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Title: Response of northern harriers and short-eared owls to grassland management in Illinois: Journal: Journal of Wildlife Management; Authors: J. R. Herkert, S. A. Simpson, R. L. Westemeier, T. L. Esker, and J. W. Walk; Date: 1999; Summary: Herkert et al. examined the effects of different grassland management techniques on nesting habitat of northern harriers and short-eared owls in southeastern Illinois. The study was conducted on two separate grassland sanctuaries where three different mowing techniques were used: rotational mowing, an annual activity practiced on 31% of the grassland sanctuaries, mowing for hay, from late June to early July covered less than 9%, and mowing for seed harvest, late July, involved 16% of the study area. Northern harriers selected areas of undisturbed native grassland with plant heights of 55 cm ...; Agrovoc Control Words: Riparian zones, Rangelands, Wildlife; View more details about this article