Cultivation on grassland ecosystem, as one of the greatest disturbance, is well studied. Grassland cultivation, especially in desert region, often results in habitat fragmentation, and subsequently affects plant and animal communities.Under intensive disturbance, the responses of rodent species with different bionomic strategies to environmental change could play a key role in determining structure of their communities. Few literatures on Chinese western desert have focused on the impacts of cultivation on rodents. A study was conducted from 2006 to 2011at cultivated and non鄄cultivated sites to investigate effect of cultivation on rodent community diversity, community structure with different bionomic strategies, and their population abundance in Alashan, Inner Mongolia, China. We expected that rodents with r strategy will dominate in cultivated site, while K strategists will dominate in non鄄cultivated site. Rodent communities monitoring using live trapping
Resolution of traditional fluorescence microscopy is limited by the diffraction of light. Diffraction limit can be broken by structured illumination to get higher resolution. Compared to other super-resolution microscopy techniques, structured illumination fluorescence microscopy can achieve higher imaging speed and need a simple setup, which has an important application life science research. In this paper, we first illustrate the principle and reconstruction algorithm to obtain 2D and 3D super-resolution images as well as non-linear structured illumination. Then the generally used structured illumination method and setup based on grating, spatial light modulator (SLM) as well as digital micro-mirror device (DMD) are introduced and compared. At last we summarize the application of structured illumination fluorescence microscopy for observing biological structures and processes.
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