NewsMNRF MONITORING INTENSIFIED SHARE ON: Tim Rout, staff Friday, May. 20th, 2016MNRF fisheries will be monitoring the north’s lakes rivers considerably more this summer. The crews will be surveying fish abundance, water temperature and quality and looking out for invasive species. The MNRF that extra information will be used in the future to determine seasons and size limits for anglers. In total, fishery crews will be surveying 67 lakes in the Northeast this summer.