Despite this, the relative accuracy of longer or shorter intervals related to transect length has not been tested for PIT. Longer intervals are commonly associated with longer transects, yet sampling interval length can significantly influence benthic coverage calculations. Therefore, PIT is also popular in citizen science activities such as Reef Check programs. It is a simple method that is efficiently performed underwater, as benthic components are recorded only as presence or absence at specific interval points along transects. The Point Intercept Transect (PIT) method has commonly been used in recent decades for estimating the status of coral reef benthic communities. 6Department of Life Science, Tunghai University, Taichung, Taiwan.5Department of Life Science, National Taiwan Normal University, Taipei, Taiwan.4Penghu Marine Biology Research Center, Fisheries Research Institute, Council of Agriculture, Makung, Taiwan.3Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.2College of Science and Engineering, James Cook University, Townsville, QLD, Australia.1Biodiversity Research Center, Academia Sinica, Taipei, Taiwan.Chao-Yang Kuo 1, Cheng-Han Tsai 2, Ya-Yi Huang 1, Wei Khang Heng 1, An-Tzi Hsiao 3, Hernyi Justin Hsieh 4 and Chaolun Allen Chen 1,5,6*
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