Monday, January 10, 2011
Limiting Factors
A limiting factor is a factor that limits the ability for species to thrive. There are two types of limiting factors: density-dependent and density-independent. A density-dependent limiting factor is affected by the density of a population. In thick boreal forest, a density-dependent limiting factor can be light, which often won't reach the ground until a tree falls. Saplings will also have limited space to grow in this scenario.
A density-independent limiting factor is a factor which is unaffected by the size of a population. One such limiting factor througout taiga is temperature. Many species cannot survive the winters which taiga experiences. Cold temperatures will generally afftect small and large populations the same.Another density-independent limiting factor is a volcanic explosion. Plants and animals will be affected the same regardless of their population size.
65°41'6.55"N
150°57'29.18"W
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