{"thcode":61,"term":{"code":282,"name":"fragile ecosystems","parent":269,"scope":"used for ecosystems that are sensitive to environmental changes."},"uf":[],"bt":[{"code":269,"name":"environment","parent":268,"scope":"used for issues related to the interactions of humans or other organisms with their physical and biological surroundings."},{"code":268,"name":"hot topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[{"code":283,"name":"coral reefs","parent":282,"scope":"aquatic biogenic structures supporting a complex community of organisms with distinct roles in relation to the whole: framework builders (corals), along with binders, bafflers, dwellers, and destroyers."},{"code":284,"name":"polar ecosystems","parent":282,"scope":"used for high-latitude ecosystems threatened by warming and pollution."},{"code":285,"name":"seagrass beds","parent":282,"scope":"submerged flowering plants in marine and estuarine waters that support complex communities but are sensitive to changes in hydrology, sedimentation, water quality, and human activity."},{"code":286,"name":"seep and vent ecosystems","parent":282,"scope":"used for chemosynthetic ecosystems that develop around water seeps and hydrothermal vents, often in the deep sea."},{"code":287,"name":"wetlands","parent":282,"scope":"seasonally or permanently saturated terrestrial areas including swamps, marshes, and bogs, which support complex communities but are sensitive to changes in hydrology, sedimentation, water quality, and human activity."}],"rt":[{"code":657,"name":"ecology","parent":651,"scope":"the study of the interactions of organisms with each other and their environment."}]}