EBIO 1210 Lecture Notes - Lecture 40: Bathyal Zone, Thermocline, Aphotic Zone
25 Apr 2016
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Document Summary
Abiotic factors of the biosphere: climate: temp. , water (precipitation, humidity, salinity), light (duration, intensity) and wind, temperature and precipitation together correlate best with the present distribution of biomes (fig. 7 and 8: rocks and soil: ph, minerals, clay, organic material, periodic disturbances, global climate patterns: (fig. 3: solar radiation and latitude, seasons: tilt of the earth causes seasonal variations in temperature (fig. 2: highest productivity among terrestrial ecological communities, epiphytes and lianas (climbing woody vines) are numerous, soils tend to be very nutrient poor, savanna: tropical grasslands. 1. found in dry tropical and subtropical regions of africa, south america, and. Australia: characterized by vast expanses of grassland and scattered trees, periodic fires and grazing characteristic, thorn forests and savannas have similar climate, thorn forests are found on the equatorial sides of hot deserts. The dominant plants are spiny shrubs and small trees: hot desert found in two belts, centered around 30 n and 30 s latitudes.
