Areas of disproportionately high biogeochemical activity or export relative to surrounding landscape
Morphological differences in the same species across different geographic regions
A gradual change in a trait across an environmental gradient, where width is expected to be proportional to dispersal distance divided by square root of difference in selection between ends of the cli...
Differences in chromosome copy number among individuals, specifically diploid (two copies) versus triploid (three copies) chromosome sets
When previously adaptive traits become maladaptive due to rapid environmental change, such that organisms are attracted to resources that reduce their fitness
Reduced fitness in inbred individuals compared to outbred individuals due to expression of deleterious recessive alleles