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Does the efficiency of bird watching differ in forest paths from in the forests?
林道と林内でバードウォッチングの効率に違いはあるのか?
2002
Tohoku Shinrin Kagakkaishi
林道と林内でバードウォッチングの効率に違いはあるのか?
the efficiency of bird watching differ in for・ est paths from in the forests ? Tohoku J. For . Sci. 7 :12 − 19, 2002 We examined the efficiency of bird watching on forest paths and 50 meters within the urban forest , This study adopted a plot census method with observation points set on forest paths that are 3 meters wide and farther in the forest itself . and birds that appeared within a 50 − meter observation radius were recorded . In the forest . observation points were set 50 meters away
doi:10.18982/tjfs.7.1_12
fatcat:vfus6rm26zbcfjoysuiy76dy3y