Abstract: Characteristics of vertical structure of tea plantation's ecoboundary layer and its variation with time and weather conditions are discussed in this paper. Twigs and leaves are very closely arranged in a tea canopy. Inversion and positive gradients of vertical distributions of temperature and humidity occur within the canopy owing to the influence of plant physiological activities on a clear day. The maxima of temperature and humidity appear near the leaf layer, where from, they decrease downward and upward. The features of vertical structure vary with time and weather conditions. The crown canopy of tea ecosystem, including concentrated leaves and branchlets and their environments, should be recognized as an ecobody because the interactions between" organisms and their environments within the crown are so strong that they could not be separated from each other and be characterized by a special ecological function. On larger scales, ecobody plays a special role in the exehanges of material, energy and information between canopy and its environment.

Key words: Ecoboundary layer, Temperature, Humidity, Wind speed, Ecobody, gene expression, bioinformatics analysis, Perinereis aibuhitensis, HSP70, heavy metal stress.