{"id":35084,"date":"2022-06-09T19:27:23","date_gmt":"2022-06-09T11:27:23","guid":{"rendered":"https:\/\/swarma.org\/?p=35084"},"modified":"2022-06-09T19:27:23","modified_gmt":"2022-06-09T11:27:23","slug":"%e8%a7%81%e8%91%97%e7%9f%a5%e5%be%ae-%e5%be%ae%e7%94%9f%e7%89%a9%e7%94%9f%e6%80%81%e7%b3%bb%e7%bb%9f%e6%bc%94%e5%8c%96%e7%b2%97%e7%b2%92%e5%8c%96%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=35084","title":{"rendered":"\u89c1\u8457\u77e5\u5fae\u2014\u2014\u5fae\u751f\u7269\u751f\u6001\u7cfb\u7edf\u6f14\u5316\u7c97\u7c92\u5316\u6a21\u578b"},"content":{"rendered":"
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\u8fd1\u65e5\uff0c\u4e00\u7bc7\u53d1\u8868\u4e8e PRX<\/em> \u7684\u65b0\u8bba\u6587\u57fa\u4e8e\u8d44\u6e90\u7ade\u4e89\u7684\u751f\u6001\u6f14\u5316\u6846\u67b6\u63d0\u51fa\u4e86\u4e00\u4e2a\u6700\u5c0f\u6a21\u578b\uff0c\u901a\u8fc7\u52a0\u5165\u5dee\u5f02\u5316\u7684\u76f8\u4e92\u4f5c\u7528\u7b49\u56e0\u7d20\uff0c\u6210\u529f\u590d\u73b0\u4e86\u5fae\u751f\u7269\u751f\u6001\u7cfb\u7edf\u7684\u53ef\u7c97\u7c92\u5316\u6027\uff08coarse-grainability\uff09\u3002\u7814\u7a76\u8fd8\u4e3a\u7c97\u7c92\u5316\u8d28\u91cf\u63d0\u4f9b\u4e86\u53ef\u64cd\u4f5c\u5b9a\u4e49\uff0c\u7528\u4e8e\u5b9a\u91cf\u8861\u91cf\u7cfb\u7edf\u7684\u7c97\u7c92\u5316\u7a0b\u5ea6\u3002<\/span><\/strong><\/p>\n

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\u8bba\u6587\u9898\u76ee\uff1a<\/span><\/p>\n

Defining Coarse-Grainability in a Model of Structured Microbial Ecosystems<\/span><\/p>\n

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https:\/\/journals.aps.org\/prx\/abstract\/10.1103\/PhysRevX.12.021038<\/span><\/section>\n<\/section>\n<\/section>\n<\/blockquote>\n


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1. \u53ef\u7c97\u7c92\u5316\u7684\u5fae\u751f\u7269\u751f\u6001\u7cfb\u7edf<\/span><\/strong><\/strong><\/p>\n<\/section>\n

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\u5fae\u751f\u7269\u7fa4\u843d\u53ef\u4ee5\u770b\u4f5c\u662f\u590d\u6742\u52a8\u529b\u7cfb\u7edf\uff0c\u5176\u4e2d\u9ad8\u5ea6\u591a\u6837\u7684\u7269\u79cd\u76f8\u4e92\u4f5c\u7528\u3002\u4f46\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u4e0d\u9700\u8981\u7528\u8fd9\u4e2a\u7fa4\u843d\u6240\u5305\u542b\u7684\u6240\u6709\u7269\u79cd\u6570\u6765\u63cf\u8ff0\u5b83\uff0c\u800c\u662f\u53ef\u4ee5\u4f7f\u7528\u5c0f\u4e8e\u7269\u79cd\u6570\u7684\u7ef4\u5ea6\u5bf9\u7cfb\u7edf\u8fdb\u884c\u6709\u6548\u9884\u6d4b<\/strong>\u2014\u2014\u6211\u4eec\u8bf4\uff0c\u8fd9\u6837\u7684\u7cfb\u7edf\u5728\u67d0\u4e9b\u7a0b\u5ea6\u4e0a\u662f\u53ef\u7c97\u7c92\u5316<\/strong><\/span>\uff08coarse-grainable\uff09<\/span>\u7684\u3002\u66f4\u6709\u610f\u601d\u7684\u662f\uff0c\u73b0\u6709\u8bc1\u636e\u8868\u660e\uff0c\u5fae\u751f\u7269\u751f\u6001\u7cfb\u7edf\u4e2d\u83cc\u682a<\/span>\uff08strain\uff09<\/span>\u591a\u6837\u6027\u7684\u589e\u52a0\uff0c\u5f80\u5f80\u80fd\u591f\u63d0\u5347\u8fd9\u4e2a\u7cfb\u7edf\u7684\u53ef\u9884\u6d4b\u6027\u3002<\/span><\/section>\n

