Entraînements d'éléments nutritifs suite au phénomène d'érosion en région limoneuse
of agressive rains, or during violent storms, losses are ten to twenty times more important as under ordinary rainfall. Expressed in fertilizer value, their amount approximates only a few hundred Belgian francs. Concerning eutrophication, contents of N and P
Land value, distance and productivity on the Auckland periphery
The influence of distance from the CBD on the value of land on Auckland's urban periphery is analysed using regression analysis for the years 1955, 1960, 1965 and 1970. In general, distances improves as a predictor of land value. As the influence
of distance from the CBD has increased through time, the physical quality of the land has become a less reliable predictor of land value.
Reference value of old people's hematocrit and geographical factors
The paper provides a scientific basis for a unified standard of the reference value of Chinese healthy old people's hematocrit. It is found that the altitude is the most important factor affecting this reference value.
The role of identifying and managing cultural values in rural development : SyCULTour 2013
Cultural and natural elements contribute to the development of rural areas. Identifying and evaluating development aspects and the interconnection of cultural values and local stakeholders are keys to managing cultural values. The AA. define
cultural values with development potential by studying the relevant research literature and legislation, carrying out field studies in the Idrija countryside, and using an online questionnaire to evaluate development aspects. - (IKR)
The AA. analyze tooth enamel from feral horses from a temperate climate : Shackleford Banks, North Carolina (USA). Enamel δC 13 values are compared with the values of local plants. Enamel δO 18 values are compared with values of surface water
samples and with analyses of the δO 18 values of precipitation at nearby Hatteras, North Carolina. The variability of both δO 18 and the δC 13 values among individuals within this population demonstrates that horses from relatively homogenous temperate
environments can display a wide range of isotopic values.
Relationship between reference value (Wintrobe) of Chinese people's erythrocyte sedimentation rate (ESR) and geographical factors
In order to provide a scientific basis for laying out a unified standard of the reference value (Wintrobe) of Chinese people's erythrocyte sedimentation rate (ESR), this paper studies the relationship between the reference values of Chinese healthy
people's ESR, and the test is done according to the Wintrobe Laws and 5 geographical factors. It is found that the altitude is the most important factor affecting the reference value (Wintrobe) of Chinese people's ESR. Furthermore, according
to the dependent relationship of the reference value of Chinese people's ESR on geographical factors, China can be divided into 6 districts.
In this paper, the first gravity values at 16 Norwegian stations measured by a modern absolute gravimeter of the FG5 type are presented. The gravity observations were corrected for Earth tides, varying atmospheric pressure, polar motion, and ocean
tide loading. The ocean tide loading corrections were subject to special attention. A model based on locally observed ocean tides was applied at some of the stations. The authors estimated the total uncertainties of the gravity values to range from 3
to 4 ϻgal.These errors are of magnitude one order less than previously presented absolute gravity values from Norway. The final gravity values are time tagged and will change due to postglacial rebound.
Value chain dynamics, settlement trajectories and regional development
Agricultural production ; Cocoa ; Coffee ; Diversification ; Ghana ; Livelihood ; Monoculture ; Regional development ; Rural economy ; Settlement ; Value chain ; Vietnam
This article examines value chain dynamics, settlement trajectories and regional development. Through the examples of storable perennial crops (cocoa in Ghana and coffee in Vietnam), it argues that livelihood diversification – or lack thereof
– indicates particular settlement trajectories that constitute regional development pathways. It is also suggested that the understanding of how regions are shaped by value chain dynamics will improve by adding elements from global production network theory
to the combined methodology, namely by an examination of territorial embed-dedness and value (creation, enhancement, capture, distribution) at settlement level.
Soil erosion, T values and sustainability : a review and exercise
Reviews environmental problems of erosion, the essential processes of soil loss, why soil prediction is necessary, tolerance (T) values and land sustainability. An exercise is described in which students estimate soil losses based on included tables
Background values and geochemical characteristics of 15 trace elements in the source area of the Yangtze River
The natural contents and background values of 15 trace elements Cu, Pb, Zn, Cd, Hg, As, Co, Ni, Cr, Se, Mn, Mo, Fe, V and F in water and sediments in the source area of the Yangtze River have been sampled. These are presented and discussed
An analyse of particular branches of Slovak industry following the gross production value, workers number and the value of basic means of industrial enterprises. The production index of concentration is defined as a ratio between the sum
of percentual parts of the gross production value achieved in the five biggest branch centers and the number of localities in the Slovakia having the equipmens of this branch. - (MS)