VARIATION DRIVERS. “Individual variation in orb-web structure is well documented and arises for a variety of reasons. Individual spiders adjust web characteristics (e.g. thread spacing, top/bottom asymmetry and area) to suit local conditions. Important factors include the types of prey available, overall prey availability, nutritional status, weather conditions, spider size, age and development, silk supply, experience, the presence of predators and parasites and microhabitat structure.”
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