Term encompassing issues of respectful management of natural resources and corresponding ecologies so that they endure. Unsustainable depletion of resources through excessive use or misuse, habitat destruction, climate change, and associated cultural and ecological pressures increasingly concerns instrument makers, consumers, and preservationists, leading them to realign values and practices. Sustainability has become an existential problem for societies that rely on vanishing resources, and for plants and animals that interact in ecosystems, which in turn encompass humans. While cultural aspects of sustainability have been considered in many ethnographic and organological studies, ecological implications require further attention.
Many kinds of instruments have traditionally incorporated materials from now-endangered or threatened species. These animal and plant materials have been exploited for their tonal properties, durability, or other physical characteristics, and for decorative, symbolic, or economic reasons. The efficacy of instruments played in religious or magical rituals, displayed as regalia, or worshipped in their own right can depend on the use of these rare substances, and the value of collectible instruments is enhanced by their presence....