Strip survey method - Strip survey method

Japanese: 帯状調査域法 - おびじょうちょうさいきほう
Strip survey method - Strip survey method

...The total number is estimated by expanding the area if necessary. There are two methods for taking samples: direct observation at the site, such as frame sampling (a fixed area is selected and all individuals within the area are counted), line or strip surveys (a fixed line or a strip with a certain width is counted), and methods for collecting organisms in some way and estimating. The former includes surveys of large mammals by airplane (census) and photographic surveys of the deep sea floor, as well as visual counts of whales from boats and counts of salmon and trout migrating upriver or downriver through fishways.

*Some of the terminology used in relation to the "strip survey area method" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…必要に応じてこれを引きのばして総数の推定を行う。標本の取り方としては枠取り法(一定面積を決め,その中の全数を計数する),線あるいは帯状調査域法(一定の線上,あるいはそれに幅をもたせた帯状域内の個体数を計数する)といった現地での直接観察と,なんらかの方法で生物を採集して推定する方法とがある。前者には飛行機による大型哺乳類の調査(センサス)や深海底の写真による調査なども含まれるし,クジラ類の船からの目視計数,遡上(そじよう)あるいは降海するサケ・マス類を魚道で計数することなどもこのカテゴリーである。…

※「帯状調査域法」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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