Abstract: “Field observations of 400 totally unmanaged feral horses on Sable Island, Nova Scotia, were complemented by oestrogen determinations in fecal samples from 154 identified
Note (ZL): This is one of the series of OWL True Adventure Books for young readers published by Greey de Pencier in the 1980s. Others
Abstract: “The most extensive set of free tropospheric ozone measurements ever compiled across midlatitude North America was measured with daily ozonesondes, commercial aircraft and a
Cooper, OR, et al. 2007. Evidence for a recurring eastern North America upper tropospheric ozone maximum during summer. J Geophysical Research, 112, D23304, doi:10.1029/2007JD008710. Note: