{"id":6795,"date":"2020-11-25T15:21:15","date_gmt":"2020-11-25T06:21:15","guid":{"rendered":"https:\/\/db3.bird-research.jp\/news\/?p=6795"},"modified":"2020-11-30T09:59:27","modified_gmt":"2020-11-30T00:59:27","slug":"202011-no5","status":"publish","type":"post","link":"https:\/\/db3.bird-research.jp\/news\/202011-no5\/","title":{"rendered":"\u7d76\u6ec5\u5371\u60e7\u9ce5\u985e\u30a2\u30ab\u30e2\u30ba\u306f\u3069\u3053\u306b\u4f55\u500b\u4f53\u3044\u308b\u306e\u304b?"},"content":{"rendered":"<p>\u5317\u6d77\u9053\u5927\u5b66\u5927\u5b66\u9662\u751f\u306e\u5317\u6ca2\u3055\u3093\u306a\u3069\u82e5\u624b\u7814\u7a76\u8005\u304c\u81ea\u5206\u305f\u3061\u306e\u91ce\u5916\u8abf\u67fb\u306e\u7d50\u679c\u306b\uff0c\u30d0\u30fc\u30c9\u30ea\u30b5\u30fc\u30c1\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u884c\u306a\u3063\u3066\u3044\u308b\u5168\u56fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u306e\u30c7\u30fc\u30bf\u306a\u3069\u3082\u5408\u308f\u305b\u3066\uff0c\u30a2\u30ab\u30e2\u30ba\u304c\u6fc0\u6e1b\u3057\u3066\u3044\u308b\u73fe\u72b6\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u8ad6\u6587\u304c Bird Conservation International\u8a8c\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\u3002\u5317\u6ca2\u3055\u3093\u306b\u5185\u5bb9\u3092\u7d39\u4ecb\u3057\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<br \/>\r\n<br \/>\r\n<strong>Kitazawa M, Senzaki M, Matsumiya H, Hara S &amp; Mizumura H \uff082020\uff09 Drastic decline in the endemic brown shrike subspecies <em>Lanius cristatus superciliosus<\/em> in Japan. Bird Conservation International \u00a0doi:10.1017\/S0959270920000556<br \/>\r\n<br \/>\r\n<\/strong><\/p>\r\n<h4>\u30a2\u30ab\u30e2\u30ba\u3063\u3066\u3069\u3093\u306a\u9ce5\uff1f<\/h4>\r\n<p>\u300c\u3042\u306e\u9ce5\u306f\u6614\u305f\u304f\u3055\u3093\u3044\u305f\u3093\u3060\u3051\u3069\u306a\u3041\u300d\u3000\u91ce\u9ce5\u89b3\u5bdf\u3092\u3057\u3066\u3044\u308b\u3068\u983b\u7e41\u306b\u8033\u306b\u3059\u308b\u30d5\u30ec\u30fc\u30ba\u3067\u3059\u3002\u79c1\u306e\u7814\u7a76\u5bfe\u8c61\u3067\u3082\u3042\u308b\u300c\u3042\u306e\u9ce5\u300d\u306f\uff0c\u30e2\u30ba\u306e\u4ef2\u9593\u306e\u6e21\u308a\u9ce5\u306e\u30a2\u30ab\u30e2\u30ba\uff08\u56f31\uff09\u3067\u3059\u3002\u30a2\u30ab\u30e2\u30ba\u306f\u6771\u30a2\u30b8\u30a2\u306e\u5e83\u3044\u5730\u57df\u3067\u7e41\u6b96\u3057\u307e\u3059\u304c\uff0c\u305d\u306e\u3046\u3061\u306e\uff11\u4e9c\u7a2e\u306e\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba <em>Lanius cristatus superciliosus <\/em>\u4ee5\u964d\u30a2\u30ab\u30e2\u30ba\uff09\u306f\uff0c\u65e5\u672c\u3068\u305d\u306e\u5468\u8fba\u5730\u57df\uff08\u30b5\u30cf\u30ea\u30f3\u5357\u90e8\u30fb\u5343\u5cf6\u5217\u5cf6\u5357\u90e8\uff09\u3067\u3057\u304b\u7e41\u6b96\u3057\u307e\u305b\u3093\u3002\u56fd\u5185\u3067\u306f\u4e3b\u306b\u672c\u5dde\u3084\u5317\u6d77\u9053\u3067\u7e41\u6b96\u3059\u308b\u3068\u3055\u308c\uff0c\u79c1\u306e\u751f\u307e\u308c\u80b2\u3063\u305f\u65b0\u6f5f\u770c\u5185\u3067\u3082\u3044\u304f\u3064\u304b\u306e\u7e41\u6b96\u5730\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u56f32\u306f\u65b0\u6f5f\u5e02\u30672005\u5e74\u306b\u898b\u304b\u3051\u305f\u770b\u677f\u3067\