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Articles by Zhen-Shan Lin
Total Records ( 2 ) for Zhen-Shan Lin
  Xian Sun and Zhen-Shan Lin
  A novel multi-timescale analysis method, Empirical Mode Decomposition (EMD), is used to diagnose the variation of the annual mean temperature data of the global, China from 1881 to 2002. The results show that it contains four timescales quasi-periodic oscillations, 3 year and 6 year on interannual scales, interdecadal scales involving 20 year and 60 year and a trend, respectively. And the contributions of CO2 concentration to global temperature change is embodied by the trend signal, its influencing weight is not more than 40.19%, smaller than that of the rest four timescales climate natural variability in IMF1, IMF2, IMF3 and IMF4 (3, 6, 20 and 60 year, respectively). Though the increasing trend in atmospheric CO2 concentration, the modes of IMF2, IMF3 and IMF4 of global temperature are all in falling. Hence if maintains CO2 concentration constant at present, well then the radiation forcing of greenhouse warming is deficient to countercheck the natural change in global climate cooling in the future 20 years. In quasi 60 year timescales, abrupt temperature changes of China precede global temperature change, which provides a denotation for global climate change.
  Hui-Yu Liu , Zhen-Shan Lin and Hong-Yu Liu
  The scaling of environmental capacity of single species (K) with the number of patches (P) has been introduced by applying scaling theory in this paper based on the investigated data of Oriental White Storks in Naoli River basin in China. The maximum capacity of Oriental White Storks scales the number of patches to power 0.71, i.e., Ka P0.71. In the meantime, by incorporating the scaling relation into non-autonomous population model for single species with Allee effect under the accumulative effects of human activities, we simulated the population dynamics of the Oriental White Stork. The simulation results show that the Oriental White Stork is a living dead species; there is about 100 year time debt for its extinction to respond to the past habitat loss and fragmentation. To avoid the extinction of Oriental White Storks, habitat quality must be improved instead of holding current quality. By comparisons of different cases of improving habitat, we find that the changes of average patch area have more significant effects on the persistence of Oriental White Storks than the changes of the number of patches on condition that the changes of total areas are equal. Decreasing the number of patches is favorable to the persistence of the Oriental White Stork. At the same time, a larger reserve is more propitious to the Oriental White Stork`s long-term persistence than several smaller reserves with the same area.
 
 
 
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