Estimating Otter Numbers Using Spraints: Is It Possible?

張仕緯、林明璋、姚正得、許善理（2012）。Notes on Feces and Urine Discharge in a Group of Yellow-Throated Martens。自然保育季刊，(79)，47-50。https://doi.org/10.29738/NCQ.201209.0005
Seignobosc, M., Hemerik, L., & Koelewijn, H. P. (2011). A Demo-Genetic Analysis of a Small Reintroduced Carnivore Population: The Otter (Lutra lutra) in The Netherlands. International Journal of Ecology, 2011(), 119-129. https://doi.org/10.1155/2011/870853
Lin, J. C. (1991). Characteristics of Pressure Centre of Saucer-Shaped Otter Boards. 臺灣水產學會刊, 18(2), 133-143. https://doi.org/10.29822/JFST.199108.0006
Gallant, D., Vasseur, L., & Bérubé, C. H. (2008). Evaluating Bridge Survey Ability to Detect River Otter Lontra canadensis Presence: A Comparative Study. Wildlife Biology, 14(1), 61-69. https://www.airitilibrary.com/Article/Detail?DocID=09096396-200803-201111300001-201111300001-61-69
Lin, J. C., Su, W. C., & Chow, Y. S. (1994). Hydrodynamics Characteristics of Slotted Saucer-Shaped Otter Boards. 臺灣水產學會刊, 21(1), 1-10. https://doi.org/10.29822/JFST.199403.0001