u3059\u304c\uff0c\u30ab\u30ef\u30e9\u30d2\u30ef\u3084\u30e0\u30af\u30c9\u30ea\u306b\u4e26\u3073\u30a2\u30ab\u30e2\u30ba\uff08\u56f32\u5de6\u4e0a\uff09\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u304b\u3064\u3066\u306f\uff0c\u30e0\u30af\u30c9\u30ea\u3084\u30ab\u30ef\u30e9\u30d2\u30ef\u306e\u3088\u3046\u306b\uff0c\u305f\u304f\u3055\u3093\u306e\u30a2\u30ab\u30e2\u30ba\u304c\u751f\u606f\u3057\u3066\u3044\u305f\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u79c1\u306f\u30a2\u30ab\u30e2\u30ba\u306e\u89b3\u5bdf\u3092\u5922\u898b\u3066\u3053\u306e\u5834\u6240\u306b2005\u5e74\u304b\u30892011\u5e74\u306b\u304b\u3051\u30667\u5e74\u9593\u901a\u3044\u307e\u3057\u305f\u304c\uff0c\u6b8b\u5ff5\u306a\u304c\u3089\u30a2\u30ab\u30e2\u30ba\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u306f\u53f6\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br \/>\r\n<br \/>\r\n<\/p>\r\n\r\n<div id=\"attachment_6797\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/6a58c88246effc15c7194a0832eacb69.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6797\" class=\"size-medium wp-image-6797\" src=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/6a58c88246effc15c7194a0832eacb69-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/6a58c88246effc15c7194a0832eacb69-300x225.jpg 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/6a58c88246effc15c7194a0832eacb69.jpg 661w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-6797\" class=\"wp-caption-text\">\u56f32\u3000\u65b0\u6f5f\u5e02\u897f\u6d77\u5cb8\u516c\u5712\u306b\u63b2\u3052\u3089\u308c\u3066\u3044\u305f\u770b\u677f\u3002\u3044\u3061\u3070\u3093\u5de6\u4e0a\u306b\u30a2\u30ab\u30e2\u30ba\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e0\u30af\u30c9\u30ea\u3084\u30ab\u30ef\u30e9\u30d2\u30ef\uff0c\u30b7\u30b8\u30e5\u30a6\u30ab\u30e9\u3068\u4e26\u3093\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304b\u3089\uff0c\u770b\u677f\u304c\u4f5c\u6210\u3055\u308c\u305f\u5f53\u6642\uff082005\u5e74\u3088\u308a\u305a\u3063\u3068\u6614\uff09\u306b\u306f\u30a2\u30ab\u30e2\u30ba\u304c\u8c4a\u5bcc\u306b\u751f\u606f\u3057\u3066\u3044\u305f\u3068\u63a8\u6e2c\u3055\u308c\u307e\u3059\u3002<\/p><\/div> <div id=\"attachment_6798\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/ca1b7a3585c458105079227ac288598a.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6798\" class=\"wp-image-6798 size-medium\" src=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/ca1b7a3585c458105079227ac288598a-300x254.jpg\" alt=\"\" width=\"300\" height=\"254\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/ca1b7a3585c458105079227ac288598a-300x254.jpg 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/ca1b7a3585c458105079227ac288598a.jpg 