BIOL 2903 Lecture Notes - Lecture 16: Herring Gull, Abies Balsamea, River Ecosystem
15 Apr 2017
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Hawks are there red-tailed hawks, rough legged hawk (two color morphs), and bald eagles. Mallards, herring gulls, ring-billed gulls, and coyotes . Eastern coyotes (they commonly cross the ice in winter). Acid does not have an interaction with gneissic rock. Brent crater rock: when acid is poured on it, it effervescences (bubbles). Algonquin park is primarily composed of acidic rock (canadian shield rock) but one pocket has limestone, calciphilic rock. In the 1950s & 60s the diet of wolves consisted of 80% deer, 10% moose and 10% beaver. Deer were the main component of their diet. Currently each comprises 1/3 (33%) of their diet. The populations of these animals changed through time (deer were very common before but are now in decline). - gray wolves used to be in the. Park, the larger wolves would find the deer as easy prey (so they would avoid the park).
