A stand level modelling is kind of like playing with toy trees. Imagine you have a toy forest with many trees in it. Each of these trees is a little bit different - some are taller, some have more leaves, and some are thicker.
Now, let's say you want to figure out how these trees will grow over time. This is where stand level modelling comes in. You can use a computer program to create a virtual forest and simulate how the trees will grow over time.
To do this, the computer will take into account things like the size and age of the trees, how much sunlight and water they get, and how they compete with each other for resources. Based on all of these factors, the computer can make predictions about how the trees will grow and how the forest will change over time.
Stand level modelling is important because it helps forest managers make decisions about how to manage the forest. For example, they can use the model to figure out the best time to harvest certain trees, or to determine which areas of the forest need more attention.
So, in short, stand level modelling is like playing with toy trees to see how a real forest might grow and change over time. It can help people make important decisions about how to take care of the forest.