717w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-6798\" class=\"wp-caption-text\">\u56f31\u3000\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u30022015\u5e74\u306b\u5317\u6d77\u9053\u3067\u89b3\u5bdf\u3055\u308c\u305f\u500b\u4f53\u3002\u3053\u306e\u5730\u70b9\u3067\u306f\uff0c\u5f53\u66423\u3064\u304c\u30447\u500b\u4f53\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\uff0c2018\u5e74\u304a\u3088\u30732019\u5e74\u306b\u306f\u7e41\u6b96\u304c\u78ba\u8a8d\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p><\/div>\r\n\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>\u3000\u305d\u308c\u3082\u305d\u306e\u306f\u305a\uff0c\u30a2\u30ab\u30e2\u30ba\u306f1990\u5e74\u4ee3\u307e\u3067\u306b\u65e5\u672c\u5404\u5730\u3067\u5206\u5e03\u57df\u304c\u5927\u5e45\u306b\u7e2e\u5c0f\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u30021970\u5e74\u4ee3\u306b\u5b9f\u65bd\u3055\u308c\u305f\u7b2c1\u56de\u76ee\u306e\u5168\u56fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u3067\u306f\uff0c\u672c\u7a2e\u306f\u672c\u5dde\u5357\u90e8\u304b\u3089\u5317\u6d77\u9053\u5317\u90e8\u306b\u304b\u3051\u3066\u306e99\u30e1\u30c3\u30b7\u30e5\u3067\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u30571990\u5e74\u4ee3\u306e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u6642\u306b\u8a18\u9332\u30e1\u30c3\u30b7\u30e5\u6570\u306f21\u306b\u307e\u3067\u6e1b\u5c11\u3057\uff0c\u3053\u306e\u671f\u9593\u306b\u5206\u5e03\u57df\u304c\u7d0480%\u3082\u7e2e\u5c0f\u3057\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u5206\u5e03\u57df\u3060\u3051\u3067\u306f\u306a\u304f\uff0c\u500b\u4f53\u6570\u306e\u6e1b\u5c11\u3082\u3053\u306e\u9803\u304b\u3089\u5831\u544a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff08\u4f8b, \u9577\u91ce\u770c\u91ce\u8fba\u5c71: Imanishi 2002; \u5317\u6d77\u9053\u77f3\u72e9\u5730\u65b9: Takagi 2003; \u5317\u6d77\u9053\u30a6\u30c8\u30ca\u30a4\u6e56: Tamada et al. 2017\uff09\u3002\u3053\u306e\u3088\u3046\u306a\u77e5\u898b\u306e\u7a4d\u307f\u91cd\u306d\u306b\u3088\u308a\uff0c\u30a2\u30ab\u30e2\u30ba\u306f1998\u5e74\u306b\u74b0\u5883\u7701\u30ec\u30c3\u30c9\u30ea\u30b9\u30c8\u3067\u6e96\u7d76\u6ec5\u5371\u60e7\u306b\u9078\u5b9a\u3055\u308c\uff0c\u73fe\u5728\u3067\u306f\uff0c\u3088\u308a\u7d76\u6ec5\u306e\u5371\u967a\u6027\u306e\u9ad8\u3044\u7d76\u6ec5\u5371\u60e7IB\u985e\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\r\n<br \/>\r\n<\/p>\r\n<h4>\u65e5\u672c\u5168\u56fd\u3067\u306e\u500b\u4f53\u6570\u8abf\u67fb<\/h4>\r\n\r\n<div id=\"attachment_6800\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6800\" class=\"size-medium wp-image-6800\" src=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5-300x212.jpg\" alt=\"\" width=\"300\" height=\"212\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5-300x212.jpg 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5-1024x724.jpg 1024w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5-768x543.jpg 768w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2020\/11\/879af035efc60f470cf0b089b119fcc5.jpg 1299w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-6800\" class=\"wp-caption-text\">\u56f33\u30001910\uff5e2000\u5e74\u4ee3\u306b\u304a\u3051\u308b\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306e\u7e41\u6b96\u5206\u5e03\u57df\uff08a\uff09\u3068\uff0c2010\u5e74\u4ee3\u306b\u304a\u3051\u308b\u7e41\u6b96\u5206\u5e03\u57df\uff08b\uff09\u3002\u904e\u53bb\u306e\u5206\u5e03\u57df\u306f\uff0c86\u4ef6\u306e\u65e2\u5f80\u7814\u7a76\u30684\u4ef6\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u63a8\u5b9a\u3057\u307e\u3057\u305f\u3002\u73fe\u5728\u306e\u5206\u5e03\u57df\u306f\u5168\u56fd\u898f\u6a