Winter 2013 by Amidea Daniel and Allan Schreffler Good Fishing Needs Good Habitat Good habitat provides good fishing. When water, food and shelter are present in proper amounts, fish populations provide good fishing. When one or more of these things are not available in proper amounts, populations are limited. Biologists call Before Habitat Improvement these things limiting factors. Limiting factors may keep certain fish species out of a habitat. • shelf: a pro jecting layer of rock on land • grading: to level or smooth to a desired sl ope After Habitat Improvement During Habitat Improvement ty rland Coun ek, Cumbe Cre PFBC website: www.fishandboat.com Big Spring Pennsylvania Angler & Boater • January/February 2013 45