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\u4e0d\u8fc7\uff0c\u5df2\u6709\u7684\u7814\u7a76\u5f80\u5f80\u4e0d\u80fd\u901a\u8fc7\u6a21\u578b\u81ea\u7136\u751f\u6210\u751f\u6001\u7cfb\u7edf\u7684\u5c42\u7ea7\u7ed3\u6784\uff1b\u6216\u8005\u8003\u8651\u66f4\u5c11\u7684\u56e0\u7d20\uff0c\u5982\u628a\u6d89\u53ca\u7684\u6027\u72b6\u4e0e\u8d44\u6e90\u9650\u5b9a\u5728\u53c2\u4e0e\u4ee3\u8c22\u7684\u7269\u8d28\u4e0a*\u3002\u8fd9\u4e9b\u90fd\u4f7f\u5f97\u6a21\u578b\u548c\u771f\u5b9e\u4e16\u754c\u5b58\u5728\u7740\u8f83\u5927\u7684\u8ddd\u79bb\u3002\u672c\u7814\u7a76\u57fa\u4e8e\u4e00\u4e2a\u751f\u6001\u6f14\u5316\u6846\u67b6\uff0c\u521b\u65b0\u6027\u5730\u63d0\u51fa\u4e86\u8bc4\u4f30\u7ed3\u6784\u5316\u751f\u6001\u7cfb\u7edf\u7684\u6700\u5c0f\u6a21\u578b\uff1b\u7814\u7a76\u8fd8\u7ed9\u51fa\u5e76\u5bf9\u6bd4\u4e86\u53ef\u64cd\u4f5c\u7684\u7c97\u7c92\u5316\u8d28\u91cf<\/span>\uff08coarse-graining quality\uff09<\/span>\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5e76\u4f7f\u7528\u8fd9\u6837\u7684\u65b9\u6cd5\u8861\u91cf\u4e86\u6a21\u62df\u7cfb\u7edf\u7684\u53ef\u7c97\u7c92\u5316\u6027\u3002<\/span><\/section>\n

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2. \u751f\u6001\u6f14\u5316\u6a21\u578b\u6a21\u62df\u7c97\u7c92\u5316\u73b0\u8c61<\/span><\/strong><\/strong><\/p>\n<\/section>\n

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\u56fe1. \u751f\u6001\u6f14\u5316\u6846\u67b6\u63d0\u4f9b\u7684\u8d44\u6e90\u7ade\u4e89\u6a21\u578b\u3002\uff08a\uff09<\/span> \u03bc\u4e3a\u83cc\u682a\uff0c i\u4e3a\u8d44\u6e90\uff1bN\u03bc<\/span><\/sub><\/span>\u4e3a\u4e0d\u540c\u83cc\u682a\u7684\u4e30\u5ea6\uff0c Ki<\/span><\/sub><\/span>\u4e3a\u8d44\u6e90\u63d0\u4f9b\u901f\u7387\uff0c hi<\/span><\/sub><\/span>\u4e3a\u8d44\u6e90\u6d88\u8017\u901f\u7387\u3002\uff08b\uff09\u968f\u7740\u4e00\u79cd\u8d44\u6e90\u88ab\u5229\u7528\u7a0b\u5ea6\uff08exploitation\uff09\u7684\u589e\u52a0\u4e0d\u540c\uff0c\u5728\u8fd9\u79cd\u8d44\u6e90\u4e0a\u7684\u6536\u76ca\uff08benefit\uff09\u5c06\u4f1a\u5448\u73b0\u9012\u51cf\u6001\u52bf\uff0c\u800c\u5728\u8be5\u79cd\u8d44\u6e90\u6ca1\u6709\u88ab\u5229\u7528\u65f6\u7684\u6700\u5927\u6536\u76ca\u4e3abi<\/span><\/sub><\/span> \uff0c\u6536\u76ca\u964d\u81f3\u4e00\u534a\u65f6\u7684\u5229\u7528\u7a0b\u5ea6\u5b9a\u4e49\u4e3a\u4fdd\u6301\u5bb9\u91cf\uff08carrying capacity\uff09\uff0c\u5373Ki<\/span><\/sub><\/span> \uff1b\uff08c\uff09\u4e0d\u540c\u83cc\u682a\u6027\u72b6\uff08trait\uff09\u7684\u4e8c\u503c\u8868\u793a\uff0c Jij<\/span><\/sub><\/span>\u8868\u793a\u4e24\u79cd\u6027\u72b6\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c J<\/span>ij<\/span><\/sub><\/span>\uff1e0\u8868\u793a\u6027\u72b6\u503e\u5411\u4e8e\u540c\u65f6\u51fa\u73b0\uff0cJ<\/span>ij<\/span><\/sub><\/span>\uff1c0\u8868\u793a\u6027\u72b6\u4e4b\u95f4\u76f8\u4e92\u6392\u65a5\u3002<\/span><\/p>\n


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\u63a5\u4e0b\u6765\uff0c\u7814\u7a76\u8005\u5728\u8fd9\u6837\u7684\u6a21\u578b\u4e2d\u5177\u4f53\u8bbe\u5b9a\u4e86\u6027\u72b6\u4e4b\u95f4\u76f8\u4e92\u4f5c\u7528\u7684\u56e0\u7d20<\/span>\uff08\u56fe2a\u3001b\uff09<\/span>\uff0c\u76f8\u4e92\u4f5c\u7528\u5f3a\u5ea6\u7684\u5206\u914d\u8bbe\u5b9a\u4e3a\u5927\u90e8\u5206\u6027\u72b6\u4e4b\u95f4\u6ca1\u6709\u6216\u4ec5\u6709\u8f83\u5f31\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u800c\u5c11\u90e8\u5206\u6027\u72b6\u4e4b\u95f4\u76f8\u4e92\u4f5c\u7528\u8f83\u5f3a\u2014\u2014\u8fd9\u4e5f\u662f\u4e00\u79cd\u81ea\u7136\u7684\u8bbe\u5b9a\u3002\u5c31\u662f\u8fd9\u6837\u7b80\u5355\u7684\u8bbe\u5b9a\uff0c\u4f7f\u5f97\u5c42\u7ea7\u7ed3\u6784\u81ea\u7136\u5730\u4ea7\u751f\u4e86\uff1a\u5f3a\u76f8\u4e92\u4f5c\u7528\u7684\u6027\u72b6\u603b\u662f\u503e\u5411\u4e8e\u4e92\u65a5\u6216\u5171\u73b0\uff0c\u5f62\u6210\u7a33\u5b9a\u7684\u4e0a\u5c42\u7ed3\u6784\uff1b\u5f31\u76f8\u4e92\u4f5c\u7528\u7684\u6027\u72b6\u53ef\u4ee5\u66f4\u968f\u673a\u5730\u88ab\u83b7\u5f97\u3001\u6d88\u9664\u2014\u2014\u4e8e\u662f\u4e00\u4e9b\u83cc\u682a\u5171\u4eab\u4e00\u4e9b\u6838\u5fc3\u6027\u72b6\uff0c\u800c\u5728\u53e6\u4e00\u4e9b\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u5f62\u6210\u66f4\u7ec6\u7c92\u5ea6\u7684\u591a\u6837\u6027\u3002\u8fd9\u6837\uff0c\u5f53\u52a0\u5165\u76f8\u4e92\u4f5c\u7528\u7684\u56e0\u7d20\u540e\uff0c\u751f\u6001\u6f14\u5316\u52a8\u529b\u5b66\u4e2d\u5c31\u53d1\u751f\u4e86\u53ef\u4ee5\u8fa8\u8bc6\u7684\u7c97\u7c92\u5316\u73b0\u8c61\u3002<\/strong><\/span><\/section>\n

<\/section>\n
\u4f8b\u5982\uff0c\u4e0d\u540c\u83cc\u682a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u8fdb\u6709\u4ea7\u751f\u4e0e\u6d88\u4ea1<\/span>\uff08\u56fe2c\uff09<\/span>\uff0c\u4f46\u662f\u5982\u679c\u628a\u67d0\u4e00\u4e9b\u83cc\u682a\u50cf\u56fe\u4e2d\u5f69\u8272\u9ad8\u4eae\u7684\u90e8\u5206\u4e00\u6837\u8fdb\u884c\u5f52\u7ec4\uff0c\u5219\u53ef\u4ee5\u53d1\u73b0\u5b83\u4eec\u7684\u4e30\u5ea6\u603b\u548c\u662f\u76f8\u5bf9\u7a33\u5b9a\u7684\uff0c\u89c1\u56fe2c\u6f14\u5316\u5230\u5c3e\u90e8\u65f6\u5019\u7684\u6027\u72b6\u5206\u5e03\u60c5\u51b5<\/span>\uff08\u56fe2d\uff09<\/span>\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\u56fe\u4e2d\u7ea2\u8272\u6807\u51fa\u7684\u83cc\u682a\u6301\u6709\u7684\u6027\u72b6\u57fa\u672c\u7c7b\u4f3c\u2014\u2014\u5177\u4f53\u6765\u8bb2\uff0c\u524d24\u4e2a\u6027\u72b6\u662f\u5b8c\u5168\u76f8\u540c\u7684\uff0c\u7814\u7a76\u4e2d\u79f0\u4f5c\u5f53\u5b83\u4eec\u5728L*=24\u65f6\u5c5e\u4e8e\u540c\u4e00 L*<\/span>\u7c7b\u578b<\/span>\uff08 L*<\/span>-types\uff09<\/span>\u3002\u8fd9\u91cc\u7684L*<\/span>\u662f\u8003\u8651\u6027\u72b6\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\u4ed6\u4eec\u53ef\u4ee5\u770b\u4f5c\u67d0\u4e00\u4e2a\u7279\u5b9a\u7684\u5f52\u7ec4\uff0c\u4ea6\u5373\u53ef\u7c97\u7c92\u5316\uff0c L*<\/span>\u8d8a\u5c0f\uff0c\u6a21\u578b\u5c31\u8d8a\u7c97\u7c92\u5316<\/span>\uff08\u4e0d\u8fc7\u8fd9\u79cd\u7c97\u7c92\u5316\u4e0d\u4e00\u5b9a\u662f\u6709\u6548\u7684\uff0c\u8fd9\u4e00\u70b9\u4f1a\u5728\u540e\u6587\u63d0\u53ca\uff09<\/span>\u3002\u8fdb\u4e00\u6b65\u5730\uff0c\u5728L*<\/span>\u8f83\u5c0f\u7684\u65f6\u5019\uff0c L*<\/span>\u7c7b\u578b\u4f1a\u4fdd\u6301\u4e00\u4e2a\u53d8\u5316\u7f13\u6162\u7684\u5e73\u53f0\uff0c\u5373\u7fa4\u843d\u4e2d\u83cc\u682a\u53ef\u5f52\u7ed3\u4e3a\u4ec5\u6709\u7684\u51e0\u4e2a\u5927\u7c7b<\/span>\uff08\u56fe2e\uff09<\/span>\u3002\u7c7b\u4f3c\u7684\u8d8b\u52bf\u5728\u66f4\u591a\u83cc\u682a\u7684\u7cfb\u7edf\u4e2d\u4e5f\u4f1a\u51fa\u73b0\uff0c\u4e14L*<\/span>\u7c7b\u578b\u4f1a\u8fdc\u5c0f\u4e8e\u968f\u673a\u5bf9\u7167\u7684\u60c5\u51b5<\/span>\uff08\u56fe2f\u3001g\uff09<\/span>\u3002<\/span><\/section>\n

<\/section>\n
<\/section>\n

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3. \u91cf\u5316\u7684\u53ef\u7c97\u7c92\u5316\u6027<\/span><\/strong><\/strong><\/p>\n<\/section>\n

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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/h3>\n


<\/p>\n

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<\/section>\n
\u63a5\u4e0b\u6765\u7814\u7a76\u5c31\u5c1d\u8bd5\u53bb\u91cf\u5316\u8fd9\u79cd\u53ef\u7c97\u7c92\u5316\u6027\uff0c\u4e0d\u8fc7\u5728\u6b64\u4e4b\u524d\uff0c\u6211\u4eec\u5df2\u7ecf\u80fd\u591f\u5b9a\u6027\u628a\u63e1\u6709\u6548\u6027\u7684\u4e3b\u8981\u51e0\u79cd\u53ef\u80fd\u60c5\u51b5\u662f\uff1a\u82e5L*\uff1cL\u5219\u65e0\u6cd5\u628a\u63e1\u8be5\u7cfb\u7edf\uff0c\u7cfb\u7edf\u4e0d\u53ef\u7c97\u7c92\u5316<\/span>\uff08\u56fe3d\uff09<\/span>\uff1b\u7ed9\u5b9a\u4e00\u4e2a L\uff0c\u5bf9\u4e8e\u4e00\u4e2a L*\uff1cL<\/span>\uff0c\u6709\u4e00\u5b9a\u7684\u7b80\u5316\u6709\u6548\u6027\uff0c\u5219\u7cfb\u7edf\u5f31\u53ef\u7c97\u7c92\u5316<\/span>\uff08\u56fe3e\uff09<\/span>\uff1b\u7ed9\u5b9a\u4e00\u4e2a L*<\/span>\uff0c\u5f53L\u589e\u957f\uff0c\u5373\u73af\u5883\u590d\u6742\u5ea6\u589e\u957f\u7684\u65f6\u5019\uff0cL*<\/span>\u7684\u6709\u6548\u6027\u4fdd\u6301\u7a33\u5b9a\uff0c\u5219\u7cfb\u7edf\u5f3a\u53ef\u7c97\u7c92\u5316<\/span>\uff08\u56fe3f\uff09<\/span>\u3002<\/span><\/section>\n

<\/span><\/section>\n
<\/section>\n

\u56fe3. \u5b9a\u4e49\u5f3a\u4e0e\u5f31\u7684\u53ef\u7c97\u7c92\u5316\u6027\u3002\uff08a\uff09\u73af\u5883\u590d\u6742\u5ea6L \uff1b\uff08b\uff09\u4ee5L\u533a\u5206\uff0c\u5219\u4e3a\u4e0d\u540c\u83cc\u682a\uff1b\uff08c\uff09\u4ee5L*\u533a\u5206\uff0c\u5219\u4e3a\u4e0d\u540c\u7c7b\u578b\u6216\u5206\u7c7b\u5355\u5143\uff1b\uff08d-f\uff09\u4e0d\u53ef\u7c97\u7c92\u5316\uff0c\u5f31\u53ef\u7c97\u7c92\u5316\uff08weak sense\uff09\uff0c\u5f3a\u53ef\u7c97\u7c92\u5316\uff08strong sense\uff09\u7684\u60c5\u51b5\u3002<\/span><\/p>\n


<\/section>\n
\u91cf\u5316\u7684\u53ef\u7c97\u7c92\u5316\u6027\u5373\u7c97\u7c92\u5316\u8d28\u91cf<\/strong>\uff0c\u5176\u6307\u6807\u5b9a\u4e49\u53ef\u4ee5\u6709\u5f88\u591a\u53ef\u80fd\u7684\u601d\u8def\uff0c\u8fd9\u91cc\u7814\u7a76\u7ed9\u51fa\u4e86\u4e24\u79cd\u6bd4\u8f83\u5408\u7406\u7684\u65b9\u6cd5\u3002\u9996\u5148\u8003\u8651\u4e00\u4e2a\u7b80\u5316\u7cfb\u7edf\u6a21\u578b<\/span>\uff08\u56fe4a\uff09<\/span>\uff0c\u8be5\u7fa4\u843d\u6309\u7167\u67d0\u4e9b\u7279\u5f81\u53ef\u4ee5\u88ab\u5206\u4e3a3\u4e2a\u5b9e\u8df5\u5206\u7c7b\u5355\u5143<\/span>\uff08operational taxanomic units, OTUs\uff09<\/span>\uff0c\u5373\u5229\u7528\u5c11\u4e8e\u7cfb\u7edf\u539f\u6709\u7269\u79cd\u6570\u7684\u7ef4\u5ea6\u6765\u5c1d\u8bd5\u628a\u63e1\u8be5\u7cfb\u7edf\uff0c\u63a5\u4e0b\u6765\u9700\u8981\u6d4b\u8bd5\u8fd9\u79cd\u628a\u63e1\u7684\u6709\u6548\u6027\u3002<\/span><\/section>\n