21\u306e\u91ce\u5916\u8abf\u67fb\u304b\u3089\u7b97\u51fa\u3057\u307e\u3057\u305f\u3002a\u306e\u9ed2\u304f\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u5730\u70b9\u3067\u672c\u4e9c\u7a2e\u306e\u7e41\u6b96\u3042\u308b\u3044\u306f\u7e41\u6b96\u884c\u52d5\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002b\u306e\u6955\u5186\u3067\u56f2\u307e\u308c\u305f\u5730\u57df\u306b\u3066\uff0c\u7e41\u6b96\u3042\u308b\u3044\u306f\u7e41\u6b96\u884c\u52d5\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\uff08\u8a73\u7d30\u306a\u5730\u70b9\u60c5\u5831\u306f\u672c\u4e9c\u7a2e\u4fdd\u5168\u4e0a\u306e\u89b3\u70b9\u304b\u3089\u975e\u516c\u958b\uff09\u3002<\/p><\/div>\r\n\r\n<p>\u3000\u30a2\u30ab\u30e2\u30ba\u306e\u5287\u7684\u306a\u6e1b\u5c11\u304c\u5831\u544a\u3055\u308c\u3066\u304b\u3089\uff0c\u65e2\u306b20\u5e74\u8fd1\u304f\u304c\u7d4c\u904e\u3057\u307e\u3059\u304c\uff0c\u6b8b\u5ff5\u306a\u304c\u3089\u300c\u7e41\u6b96\u5730\u306f\u3069\u3053\u3067\uff0c\u3069\u306e\u304f\u3089\u3044\u306e\u500b\u4f53\u6570\u304c\u3044\u308b\u306e\u304b\uff1f\u300d\u3068\u3044\u3063\u305f\u57fa\u672c\u7684\u306a\u60c5\u5831\u3055\u3048\uff0c\u73fe\u5728\u3082\u308f\u304b\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u60c5\u5831\u306f\uff0c\u7d76\u6ec5\u306e\u5371\u967a\u6027\u3092\u8a55\u4fa1\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u30a2\u30ab\u30e2\u30ba\u3092\u53d6\u308a\u5dfb\u304f\u72b6\u6cc1\u306f\u7b2c2\u56de\u76ee\u306e\u5168\u56fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u6642\u3088\u308a\u3082\u66f4\u306b\u60aa\u5316\u3057\uff0c\u7d76\u6ec5\u5bf8\u524d\u306a\u72b6\u6cc1\u306b\u3042\u308b\u53ef\u80fd\u6027\u3082\u5426\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\r\n\u3000\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u306b\u5371\u6a5f\u611f\u3092\u899a\u3048\u305f\u79c1\u306f\uff0c\u540c\u3058\u3088\u3046\u306b\u5371\u6a5f\u611f\u3092\u62b1\u3044\u3066\u5168\u56fd\u5404\u5730\u3067\u30a2\u30ab\u30e2\u30ba\u306e\u8abf\u67fb\u3092\u9032\u3081\u3066\u3044\u305f\u5148\u8f29\u3084\u540c\u671f\u305f\u3061\u3068\u5354\u50cd\u3057\u3066\uff0c\u65e5\u672c\u5168\u56fd16\u5730\u57df\u3067\u30a2\u30ab\u30e2\u30ba\u306e\u500b\u4f53\u6570\u3092\u6570\u3048\u308b\u8abf\u67fb\u3092\u884c\u3044\u307e\u3057\u305f\u30022010\u5e74\u304b\u30892019\u5e74\u306b\u304b\u3051\u3066\uff0c\u3053\u308c\u3089\u306e\u5730\u57df\u3092\u304f\u307e\u306a\u304f\u63a2\u3057\uff0c\u500b\u4f53\u6570\u306e\u8a18\u9332\u3068\u672a\u77e5\u306e\u500b\u4f53\u7fa4\u306e\u767a\u898b\u306b\u52aa\u3081\u307e\u3057\u305f\u3002\u307e\u305f\uff0c\u904e\u53bb\u306e\u672c\u4e9c\u7a2e\u306e\u7e41\u6b96\u5206\u5e03\u57df\u3092\u5730\u56f3\u5316\u3059\u308b\u305f\u3081\u306b\uff0c86\u4ef6\u306e\u65e2\u5f80\u7814\u7a76\u30684\u4ef6\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08\u5168\u56fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u30fb\u6cb3\u5ddd\u6c34\u8fba\u306e\u56fd\u52e2\u8abf\u67fb\u6cb3\u5ddd\u74b0\u5883\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u6771\u4eac\u90fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u30fb\u5c71\u968e\u9ce5\u985e\u7814\u7a76\u6240\u6a19\u672c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff09\u3092\u8abf\u3079\u307e\u3057\u305f\u3002\u305d\u3057\u3066\uff0c\u91ce\u5916\u8abf\u67fb\u3067\u660e\u3089\u304b\u306b\u306a\u3063\u305f\u73fe\u5728\u306e\u672c\u4e9c\u7a2e\u306e\u7e41\u6b96\u5206\u5e03\u57df\u306e\u5730\u56f3\u3068\uff0c\u63a8\u5b9a\u3055\u308c\u305f\u904e\u53bb\u306e\u7e41\u6b96\u5206\u5e03\u57df\u306e\u5730\u56f3\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\uff0c\u7e41\u6b96\u5206\u5e03\u57df\u306e\u7e2e\u5c0f\u306e\u5ea6\u5408\u3044\u3092\u5b9a\u91cf\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\r\n<p>\u3000\u305d\u306e\u7d50\u679c\uff0c\u56fd\u5185\u306b\u304a\u3051<span style=\"color: #000000;\">\u308b2019\u5e74\u73fe\u5728\u306e\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306e\u7e41\u6b96\u3064\u304c\u3044\u6570\u306f149\u3064\u304c\u3044\uff0c\u6210\u9ce5\u306e\u7dcf\u500b\u4f53\u6570\u306f332\u500b\u4f53\u3068\u63a8\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u56fd\u5185\u306b\u304a\u3051\u308b\u672c\u4e9c\u7a2e\u306e\u7e41\u6b96\u5206\u5e03\u57df\u306f\u5317\u6d77\u9053\u3068\u672c\u5dde\u306e\u4e00\u90e8\u5730<\/span>\u57df\u306b\u9650\u3089\u308c\uff0c\u904e\u53bb100\u5e74\u9593\u306790.9%\u7e2e\u5c0f\u3057\u305f\u3068\u63a8\u5b9a\u3055\u308c\u307e\u3057\u305f\uff08\u56f33\uff09\u3002\u66f4\u306b\u8907\u6570\u5e74\u306e\u500b\u4f53\u6570\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u305f7\u5730\u57df\u306e\u3046\u3061\uff0c\u8abf\u67fb\u671f\u9593\uff082010\uff5e2019\uff09\u5185\u3067\u306f\uff0c\u672c\u5dde\u4e2d\u90e8\u306e2\u5730\u57df\u3067\u306f\u500b\u4f53\u6570\u306f\u5b89\u5b9a\u3057\u3066\u3044\u305f\u3082\u306e\u306e\uff0c\u5317\u6d77\u9053\u3067\u306f2\u5730\u57df\u3067\u500b\u4f53\u7fa4\u304c\u6d88\u6ec5\u3057\uff0c1\u5730\u57df\u3067\u500b\u4f53\u6570\u304c\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u672c\u4e9c\u7a2e\u306e\u56fd\u5185\u306b\u304a\u3051\u308b\u500b\u4f53\u6570\u306e\u5c11\u306a\u3055\u306f\uff0c\u56fd\u969b\u81ea\u7136\u4fdd\u8b77\u9023\u5408\uff08IUCN\uff09\u304c\u5b9a\u7fa9\u3059\u308b\u30ec\u30c3\u30c9\u30ea\u30b9\u30c8\u30ab\u30c6\u30b4\u30ea\u30fc\u306e\u3046\u3061\uff0c\u30b7\u30de\u30d5\u30af\u30ed\u30a6\u3084\u30e4\u30f3\u30d0\u30eb\u30af\u30a4\u30ca\u304c\u542b\u307e\u308c\u308b\u300c\u7d76\u6ec5\u306e\u5371\u6a5f\u306b\u7015\u3057\u3066\u3044\u308b\u7a2e\uff08EN\uff09\u300d\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3057\uff0c\u30d8\u30e9\u30b7\u30ae\u3084\u30ce\u30b0\u30c1\u30b2\u30e9\u304c\u542b\u307e\u308c\u308b\u300c\u6df1\u523b\u306a\u7d76\u6ec5\u306e\u5371\u6a5f\u306b\u3042\u308b\u7a2e\uff08CR\uff09\u300d\u306e\u57fa\u6e96\u306b\u3082\u8feb\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\r\n<br \/>\r\n<\/p>\r\n<h4>\u4eca\u5f8c\u306e\u8ab2\u984c\uff1a\u30a2\u30ab\u30e2\u30ba\u306e\u4fdd\u5168\u306b\u5411\u3051\u3066<\/h4>\r\n<p>\u3000\u672c\u7814\u7a76\u306b\u3088\u308a\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306e\u65e5\u672c\u5168\u56fd\u898f\u6a21\u306e\u500b\u4f53\u6570\u3068\uff0c\u7e41\u6b96\u5206\u5e03\u57df\uff0c\u7e41\u6b96\u5206\u5e03\u57df\u306e\u73fe\u5728\u307e\u3067\u306e\u7e2e\u5c0f\u5ea6\u5408\u3044\u304c\u521d\u3081\u3066\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