If you appraise something or someone, you consider them carefully and form an opinion about them. [formal] This prompted many employers to appraise their selection and recruitment policies. [VERB noun] Gloria slid an appraising eye over the rest of the rack before reaching for the dress.
(a) Natural ecosystem boundaries occur between a tropical evergreen and riparian forest, and between the riparian forest and the river that it borders. (b) Natural boundaries occur across the gradient from marine to intertidal to foreshore environments near the shore in temperate coastal regions.
Answered by The Community. Making the world better, one answer at a time. ecosystems limiting factors include the temperature of the water, sunlight, the amount of nutrients, and dissolved oxygen content, which is the amount of oxygen gas dissolved in a given volume of water at a particular temperature and pressure. The salinity can also be a limiting factor in aquatic ecosystems.