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IndividualsTemwerature RelationsFIGURE4.4White and black sandsColor of the Ground122003.10.24
2003.10.24 12 Individuals Temperature Relations What is ecology Color of the Ground
IndividualsTemyerature RelationsWhite sand reflects allwavelengthsofvisiblelightColor of the Ground45°CThe same amount ofsolar energy heats upblack beaches morethan white beachesBlack sand absorbs allwavelengthsof visiblelight65°CFIGURE4.5Color of the ground and temperature (data from Hadley,13Savill, and Schultz1992)
2003.10.24 13 Individuals Temperature Relations What is ecology Color of the Ground
Temyerature RelationsThe seashore isopodSun heats exposedPresence of Boulders and Burrowsencounters substantiallysurfaces of rocks todifferenttemperaturestemperatures exceedingover distances of afewairtemperaturecentimeters5cm27°C26°℃Air20°℃34°C38°CShaded environmentsin crevices and understones are cooler thanonexposedrocks30°℃30°℃FIGURE4.6Microclimates understones (datafromEdney1953)
2003.10.24 14 Individuals Temperature Relations What is ecology Presence of Boulders and Burrows
IndiidualsTemwerature RelationsDaily variation inairAquatic environments generally1.5°-28°℃show less temperature variationthan do terrestrial environments28Air4Daily variation inan aquaticweedbed:7-20°℃2ShallowriffleDaily variation in6a shallowriffle9°-16°℃Aquaticreed bed12Daily variation inadeeppool:Deeppool10°-14℃FIGURE4.7Aquaticmicroclimates(data fromWard1985)Aquatic temperaturesback152003.10.24
2003.10.24 15 Individuals Temperature Relations What is ecology Aquatic temperatures back