why is water depth an important factor in bird counts why is water depth a continuous variable? how does the depth of the water vary why is water depth important for bird count why glm is useful for bird data how to use depth data why do bird counts vary which variable is the most often used for generating a range of bird count? glm model for bird count are water depths a discrete variable? why is the data on soil depth of the land overdispersed why is depth an important function of the landscape what glm data is used to find bird population how does the glm model work are wetlands and depths considered continuous what is the glm why is depth variable variable what is a glm model how to glm why is depth a variable