4e16\u754c\u3067\u3082\u65e5\u672c\u5468\u8fba\u3067\u3057\u304b\u7e41\u6b96\u3057\u306a\u3044\uff0c\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306e\u5b58\u7d9a\u304c\u975e\u5e38\u306b\u5371\u3076\u307e\u308c\u308b\u72b6\u614b\u3067\u3059\u3002\u79c1\u305f\u3061\u306e\u7814\u7a76\u306b\u3088\u308a\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306e\u5371\u6a5f\u7684\u72b6\u6cc1\u3092\u5b9a\u91cf\u7684\u306b\u8a55\u4fa1\u3067\u304d\uff0c\u672c\u4e9c\u7a2e\u306e\u4fdd\u5168\u306e\u91cd\u8981\u6027\u3092\u6839\u62e0\u306b\u57fa\u3065\u3044\u3066\u8a34\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u672c\u4e9c\u7a2e\u306e\u7d76\u6ec5\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u306f\uff0c\u307e\u305a\u306f\u73fe\u5728\u6b8b\u3063\u3066\u3044\u308b\u6570\u5c11\u306a\u3044\u7e41\u6b96\u5730\u3092\u4fdd\u5168\u3059\u308b\u3053\u3068\uff0c\u30a2\u30ab\u30e2\u30ba\u305f\u3061\u304c\u843d\u3061\u7740\u3044\u3066\u7e41\u6b96\u3067\u304d\u308b\u3088\u3046\u306a\u74b0\u5883\u3065\u304f\u308a\u304c\u91cd\u8981\u3067\u3042\u308b\u3068\u8003\u3048\u307e\u3059\u3002\u7e41\u6b96\u5730\u306b\u306f\uff0c\u884c\u653f\u6a5f\u95a2\u304c\u7ba1\u7406\u3059\u308b\u571f\u5730\u3082\u542b\u307e\u308c\u308b\u305f\u3081\uff0c\u305d\u306e\u3088\u3046\u306a\u5834\u6240\u3067\u306f\u4eca\u56de\u306e\u6210\u679c\u306b\u57fa\u3065\u304d\uff0c\u4fdd\u5168\u3078\u306e\u914d\u616e\u306e\u304a\u9858\u3044\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\uff0c\u7e41\u6b96\u5730\u3084\u305d\u306e\u5468\u8fba\u306b\u306f\u7acb\u3061\u5165\u3089\u306a\u3044\u306a\u3069\uff0c\u79c1\u305f\u3061\u89b3\u5bdf\u8005\u30fb\u64ae\u5f71\u8005\u306e\u914d\u616e\u3082\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<br \/>\r\n\u3000\u672c\u4e9c\u7a2e\u306e\u6e1b\u5c11\u8981\u56e0\u306b\u3064\u3044\u3066\u306f\u8a73\u3057\u304f\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u30021970\u5e74\u4ee3\u9803\u307e\u3067\u306f\uff0c\u56fd\u5185\u306b\u306f\u85aa\u70ad\u6797\u306e\u3088\u3046\u306a\u6a39\u9f62\u306e\u82e5\u3044\u68ee\u6797\u304c\u8c4a\u5bcc\u306b\u5b58\u5728\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u306f\u758e\u6797\u3092\u9078\u597d\u3059\u308b\u30a2\u30ab\u30e2\u30ba\u306b\u3068\u3063\u3066\uff0c\u597d\u9069\u306a\u751f\u606f\u5730\u3060\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\uff0c\u30a2\u30ab\u30e2\u30ba\u306e\u751f\u606f\u5730\u306e\u6e1b\u5c11\u306b\u306f\uff0c\u6a39\u9f62\u306e\u82e5\u3044\u68ee\u6797\u306e\u6e1b\u5c11\u304c\u5f71\u97ff\u3057\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff08Yamaura et al. 2009\uff09\u3002\u307e\u305f\u4e9c\u7a2e\u30a2\u30ab\u30e2\u30ba\u306f\u6771\u5357\u30a2\u30b8\u30a2\u3067\u8d8a\u51ac\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\uff0c\u6e1b\u5c11\u306e\u539f\u56e0\u306f\u6e21\u308a\u30eb\u30fc\u30c8\u4e0a\u3084\u8d8a\u51ac\u5730\u306b\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u6e21\u308a\u30eb\u30fc\u30c8\u3084\u8d8a\u51ac\u5730\u3092\u89e3\u660e\u3059\u308b\u3053\u3068\u306f\uff0c\u672c\u7a2e\u306e\u5371\u6a5f\u7684\u6e1b\u5c11\u3092\u3082\u305f\u3089\u3057\u3066\u304d\u305f\u8981\u56e0\u306e\u7279\u5b9a\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\r\n<br \/>\r\n<\/p>\r\n<h4>\u30a2\u30ab\u30e2\u30ba\u89b3\u5bdf\u6642\u306e\u304a\u9858\u3044<\/h4>\r\n<p>\u3000\u30a2\u30ab\u30e2\u30ba\u306e\u4fdd\u5168\u3092\u9032\u3081\u308b\u4e0a\u3067\uff0c\u6700\u4f4e\u9650\u306e\u30c7\u30fc\u30bf\u3092\u63c3\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u305d\u3053\u3067\uff0c\u79c1\u305f\u3061\u306f\u81ea\u5206\u305f\u3061\u304c\u3067\u304d\u308b\u7bc4\u56f2\u3067\u30a2\u30ab\u30e2\u30ba\u4fdd\u5168\u306e\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u6d3b\u52d5\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3059\u3002\u305f\u3060\uff0c\u30a2\u30ab\u30e2\u30ba\u306e\u4fdd\u5168\u306e\u305f\u3081\u306b\u306f\uff0c\u307f\u306a\u3055\u307e\u89b3\u5bdf\u8005\u3084\u64ae\u5f71\u8005\u306e\u3054\u5354\u529b\u3082\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u3082\u3057\u30a2\u30ab\u30e2\u30ba\u3092\u767a\u898b\u3057\u305f\u5834\u5408\uff0c\u5341\u5206\u306b\u8ddd\u96e2\u3092\u3068\u3063\u3066\u9060\u304f\u304b\u3089\u89b3\u5bdf\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u8ddd\u96e2\u611f\u306e\u76ee\u5b89\u3068\u3057\u3066\uff0c\u30a2\u30ab\u30e2\u30ba\u306e\u58f0\u3084\u52d5\u304d\u306b\u7740\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u30ae\u30a3\u30ae\u30a3\u30ae\u30a3\u30fb\u30fb\u30fb\u300d\u300c\u30ae\u30c1\u30ae\u30c1\u30ae\u30c1\u30fb\u30fb\u30fb\u300d\u3068\u3044\u3063\u305f\u58f0\u304c\u805e\u3053\u3048\u305f\u3089\uff0c\u5373\u5ea7\u306b\u305d\u306e\u5834\u304b\u3089\u96e2\u308c\u3066\u304f\u3060\u3055\u3044\u3002\u30a2\u30ab\u30e2\u30ba\u304c\u3068\u3093\u3067\u3082\u306a\u3044\u6050\u6016\u3092\u611f\u3058\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u3044\u3044\u3067\u3057\u3087\u3046\u3002\u307e\u305f\u990c\u3092\u3082\u3063\u305f\u307e\u307e\u540c\u3058\u3088\u3046\u306a\u5834\u6240\u3092\u3046\u308d\u3046\u308d\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u305d\u306e\u5834\u304b\u3089\u96e2\u308c\u3066\u304f\u3060\u3055\u3044\u3002\u96db\u306b\u990c\u3092\u4e0e\u3048\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\uff0c\u4eba\u9593\u3092\u8b66\u6212\u3057\u3066\u5de3\u306b\u8fd1\u5bc4\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u66f4\u306b\uff0c\u8fb2\u5730\u3084\u8349\u539f\u306e\u4e2d\u306b\u5165\u3063\u3066\u89b3\u5bdf\u3059\u308b\u306e\u3082\u63a7\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30d2\u30c8\u304c\u8349\u539f\u306b\u5165\u3063\u3066\u8e0f\u307f\u8de1\u304c\u3067\u304d\u308b\u3053\u3068\u306b\u3088\u308a\uff0c\u30ad\u30c4\u30cd\u306a\u3069\u306e\u6355\u98df\u8005\u304c\u30a2\u30ab\u30e2\u30ba\u306e\u5de3\u3092\u767a\u898b\u30fb\u6355\u98df\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u9053\u8def\u3084\u904a\u6b69\u9053\u304b\u3089\u5916\u308c\u306a\u3044\u3067\u89b3\u5bdf\u30fb\u64ae\u5f71\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30a2\u30ab\u30e2\u30ba\u3068\u306e\u8ddd\u96e2\u611f\u3084\u3064\u304d\u3042\u3044\u65b9\u3092\u9593\u9055\u3063\u3066\u3057\u307e\u3046\u3068\uff0c\u305d\u306e\u5834\u6240\u3067\u30a2\u30ab\u30e2\u30ba\u3092\u89b3\u5bdf\u3084\u64ae\u5f71\u3059\u308b\u6a5f\u4f1a\u304c\u672a\u6765\u6c38\u52ab