BIOL 2Q04 Lecture Notes - Lecture 14: Exponential Growth, Carrying Capacity, Intraspecific Competition

• School: Brock University
• Department: Biological Sciences
• Course: BIOL 2Q04
• Professor: Dorina surozcki

Document Summary

So, after 3 days, if water was not changed and the babies (cid:449)e(cid:396)e(cid:374)"t (cid:396)e(cid:373)o(cid:448)ed the(cid:374) afte(cid:396) Co(cid:373)(cid:373)u(cid:374)it(cid:455) st(cid:396)u(cid:272)tu(cid:396)e: populations, especially those that exhibit exponential growth, cannot continue to grow indefinitely. Interactions (cid:271)et(cid:449)ee(cid:374) the e(cid:374)(cid:448)i(cid:396)o(cid:374)(cid:373)e(cid:374)t a(cid:374)d a(cid:373)o(cid:374)g i(cid:374)di(cid:448)iduals (cid:396)egulate the populatio(cid:374)"s size: as population increase, competition among individuals increases = intraspecific competition same species sharing a limited resource. Interspecific competition different species sharing a limited resource. 02/11/2018: (cid:1006) p(cid:396)i(cid:373)a(cid:396)(cid:455) (cid:373)ea(cid:374)s of (cid:272)o(cid:373)petitio(cid:374) di(cid:396)e(cid:272)t o(cid:396) i(cid:374)di(cid:396)e(cid:272)t, resource (aka scramble or exploitation) competition individuals indirectly interact with one another but affect the availability of shared resources, a moose browsing on shrubs decreases food availability for herbivores. Individuals directly interact and prevent others from occupying a habitat or accessing resources within it. Lotka-volterra equations: for species 1, (cid:2869) =(cid:883)(cid:4672)(cid:2869) (cid:2869) n(cid:1006) (cid:4673) (cid:2869, by doing this = = k1-n1/n2: n1 = k1- n2 or, n2 = k2- n1 or, = k2-n2/n1.