<\/section>\n
\u7b2c\u4e00\u79cd\u65b9\u6cd5<\/span>\uff08\u56fe4b\uff09<\/span>\u662f\u4ece3\u4e2a\u5206\u7c7b\u5355\u5143\u4e2d\u5404\u9009\u62e9\u4e00\u4e2a\u83cc\u682a\u6784\u6210\u4e00\u4e2a\u7fa4\u843d\uff0c\u5982\u679c\u4e0d\u540c\u7684\u7ec4\u5408\u9009\u62e9\u65b9\u6cd5\u751f\u6210\u7c7b\u4f3c\u7684\u7fa4\u843d\uff0c\u5219\u8ba4\u4e3a\u7c97\u7c92\u5316\u8d28\u91cf<\/span>\uff08 Qrec<\/sub>\uff09<\/span>\u9ad8\uff0c\u8fd9\u79cd\u65b9\u6cd5\u88ab\u79f0\u4e3a\u91cd\u73b0\u6d4b\u8bd5<\/span>\uff08reconstitution test\uff0c\u56fe4b\uff09<\/span>\uff1b\u7b2c\u4e8c\u79cd\u65b9\u6cd5<\/span>\uff08\u56fe4c\uff09<\/span>\u662f\u8ba9\u7fa4\u843d\u4e2d\u4ec5\u5b58\u57282\u4e2a\u5206\u7c7b\u5355\u5143 \uff0c\u4ece\u7b2c3\u4e2a\u7559\u51fa\u7684\u5206\u7c7b\u5355\u5143\u4e2d\u4f9d\u6b21\u9009\u62e9\u5404\u4e2a\u83cc\u682a\u5165\u4fb5\u8be5\u7fa4\u843d\uff0c\u5982\u679c\u5bf9\u5404\u4e2a\u7559\u51fa\u7684\u5206\u7c7b\u5355\u5143\uff0c\u5176\u4e2d\u5404\u4e2a\u83cc\u682a\u7684\u5165\u4fb5\u8868\u73b0\u662f\u7c7b\u4f3c\u7684\uff0c\u5219\u8ba4\u4e3a\u7c97\u7c92\u5316\u8d28\u91cf<\/span>\uff08 Qinv<\/sub>\uff09<\/span>\u9ad8\uff0c\u8fd9\u79cd\u65b9\u6cd5\u88ab\u79f0\u4e3a\u7559\u4e00\u6d4b\u8bd5<\/span>\uff08leave-one-out test\uff0c\u56fe4c\uff09<\/span>\u3002<\/span><\/section>\n

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\u56fe4. \u7528\u4e8e\u8861\u91cf\u7c97\u7c92\u5316\u8d28\u91cf\u7684\u5b9e\u8df5\u6807\u51c6\u3002\u8be5\u7fa4\u843d\u6309\u7167\u67d0\u4e9b\u7279\u5f81\u88ab\u5206\u4e3a3\u4e2a\u5b9e\u8df5\u5206\u7c7b\u5355\u5143\uff08OTUs\uff09\uff0c\u56fe\u4e2d\u7528\u7ea2\u7eff\u84dd\u4e09\u7c7b\u989c\u8272\u793a\u610f\uff08\u8fd9\u91cc\u989c\u8272\u4ee3\u8868\u4ec5\u6709\u7684\u8003\u8651\u6027\u72b6\uff0c\u5373 L*=1\uff09\uff0c\u6bcf\u4e2a\u5206\u7c7b\u5355\u5143\u5373\u5c5e\u540c\u4e00 L* \u7c7b\u578b\uff0c\u7528\u540c\u4e00\u989c\u8272\u4e0d\u540c\u5f62\u72b6\u8868\u793a\u8be5\u7c7b\u4e0b\u7684\u4e0d\u540c\u83cc\u682a\u3002\uff08a\uff09\u7528\u989c\u8272\u793a\u610f\u7684\u5019\u9009\u7c97\u7c92\u5316\u65b9\u6848\uff1b\uff08b\uff09\u91cd\u73b0\u6d4b\u8bd5\uff0c\u6761\u5f62\u4ee3\u8868\u5bf9\u5e94\u7fa4\u843d\u4e30\u5ea6\uff1b\uff08c\uff09\u7559\u4e00\u6d4b\u8bd5\uff0c\u56fe\u4e3a\u793a\u610f\u751f\u957f\u66f2\u7ebf\u3002<\/span><\/p>\n


