Climate is a long-term model of weather in specific location or place. Thus, aspects of climate that are most important to forest ecosystem is the temperature and precipitation. Because. 1. Temperature determines the adaptable and environmental influences such as the sunlight, the biotic community and especially the photosynthetic mechanisms of plants which is responsible for making its own food. 2. Precipitation. Water is vital in many aspects of plants since it is one of the materials needed for plant’s food-making process.