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305篇 您的检索式:作者名="Patton D"
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1基于多目标权重分析的草地适宜放牧率探讨显示文摘依据生态系统服务的理念,首次发展了生态系统服务指数(ESI),试图通过对生态系统服务功能的综合考虑,提出科学的适宜放牧率的评价方法。本研究利用美国北达科他州立大学中部草原研究站17年长期放牧试验数据,选取植物多样性Shannon-Wiener指数、地上净初级生产力、土壤表层含水量和单位面积家畜增重4个指标,通过对不同指标分别赋予不同的权重,计算不同管理目标下ESI及其稳定性,并对单目标管理与多目标管理进行了比较研究。结果表明,对于北美混合普列里(Prairie)草地,围封不利用或建立自然保护区,虽然生态系统比较稳定,但既不能有效的提高植物多样性、初级生产力和土壤水分含量等生态功能,又没有畜产品产出;而在重牧或极重牧处理下虽然获得了较大的畜产品生产,但导致了草地生态系统的退化和较大的系统不稳定性。因此,这2种管理方式在实践中都是不可取的。应用生态系统服务指数综合考虑,认为应该权衡各项生态功能和生产功能,此时轻牧或中牧是最适宜的。因此,ESI的建立避免了单项指标的评价偏差,使得适宜放牧率的确定更加合理。潘绪斌 汪金晖 汪诗平 Nyren P E Patton B D 董学军 Nyren A 2008草业学报2008,17,4:3
2Robust fault detection in descriptor linear systems via generalized unknown input observers 显示文摘Duan G R Howe D Patton R J 2002International Journal of Systems Science2002,33,5:1
3Mentalhealth, depression, and anxiety in patients on maintaindialysis显示文摘Feroze U Martin D Reina - Patton A 2010IranJ Kidney Dis2010,4,3:1
4Ability of commercially available dairy ration programs to predict duodenal flows of protein and essential amino acids in dairy cows显示文摘PACHECO D PATTON R A PARYS C 2012Journal of Dairy Science2012,95,2:1
5Retinal pigment epithelial cell DNA is damaged by exposure to benzo pyrene, a constituent of cigarette smoke显示文摘PATTON W P ROUTLEDGE M N JONES G D 2002Exp Eye Res2002,74,4:1
6Protection system reliability modeling: unreadiness probability and mean duration of undetected fault显示文摘SINGH C PATTON A D 1980IEEE Trans on Reliability1980,29,4:1
7Utilization of black locust (Robinia pseudoacacia) leaf meal by rabbits显示文摘Cheeke P R Harris D J Patton N M 1984Nitrogen Fixing Tree Research Reports1984,,2:1
8Robust fault detection in descriptor linear systems via generalized unknown input observers 显示文摘DUAN G R HOWE D PATTON R J 2002Int J Systems Science2002,33,5:1
9Canadian Society for Cardiovascular Magnetic Resonance (CanSCMR) recom- mendations for cardiovascular magnetic resonance image anal- ysis and reporting 显示文摘Friedrich MG Larose E Patton D 2013Can J Cardiol2013,29,3:1
10Simian rotaviruses possess divergent gene constellations that originated from interspecies transmission and reas- sortment 显示文摘Matthijnssens J Taraporewala Z F Yang H Rao S Yuan L Cao D Hoshino Y Mertens P P Carner G R McNeal M Sestak K Van Ranst M Patton J T 2010J Virol2010,84,4:1
11Image fusion using an integrated dual head coincidence camera with X-ray tubebased attenuation maps显示文摘Patton JA Delbeke D Sandler MP 2000J Nucl Med2000,41,:1
1218 F-fluorodeoxyglucose imaging with positron emission tomography and single photon emission computed tomography: cardiac applications显示文摘Bax JJ Patton JA Poldermans D 2000Semin Nucl Med2000,30,4:1
13Power system reliability evaluation using learning vector quantization and Monte Carlo simulation显示文摘Luo Xiaochuan Singh C Patton A D 2003Electric Power Systems Research2003,66,2:1
14Analysis of factors controlling soil organic matter levels in Great Plains grasslands显示文摘PATTON W J SCHIMEL D S COLEAND C V et a1 1987Soil Science Society of America Journal1987,51,:1
15Corporate stagnation turnaround 显示文摘Schendel D Patton G 1976Journal of Economics and Business1976,28,1:1
16experimental rabbit models of chlamydia pneumoniae infection显示文摘Moarted T C Kuo C C Patton D L 1996Am J Pathol1996,148,:1
17Meinke D The TITAN5 gene of Arabidopsis encodes a protein related to the ADP ribosylation factor family of GTP binding proteins显示文摘 PATTON D RUMBAUGH M LIU C 2000The Plant Cell2000,,12:1
18Usage testing of military simulation systems显示文摘Walton G H Patton R M Parsons D J 2001Arlington USA Proceedings of Simulation Conference2001,,1:1
19FPA,a gene involved in floral induction in Arabidopsis ,encodes a protein containing RNA-recognition motif显示文摘SCHOMBURG F M PATTON D A MEINKE D W 2001Plant Cell2001,13,:1
20The AETG system: an approach to testing based on combinatorial design 显示文摘COHEN D M DALAL S R FREDMAN M L PATTON G C 1997IEEE Transaction On Software Engineering1997,23,7:1
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