Gradient in pine bark bug, Aradus cinnamomeus, densities with distance from the industrial complex (*) at Harjavalta, Finland. White circles = 0-0.50 bugs 100 cm-2, light brown circles = 0.51-1.75 bugs 100 cm-2, brown circles = 1.76-3.50 bugs 100 cm-2, and purple circles = 3.51-12.2 bugs 100 cm-2. From Heliovaara and Vaisanen (1986) by permission from Blackwell Wissenschafts-Verlag GmbH.

environmental conditions change. Two general types of spatial variation are represented by the expansion of growing populations and by the discontinuous pattern of fragmented populations, or metapopulations.

Oplan Termites

Oplan Termites

You Might Start Missing Your Termites After Kickin'em Out. After All, They Have Been Your Roommates For Quite A While. Enraged With How The Termites Have Eaten Up Your Antique Furniture? Can't Wait To Have Them Exterminated Completely From The Face Of The Earth? Fret Not. We Will Tell You How To Get Rid Of Them From Your House At Least. If Not From The Face The Earth.

Get My Free Ebook

Post a comment