\u306b\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u5fc3\u306b\u7559\u3081\u3066\u304a\u3044\u3066\u6234\u3051\u305f\u3089\u5e78\u3044\u3067\u3059\u3002\u307e\u305f\uff0c\u5730\u5143\u306e\u65b9\u306e\u4e2d\u306b\u306f\u30a2\u30ab\u30e2\u30ba\u3068\u306e\u8ddd\u96e2\u611f\u306b\u3064\u3044\u3066\u8a73\u3057\u3044\u65b9\u304c\u3044\u308b\u306e\u3067\uff0c\u305c\u3072\u5730\u5143\u306e\u65b9\u306e\u6ce8\u610f\u306b\u306f\u8033\u3092\u50be\u3051\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\r\n<br \/>\r\n<strong>\u5f15\u7528\u6587\u732e<br \/>\r\n<\/strong>Imanishi S \uff082002\uff09 The drastic decline of breeding population on Brown Shrike <em>Lanius<\/em> <em>cristatus superciliosus<\/em> at Nobeyama Plateau in central Japan. J Yamashina Inst Ornithol 34: 228-231.<br \/>\r\nTakagi M \uff082003\uff09 Philopatry and habitat selection in Bull-headed and Brown shrikes. J Field Ornithol 74: 45-52.<br \/>\r\nTamada K, Hayama S, Umeki M, Takada M &amp; Tomizawa M \uff082017\uff09 Drastic declines in Brown Shrike and Yellow-breasted Bunting at the Lake Utonai Bird Sanctuary, Hokkaido. Ornithol Sci 16: 51-57.<br \/>\r\nYamaura Y, Amano T, Koizumi T, Mitsuda Y, Taki H &amp; Okabe K \uff082009\uff09 Does land-use change affect biodiversity dynamics at a macroecological scale? A case study of birds over the past 20 years in Japan. Anim Conserv 12: 110-119.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5317\u6d77\u9053\u5927\u5b66\u5927\u5b66\u9662\u751f\u306e\u5317\u6ca2\u3055\u3093\u306a\u3069\u82e5\u624b\u7814\u7a76\u8005\u304c\u81ea\u5206\u305f\u3061\u306e\u91ce\u5916\u8abf\u67fb\u306e\u7d50\u679c\u306b\uff0c\u30d0\u30fc\u30c9\u30ea\u30b5\u30fc\u30c1\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u884c\u306a\u3063\u3066\u3044\u308b\u5168\u56fd\u9ce5\u985e\u7e41\u6b96\u5206\u5e03\u8abf\u67fb\u306e\u30c7\u30fc\u30bf\u306a\u3069\u3082\u5408\u308f\u305b\u3066\uff0c\u30a2\u30ab\u30e2\u30ba\u304c\u6fc0\u6e1b\u3057\u3066\u3044\u308b\u73fe\u72b6\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u8ad6\u6587\u304c Bir&hellip; <a href=\"https:\/\/db3.bird-research.jp\/news\/202011-no5\/\" class=\"more\">\u7d9a\u304d\u3092\u8aad\u3080 <i class=\"fa fa-caret-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":6798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[39],"tags":[257,181,70,24],"class_list":["post-6795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","tag-257","tag-181","tag-70","tag-24"],"acf":[],"_links":{"self":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/6795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/comments?post=6795"}],"version-history":[{"count":8,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/6795\/revisions"}],"predecessor-version":[{"id":6826,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/6795\/revisions\/6826"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/media\/6798"}],"wp:attachment":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/media?parent=6795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/categories?post=6795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/tags?post=6795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}