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01/06/1992· Temporal scale is habitat lifespan relative to the generation time of the organism, and spatial scale is the distance between habitat patches relative to the dispersal distance of the organism. A spatially explicit simulation model of population growth and dispersal was constructed for a population that is distributed on a grid. The grid contains two sorts of habitat, useable and nonuseable ...
Chat OnlineAppropriate temporal and spatial scales vary between rehabilitation objectives. A scale appropriate within a physical or biological context might not be …
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In figure 11.3 (modified from Wallin et al. 1992) the two axes indicate the increasing temporal and spatial scale at which population dynamics events happen. In accordance with the hypothesis formulated by other authors (O'Neill et al. 1986; Noss 1992), the figure shows a positive correlation between space and time scales; that is, events that happen on a broader spatial scale …
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Appropriate temporal and spatial scales vary between rehabilitation objectives. A scale appropriate within a physical or biological context might not be …
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The two scales form the basis for choice of spatial and temporal scales in a subsequent spatial-temporal cluster analysis of the H5N1 outbreak cases. Poultry served as fuel and wild birds acted as fire seeds. Figure 4. Contour map of Spatial-temporal K function. ...
Chat OnlineScale in Ancient Astrology. Ancient astrology confronts both ancient and modern interpreters with an acute problem of scale. Given the vast spatial and temporal gulfs between celestial and terrestrial phenomena, how can the former be mapped onto the latter?
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An investigation of the relationship between climatic change at various temporal and spatial scales was conducted making use of correlation and coherence analyses applied to observed monthly and annual global mean temperature data. Results indicate that the spatial scale does not change in spite of an increase in the temporal scale. Furthermore, a certain pattern, …
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Over the past several years scientists have engaged in a wide array of investigations aimed at understanding the ecological consequences of climatic changes occurring over different temporal and spatial scales. Through these studies a great deal has been learned about the confounding methodological issues that arise when data characterizing climate impacts at one temporal or spatial scale …
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Spatial scale is a cornerstone of geographic research, and comparisons across scales can illuminate different aspects of spatial processes such as gentrification. There are two ways in which attention to spatial scale can advance this dialogue about comparative approaches to rural gentrification research: first, scale when used in reference to simply the size of a country or …
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Dec 10, 2019· Using a global model of the marine planktonic ecosystem, we quantify the temporal and spatial correlation scales of diverse types of phytoplankton. The timescales reflect the persistence of anomalies in time and the stability of the planktonic system. The spatial scales measure over what distances variations in phytoplankton populations are ...
Chat OnlineThe spatial–temporal changes of these indicators and their multidimensional combinations (including six two-dimensional and three three-dimensional combinations) are fully identified and quantitatively evaluated. Extreme precipitation can seriously affect the ecological environment, agriculture, human safety, and property resilience. A full-scale and scientific assessment in …
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Scale. In spatial ecology, scale refers to the spatial extent of ecological processes and the spatial interpretation of the data. The response of an organism or a species to the environment is particular to a specific scale, and may respond differently at a larger or smaller scale.
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Although Lund (1945) is the only study (of all aforementioned studies) to date to have analyzed specifically the terrestrial diatom production, the temporal and spatial scale of that study was relatively limited (i.e., one garden soil in optimal conditions). There is a pressing need for a better understanding of the seasonal patterns in diatom ...
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Apr 10, 2011· This article is essentially a review of the temporal and spatial scales of variability in both marine and freshwater planktonic environments and the algal responses to those scales. I assert that there are problems with our present understanding of these scales and the use of inappropriate assumptions concerning the occurrence of steady-state ...
Chat OnlineFigure 1. The scales of influence of stomata. Across temporal and spatial scales of study, there is a progression in the tools and technol-ogies employed. Examples illustrated are leaf gas-exchange chamber, eddy flux tower, satel-lite,supercomputer,andfossils,thelatteraform of deep-time climate data logger. Illustrated
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