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\u4ee5\u4e0a\u4e24\u79cd\u6d4b\u8bd5\u5747\u6709\u5176\u5408\u7406\u6027\uff0c\u4f46\u5b9e\u8df5\u4e2d\u6548\u679c\u53ef\u80fd\u5927\u76f8\u5f84\u5ead\u3002\u540c\u6837\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u53ef\u80fd\u4ec5\u5728\u4e00\u4e2a\u6807\u51c6\u4e0b\u662f\u53ef\u7c97\u7c92\u5316\u7684<\/strong>\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7cfb\u7edf\u5728\u7559\u4e00\u6d4b\u8bd5\u57fa\u7840\u4e0a\u8861\u91cf\uff0c\u53ef\u80fd\u662f\u5f3a\u53ef\u7c97\u7c92\u5316\u7684<\/span>\uff08\u56fe5a\uff09<\/span>\uff1b\u800c\u5728\u91cd\u73b0\u6d4b\u8bd5\u57fa\u7840\u4e0a\u8861\u91cf\uff0c\u5374\u51e0\u4e4e\u4e0d\u53ef\u7c97\u7c92\u5316<\/span>\uff08\u56fe5b\uff09<\/span>\u3002\u4e0d\u8fc7\u81f3\u5c11\u53ef\u4ee5\u770b\u51fa\uff0c\u4e00\u79cd\u7c97\u7c92\u5316\u53ef\u4ee5\u5728\u64cd\u4f5c\u4e0a\u5bf9\u4e8e\u7ed9\u5b9a\u76ee\u7684\u8d77\u6548\uff0c\u5e76\u5f52\u7ec4\u529f\u80fd\u4e0a\u591a\u6837\u7684\u83cc\u682a\uff1b\u800c\u4e14\u7531\u4e8eL\u7684\u589e\u957f\u610f\u5473\u7740\u83cc\u682a\u79cd\u7c7b\u591a\u6837\u6027\u4e5f\u5728\u589e\u957f\uff0c\u6b64\u65f6\u540c\u4e00L*\u7684\u7c97\u7c92\u5316\u6548\u679c\u4fdd\u6301\u7a33\u5b9a\uff0c\u4ece\u76f8\u5bf9\u7684\u89c6\u89d2\u6765\u770b\u8fd9\u610f\u5473\u7740\u591a\u6837\u6027\u7684\u83cc\u682a\u53cd\u800c\u4fc3\u8fdb\u4e86\u53ef\u7c97\u7c92\u5316\u6027\u3002<\/span><\/section>\n

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<\/section>\n

\u56fe5. \u540c\u6837\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u53ef\u80fd\u4ec5\u5728\u4e00\u4e2a\u6807\u51c6\u4e0b\u662f\u53ef\u7c97\u7c92\u5316\u7684\u3002\uff08a\uff09\u7559\u4e00\u6d4b\u8bd5\u5f97\u5230\u7684\u7c97\u7c92\u5316\u8d28\u91cfQinv<\/sub>\u70ed\u56fe\uff0c\u9752\u8272\u7ebf\u4e3a\u7c97\u7c92\u5316\u8d28\u91cf\u7b49\u9ad8\u7ebf\uff1b\uff08b\uff09\u91cd\u73b0\u6d4b\u8bd5\u5f97\u5230\u7684\u7c97\u7c92\u5316\u8d28\u91cfQrec<\/sub>\u70ed\u56fe\uff0c\u9488\u5bf9\u540c\u4e00\u4e2a\u6a21\u62df\u6848\u4f8b\u3002<\/span><\/p>\n


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4. \u66f4\u7c97\u7c92\u5316\u7684\u7cfb\u7edf\u66f4\u5bb9\u6613\u590d\u73b0<\/span><\/strong><\/strong><\/p>\n<\/section>\n

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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/h3>\n


<\/p>\n

\u771f\u5b9e\u60c5\u5f62\u4e0b\u7684\u73af\u5883\u5b58\u5728\u4e00\u5b9a\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u5bf9\u5e94\u5230\u672c\u7814\u7a76\u7684\u6a21\u578b\u5f53\u4e2d\uff0c\u5219\u53ef\u4ee5\u662f\u73af\u5883\u7684\u8d44\u6e90\u63d0\u4f9b<\/sub>\u5b58\u5728\u53d8\u5316\u3002\u672c\u7814\u7a76\u5229\u7528\u901a\u8fc7\u7ed9\u73af\u5883\u6dfb\u52a0\u6270\u52a8\u5b8c\u6210\u4e00\u7cfb\u5217\u6a21\u62df<\/span>\uff08replicates\uff09<\/span>\uff0c\u6765\u63a2\u7a76\u6b64\u79cd\u60c5\u51b5\u4e0b\u7cfb\u7edf\u7684\u7c97\u7c92\u5316\u6027\u8d28<\/span>\uff08\u56fe6a\uff09<\/span>\u3002<\/span><\/section>\n

<\/section>\n
\u9996\u5148\uff0c\u5c31\u6a21\u62df\u8fbe\u5230\u7684\u5e73\u8861\u76f8\u5bf9\u4e30\u5ea6\u6765\u770b<\/span>\uff08\u56fe6b\uff09<\/span>\uff0c\u66f4\u7c97\u7c92\u5ea6\u7684\u63cf\u8ff0<\/span>\uff08L*=5 \uff09<\/span>\u6bd4\u66f4\u7ec6\u7c92\u5ea6\u7684<\/span>\uff08L*=30<\/span> \uff09<\/span>\u5177\u6709\u66f4\u5f3a\u7684\u53ef\u590d\u73b0\u6027\u3002\u8fdb\u4e00\u6b65\u8003\u8651L*\u53d8\u5316\u65f6\u7684\u60c5\u51b5<\/span>\uff08\u56fe6c\uff09<\/span>\uff0c\u53ef\u89c1L*<\/span>\u8d8a\u5927\uff0c\u5219L*<\/span>\u7c7b\u578b\u7684\u4e30\u5ea6\u53d8\u5316\u5c31\u4f1a\u66f4\u5927\uff0c\u4e14\u5b58\u5728\u66f4\u591a\u7684\u4e0d\u786e\u5b9a\u6027\u3002\u4e0a\u8ff0\u7ed3\u679c\u63d0\u793a\uff0c\u751f\u6001\u7cfb\u7edf\u4e2d\u67d0\u4e9b\u66f4\u5927\u5c3a\u5ea6\u7684\u5178\u578b\u6a21\u5f0f\u76f8\u6bd4\u4e8e\u5176\u4e2d\u7684\u7ec6\u8282\uff0c\u53ef\u80fd\u66f4\u52a0\u53ef\u6cdb\u5316\u4e0e\u53ef\u590d\u73b0\u3002<\/strong><\/span><\/section>\n

