary philosophical discussions..
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This digital document is a journal article from Biological Conservation, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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National databases were interrogated to analyse and compare proportional alterations in the distribution ranges of orchid species between two surveys in the UK (surveys completed in 1969 and 1999) and in Estonia (surveys completed in 1970 and 2004). Nearly every species declined between the surveys in both countries, and two species may have become extinct in the UK. Mean decline in distribution range for 49 species in the UK was 50% (range 14-100%), and 23 species declined by over 50%. The mean decline for 33 orchid species in Estonia was 25% (range 0-62%), and three species declined by over 50%. These results corroborate serious range declines recently reported for orchids in other regions of Europe (the Netherlands and Flanders, Belgium). In contrast with these other regions, we found that species associated with calcareous grassland and woodland habitats had suffered greater mean contractions in range than species of wet grassland habitats. Greater decline was recorded for species found on drier soils, and for species characteristic of open habitats. In addition, greater decline was found in species with short inflorescences, and in species that were short-lived, and clonal. Our results suggest that levels of decline shown both by groups of species associated with specific habitat types, and by particular species of orchid, depend strongly on local policies and specific conservation action, and indicate the habitat types on which conservation efforts may need to be concentrated in the future. The results suggest that grazing and mowing of competing vegetation, and avoidance of substrate disturbance, will produce the greatest rewards for the most vulnerable species. able species. .
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This digital document is a journal article from Flora, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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World distribution of 488 out of 619 vascular plant species known from an area of 500km^2 within the western Khentey Mountains, northern Mongolia is analyzed. Most species belong to Eastern Asian (29%) or Asian, Eurasian, or circumpolar temperate species (24%) supporting the classification of the Khentey Mountains as part of the temperate zone of Eurasia. Seventeen percent of species are boreal plants. Circumpolar temperate-boreal (9%), Central (-Eastern) Asian (9%), Continental mountain species (5%), Middle-Central Asian (3%), arctic-alpine (3%) as well as Western Eurasian and western Siberian species are of lower significance for the flora of the western Khentey Mountains. Eastern Asian species occur in all types of habitats, whereas plants of other distribution types are focused on certain habitats. Boreal species preferably grow in the dark taiga, which prevails in the upper montane belt and on northern and eastern slopes of the most humid parts of the lower montane belt. Temperate and temperate-boreal species prefer subtaiga forests, which are found on northern and eastern slopes in drier parts of the lower montane belt as well as in upper parts of sun-exposed, southern and western slopes of the lower montane belt. Central (-Eastern) Asian and Middle-Central Asian species primarily inhabit forest steppe habitats, such as meadow and mountain steppes, Ulmus pumila open woodlands and dry Pinus sylvestris forests on steep, southern slopes. .
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This digital document is a journal article from Journal for Nature Conservation, published by Elsevier in 2005. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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We present new data about chorology, seed bank, dispersal, seedling biology and population structure of the threatened endemic shrub Vella pseudocytisus subsp. paui Gomez Campo in Spain. In addition, we investigate human activities that are linked with the fine-scale distribution of the taxon to offer conservation recommendations. Currently, the plant occurs in two populations close to the city of Teruel (East central Spain), growing in an open shrubby community on patches of gypsum substrate surrounded by agricultural landscape. The plant has disappeared from two reported locations dated from early 20th Century likely due to human activities. The seed bank seems to be poor. A ballistic dispersal mechanism appears to move seeds between 0 and 4m. We did not find a clear seasonal pattern of seedlings emergence although spring cohorts are the largest. Also, this period was where leaf seedling growth was more prominent. During the 3 years of our survey, the cumulative mortality was 94.2% of all seedlings plants. Plants are estimated to remain in the seedling stage for approximately 5 years. The demographic structure of both populations shows no apparent gaps in the distribution of size classes. Adult plants greater than 200dm^3 represent the most important stage for seed production and persistence. We point out two key factors for conservation purposes, first the weakness of some of the plant biological properties for natural establishment and second its ability to colonise artificial environments. We propose a mitigation of clonal spread in those sites and the protection of juvenile stages in more natural locations. .
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