词条 | niche |
释义 | niche architecture in architecture, decorative recess set into a wall for the purpose of displaying a statue, vase, font, or other object. Niches were used extensively in both interior and exterior walls by the architects of ancient Rome. A fine extant example of such use is found at the Roman Temple of Diana at Nîmes, France. Gothic examples of the decorative recess are ubiquitous, including niches in medieval structures, where they often have canopies or gables over them, such as the English cathedrals at Wells and Peterborough. Later architects, especially those of the Italian Renaissance and the classic revival of 17th- and 18th-century Europe, all made use of the niche. Semicircular niches are often featured, many having shell-like fluting at the apex. ecology in ecology, all of the interactions of a species with the other members of its community, including competition, predation, parasitism, and mutualism. A variety of abiotic factors, such as soil type and climate, also define a species' niche. Each of the various species that constitute a community occupies its own ecological niche. Informally, a niche is considered the “job” or “role” that a species performs within nature. |
随便看 |
|
百科全书收录100133条中英文百科知识,基本涵盖了大多数领域的百科知识,是一部内容开放、自由的电子版百科全书。