<\/section>\n
<\/section>\n

\u56fe6. \u7c97\u7c92\u5ea6\u4e0b\u7684\u63cf\u8ff0\u66f4\u52a0\u4e00\u81f4\u3002\uff08a\uff09\u52a0\u5165\u6270\u52a8\u7684\u73af\u5883\uff08<\/sub> \uff09\u8fdb\u884c\u7684\u4e00\u7cfb\u5217\u91cd\u590d\u5b9e\u9a8c\uff1b\uff08b\uff09\u4e0d\u540c\u7c97\u7c92\u5316\u5c3a\u5ea6\u4e0b\u7684\u5e73\u8861\u76f8\u5bf9\u4e30\u5ea6\uff08equlibrium relative abundances\uff09\u60c5\u51b5\uff0c\u4e0d\u540c\u989c\u8272\u4ee3\u8868\u4e0d\u540c\u7684L*\u7c7b\u578b\uff0c\u5bf9L*=30<\/span>\u6765\u8bf4\uff0c\u76f8\u5bf9L*=5<\/span>\u66f4\u7ec6\u81f4\u7684\u7c7b\u578b\u63cf\u8ff0\u7528\u76f8\u8fd1\u800c\u7565\u6709\u5dee\u5f02\u7684\u989c\u8272\u8868\u8fbe\uff1b\uff08c\uff09\u7528\u53d8\u5f02\u7cfb\u6570\uff08coefficient of variation, CV\uff09\u8861\u91cfL*<\/span>\u7c7b\u578b\u4e30\u5ea6\u53d8\u5f02\u60c5\u51b5\u968fL*<\/span>\u7684\u53d8\u5316\u5173\u7cfb\uff0c\u5176\u4e2d\u56fe6b\u6240\u5bf9\u5e94\u7684\u4e24\u4e2aL*<\/span>\u53d6\u503c\u7528\u5782\u76f4\u865a\u7ebf\u6807\u51fa\uff0c\u9634\u5f71\u4e3a\u6807\u51c6\u5dee\u8303\u56f4\u3002<\/span><\/p>\n


<\/section>\n
\u6700\u540e\uff0c\u7814\u7a76\u63d0\u793a\u4e86\u5728\u73af\u5883\u53d8\u5316\u8f83\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u7c97\u7c92\u5316\u65b9\u6848\u4f1a\u5177\u6709\u66f4\u9ad8\u7684\u7c97\u7c92\u5316\u8d28\u91cf<\/span>\uff08\u56fe7\uff09<\/span>\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u73af\u5883\u53d1\u751f\u66f4\u5927\u53d8\u5316\u7684\u65f6\u5019\uff0c\u539f\u5148\u5fae\u4e0d\u8db3\u9053\u7684\u4e00\u4e9b\u83cc\u682a\u7c7b\u578b\u5c31\u4e0d\u518d\u80fd\u591f\u88ab\u7c97\u7c92\u5316\uff0c\u4f1a\u5bf9\u7cfb\u7edf\u6027\u8d28\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002<\/span><\/section>\n

<\/section>\n
<\/section>\n

\u56fe7. \u7c97\u7c92\u5316\u8d28\u91cf\u968f\u73af\u5883\u6ce2\u52a8\u7a0b\u5ea6\u548c\u7c97\u7c92\u5316\u5c3a\u5ea6\u7684\u53d8\u5316\uff0c\u5f53\u73af\u5883\u4e00\u81f4\u65f6\uff0c\u7c97\u7c92\u5316\u65b9\u6848\u66f4\u6709\u6548\u3002<\/span><\/p>\n


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5. \u7edf\u8ba1\u7269\u7406\u4e0e\u7406\u8bba\u751f\u6001\u5b66\u7684\u8fb9\u754c<\/span><\/strong><\/strong><\/p>\n<\/section>\n

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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/h3>\n


