Reseeding the legume Caragana korshinskii,is an effective strategy to restore the vegetation in degraded desert steppe.Here,we explored the responses of soil environment and microbial communities to desert steppe degr...Reseeding the legume Caragana korshinskii,is an effective strategy to restore the vegetation in degraded desert steppe.Here,we explored the responses of soil environment and microbial communities to desert steppe degradation and C.korshinskii reseeding.A typical native-degraded-restored closed-loop system in desert steppe:the natural stage with native C.korshinskii(NC),vegetation degradation stage(bare soil)(BS),both vegetation and soil degradation stage(desertified soil)(DS)and restored stage with reseeding C.korshinskii aged eight years(RC).The results showed that,within this closed-loop system:(i)compared to BS,soil degradation(DS)resulted in a 199%increase in sand content(P<0.05),while no difference between RC and NC(P>0.05),indicating restoration of soil texture.(ii)The soil microbial structure of RC was similar to that of NC,but based on changes in abundance,it could be divided into communities that increased with the rise in soil sand content(UTC+SPP),decreased due to vegetation degradation and increased soil sand content(FOC+SEC)(P<0.05)and unchanged(UC).(iii)Microbial networks showed lower average degree and modularity after reseeding C.korshinskii compared to NC.In summary,eight years of vegetation restoration led to the recovery of soil texture and microbial community structure,but not community complexity and stability.The results emphasize the time lag for soil microbiome reconstruction after reseeding C.korshinskii,providing novel insight into plant-soil-microbial interactions during the restoration of degraded desert steppe.展开更多
This paper presents a new test scheme based on scan block encoding in a linear feedback shift register （LFSR） reseeding-based compression environment.Meanwhile,our paper also introduces a novel algorithm of scan-blo...This paper presents a new test scheme based on scan block encoding in a linear feedback shift register （LFSR） reseeding-based compression environment.Meanwhile,our paper also introduces a novel algorithm of scan-block clustering.The main contribution of this paper is a flexible test-application framework that achieves significant reductions in switching activity during scan shift and the number of specified bits that need to be generated via LFSR reseeding.Thus,it can significantly reduce the test power and test data volume.Experimental results using Mintest test set on the larger ISCAS＇89 benchmarks show that the proposed method reduces the switching activity significantly by 72%-94%and provides a best possible test compression of 74%-94%with little hardware overhead.展开更多
基金Basic Research Operating Costs of Universities Programme of China(grant no.:BR230109)the Natural Science Foundation of Inner Mongolia(grant no.:2023QN03001)the Regional Project of National Natural Science Foundation of China(grant no.:32460071,32360072).
文摘Reseeding the legume Caragana korshinskii,is an effective strategy to restore the vegetation in degraded desert steppe.Here,we explored the responses of soil environment and microbial communities to desert steppe degradation and C.korshinskii reseeding.A typical native-degraded-restored closed-loop system in desert steppe:the natural stage with native C.korshinskii(NC),vegetation degradation stage(bare soil)(BS),both vegetation and soil degradation stage(desertified soil)(DS)and restored stage with reseeding C.korshinskii aged eight years(RC).The results showed that,within this closed-loop system:(i)compared to BS,soil degradation(DS)resulted in a 199%increase in sand content(P<0.05),while no difference between RC and NC(P>0.05),indicating restoration of soil texture.(ii)The soil microbial structure of RC was similar to that of NC,but based on changes in abundance,it could be divided into communities that increased with the rise in soil sand content(UTC+SPP),decreased due to vegetation degradation and increased soil sand content(FOC+SEC)(P<0.05)and unchanged(UC).(iii)Microbial networks showed lower average degree and modularity after reseeding C.korshinskii compared to NC.In summary,eight years of vegetation restoration led to the recovery of soil texture and microbial community structure,but not community complexity and stability.The results emphasize the time lag for soil microbiome reconstruction after reseeding C.korshinskii,providing novel insight into plant-soil-microbial interactions during the restoration of degraded desert steppe.
基金Project supported by the National Natural Science Foundation of China(Nos.60673085,60773207)
文摘This paper presents a new test scheme based on scan block encoding in a linear feedback shift register （LFSR） reseeding-based compression environment.Meanwhile,our paper also introduces a novel algorithm of scan-block clustering.The main contribution of this paper is a flexible test-application framework that achieves significant reductions in switching activity during scan shift and the number of specified bits that need to be generated via LFSR reseeding.Thus,it can significantly reduce the test power and test data volume.Experimental results using Mintest test set on the larger ISCAS＇89 benchmarks show that the proposed method reduces the switching activity significantly by 72%-94%and provides a best possible test compression of 74%-94%with little hardware overhead.
