关于植物营养生态学

植物营养学与植物生态学发展的前沿交叉正形成了植物营养生态学，植物营养生态学是探讨植物营养利用策略的科学，包括植物体内营养的合理利用策略和植物对无机营养环境的改造以利于营养吸收的各种可能策略。其研究内容主要包括养分利用效率、植物体内营养的再利用、体内营养含量格局和植物对土壤无机营养环境的改造。植物营养生态学以植物种群为研究对象。它的发展对深刻理解种群的生态行为特征具有重要意义，同时对如何增进人工混交群落的营养协调性具有实践上的指导意义。营养生态机理的各个方面是相互协调和相互补充的整体，营养生态机理的效率决定了种群营养合理利用的程度和在营养资源上的竞争力。目前，研究上尚缺少营养策略与其它生态策略的关联性的探讨，随着各种营养策略研究上的深入，这种关联性探讨将成为今后植物营养生态学的主要发展趋势。

On Nutritional Ecology of Plant

Nutritional ecology of plant is being set up arising from the overlapping of plant ecology andscience of plant nutrition. Nutritional ecology of plant is a science studying the strategy of nutrient utilization, including rational utilization of nutrient within plant and medification of inorganic nutrient environment by plant in order to ease taking up of nutrient. The science mainly studies the nutrient uti-lization efficiency, nutrient re - use within plant, pattern of nutrient content of plant and the modification of availability of soil nutrients. Nutritional science of plant deals with the behavior of plant population. It helps understand the population behavior in nutrient and helps construct the stable forest community with regard to the nutrient competition. The success in each of mechanisms of nutritional ecology governs the extent of rational utilization of nutrient and the competition ability of plant population innutrient resource. Coupling the strategy of nutritional ecology with other population strategies is limited, which is the key of the science. This coupling will be a major trend of the science with the development in each of nutritional strategies.