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\u81ea Robert M. May \u5728 Nature<\/em> \u53d1\u8868\u9898\u4e3a Will a Large Complex System be Stable?<\/em> \u7684\u6587\u7ae0\uff0c\u5728\u524d\u4eba\u57fa\u7840\u4e0a\u7ee7\u7eed\u9a8c\u8bc1\u590d\u6742\u7cfb\u7edf\u4f1a\u5728\u8d85\u8fc7\u8fde\u901a\u7684\u4e34\u754c\u6c34\u5e73\u65f6\u7a81\u53d8\u4e3a\u4e0d\u7a33\u5b9a\u5f00\u59cb\uff0c\u7ed3\u5408\u7edf\u8ba1\u7269\u7406\u7684\u7406\u8bba\u751f\u6001\u5b66\u5c31\u5728\u5c1d\u8bd5\u7814\u7a76\u5927\u800c\u968f\u673a\u7684\u751f\u6001\u7cfb\u7edf\u3002\u4e0d\u8fc7\u786e\u5b9a\u8fd9\u79cd\u66f4\u5927\u5c3a\u5ea6\u7684\u7279\u5f81\u7684\u65b9\u5f0f<\/span>\uff08\u4f8b\u5982\u672c\u6587\u5b9a\u4e49\u7684\u7c97\u7c92\u5316\u8d28\u91cf\uff09<\/span>\uff0c\u4e5f\u53ef\u80fd\u5bf9\u9884\u6d4b\u4ea7\u751f\u663e\u8457\u7684\u5f71\u54cd\uff0c\u8fd9\u4e5f\u4e3a\u76f8\u5173\u9886\u57df\u540e\u7eed\u7684\u7814\u7a76\u6307\u793a\u4e86\u4e00\u4e2a\u65b9\u5411\u3002<\/span><\/section>\n

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\u56e0\u679c\u6d8c\u73b0\u8bfb\u4e66\u4f1a\u7b2c\u4e8c\u5b63\u62db\u52df\u4e2d<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/section>\n
\u8de8\u5c3a\u5ea6\u3001\u8de8\u5c42\u6b21\u7684\u6d8c\u73b0\u662f\u590d\u6742\u7cfb\u7edf\u7814\u7a76\u7684\u5173\u952e\u95ee\u9898\uff0c\u751f\u547d\u8d77\u6e90\u548c\u610f\u8bc6\u8d77\u6e90\u8fd9\u4e24\u5ea7\u4ef0\u4e4b\u5f25\u9ad8\u7684\u5927\u5c71\u662f\u5176\u4ee3\u8868\u3002\u800c\u56e0\u679c\u6d8c\u73b0\u7406\u8bba\u3001\u673a\u5668\u5b66\u4e60\u91cd\u6574\u5316\u6280\u672f\u3001\u81ea\u6307\u52a8\u529b\u5b66\u7b49\u8fd1\u5e74\u6765\u65b0\u5174\u7684\u7406\u8bba\u4e0e\u5de5\u5177\uff0c\u6709\u671b\u7834\u89e3\u590d\u6742\u7cfb\u7edf\u7684\u6d8c\u73b0\u89c4\u5f8b\u3002\u540c\u65f6\uff0c\u65b0\u5174\u7684\u56e0\u679c\u8868\u793a\u5b66\u4e60\u3001\u91cf\u5b50\u56e0\u679c\u7b49\u9886\u57df\u4e5f\u5c06\u4e3a\u56e0\u679c\u6d8c\u73b0\u7814\u7a76\u6ce8\u5165\u65b0\u9c9c\u8840\u6db2\u3002<\/span><\/section>\n

<\/section>\n
\u7531\u5317\u4eac\u5e08\u8303\u5927\u5b66\u6559\u6388\u3001\u96c6\u667a\u4ff1\u4e50\u90e8\u521b\u59cb\u4eba\u5f20\u6c5f\u548c\u52a0\u5dde\u5927\u5b66\u5723\u5730\u4e9a\u54e5\u5206\u6821\u52a9\u7406\u6559\u6388\u5c24\u4ea6\u5e84\u7b49\u4eba\u53d1\u8d77\u7684\u300c\u56e0\u679c\u6d8c\u73b0\u300d\u7cfb\u5217\u8bfb\u4e66\u4f1a\u7b2c\u4e8c\u5b63<\/a>\uff0c\u5c06\u7ec4\u7ec7\u5bf9\u672c\u8bdd\u9898\u611f\u5174\u8da3\u7684\u670b\u53cb\uff0c\u6df1\u5165\u7814\u8bfb\u76f8\u5173\u6587\u732e\uff0c\u6fc0\u53d1\u79d1\u7814\u7075\u611f\u3002\u672c\u8bfb\u4e66\u4f1a\u81ea2022\u5e745\u670822\u65e5\u5f00\u59cb\uff0c\u6bcf\u5468\u65e5\u665a19:00\u4e3e\u529e\uff0c\u9884\u8ba1\u6301\u7eed7-8\u5468\u3002\u6b22\u8fce\u611f\u5174\u8da3\u7684\u670b\u53cb\u62a5\u540d\u53c2\u4e0e\u3002<\/span><\/section>\n

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<\/p>\n

\u672c\u5b63\u8bfb\u4e66\u4f1a\u8be6\u60c5\u4e0e\u62a5\u540d\u65b9\u5f0f\u8bf7\u53c2\u8003\uff1a<\/span><\/strong><\/p>\n

\u56e0\u679c\u3001\u6d8c\u73b0\u4e0e\u673a\u5668\u5b66\u4e60\uff1a\u56e0\u679c\u6d8c\u73b0\u8bfb\u4e66\u4f1a\u7b2c\u4e8c\u5b63\u542f\u52a8<\/strong><\/a>
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\u63a8\u8350\u9605\u8bfb<\/span><\/strong><\/strong><\/p>\n