![]() ![]() Partly for these reasons, published sources vary widely in the breadth of climbing methods described and in their adherence to best safety practices. Further, as climbing equipment and methods continue to change, so do best practices for climbing safety. Over this same time period, canopy access methods have continued to progress with advances in technology and the development of new climbing equipment. Since Perry ( 1978) first published on methods of access into forest canopies, the very science of canopy ecology has evolved at a dramatic pace, and published sources of information on canopy access have grown from one to dozens. The published literature is an important source of information on climbing methods for canopy ecologists. ![]() Rope-based methods provide unbiased and replicated sampling of canopy organisms including epiphytes (Nadkarni 1981 Sillett 1995), birds (Anderson 2009), reptiles (Dial & Roughgarden 1995), rodents (Swingle & Forsman 2009) and tree growth and structure (Sillett & Van Pelt 2007), but climbing and working at height are inherently dangerous, and accidents can result in serious injury or death (Centers for Disease Control & Prevention 2014). The canopy is an essential component in the functioning of forest ecosystems and a major source of biodiversity, yet has remained understudied due to the difficulty of access or observation into upper reaches of the forest (Lowman & Rinker 2004). ![]()
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