CATSKILL — Harmful algae blooms spotted on the Hudson River in early September are gone, and the state is launching a new method of tracking them. Widespread harmful algae blooms [HABs] in the river and its tributaries were identified in the area, mainly in Kingston, as well as sightings along the village of Catskill and Hudson’s waterfronts in September, according to the Riverkeeper organization, which works to protect and restore the Hudson River. While the algae bloom is gone, it is unlikely to reappear in the late summer, unless there are drought conditions and high nutrient ...