Complex sentence: Aspen parkland consists of groves of aspen poplars and spruce interspersed with areas of prairie grasslands, also intersected by large stream and river valleys lined with aspen-spruce forests and dense shrubbery.
Split into simpler sentences: Aspen parkland consists of groves of aspen poplars and spruce interspersed with areas of prairie grasslands. This ecoregion is also intersected by large stream and river valleys lined with aspen-spruce forests and dense shrubbery.